HAPI.h File Reference

#include "HAPI_API.h"
#include "HAPI_Common.h"
#include "HAPI_Helpers.h"

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Functions
HAPI_DECL	HAPI_CreateInProcessSession (HAPI_Session *session, const HAPI_SessionInfo *session_info)
	Creates a new in-process session. There can only be one such session per host process. More...
HAPI_DECL	HAPI_StartThriftSocketServer (const HAPI_ThriftServerOptions *options, int port, HAPI_ProcessId *process_id, const char *log_file)
	Starts a Thrift RPC server process on the local host serving clients on a TCP socket and waits for it to start serving. It is safe to create an RPC session on local host using the specified port after this call succeeds. More...
HAPI_DECL	HAPI_CreateThriftSocketSession (HAPI_Session *session, const char *host_name, int port, const HAPI_SessionInfo *session_info)
	Creates a Thrift RPC session using a TCP socket as transport. More...
HAPI_DECL	HAPI_StartThriftNamedPipeServer (const HAPI_ThriftServerOptions *options, const char *pipe_name, HAPI_ProcessId *process_id, const char *log_file)
	Starts a Thrift RPC server process on the local host serving clients on a Windows named pipe or a Unix domain socket and waits for it to start serving. It is safe to create an RPC session using the specified pipe or socket after this call succeeds. More...
HAPI_DECL	HAPI_CreateThriftNamedPipeSession (HAPI_Session *session, const char *pipe_name, const HAPI_SessionInfo *session_info)
	Creates a Thrift RPC session using a Windows named pipe or a Unix domain socket as transport. More...
HAPI_DECL	HAPI_StartThriftSharedMemoryServer (const HAPI_ThriftServerOptions *options, const char *shared_mem_name, HAPI_ProcessId *process_id, const char *log_file)
	Starts a Thrift RPC server process on the localhost serving clients by utilizing shared memory to transfer data between the client and server and waits for it to start serving. More...
HAPI_DECL	HAPI_CreateThriftSharedMemorySession (HAPI_Session *session, const char *shared_mem_name, const HAPI_SessionInfo *session_info)
	Creates a Thrift RPC session using a shared memory buffer as the transport mechanism. More...
HAPI_DECL	HAPI_BindCustomImplementation (HAPI_SessionType session_type, const char *dll_path)
	Binds a new implementation DLL to one of the custom session slots. More...
HAPI_DECL	HAPI_CreateCustomSession (HAPI_SessionType session_type, void *session_info, HAPI_Session *session)
	Creates a new session using a custom implementation. Note that the implementation DLL must already have been bound to the session via calling HAPI_BindCustomImplementation(). More...
HAPI_DECL	HAPI_IsSessionValid (const HAPI_Session *session)
	Checks whether the session identified by HAPI_Session::id is a valid session opened in the implementation identified by HAPI_Session::type. More...
HAPI_DECL	HAPI_CloseSession (const HAPI_Session *session)
	Closes a session. If the session has been established using RPC, then the RPC connection is closed. More...
HAPI_DECL	HAPI_IsInitialized (const HAPI_Session *session)
	Check whether the runtime has been initialized yet using HAPI_Initialize(). Function will return HAPI_RESULT_SUCCESS if the runtime has been initialized and HAPI_RESULT_NOT_INITIALIZED otherwise. More...
HAPI_DECL	HAPI_Initialize (const HAPI_Session *session, const HAPI_CookOptions *cook_options, HAPI_Bool use_cooking_thread, int cooking_thread_stack_size, const char *houdini_environment_files, const char *otl_search_path, const char *dso_search_path, const char *image_dso_search_path, const char *audio_dso_search_path)
	Create the asset manager, set up environment variables, and initialize the main Houdini scene. No license check is done during this step. Only when you try to load an asset library (OTL) do we actually check for licenses. More...
HAPI_DECL	HAPI_Cleanup (const HAPI_Session *session)
	Clean up memory. This will unload all assets and you will need to call HAPI_Initialize() again to be able to use any HAPI methods again. More...
HAPI_DECL	HAPI_Shutdown (const HAPI_Session *session)
	When using an in-process session, this method must be called in order for the host process to shutdown cleanly. This method should be called before HAPI_CloseSession(). More...
HAPI_DECL	HAPI_StartPerformanceMonitorProfile (const HAPI_Session *session, const char *title, int *profile_id)
	Start a Houdini Performance Monitor profile. A profile records time and memory statistics from events that occur in the Houdini session. A profile records node cooks for example; how long it takes to cook a node and how many times a node is cooked. Return HAPI_RESULT_INVALID_ARGUMENT if NULL is passed in for the profile_id parameter. More...
HAPI_DECL	HAPI_StopPerformanceMonitorProfile (const HAPI_Session *session, int profile_id, const char *file_path)
	Stop the Performance Monitor profile that matches the given profile id and save out the profile's statistics to the specified file path on disk. The profile is cleared from memory after its statistics are saved to disk. Return HAPI_RESULT_INVALID_ARGUMENT if no profile exists for the given id. Return HAPI_RESULT_FAILURE if the profile statistics could not be saved out to the specified file path. In this case, the profile is stopped but is not cleared from memory. You can call HAPI_StopPerformanceMonitorProfile to attempt saving the profile to disk again. More...
HAPI_DECL	HAPI_GetEnvInt (HAPI_EnvIntType int_type, int *value)
	Gives back a certain environment integers like version number. Note that you do not need a session for this. These constants are hard-coded in all HAPI implementations, including HARC and HAPIL. This should be the first API you call to determine if any future API calls will mismatch implementation. More...
HAPI_DECL	HAPI_GetSessionEnvInt (const HAPI_Session *session, HAPI_SessionEnvIntType int_type, int *value)
	Gives back a certain session-specific environment integers like current license type being used. More...
HAPI_DECL	HAPI_GetServerEnvInt (const HAPI_Session *session, const char *variable_name, int *value)
	Get environment variable from the server process as an integer. More...
HAPI_DECL	HAPI_GetServerEnvString (const HAPI_Session *session, const char *variable_name, HAPI_StringHandle *value)
	Get environment variable from the server process as a string. More...
HAPI_DECL	HAPI_GetServerEnvVarCount (const HAPI_Session *session, int *env_count)
	Provides the number of environment variables that are in the server environment's process. More...
HAPI_DECL	HAPI_GetServerEnvVarList (const HAPI_Session *session, HAPI_StringHandle *values_array, int start, int length)
	Provides a list of all of the environment variables in the server's process. More...
HAPI_DECL	HAPI_SetServerEnvInt (const HAPI_Session *session, const char *variable_name, int value)
	Set environment variable for the server process as an integer. More...
HAPI_DECL	HAPI_SetServerEnvString (const HAPI_Session *session, const char *variable_name, const char *value)
	Set environment variable for the server process as a string. More...
HAPI_DECL	HAPI_GetStatus (const HAPI_Session *session, HAPI_StatusType status_type, int *status)
	Gives back the status code for a specific status type. More...
HAPI_DECL	HAPI_GetStatusStringBufLength (const HAPI_Session *session, HAPI_StatusType status_type, HAPI_StatusVerbosity verbosity, int *buffer_length)
	Return length of string buffer storing status string message. More...
HAPI_DECL	HAPI_GetStatusString (const HAPI_Session *session, HAPI_StatusType status_type, char *string_value, int length)
	Return status string message. More...
HAPI_DECL	HAPI_ComposeNodeCookResult (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_StatusVerbosity verbosity, int *buffer_length)
	Compose the cook result string (errors and warnings) of a specific node. More...
HAPI_DECL	HAPI_GetComposedNodeCookResult (const HAPI_Session *session, char *string_value, int length)
	Return cook result string message on a single node. More...
HAPI_DECL	HAPI_GetNodeCookResultLength (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_StatusVerbosity verbosity, int *buffer_length)
	Gets the length of the cook result string (errors and warnings) of a specific node. More...
HAPI_DECL	HAPI_GetNodeCookResult (const HAPI_Session *session, char *string_value, int length)
	Return the cook result string that was composed during a call to HAPI_GetNodeCookResultLength(). More...
HAPI_DECL	HAPI_GetMessageNodeCount (const HAPI_Session *session, HAPI_NodeId node_id, int *count)
	Get the number of message nodes set in "Type Properties". More...
HAPI_DECL	HAPI_GetMessageNodeIds (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_NodeId *message_node_ids_array, int count)
	Get the ids of message nodes set in the "Type Properties". More...
HAPI_DECL	HAPI_CheckForSpecificErrors (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ErrorCodeBits errors_to_look_for, HAPI_ErrorCodeBits *errors_found)
	Recursively check for specific errors by error code on a node. More...
HAPI_DECL	HAPI_ClearConnectionError ()
	Clears the connection error. Should be used before starting or creating Thrift server. More...
HAPI_DECL	HAPI_GetConnectionErrorLength (int *buffer_length)
	Return the length of string buffer storing connection error message. More...
HAPI_DECL	HAPI_GetConnectionError (char *string_value, int length, HAPI_Bool clear)
	Return the connection error message. More...
HAPI_DECL	HAPI_GetCookingTotalCount (const HAPI_Session *session, int *count)
	Get total number of nodes that need to cook in the current session. More...
HAPI_DECL	HAPI_GetCookingCurrentCount (const HAPI_Session *session, int *count)
	Get current number of nodes that have already cooked in the current session. Note that this is a very crude approximation of the cooking progress - it may never make it to 100% or it might spend another hour at 100%. Use HAPI_GetStatusString to get a better idea of progress if this number gets stuck. More...
HAPI_DECL	HAPI_Interrupt (const HAPI_Session *session)
	Interrupt a cook or load operation. More...
HAPI_DECL	HAPI_ConvertTransform (const HAPI_Session *session, const HAPI_TransformEuler *transform_in, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, HAPI_TransformEuler *transform_out)
	Converts the transform described by a HAPI_TransformEuler struct into a different transform and rotation order. More...
HAPI_DECL	HAPI_ConvertMatrixToQuat (const HAPI_Session *session, const float *matrix, HAPI_RSTOrder rst_order, HAPI_Transform *transform_out)
	Converts a 4x4 matrix into its TRS form. More...
HAPI_DECL	HAPI_ConvertMatrixToEuler (const HAPI_Session *session, const float *matrix, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, HAPI_TransformEuler *transform_out)
	Converts a 4x4 matrix into its TRS form. More...
HAPI_DECL	HAPI_ConvertTransformQuatToMatrix (const HAPI_Session *session, const HAPI_Transform *transform, float *matrix)
	Converts HAPI_Transform into a 4x4 transform matrix. More...
HAPI_DECL	HAPI_ConvertTransformEulerToMatrix (const HAPI_Session *session, const HAPI_TransformEuler *transform, float *matrix)
	Converts HAPI_TransformEuler into a 4x4 transform matrix. More...
HAPI_DECL	HAPI_PythonThreadInterpreterLock (const HAPI_Session *session, HAPI_Bool locked)
	Acquires or releases the Python interpreter lock. This is needed if HAPI is called from Python and HAPI is in threaded mode (see HAPI_Initialize()). More...
HAPI_DECL	HAPI_GetStringBufLength (const HAPI_Session *session, HAPI_StringHandle string_handle, int *buffer_length)
	Gives back the string length of the string with the given handle. More...
HAPI_DECL	HAPI_GetString (const HAPI_Session *session, HAPI_StringHandle string_handle, char *string_value, int length)
	Gives back the string value of the string with the given handle. More...
HAPI_DECL	HAPI_SetCustomString (const HAPI_Session *session, const char *string_value, HAPI_StringHandle *handle_value)
