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SIM_RawIndexField Class Reference

#include <SIM_RawIndexField.h>

Classes

struct  sim_buildActiveParms
 
struct  sim_extrapActiveParms
 

Public Types

typedef UT_Array< int64 > Indices
 
typedef SIM_VoxelBox Box
 
typedef UT_Array< Box > Boxes
 
typedef int64 ScalarType
 

Public Member Functions

 SIM_RawIndexField ()
 
virtual ~SIM_RawIndexField ()
 
 SIM_RawIndexField (const SIM_RawIndexField &src)
 Copy constructor: More...
 
const SIM_RawIndexField & operator= (const SIM_RawIndexField &src)
 Assigment operator: More...
 
void init (SIM_FieldSample sample, const UT_Vector3 &orig, const UT_Vector3 &size, int xres, int yres, int zres)
 
void init (SIM_FieldSample sample, const UT_Vector3 &orig, const UT_Vector3 &size, int xres, int yres, int zres, const UT_Vector3 &voxelsize)
 
void init (SIM_FieldSample sample, const UT_Vector3 &orig, const UT_Vector3 &size, UT_VoxelArrayI *voxels, const UT_Vector3 &voxelsize)
 
void match (const SIM_RawField &src)
 
void match (const SIM_RawIndexField &src)
 
void makeConstant (exint cval)
 Sets this field to a constant value. More...
 
bool indexToPos (int x, int y, int z, UT_Vector3 &pos) const
 
bool indexToPos (exint x, exint y, exint z, UT_Vector3D &pos) const
 
bool indexToPos (UT_Vector3I index, UT_Vector3 &pos) const
 
UT_Vector3 indexToPos (UT_Vector3I index) const
 
bool posToIndex (UT_Vector3 pos, int &x, int &y, int &z) const
 Converts a worldspace position into an integer index. More...
 
UT_Vector3I posToIndex (UT_Vector3 pos) const
 
bool isMatching (const SIM_RawIndexField *field) const
 
bool isMatching (const SIM_RawField *field) const
 
bool isAligned (const SIM_RawIndexField *field) const
 
bool isAligned (const SIM_RawField *field) const
 
bool isColocated (const SIM_RawField *field, UT_Vector3I &offset) const
 
bool isColocated (const SIM_RawIndexField *field, UT_Vector3I &offset) const
 
UT_VoxelArrayI * steal ()
 Steals the voxel array, leaving this pointing to a 0 constant array. More...
 
exint getMemoryUsage () const
 
UT_Vector3I getVoxelRes () const
 
void getVoxelRes (int &xres, int &yres, int &zres) const
 
int getXRes () const
 
int getYRes () const
 
int getZRes () const
 
void getWorldOrigin (int &origx, int &origy, int &origz) const
 
const UT_Vector3 & getVoxelSize () const
 
void setVoxelSize (const UT_Vector3 &voxelsize)
 
fpreal getVoxelDiameter () const
 
UT_VoxelBorderType getBorder () const
 
exint getBorderValue () const
 
void setBorder (UT_VoxelBorderType border, exint bval)
 
bool isValidIndex (int x, int y, int z) const
 Returns true if the given x, y, z values lie inside the valid index. More...
 
void getSamplePattern (SIM_FieldSample sample, int x, int y, int z, int &numsample, int *ix, int *iy, int *iz, bool clamp) const
 
exint buildIndex (const SIM_RawField *surface, const SIM_RawField *collision)
 
exint buildPartitionedIndex (const SIM_RawField *surface, const SIM_RawField *collision)
 
 THREADED_METHOD1 (SIM_RawIndexField, shouldMultiThread(), buildCollisionLookup, const SIM_RawField *, collision) void buildCollisionLookupPartial(const SIM_RawField *collision
 
exint computeConnectedComponents (const SIM_RawField &surface)
 
exint computeConnectedComponents (const SIM_RawIndexField &idx)
 
exint computeConnectedComponentsWeighted (const SIM_RawIndexField &idx, const SIM_RawField *weights[3], const SIM_RawIndexField *sliceindex=0, int thisslice=-1)
 
void computeMetaConnected (UT_IntArray &metagroups, const SIM_RawIndexField &idx) const
 Computes connectivity of the -2 and >= 0 material types. More...
 
bool shouldMultiThread () const
 Returns true if this should be multithreaded. More...
 
exint operator() (int x, int y, int z) const
 
exint getIndex (const UT_VoxelArrayIteratorF &vit) const
 
exint getValue (const UT_Vector3 &pos) const
 
const UT_VoxelArrayI * field () const
 
UT_VoxelArrayI * fieldNC () const
 
exint maxIndex () const
 
const UT_Vector3 & getOrig () const
 
const UT_Vector3 & getSize () const
 
const UT_Vector3 & getBBoxOrig () const
 
const UT_Vector3 & getBBoxSize () const
 
SIM_FieldSample getSample () const
 
void extrapolateClosestPoints (const SIM_RawIndexField *altclosept, const GU_Detail *gdp, const openvdb::tools::PointIndexGrid *ptgridvdb, fpreal uniformradius, fpreal bandwidth, bool rebuildsdf, SIM_RawField *dest=NULL, const SIM_RawField::sim_particleToFieldParms *parms=NULL)
 