	Adds the given string to the string table and returns the handle. It is the responsibility of the caller to manage access to the string. The intended use for custom strings is to allow structs that reference strings to be passed in to HAPI. More...
HAPI_DECL	HAPI_RemoveCustomString (const HAPI_Session *session, const HAPI_StringHandle string_handle)
	Removes the specified string from the server and invalidates the handle. More...
HAPI_DECL	HAPI_GetStringBatchSize (const HAPI_Session *session, const int *string_handle_array, int string_handle_count, int *string_buffer_size)
	Gives back the length of the buffer needed to hold all the values null-separated for the given string handles. Used with HAPI_GetStringBatch(). More...
HAPI_DECL	HAPI_GetStringBatch (const HAPI_Session *session, char *char_buffer, int char_array_length)
	Gives back the values of the given string handles. The given char array is filled with null-separated values, and the final value is null-terminated. Used with HAPI_GetStringBatchSize(). Using this function instead of repeated calls to HAPI_GetString() can be more more efficient for a large number of strings. More...
HAPI_DECL	HAPI_GetTime (const HAPI_Session *session, float *time)
	Gets the global time of the scene. All API calls deal with this time to cook. More...
HAPI_DECL	HAPI_SetTime (const HAPI_Session *session, float time)
	Sets the global time of the scene. All API calls will deal with this time to cook. More...
HAPI_DECL	HAPI_GetUseHoudiniTime (const HAPI_Session *session, HAPI_Bool *enabled)
	Returns whether the Houdini session will use the current time in Houdini when cooking and retrieving data. By default this is disabled and the Houdini session uses time 0 (i.e. frame 1). In SessionSync, it is enabled by default, but can be overridden. Note that this function will ALWAYS return HAPI_RESULT_SUCCESS. More...
HAPI_DECL	HAPI_SetUseHoudiniTime (const HAPI_Session *session, HAPI_Bool enabled)
	Sets whether the Houdini session should use the current time in Houdini when cooking and retrieving data. By default this is disabled and the Houdini session uses time 0 (i.e. frame 1). In SessionSync, it is enabled by default, but can be overridden. Note that this function will ALWAYS return HAPI_RESULT_SUCCESS. More...
HAPI_DECL	HAPI_GetTimelineOptions (const HAPI_Session *session, HAPI_TimelineOptions *timeline_options)
	Gets the current global timeline options. More...
HAPI_DECL	HAPI_SetTimelineOptions (const HAPI_Session *session, const HAPI_TimelineOptions *timeline_options)
	Sets the global timeline options. More...
HAPI_DECL	HAPI_GetCompositorOptions (const HAPI_Session *session, HAPI_CompositorOptions *compositor_options)
	Gets the global compositor options. More...
HAPI_DECL	HAPI_SetCompositorOptions (const HAPI_Session *session, const HAPI_CompositorOptions *compositor_options)
	Sets the global compositor options. More...
HAPI_DECL	HAPI_LoadAssetLibraryFromFile (const HAPI_Session *session, const char *file_path, HAPI_Bool allow_overwrite, HAPI_AssetLibraryId *library_id)
	Loads a Houdini asset library (OTL) from a .otl file. It does NOT create anything inside the Houdini scene. More...
HAPI_DECL	HAPI_LoadAssetLibraryFromMemory (const HAPI_Session *session, const char *library_buffer, int library_buffer_length, HAPI_Bool allow_overwrite, HAPI_AssetLibraryId *library_id)
	Loads a Houdini asset library (OTL) from memory. It does NOT create anything inside the Houdini scene. More...
HAPI_DECL	HAPI_GetAvailableAssetCount (const HAPI_Session *session, HAPI_AssetLibraryId library_id, int *asset_count)
	Get the number of assets contained in an asset library. You should call HAPI_LoadAssetLibraryFromFile() prior to get a library_id. More...
HAPI_DECL	HAPI_GetAvailableAssets (const HAPI_Session *session, HAPI_AssetLibraryId library_id, HAPI_StringHandle *asset_names_array, int asset_count)
	Get the names of the assets contained in an asset library. More...
HAPI_DECL	HAPI_GetAssetInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_AssetInfo *asset_info)
	Fill an asset_info struct from a node. More...
HAPI_DECL	HAPI_GetAssetDefinitionParmCounts (const HAPI_Session *session, HAPI_AssetLibraryId library_id, const char *asset_name, int *parm_count, int *int_value_count, int *float_value_count, int *string_value_count, int *choice_value_count)
	Get the number of asset parameters contained in an asset library, as well as the number of parameter int, float, string, and choice values. More...
HAPI_DECL	HAPI_GetAssetDefinitionParmInfos (const HAPI_Session *session, HAPI_AssetLibraryId library_id, const char *asset_name, HAPI_ParmInfo *parm_infos_array, int start, int length)
	Fill an array of HAPI_ParmInfo structs with parameter information for the specified asset in the specified asset library. More...
HAPI_DECL	HAPI_GetAssetDefinitionParmValues (const HAPI_Session *session, HAPI_AssetLibraryId library_id, const char *asset_name, int *int_values_array, int int_start, int int_length, float *float_values_array, int float_start, int float_length, HAPI_Bool string_evaluate, HAPI_StringHandle *string_values_array, int string_start, int string_length, HAPI_ParmChoiceInfo *choice_values_array, int choice_start, int choice_length)
	Fill arrays of parameter int values, float values, string values, and choice values for parameters in the specified asset in the specified asset library. More...
HAPI_DECL	HAPI_GetAssetDefinitionParmTagName (const HAPI_Session *session, HAPI_AssetLibraryId library_id, const char *asset_name, HAPI_ParmId parm_id, int tag_index, HAPI_StringHandle *tag_name)
HAPI_DECL	HAPI_GetAssetDefinitionParmTagValue (const HAPI_Session *session, HAPI_AssetLibraryId library_id, const char *asset_name, HAPI_ParmId parm_id, const char *tag_name, HAPI_StringHandle *tag_value)
HAPI_DECL	HAPI_GetLoadedAssetLibraryCount (const HAPI_Session *session, int *count)
	Gets the number of HDAs that have been loaded by Houdini. More...
HAPI_DECL	HAPI_GetAssetLibraryIds (const HAPI_Session *session, HAPI_AssetLibraryId *asset_library_ids_array, int start, int length)
	Gets the HAPI_AssetLibraryId's for HDAs that are loaded in Houdini. More...
HAPI_DECL	HAPI_GetAssetLibraryFilePath (const HAPI_Session *session, HAPI_AssetLibraryId asset_library_id, HAPI_StringHandle *file_path_sh)
	Gets the HAPI_StringHandle for the file path of a loaded asset library. More...
HAPI_DECL	HAPI_LoadHIPFile (const HAPI_Session *session, const char *file_name, HAPI_Bool cook_on_load)
	Loads a .hip file into the main Houdini scene. More...
HAPI_DECL	HAPI_MergeHIPFile (const HAPI_Session *session, const char *file_name, HAPI_Bool cook_on_load, HAPI_HIPFileId *file_id)
	Loads a .hip file into the main Houdini scene. More...
HAPI_DECL	HAPI_SaveHIPFile (const HAPI_Session *session, const char *file_path, HAPI_Bool lock_nodes)
	Saves a .hip file of the current Houdini scene. More...
HAPI_DECL	HAPI_GetHIPFileNodeCount (const HAPI_Session *session, HAPI_HIPFileId id, int *count)
	Gets the number of nodes that were created as a result of loading a .hip file. More...
HAPI_DECL	HAPI_GetHIPFileNodeIds (const HAPI_Session *session, HAPI_HIPFileId id, HAPI_NodeId *node_ids, int length)
	Fills an array of HAPI_NodeId of nodes that were created as a result of loading the HIP file specified by the HAPI_HIPFileId. More...
HAPI_DECL	HAPI_IsNodeValid (const HAPI_Session *session, HAPI_NodeId node_id, int unique_node_id, HAPI_Bool *answer)
	Determine if your instance of the node actually still exists inside the Houdini scene. This is what can be used to determine when the Houdini scene needs to be re-populated using the host application's instances of the nodes. Note that this function will ALWAYS return HAPI_RESULT_SUCCESS. More...
HAPI_DECL	HAPI_GetNodeInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_NodeInfo *node_info)
	Fill an HAPI_NodeInfo struct. More...
HAPI_DECL	HAPI_GetNodePath (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_NodeId relative_to_node_id, HAPI_StringHandle *path)
	Get the node absolute path in the Houdini node network or a relative path any other node. More...
HAPI_DECL	HAPI_GetManagerNodeId (const HAPI_Session *session, HAPI_NodeType node_type, HAPI_NodeId *node_id)
	Get the root node of a particular network type (ie. OBJ). More...
HAPI_DECL	HAPI_ComposeChildNodeList (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_NodeTypeBits node_type_filter, HAPI_NodeFlagsBits node_flags_filter, HAPI_Bool recursive, int *count)
	Compose a list of child nodes based on given filters. More...
HAPI_DECL	HAPI_GetComposedChildNodeList (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_NodeId *child_node_ids_array, int count)
	Get the composed list of child node ids from the previous call to HAPI_ComposeChildNodeList(). More...
HAPI_DECL	HAPI_CreateNode (const HAPI_Session *session, HAPI_NodeId parent_node_id, const char *operator_name, const char *node_label, HAPI_Bool cook_on_creation, HAPI_NodeId *new_node_id)
	Create a node inside a node network. Nodes created this way will have their HAPI_NodeInfo::createdPostAssetLoad set to true. More...
HAPI_DECL	HAPI_CreateInputNode (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_NodeId *node_id, const char *name)
	Creates a simple geometry SOP node that can accept geometry input. Inside the specified parent node, this will create a Null SOP you can set the geometry of using the geometry SET APIs. You can then connect this node to any other node as a geometry input. More...
HAPI_DECL	HAPI_CreateInputCurveNode (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_NodeId *node_id, const char *name)
	Helper for creating specifically creating a curve input geometry SOP. Inside the specified parent node, this will create a Null SOP that contains the the HAPI_ATTRIB_INPUT_CURVE_COORDS attribute. It will setup the node as a curve part with no points. In addition to creating the input node, it will also commit and cook the geometry. More...
HAPI_DECL	HAPI_CreateHeightFieldInput (const HAPI_Session *session, HAPI_NodeId parent_node_id, const char *name, int xsize, int ysize, float voxelsize, HAPI_HeightFieldSampling sampling, HAPI_NodeId *heightfield_node_id, HAPI_NodeId *height_node_id, HAPI_NodeId *mask_node_id, HAPI_NodeId *merge_node_id)
	Creates the required node hierarchy needed for heightfield inputs. More...
HAPI_DECL	HAPI_CreateHeightfieldInputVolumeNode (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_NodeId *new_node_id, const char *name, int xsize, int ysize, float voxelsize)
	Creates a volume input node that can be used with Heightfields. More...
HAPI_DECL	HAPI_CookNode (const HAPI_Session *session, HAPI_NodeId node_id, const HAPI_CookOptions *cook_options)
	Initiate a cook on this node. Note that this may trigger cooks on other nodes if they are connected. More...
HAPI_DECL	HAPI_DeleteNode (const HAPI_Session *session, HAPI_NodeId node_id)
	Delete a node from a node network. Only nodes with their HAPI_NodeInfo::createdPostAssetLoad set to true can be deleted this way. More...
HAPI_DECL	HAPI_RenameNode (const HAPI_Session *session, HAPI_NodeId node_id, const char *new_name)
	Rename a node that you created. Only nodes with their HAPI_NodeInfo::createdPostAssetLoad set to true can be renamed this way. More...
HAPI_DECL	HAPI_ConnectNodeInput (const HAPI_Session *session, HAPI_NodeId node_id, int input_index, HAPI_NodeId node_id_to_connect, int output_index)
	Connect two nodes together. More...
HAPI_DECL	HAPI_DisconnectNodeInput (const HAPI_Session *session, HAPI_NodeId node_id, int input_index)
	Disconnect a node input. More...
HAPI_DECL	HAPI_QueryNodeInput (const HAPI_Session *session, HAPI_NodeId node_to_query, int input_index, HAPI_NodeId *connected_node_id)
	Query which node is connected to another node's input. More...
HAPI_DECL	HAPI_GetNodeInputName (const HAPI_Session *session, HAPI_NodeId node_id, int input_idx, HAPI_StringHandle *name)
	Get the name of an node's input. This function will return a string handle for the name which will be valid (persist) until the next call to this function. More...
HAPI_DECL	HAPI_DisconnectNodeOutputsAt (const HAPI_Session *session, HAPI_NodeId node_id, int output_index)
	Disconnect all of the node's output connections at the output index. More...
HAPI_DECL	HAPI_QueryNodeOutputConnectedCount (const HAPI_Session *session, HAPI_NodeId node_id, int output_idx, HAPI_Bool into_subnets, HAPI_Bool through_dots, int *connected_count)
	Get the number of nodes currently connected to the given node at the output index. More...
HAPI_DECL	HAPI_QueryNodeOutputConnectedNodes (const HAPI_Session *session, HAPI_NodeId node_id, int output_idx, HAPI_Bool into_subnets, HAPI_Bool through_dots, HAPI_NodeId *connected_node_ids_array, int start, int length)
	Get the ids of nodes currently connected to the given node at the output index. More...
HAPI_DECL	HAPI_GetNodeOutputName (const HAPI_Session *session, HAPI_NodeId node_id, int output_idx, HAPI_StringHandle *name)
	Get the name of an node's output. This function will return a string handle for the name which will be valid (persist) until the next call to this function. More...
HAPI_DECL	HAPI_GetNodeFromPath (const HAPI_Session *session, const HAPI_NodeId parent_node_id, const char *path, HAPI_NodeId *node_id)
	Get the id of the node with the specified path. More...
HAPI_DECL	HAPI_GetOutputNodeId (const HAPI_Session *session, HAPI_NodeId node_id, int output, HAPI_NodeId *output_node_id)
	Gets the node id of an output node in a SOP network. More...
HAPI_DECL	HAPI_GetParameters (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmInfo *parm_infos_array, int start, int length)
	Fill an array of HAPI_ParmInfo structs with parameter information from the asset instance node. More...
HAPI_DECL	HAPI_GetParmInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, HAPI_ParmInfo *parm_info)
	Get the parm info of a parameter by parm id. More...
HAPI_DECL	HAPI_GetParmIdFromName (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, HAPI_ParmId *parm_id)
	All parameter APIs require a HAPI_ParmId but if you know the parameter you wish to operate on by name than you can use this function to get its HAPI_ParmId. If the parameter with the given name is not found the parameter id returned will be -1. More...
HAPI_DECL	HAPI_GetParmInfoFromName (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, HAPI_ParmInfo *parm_info)
	Get the parm info of a parameter by name. More...
HAPI_DECL	HAPI_GetParmTagName (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, int tag_index, HAPI_StringHandle *tag_name)
	Get the tag name on a parameter given an index. More...
HAPI_DECL	HAPI_GetParmTagValue (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, const char *tag_name, HAPI_StringHandle *tag_value)
	Get the tag value on a parameter given the tag name. More...
HAPI_DECL	HAPI_ParmHasTag (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, const char *tag_name, HAPI_Bool *has_tag)
	See if a parameter has a specific tag. More...
HAPI_DECL	HAPI_ParmHasExpression (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, HAPI_Bool *has_expression)
	See if a parameter has an expression. More...
HAPI_DECL	HAPI_GetParmWithTag (const HAPI_Session *session, HAPI_NodeId node_id, const char *tag_name, HAPI_ParmId *parm_id)
	Get the first parm with a specific, ideally unique, tag on it. This is particularly useful for getting the ogl parameters on a material node. More...
HAPI_DECL	HAPI_GetParmExpression (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, HAPI_StringHandle *value)
	Get single integer or float parm expression by name or Null string if no expression is present. More...
HAPI_DECL	HAPI_RevertParmToDefault (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index)
	Revert single parm by name to default. More...
HAPI_DECL	HAPI_RevertParmToDefaults (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name)
	Revert all instances of the parm by name to defaults. More...
HAPI_DECL	HAPI_SetParmExpression (const HAPI_Session *session, HAPI_NodeId node_id, const char *value, HAPI_ParmId parm_id, int index)
	Set (push) an expression string. We can only set a single value at a time because we want to avoid fixed size string buffers. More...
HAPI_DECL	HAPI_RemoveParmExpression (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, int index)
	Remove the expression string, leaving the value of the parm at the current value of the expression. More...
HAPI_DECL	HAPI_GetParmIntValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, int *value)
	Get single parm int value by name. More...
HAPI_DECL	HAPI_GetParmIntValues (const HAPI_Session *session, HAPI_NodeId node_id, int *values_array, int start, int length)
	Fill an array of parameter int values. This is more efficient than calling HAPI_GetParmIntValue() individually for each parameter value. More...
HAPI_DECL	HAPI_GetParmFloatValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, float *value)
	Get single parm float value by name. More...
HAPI_DECL	HAPI_GetParmFloatValues (const HAPI_Session *session, HAPI_NodeId node_id, float *values_array, int start, int length)
	Fill an array of parameter float values. This is more efficient than calling HAPI_GetParmFloatValue() individually for each parameter value. More...
HAPI_DECL	HAPI_GetParmStringValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, HAPI_Bool evaluate, HAPI_StringHandle *value)
	Get single parm string value by name. More...
HAPI_DECL	HAPI_GetParmStringValues (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_Bool evaluate, HAPI_StringHandle *values_array, int start, int length)
	Fill an array of parameter string handles. These handles must be used in conjunction with HAPI_GetString() to get the actual string values. This is more efficient than calling HAPI_GetParmStringValue() individually for each parameter value. More...
HAPI_DECL	HAPI_GetParmNodeValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, HAPI_NodeId *value)
	Get a single node id parm value of an Op Path parameter. This is how you see which node is connected as an input for the current node (via parameter). More...
HAPI_DECL	HAPI_GetParmFile (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, const char *destination_directory, const char *destination_file_name)
	Extract a file specified by path on a parameter. This will copy the file to the destination directory from wherever it might be, inlcuding inside the asset definition or online. More...
HAPI_DECL	HAPI_GetParmChoiceLists (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmChoiceInfo *parm_choices_array, int start, int length)
	Fill an array of HAPI_ParmChoiceInfo structs with parameter choice list information from the asset instance node. More...
HAPI_DECL	HAPI_SetParmIntValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, int value)
	Set single parm int value by name. More...
HAPI_DECL	HAPI_SetParmIntValues (const HAPI_Session *session, HAPI_NodeId node_id, const int *values_array, int start, int length)
	Set (push) an array of parameter int values. More...
HAPI_DECL	HAPI_SetParmFloatValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, int index, float value)
	Set single parm float value by name. More...
HAPI_DECL	HAPI_SetParmFloatValues (const HAPI_Session *session, HAPI_NodeId node_id, const float *values_array, int start, int length)
	Set (push) an array of parameter float values. More...
HAPI_DECL	HAPI_SetParmStringValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *value, HAPI_ParmId parm_id, int index)
	Set (push) a string value. We can only set a single value at a time because we want to avoid fixed size string buffers. More...
HAPI_DECL	HAPI_SetParmNodeValue (const HAPI_Session *session, HAPI_NodeId node_id, const char *parm_name, HAPI_NodeId value)
	Set a node id parm value of an Op Path parameter. For example, This is how you connect the geometry output of an asset to the geometry input of another asset - whether the input is a parameter or a node input (the top of the node). Node inputs get converted top parameters in HAPI. More...
HAPI_DECL	HAPI_InsertMultiparmInstance (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, int instance_position)
	Insert an instance of a multiparm before instance_position. More...
HAPI_DECL	HAPI_RemoveMultiparmInstance (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, int instance_position)
	Remove the instance of a multiparm given by instance_position. More...
HAPI_DECL	HAPI_GetHandleInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_HandleInfo *handle_infos_array, int start, int length)
	Fill an array of HAPI_HandleInfo structs with information about every exposed user manipulation handle on the node. More...
HAPI_DECL	HAPI_GetHandleBindingInfo (const HAPI_Session *session, HAPI_NodeId node_id, int handle_index, HAPI_HandleBindingInfo *handle_binding_infos_array, int start, int length)
	Fill an array of HAPI_HandleBindingInfo structs with information about the binding of a particular handle on the given node. More...
HAPI_DECL	HAPI_GetPresetBufLength (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PresetType preset_type, const char *preset_name, int *buffer_length)
	Generate a preset blob of the current state of all the parameter values, cache it, and return its size in bytes. More...
HAPI_DECL	HAPI_GetPreset (const HAPI_Session *session, HAPI_NodeId node_id, char *buffer, int buffer_length)
	Generates a preset for the given asset. More...
HAPI_DECL	HAPI_SetPreset (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PresetType preset_type, const char *preset_name, const char *buffer, int buffer_length)
	Sets a particular asset to a given preset. More...
HAPI_DECL	HAPI_GetPresetCount (const HAPI_Session *session, const char *buffer, int buffer_length, int *count)
	Gets the number of presets in an IDX file. When this method is called, the names of the presets are stored in a single internal buffer from which they can be retrieved by calling HAPI_GetPresetNames(). More...
HAPI_DECL	HAPI_GetPresetNames (const HAPI_Session *session, const char *buffer, int buffer_length, HAPI_StringHandle *preset_names_array, int preset_names_count)
	Gets the names of presets in an IDX file. HAPI_GetPresetCount() must be called before calling this method. See the HAPI_GetPresetCount() documentation for more information. More...
HAPI_DECL	HAPI_GetObjectInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ObjectInfo *object_info)
	Get the object info on an OBJ node. More...
HAPI_DECL	HAPI_GetObjectTransform (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_NodeId relative_to_node_id, HAPI_RSTOrder rst_order, HAPI_Transform *transform)
	Get the tranform of an OBJ node. More...
HAPI_DECL	HAPI_ComposeObjectList (const HAPI_Session *session, HAPI_NodeId parent_node_id, const char *categories, int *object_count)
	Compose a list of child object nodes given a parent node id. More...
HAPI_DECL	HAPI_GetComposedObjectList (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_ObjectInfo *object_infos_array, int start, int length)
	Fill an array of HAPI_ObjectInfo structs. More...
HAPI_DECL	HAPI_GetComposedObjectTransforms (const HAPI_Session *session, HAPI_NodeId parent_node_id, HAPI_RSTOrder rst_order, HAPI_Transform *transform_array, int start, int length)
	Fill an array of HAPI_Transform structs. More...
HAPI_DECL	HAPI_GetInstancedObjectIds (const HAPI_Session *session, HAPI_NodeId object_node_id, HAPI_NodeId *instanced_node_id_array, int start, int length)
	Get the node ids for the objects being instanced by an Instance OBJ node. More...
HAPI_DECL	HAPI_GetInstanceTransformsOnPart (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_RSTOrder rst_order, HAPI_Transform *transforms_array, int start, int length)
	Fill an array of HAPI_Transform structs with the transforms of each instance of this instancer object for a given part. More...
HAPI_DECL	HAPI_SetObjectTransform (const HAPI_Session *session, HAPI_NodeId node_id, const HAPI_TransformEuler *trans)
	Set the transform of an individual object. Note that the object nodes have to either be editable or have their transform parameters exposed at the asset level. This won't work otherwise. More...
HAPI_DECL	HAPI_GetDisplayGeoInfo (const HAPI_Session *session, HAPI_NodeId object_node_id, HAPI_GeoInfo *geo_info)
	Get the display geo (SOP) node inside an Object node. If there there are multiple display SOP nodes, only the first one is returned. If the node is a display SOP itself, even if a network, it will return its own geo info. If the node is a SOP but not a network and not the display SOP, this function will fail. More...
HAPI_DECL	HAPI_GetOutputGeoCount (const HAPI_Session *session, HAPI_NodeId node_id, int *count)
	A helper method that gets the number of main geometry outputs inside an Object node or SOP node. If the node is an Object node, this method will return the cumulative number of geometry outputs for all geometry nodes that it contains. When searching for output geometry, this method will only consider subnetworks that have their display flag enabled. More...
HAPI_DECL	HAPI_GetOutputGeoInfos (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_GeoInfo *geo_infos_array, int count)
	Gets the geometry info structs (HAPI_GeoInfo) for a node's main geometry outputs. This method can only be called after HAPI_GetOutputGeoCount() has been called with the same node id. More...
HAPI_DECL	HAPI_GetGeoInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_GeoInfo *geo_info)
	Get the geometry info struct (HAPI_GeoInfo) on a SOP node. More...
HAPI_DECL	HAPI_GetPartInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_PartInfo *part_info)
	Get a particular part info struct. More...
HAPI_DECL	HAPI_GetEdgeCountOfEdgeGroup (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *group_name, int *edge_count)
	Gets the number of edges that belong to an edge group on a geometry part. More...
HAPI_DECL	HAPI_GetFaceCounts (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int *face_counts_array, int start, int length)
	Get the array of faces where the nth integer in the array is the number of vertices the nth face has. More...
HAPI_DECL	HAPI_GetVertexList (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int *vertex_list_array, int start, int length)
	Get array containing the vertex-point associations where the ith element in the array is the point index the ith vertex associates with. More...
HAPI_DECL	HAPI_GetAttributeInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeOwner owner, HAPI_AttributeInfo *attr_info)
	Get the attribute info struct for the attribute specified by name. More...
HAPI_DECL	HAPI_GetAttributeNames (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_AttributeOwner owner, HAPI_StringHandle *attribute_names_array, int count)
	Get list of attribute names by attribute owner. Note that the name string handles are only valid until the next time this function is called. More...
HAPI_DECL	HAPI_GetAttributeIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, int *data_array, int start, int length)
	Get attribute integer data. More...
HAPI_DECL	HAPI_GetAttributeIntArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute integer data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeUInt8Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_UInt8 *data_array, int start, int length)
	Get attribute unsigned 8-bit integer data. More...
HAPI_DECL	HAPI_GetAttributeUInt8ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_UInt8 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute unsigned 8-bit integer data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt8Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int8 *data_array, int start, int length)
	Get attribute 8-bit integer data. More...
HAPI_DECL	HAPI_GetAttributeInt8ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_Int8 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute 8-bit integer data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt16Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int16 *data_array, int start, int length)
	Get attribute 16-bit integer data. More...
HAPI_DECL	HAPI_GetAttributeInt16ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_Int16 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute 16-bit integer data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt64Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int64 *data_array, int start, int length)
	Get attribute 64-bit integer data. More...
HAPI_DECL	HAPI_GetAttributeInt64ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_Int64 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute 64-bit integer data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, float *data_array, int start, int length)
	Get attribute float data. More...
HAPI_DECL	HAPI_GetAttributeFloatArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, float *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute float data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeFloat64Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, double *data_array, int start, int length)
	Get 64-bit attribute float data. More...
HAPI_DECL	HAPI_GetAttributeFloat64ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, double *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute 64-bit float data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeStringData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_array, int start, int length)
	Get attribute string data. Note that the string handles returned are only valid until the next time this function is called. More...
HAPI_DECL	HAPI_GetAttributeStringArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute string data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. Note that the string handles returned are only valid until the next time this function is called. More...
HAPI_DECL	HAPI_GetAttributeDictionaryData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_array, int start, int length)
	Get attribute dictionary data. More...
HAPI_DECL	HAPI_GetAttributeDictionaryArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length)
	Get array attribute dictionary data. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeIntDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, int *data_array, int start, int length, int *job_id)
	Get attribute integer data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeUInt8DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_UInt8 *data_array, int start, int length, int *job_id)
	Get attribute unsigned 8-bit integer data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeInt8DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int8 *data_array, int start, int length, int *job_id)
	Get attribute 8-bit integer data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeInt16DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int16 *data_array, int start, int length, int *job_id)
	Get attribute 16-bit integer data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeInt64DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, HAPI_Int64 *data_array, int start, int length, int *job_id)
	Get attribute 64-bit integer data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeFloatDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, float *data_array, int start, int length, int *job_id)
	Get attribute float data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeFloat64DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, int stride, double *data_array, int start, int length, int *job_id)
	Get attribute 64-bit float data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeStringDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_array, int start, int length, int *job_id)
	Get attribute string data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeDictionaryDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_array, int start, int length, int *job_id)
	Get attribute dictionary data asynchronously. More...
HAPI_DECL	HAPI_GetAttributeIntArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, int *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute integer data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeUInt8ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_UInt8 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute unsigned 8-bit integer data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt8ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_Int8 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute 8-bit integer data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt16ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_Int16 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute 16-bit integer data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeInt64ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_Int64 *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute 64-bit integer data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeFloatArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, float *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute float data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeFloat64ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, double *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute 64-bit float data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeStringArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute string data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetAttributeDictionaryArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *attr_name, HAPI_AttributeInfo *attr_info, HAPI_StringHandle *data_fixed_array, int data_fixed_length, int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Get array attribute dictionary data asynchronously. Each entry in an array attribute can have varying array lengths. Therefore the array values are returned as a flat array, with another sizes array containing the lengths of each array entry. More...
HAPI_DECL	HAPI_GetJobStatus (const HAPI_Session *session, int job_id, HAPI_JobStatus *job_status)
	Get status of a job. More...
HAPI_DECL	HAPI_GetGroupNames (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_GroupType group_type, HAPI_StringHandle *group_names_array, int group_count)
	Get group names for an entire geo. Please note that this function is NOT per-part, but it is per-geo. The companion function HAPI_GetGroupMembership() IS per-part. Also keep in mind that the name string handles are only valid until the next time this function is called. More...
HAPI_DECL	HAPI_GetGroupMembership (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, const char *group_name, HAPI_Bool *membership_array_all_equal, int *membership_array, int start, int length)
	Get group membership. More...
HAPI_DECL	HAPI_GetGroupCountOnPackedInstancePart (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int *pointGroupCount, int *primitiveGroupCount)
	Get group counts for a specific packed instanced part. More...
HAPI_DECL	HAPI_GetGroupNamesOnPackedInstancePart (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, HAPI_StringHandle *group_names_array, int group_count)
	Get the group names for a packed instance part This functions allows you to get the group name for a specific packed primitive part. Keep in mind that the name string handles are only valid until the next time this function is called. More...
HAPI_DECL	HAPI_GetGroupMembershipOnPackedInstancePart (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, const char *group_name, HAPI_Bool *membership_array_all_equal, int *membership_array, int start, int length)
	Get group membership for a packed instance part This functions allows you to get the group membership for a specific packed primitive part. More...
HAPI_DECL	HAPI_GetInstancedPartIds (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_PartId *instanced_parts_array, int start, int length)
	Get the part ids that this instancer part is instancing. More...
HAPI_DECL	HAPI_GetInstancerPartTransforms (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_RSTOrder rst_order, HAPI_Transform *transforms_array, int start, int length)
	Get the instancer part's list of transforms on which to instance the instanced parts you got from HAPI_GetInstancedPartIds(). More...
HAPI_DECL	HAPI_SetPartInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_PartInfo *part_info)
	Set the main part info struct (HAPI_PartInfo). More...
HAPI_DECL	HAPI_SetFaceCounts (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const int *face_counts_array, int start, int length)
	Set the array of faces where the nth integer in the array is the number of vertices the nth face has. More...
HAPI_DECL	HAPI_SetVertexList (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const int *vertex_list_array, int start, int length)
	Set array containing the vertex-point associations where the ith element in the array is the point index the ith vertex associates with. More...
HAPI_DECL	HAPI_AddAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info)
	Add an attribute. More...
HAPI_DECL	HAPI_DeleteAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info)
	Delete an attribute from an input geo. More...
HAPI_DECL	HAPI_SetAttributeIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_array, int start, int length)
	Set attribute integer data. More...
HAPI_DECL	HAPI_SetAttributeUInt8Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_array, int start, int length)
	Set unsigned 8-bit attribute integer data. More...
HAPI_DECL	HAPI_SetAttributeInt8Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_array, int start, int length)
	Set 8-bit attribute integer data. More...
HAPI_DECL	HAPI_SetAttributeInt16Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_array, int start, int length)
	Set 16-bit attribute integer data. More...
HAPI_DECL	HAPI_SetAttributeInt64Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_array, int start, int length)
	Set 64-bit attribute integer data. More...
HAPI_DECL	HAPI_SetAttributeFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_array, int start, int length)
	Set attribute float data. More...
HAPI_DECL	HAPI_SetAttributeFloat64Data (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_array, int start, int length)
	Set 64-bit attribute float data. More...
HAPI_DECL	HAPI_SetAttributeStringData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_array, int start, int length)
	Set attribute string data. More...
HAPI_DECL	HAPI_SetAttributeIndexedStringData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **string_array, int string_count, const int *indices_array, int indices_start, int indices_length)
	Set attribute string data by index. More...
HAPI_DECL	HAPI_SetAttributeStringUniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute string data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeIntUniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute int data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeUInt8UniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute unsigned 8-bit int data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeInt8UniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute 8-bit int data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeInt16UniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute 16-bit int data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeInt64UniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute 64-bit int data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeFloatUniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute float data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeFloat64UniqueData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_array, int data_length, int start_index, int num_indices)
	Set multiple attribute 64-bit float data to the same unique value. More...
HAPI_DECL	HAPI_SetAttributeDictionaryData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_array, int start, int length)
	Set attribute dictionary data. The dictionary data should be provided as JSON-encoded strings. More...
HAPI_DECL	HAPI_SetAttributeIntArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set integer array attribute data. More...
HAPI_DECL	HAPI_SetAttributeUInt8ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set unsigned 8-bit integer array attribute data. More...
HAPI_DECL	HAPI_SetAttributeInt8ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set 8-bit integer array attribute data. More...
HAPI_DECL	HAPI_SetAttributeInt16ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set 16-bit integer array attribute data. More...
HAPI_DECL	HAPI_SetAttributeInt64ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set 64-bit integer array attribute data. More...
HAPI_DECL	HAPI_SetAttributeFloatArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set float array attribute data. More...
HAPI_DECL	HAPI_SetAttributeFloat64ArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set 64-bit float array attribute data. More...
HAPI_DECL	HAPI_SetAttributeStringArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set string array attribute data. More...
HAPI_DECL	HAPI_SetAttributeDictionaryArrayData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length)
	Set attribute dictionary array data. The dictionary data should be provided as JSON-encoded strings. More...
HAPI_DECL	HAPI_SetAttributeIntDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_array, int start, int length, int *job_id)
	Set attribute integer data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeUInt8DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_array, int start, int length, int *job_id)
	Set unsigned 8-bit attribute integer data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt8DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_array, int start, int length, int *job_id)
	Set 8-bit attribute integer data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt16DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_array, int start, int length, int *job_id)
	Set 16-bit attribute integer data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt64DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_array, int start, int length, int *job_id)
	Set 64-bit attribute integer data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloatDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_array, int start, int length, int *job_id)
	Set attribute float data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloat64DataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_array, int start, int length, int *job_id)
	Set 64-bit attribute float data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeStringDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_array, int start, int length, int *job_id)
	Set attribute string data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeIndexedStringDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **string_array, int string_count, const int *indices_array, int indices_start, int indices_length, int *job_id)
	Set attribute string data by index asynchronously. More...
HAPI_DECL	HAPI_SetAttributeStringUniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute string data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeIntUniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute int data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeUInt8UniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute unsigned 8-bit int data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt8UniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute 8-bit int data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt16UniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute 16-bit int data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt64UniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute 64-bit int data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloatUniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute float data to the same unique value asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloat64UniqueDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_array, int data_length, int start_index, int num_indices, int *job_id)
	Set multiple attribute 64-bit float data to the same unique asynchronously. More...
HAPI_DECL	HAPI_SetAttributeDictionaryDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_array, int start, int length, int *job_id)
	Set attribute dictionary data asynchronously. The dictionary data should be provided as JSON-encoded strings. More...
HAPI_DECL	HAPI_SetAttributeIntArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const int *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set integer array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeUInt8ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_UInt8 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set unsigned 8-bit integer array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt8ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int8 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set 8-bit integer array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt16ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int16 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set 16-bit integer array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeInt64ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const HAPI_Int64 *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set 64-bit integer array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloatArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const float *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set float array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeFloat64ArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const double *data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set 64-bit float array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeStringArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set string array attribute data asynchronously. More...
HAPI_DECL	HAPI_SetAttributeDictionaryArrayDataAsync (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const HAPI_AttributeInfo *attr_info, const char **data_fixed_array, int data_fixed_length, const int *sizes_fixed_array, int start, int sizes_fixed_length, int *job_id)
	Set attribute dictionary array data asynchronously. The dictionary should be provided as JSON-encoded strings. More...
HAPI_DECL	HAPI_AddGroup (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, const char *group_name)
	Add a group to the input geo with the given type and name. More...
HAPI_DECL	HAPI_DeleteGroup (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, const char *group_name)
	Remove a group from the input geo with the given type and name. More...
HAPI_DECL	HAPI_SetGroupMembership (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_GroupType group_type, const char *group_name, const int *membership_array, int start, int length)
	Set group membership. More...
HAPI_DECL	HAPI_CommitGeo (const HAPI_Session *session, HAPI_NodeId node_id)
	Commit the current input geometry to the cook engine. Nodes that use this geometry node will re-cook using the input geometry given through the geometry setter API calls. More...
HAPI_DECL	HAPI_RevertGeo (const HAPI_Session *session, HAPI_NodeId node_id)
	Remove all changes that have been committed to this geometry. If this is an intermediate result node (Edit SOP), all deltas will be removed. If it's any other type of node, the node will be unlocked if it is locked. More...
HAPI_DECL	HAPI_GetMaterialNodeIdsOnFaces (const HAPI_Session *session, HAPI_NodeId geometry_node_id, HAPI_PartId part_id, HAPI_Bool *are_all_the_same, HAPI_NodeId *material_ids_array, int start, int length)
	Get material ids by face/primitive. The material ids returned will be valid as long as the asset is alive. You should query this list after every cook to see if the material assignments have changed. You should also query each material individually using HAPI_GetMaterialInfo() to see if it is dirty and needs to be re-imported. More...
HAPI_DECL	HAPI_GetMaterialInfo (const HAPI_Session *session, HAPI_NodeId material_node_id, HAPI_MaterialInfo *material_info)
	Get the material info. More...
HAPI_DECL	HAPI_RenderCOPToImage (const HAPI_Session *session, HAPI_NodeId cop_node_id)
	Render a single texture from a COP to an image for later extraction. More...
HAPI_DECL	HAPI_RenderTextureToImage (const HAPI_Session *session, HAPI_NodeId material_node_id, HAPI_ParmId parm_id)
	Render only a single texture to an image for later extraction. An example use of this method might be to render the diffuse, normal, and bump texture maps of a material to individual texture files for use within the client application. More...
HAPI_DECL	HAPI_GetImageInfo (const HAPI_Session *session, HAPI_NodeId material_node_id, HAPI_ImageInfo *image_info)
	Get information about the image that was just rendered, like resolution and default file format. This information will be used when extracting planes to an image. More...
HAPI_DECL	HAPI_SetImageInfo (const HAPI_Session *session, HAPI_NodeId material_node_id, const HAPI_ImageInfo *image_info)
	Set image information like resolution and file format. This information will be used when extracting planes to an image. More...
HAPI_DECL	HAPI_GetImagePlaneCount (const HAPI_Session *session, HAPI_NodeId material_node_id, int *image_plane_count)
	Get the number of image planes for the just rendered image. More...
HAPI_DECL	HAPI_GetImagePlanes (const HAPI_Session *session, HAPI_NodeId material_node_id, HAPI_StringHandle *image_planes_array, int image_plane_count)
	Get the names of the image planes of the just rendered image. More...
HAPI_DECL	HAPI_ExtractImageToFile (const HAPI_Session *session, HAPI_NodeId material_node_id, const char *image_file_format_name, const char *image_planes, const char *destination_folder_path, const char *destination_file_name, int *destination_file_path)
	Extract a rendered image to a file. More...
HAPI_DECL	HAPI_GetImageFilePath (const HAPI_Session *session, HAPI_NodeId material_node_id, const char *image_file_format_name, const char *image_planes, const char *destination_folder_path, const char *destination_file_name, HAPI_ParmId texture_parm_id, int *destination_file_path)
	Get the file name that this image would be saved to. More...
HAPI_DECL	HAPI_ExtractImageToMemory (const HAPI_Session *session, HAPI_NodeId material_node_id, const char *image_file_format_name, const char *image_planes, int *buffer_size)
	Extract a rendered image to memory. More...
HAPI_DECL	HAPI_GetImageMemoryBuffer (const HAPI_Session *session, HAPI_NodeId material_node_id, char *buffer, int length)
	Fill your allocated buffer with the just extracted image buffer. More...
HAPI_DECL	HAPI_GetSupportedImageFileFormatCount (const HAPI_Session *session, int *file_format_count)
	Get the number of supported texture file formats. More...
HAPI_DECL	HAPI_GetSupportedImageFileFormats (const HAPI_Session *session, HAPI_ImageFileFormat *formats_array, int file_format_count)
	Get a list of support image file formats - their names, descriptions and a list of recognized extensions. More...
HAPI_DECL	HAPI_SetAnimCurve (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_ParmId parm_id, int parm_index, const HAPI_Keyframe *curve_keyframes_array, int keyframe_count)
	Set an animation curve on a parameter of an exposed node. More...
HAPI_DECL	HAPI_SetTransformAnimCurve (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_TransformComponent trans_comp, const HAPI_Keyframe *curve_keyframes_array, int keyframe_count)
	A specialized convenience function to set the T,R,S values on an exposed node. More...
HAPI_DECL	HAPI_ResetSimulation (const HAPI_Session *session, HAPI_NodeId node_id)
	Resets the simulation cache of the asset. This is very useful for assets that use dynamics, to be called after some setup has changed for the asset - for example, asset inputs. More...
HAPI_DECL	HAPI_GetVolumeInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_VolumeInfo *volume_info)
	Retrieve any meta-data about the volume primitive, including its transform, location, scale, taper, resolution. More...
HAPI_DECL	HAPI_GetFirstVolumeTile (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_VolumeTileInfo *tile)
	Iterate through a volume based on 8x8x8 sections of the volume Start iterating through the value of the volume at part_id. More...
HAPI_DECL	HAPI_GetNextVolumeTile (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_VolumeTileInfo *tile)
	Iterate through a volume based on 8x8x8 sections of the volume Continue iterating through the value of the volume at part_id. More...
HAPI_DECL	HAPI_GetVolumeVoxelFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int x_index, int y_index, int z_index, float *values_array, int value_count)
	Retrieve floating point values of the voxel at a specific index. Note that you must call HAPI_GetVolumeInfo() prior to this call. More...
HAPI_DECL	HAPI_GetVolumeTileFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, float fill_value, const HAPI_VolumeTileInfo *tile, float *values_array, int length)
	Retrieve floating point values of the voxels pointed to by a tile. Note that a tile may extend beyond the limits of the volume so not all values in the given buffer will be written to. Voxels outside the volume will be initialized to the given fill value. More...
HAPI_DECL	HAPI_GetVolumeVoxelIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int x_index, int y_index, int z_index, int *values_array, int value_count)
	Retrieve integer point values of the voxel at a specific index. Note that you must call HAPI_GetVolumeInfo() prior to this call. More...
HAPI_DECL	HAPI_GetVolumeTileIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int fill_value, const HAPI_VolumeTileInfo *tile, int *values_array, int length)
	Retrieve integer point values of the voxels pointed to by a tile. Note that a tile may extend beyond the limits of the volume so not all values in the given buffer will be written to. Voxels outside the volume will be initialized to the given fill value. More...
HAPI_DECL	HAPI_GetHeightFieldData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, float *values_array, int start, int length)
	Get the height field data for a terrain volume as a flattened 2D array of float heights. Should call HAPI_GetVolumeInfo() first to make sure the volume info is initialized. More...
HAPI_DECL	HAPI_SetVolumeInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_VolumeInfo *volume_info)
	Set the volume info of a geo on a geo input. More...
HAPI_DECL	HAPI_SetVolumeTileFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_VolumeTileInfo *tile, const float *values_array, int length)
	Set the values of a float tile: this is an 8x8x8 subsection of the volume. More...
HAPI_DECL	HAPI_SetVolumeTileIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_VolumeTileInfo *tile, const int *values_array, int length)
	Set the values of an int tile: this is an 8x8x8 subsection of the volume. More...
HAPI_DECL	HAPI_SetVolumeVoxelFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int x_index, int y_index, int z_index, const float *values_array, int value_count)
	Set the values of a float voxel in the volume. More...
HAPI_DECL	HAPI_SetVolumeVoxelIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int x_index, int y_index, int z_index, const int *values_array, int value_count)
	Set the values of a integer voxel in the volume. More...
HAPI_DECL	HAPI_GetVolumeBounds (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, float *x_min, float *y_min, float *z_min, float *x_max, float *y_max, float *z_max, float *x_center, float *y_center, float *z_center)
	Get the bounding values of a volume. More...
HAPI_DECL	HAPI_SetHeightFieldData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const char *name, const float *values_array, int start, int length)
	Set the height field data for a terrain volume with the values from a flattened 2D array of float. HAPI_SetVolumeInfo() should be called first to make sure that the volume and its info are initialized. More...
HAPI_DECL	HAPI_GetVolumeVisualInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_VolumeVisualInfo *visual_info)
	Retrieve the visualization meta-data of the volume. More...
HAPI_DECL	HAPI_GetCurveInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_CurveInfo *info)
	Retrieve any meta-data about the curves, including the curve's type, order, and periodicity. More...
HAPI_DECL	HAPI_GetCurveCounts (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int *counts_array, int start, int length)
	Retrieve the number of vertices for each curve in the part. More...
HAPI_DECL	HAPI_GetCurveOrders (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, int *orders_array, int start, int length)
	Retrieve the orders for each curve in the part if the curve has varying order. More...
HAPI_DECL	HAPI_GetCurveKnots (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, float *knots_array, int start, int length)
	Retrieve the knots of the curves in this part. More...
HAPI_DECL	HAPI_SetCurveInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_CurveInfo *info)
	Set meta-data for the curve mesh, including the curve type, order, and periodicity. More...
HAPI_DECL	HAPI_SetCurveCounts (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const int *counts_array, int start, int length)
	Set the number of vertices for each curve in the part. More...
HAPI_DECL	HAPI_SetCurveOrders (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const int *orders_array, int start, int length)
	Set the orders for each curve in the part if the curve has varying order. More...
HAPI_DECL	HAPI_SetCurveKnots (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const float *knots_array, int start, int length)
	Set the knots of the curves in this part. More...
HAPI_DECL	HAPI_GetInputCurveInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, HAPI_InputCurveInfo *info)
	Retrieve meta-data about the input curves, including the curve's type, order, and whether or not the curve is closed and reversed. More...
HAPI_DECL	HAPI_SetInputCurveInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const HAPI_InputCurveInfo *info)
	Set meta-data for the input curves, including the curve type, order, reverse and closed properties. More...
HAPI_DECL	HAPI_SetInputCurvePositions (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const float *positions_array, int start, int length)
	Sets the positions for input curves, doing checks for curve validity, and adjusting the curve settings accordingly. Will also cook the node. More...
HAPI_DECL	HAPI_SetInputCurvePositionsRotationsScales (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PartId part_id, const float *positions_array, int positions_start, int positions_length, const float *rotations_array, int rotations_start, int rotations_length, const float *scales_array, int scales_start, int scales_length)
	Sets the positions for input curves, doing checks for curve validity, and adjusting the curve settings accordingly. Will also cook the node. Additionally, adds rotation and scale attributes to the curve. More...
HAPI_DECL	HAPI_GetBoxInfo (const HAPI_Session *session, HAPI_NodeId geo_node_id, HAPI_PartId part_id, HAPI_BoxInfo *box_info)
	Get the box info on a geo part (if the part is a box). More...
HAPI_DECL	HAPI_GetSphereInfo (const HAPI_Session *session, HAPI_NodeId geo_node_id, HAPI_PartId part_id, HAPI_SphereInfo *sphere_info)
	Get the sphere info on a geo part (if the part is a sphere). More...
HAPI_DECL	HAPI_GetActiveCacheCount (const HAPI_Session *session, int *active_cache_count)
	Get the number of currently active caches. More...
HAPI_DECL	HAPI_GetActiveCacheNames (const HAPI_Session *session, HAPI_StringHandle *cache_names_array, int active_cache_count)
	Get the names of the currently active caches. More...
HAPI_DECL	HAPI_GetCacheProperty (const HAPI_Session *session, const char *cache_name, HAPI_CacheProperty cache_property, int *property_value)
	Lets you inspect specific properties of the different memory caches in the current Houdini context. More...
HAPI_DECL	HAPI_SetCacheProperty (const HAPI_Session *session, const char *cache_name, HAPI_CacheProperty cache_property, int property_value)
	Lets you modify specific properties of the different memory caches in the current Houdini context. This includes clearing caches, reducing their memory use, or changing how memory limits are respected by a cache. More...
HAPI_DECL	HAPI_SaveGeoToFile (const HAPI_Session *session, HAPI_NodeId node_id, const char *file_name)
	Saves a geometry to file. The type of file to save is to be determined by the extension ie. .bgeo, .obj. More...
HAPI_DECL	HAPI_LoadGeoFromFile (const HAPI_Session *session, HAPI_NodeId node_id, const char *file_name)
	Loads a geometry file and put its contents onto a SOP node. More...
HAPI_DECL	HAPI_SaveNodeToFile (const HAPI_Session *session, HAPI_NodeId node_id, const char *file_name)
	Saves the node and all its contents to file. The saved file can be loaded by calling HAPI_LoadNodeFromFile. More...
HAPI_DECL	HAPI_LoadNodeFromFile (const HAPI_Session *session, const char *file_name, HAPI_NodeId parent_node_id, const char *node_label, HAPI_Bool cook_on_load, HAPI_NodeId *new_node_id)
	Loads and creates a previously saved node and all its contents from given file. The saved file must have been created by calling HAPI_SaveNodeToFile. More...
HAPI_DECL	HAPI_GetGeoSize (const HAPI_Session *session, HAPI_NodeId node_id, const char *format, int *size)
	Cache the current state of the geo to memory, given the format, and return the size. Use this size with your call to HAPI_SaveGeoToMemory() to copy the cached geo to your buffer. It is guaranteed that the size will not change between your call to HAPI_GetGeoSize() and HAPI_SaveGeoToMemory(). More...
HAPI_DECL	HAPI_SaveGeoToMemory (const HAPI_Session *session, HAPI_NodeId node_id, char *buffer, int length)
	Saves the cached geometry to your buffer in memory, whose format and required size is identified by the call to HAPI_GetGeoSize(). The call to HAPI_GetGeoSize() is required as HAPI_GetGeoSize() does the actual saving work. More...
HAPI_DECL	HAPI_LoadGeoFromMemory (const HAPI_Session *session, HAPI_NodeId node_id, const char *format, const char *buffer, int length)
	Loads a geometry from memory and put its contents onto a SOP node. More...
HAPI_DECL	HAPI_SetNodeDisplay (const HAPI_Session *session, HAPI_NodeId node_id, int onOff)
	Set the specified node's display flag. More...
HAPI_DECL	HAPI_GetTotalCookCount (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_NodeTypeBits node_type_filter, HAPI_NodeFlagsBits node_flags_filter, HAPI_Bool recursive, int *count)
	Get the specified node's total cook count, including its children, if specified. More...
HAPI_DECL	HAPI_SetSessionSync (const HAPI_Session *session, HAPI_Bool enable)
	Enable or disable SessionSync mode. More...
HAPI_DECL	HAPI_GetViewport (const HAPI_Session *session, HAPI_Viewport *viewport)
	Get the HAPI_Viewport info for synchronizing viewport in SessionSync. When SessionSync is running this will return Houdini's current viewport information. More...
HAPI_DECL	HAPI_SetViewport (const HAPI_Session *session, const HAPI_Viewport *viewport)
	Set the HAPI_Viewport info for synchronizing viewport in SessionSync. When SessionSync is running, this can be used to set the viewport information which Houdini will then synchronizse with for its viewport. More...
HAPI_DECL	HAPI_GetSessionSyncInfo (const HAPI_Session *session, HAPI_SessionSyncInfo *session_sync_info)
	Get the HAPI_SessionSyncInfo for synchronizing SessionSync state between Houdini and Houdini Engine integrations. More...
HAPI_DECL	HAPI_SetSessionSyncInfo (const HAPI_Session *session, const HAPI_SessionSyncInfo *session_sync_info)
	Set the HAPI_SessionSyncInfo for synchronizing SessionSync state between Houdini and Houdini Engine integrations. More...
HAPI_DECL	HAPI_GetPDGGraphContexts (const HAPI_Session *session, HAPI_StringHandle *context_names_array, HAPI_PDG_GraphContextId *context_id_array, int start, int length)
	Return an array of PDG graph context names and ids, the first count names will be returned. These ids can be used with HAPI_GetPDGEvents and HAPI_GetPDGState. The values of the names can be retrieved with HAPI_GetString. More...
HAPI_DECL	HAPI_GetPDGGraphContextsCount (const HAPI_Session *session, int *num_contexts)
	Return the total number of PDG graph contexts found. More...
HAPI_DECL	HAPI_GetPDGGraphContextId (const HAPI_Session *session, HAPI_NodeId top_node_id, HAPI_PDG_GraphContextId *context_id)
	Get the PDG graph context for the specified TOP node. More...
HAPI_DECL	HAPI_CookPDG (const HAPI_Session *session, HAPI_NodeId cook_node_id, int generate_only, int blocking)
	Starts a PDG cooking operation. This can be asynchronous. Progress can be checked with HAPI_GetPDGState() and HAPI_GetPDGState(). Events generated during this cook can be collected with HAPI_GetPDGEvents(). Any uncollected events will be discarded at the start of the cook. More...
HAPI_DECL	HAPI_CookPDGAllOutputs (const HAPI_Session *session, HAPI_NodeId cook_node_id, int generate_only, int blocking)
	Starts a PDG cooking operation. This can be asynchronous. Progress can be checked with HAPI_GetPDGState() and HAPI_GetPDGState(). Events generated during this cook can be collected with HAPI_GetPDGEvents(). Any uncollected events will be discarded at the start of the cook. More...
HAPI_DECL	HAPI_GetPDGEvents (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id, HAPI_PDG_EventInfo *event_array, int length, int *event_count, int *remaining_events)
	Returns PDG events that have been collected. Calling this function will remove those events from the queue. Events collection is restarted by calls to HAPI_CookPDG(). More...
HAPI_DECL	HAPI_GetPDGState (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id, int *pdg_state)
	Gets the state of a PDG graph. More...
	HAPI_CreateWorkitem (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId *workitem_id, const char *name, int index)
	Creates a new pending workitem for the given node. The workitem will not be submitted to the graph until it is committed with HAPI_CommitWorkitems(). The node is expected to be a generator type. More...
	HAPI_GetWorkitemInfo (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id, HAPI_PDG_WorkItemId workitem_id, HAPI_PDG_WorkItemInfo *workitem_info)
	Retrieves the info of a given workitem by id. More...
	HAPI_SetWorkitemIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, const int *values_array, int length)
	Adds integer data to a pending PDG workitem data member for the given node. More...
	HAPI_SetWorkitemFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, const float *values_array, int length)
	Adds float data to a pending PDG workitem data member for the given node. More...
	HAPI_SetWorkitemStringData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, int data_index, const char *value)
	Adds integer data to a pending PDG workitem data member for the given node. More...
	HAPI_CommitWorkitems (const HAPI_Session *session, HAPI_NodeId node_id)
	Commits any pending workitems. More...
	HAPI_GetNumWorkitems (const HAPI_Session *session, HAPI_NodeId node_id, int *num)
	Gets the number of workitems that are available on the given node. Should be used with HAPI_GetWorkitems. More...
	HAPI_GetWorkitems (const HAPI_Session *session, HAPI_NodeId node_id, int *workitem_ids_array, int length)
	Gets the list of work item ids for the given node. More...
	HAPI_GetWorkitemDataLength (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, int *length)
	Gets the length of the workitem data member. It is the length of the array of data. More...
	HAPI_GetWorkitemIntData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, int *data_array, int length)
	Gets int data from a work item member. More...
	HAPI_GetWorkitemFloatData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, float *data_array, int length)
	Gets float data from a work item member. More...
	HAPI_GetWorkitemStringData (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, const char *data_name, HAPI_StringHandle *data_array, int length)
	Gets string ids from a work item member. More...
	HAPI_GetWorkitemResultInfo (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId workitem_id, HAPI_PDG_WorkItemOutputFile *resultinfo_array, int resultinfo_count)
	Gets the info for workitem results. The number of workitem results is found on the HAPI_PDG_WorkItemInfo returned by HAPI_GetWorkitemInfo() More...
HAPI_DECL	HAPI_CreateWorkItem (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId *work_item_id, const char *name, int index)
	Creates a new pending work item for the given node. The work item will not be submitted to the graph until it is committed with HAPI_CommitWorkItems(). The node is expected to be a generator type. More...
HAPI_DECL	HAPI_GetWorkItemInfo (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id, HAPI_PDG_WorkItemId work_item_id, HAPI_PDG_WorkItemInfo *work_item_info)
	Retrieves the info of a given work item by id. More...
HAPI_DECL	HAPI_SetWorkItemIntAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, const int *values_array, int length)
	Adds integer data to a pending PDG work item attribute for the given node. More...
HAPI_DECL	HAPI_SetWorkItemFloatAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, const float *values_array, int length)
	Adds float data to a pending PDG work item attribute for the given node. More...
HAPI_DECL	HAPI_SetWorkItemStringAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, int data_index, const char *value)
	Adds integer data to a pending PDG work item attribute for the given node. More...
HAPI_DECL	HAPI_CommitWorkItems (const HAPI_Session *session, HAPI_NodeId node_id)
	Commits any pending work items. More...
HAPI_DECL	HAPI_GetNumWorkItems (const HAPI_Session *session, HAPI_NodeId node_id, int *num)
	Gets the number of work items that are available on the given node. Should be used with HAPI_GetWorkItems. More...
HAPI_DECL	HAPI_GetWorkItems (const HAPI_Session *session, HAPI_NodeId node_id, int *work_item_ids_array, int length)
	Gets the list of work item ids for the given node. More...
HAPI_DECL	HAPI_GetWorkItemAttributeSize (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, int *length)
	Gets the size of the work item attribute. It is the length of the array of data. More...
HAPI_DECL	HAPI_GetWorkItemIntAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, int *data_array, int length)
	Gets int data from a work item attribute. More...
HAPI_DECL	HAPI_GetWorkItemFloatAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, float *data_array, int length)
	Gets float data from a work item attribute. More...
HAPI_DECL	HAPI_GetWorkItemStringAttribute (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, const char *attribute_name, HAPI_StringHandle *data_array, int length)
	Gets string ids from a work item attribute. More...
HAPI_DECL	HAPI_GetWorkItemOutputFiles (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_PDG_WorkItemId work_item_id, HAPI_PDG_WorkItemOutputFile *resultinfo_array, int resultinfo_count)
	Gets the info for work item output files. The number of work item results is found on the HAPI_PDG_WorkItemInfo returned by HAPI_GetWorkItemInfo() More...
HAPI_DECL	HAPI_DirtyPDGNode (const HAPI_Session *session, HAPI_NodeId node_id, HAPI_Bool clean_results)
	Dirties the given node. Cancels the cook if necessary and then deletes all workitems on the node. More...
HAPI_DECL	HAPI_PausePDGCook (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id)
	Pause the PDG cooking operation. More...
HAPI_DECL	HAPI_CancelPDGCook (const HAPI_Session *session, HAPI_PDG_GraphContextId graph_context_id)
	Cancel the PDG cooking operation. More...

Function Documentation

HAPI_DECL HAPI_GetBoxInfo	(	const HAPI_Session *	session,
		HAPI_NodeId	geo_node_id,
		HAPI_PartId	part_id,
		HAPI_BoxInfo *	box_info
	)

Get the box info on a geo part (if the part is a box).

Parameters

[in]	session	The session of Houdini you are interacting with. See HAPI_Sessions for more on sessions. Pass NULL to just use the default in-process session.
[in]	geo_node_id	The geo node id.
[in]	part_id	The part id of the
[out]	box_info	The returned box info.

HAPI_DECL HAPI_GetCompositorOptions	(	const HAPI_Session *	session,
		HAPI_CompositorOptions *	compositor_options
	)

Gets the global compositor options.

Parameters

[in]	session	The session of Houdini you are interacting with. See HAPI_Sessions for more on sessions. Pass NULL to just use the default in-process session.
[out]	compositor_options	The compositor options struct.

HAPI_DECL HAPI_GetSphereInfo	(	const HAPI_Session *	session,
		HAPI_NodeId	geo_node_id,
		HAPI_PartId	part_id,
		HAPI_SphereInfo *	sphere_info
	)

Get the sphere info on a geo part (if the part is a sphere).

Parameters

[in]	session	The session of Houdini you are interacting with. See HAPI_Sessions for more on sessions. Pass NULL to just use the default in-process session.
[in]	geo_node_id	The geo node id.
[in]	part_id	The part id of the
[out]	sphere_info	The returned sphere info.

HAPI_DECL HAPI_SetCompositorOptions	(	const HAPI_Session *	session,
		const HAPI_CompositorOptions *	compositor_options
	)

Sets the global compositor options.

Parameters

[in]	session	The session of Houdini you are interacting with. See HAPI_Sessions for more on sessions. Pass NULL to just use the default in-process session.
[in]	compositor_options	The compositor options.