Public Attributes

const UT_JobInfo & info
 

Protected Types

typedef exint sim_extrapelem
 

Protected Member Functions

exint collapseClassIndices ()
 
bool shouldConnectIndices (exint idx1, exint idx2) const
 
 THREADED_METHOD3 (SIM_RawIndexField, shouldMultiThread(), initConnectedComponents, const SIM_RawIndexField &, idx, const SIM_RawIndexField *, sliceindex, int, thisslice)
 
void initConnectedComponentsPartial (const SIM_RawIndexField &idx, const SIM_RawIndexField *sliceindex, int thisslice, const UT_JobInfo &info)
 
 THREADED_METHOD1 (SIM_RawIndexField, shouldMultiThread(), applyLookup, const UT_VoxelArrayI &, lut)
 
void applyLookupPartial (const UT_VoxelArrayI &lut, const UT_JobInfo &info)
 
void findRange (const SIM_RawField *surface, const SIM_RawField *collision, int begin[3], int end[3]) const
 
exint countVoxelsInBox (const SIM_RawField *surface, const SIM_RawField *collision, const Box &box) const
 
void computeQueryOffsets (const SIM_RawIndexField *nindex, int nsamples, const int *dx, const int *dy, const int *dz, UT_Vector3Array &queryoffsets, UT_ValArray< fpreal > &radii) const
 
 THREADED_METHOD1 (SIM_RawIndexField, shouldMultiThread(), buildActiveLists, const sim_buildActiveParms &, parms)
 
void buildActiveListsPartial (const sim_buildActiveParms &parms, const UT_JobInfo &info)
 
 THREADED_METHOD4 (SIM_RawIndexField, tileoccupied.entries() > 10, uncompressActiveTiles, UT_VoxelArrayI &, closept, UT_VoxelArrayI &, newclosept, UT_VoxelArrayF *, dest, const UT_ValArray< bool > &, tileoccupied)
 
void uncompressActiveTilesPartial (UT_VoxelArrayI &closept, UT_VoxelArrayI &newclosept, UT_VoxelArrayF *dest, const UT_ValArray< bool > &tileoccupied, const UT_JobInfo &info)
 
 THREADED_METHOD1 (SIM_RawIndexField, parms.elements->entries() > 50, extrapolateActiveElements, const sim_extrapActiveParms &, parms)
 
void extrapolateActiveElementsPartial (const sim_extrapActiveParms &parms, const UT_JobInfo &info)
 
 THREADED_METHOD4 (SIM_RawIndexField, elements.entries() > 100, applyExtrapolatedParticleToField, const UT_ValArray< sim_extrapelem > &, elements, const GU_Detail *, gdp, SIM_RawField *, dest, const SIM_RawField::sim_particleToFieldParms &, ptfparms)
 
void applyExtrapolatedParticleToFieldPartial (const UT_ValArray< sim_extrapelem > &e, const GU_Detail *gdp, SIM_RawField *dest, const SIM_RawField::sim_particleToFieldParms &ptfparms, const UT_JobInfo &info)
 

Static Protected Member Functions

static sim_extrapelem indexToElement (const UT_VoxelArrayI &U, int x, int y, int z)
 
static void elementToIndex (const UT_VoxelArrayI &U, sim_extrapelem idx, int &x, int &y, int &z)
 

Protected Attributes

UT_VoxelArrayI * myField
 
SIM_FieldSample mySample
 
exint myMaxIndex
 
UT_Vector3 myOrig
 
UT_Vector3 mySize
 
UT_Vector3 myBBoxOrig
 
UT_Vector3 myBBoxSize
 
UT_Vector3 myVoxelSize
 
fpreal myVoxelDiameter
 

Detailed Description

Definition at line 41 of file SIM_RawIndexField.h.

Member Typedef Documentation

typedef SIM_VoxelBox SIM_RawIndexField::Box

Definition at line 45 of file SIM_RawIndexField.h.

typedef UT_Array<Box> SIM_RawIndexField::Boxes

Definition at line 46 of file SIM_RawIndexField.h.

typedef UT_Array<int64> SIM_RawIndexField::Indices

Definition at line 44 of file SIM_RawIndexField.h.

typedef int64 SIM_RawIndexField::ScalarType

Definition at line 47 of file SIM_RawIndexField.h.

typedef exint SIM_RawIndexField::sim_extrapelem
protected

Definition at line 312 of file SIM_RawIndexField.h.

Constructor & Destructor Documentation

SIM_RawIndexField::SIM_RawIndexField ( )
virtual SIM_RawIndexField::~SIM_RawIndexField ( )
virtual
SIM_RawIndexField::SIM_RawIndexField ( const SIM_RawIndexField &  src)

Copy constructor:

Member Function Documentation

void SIM_RawIndexField::applyExtrapolatedParticleToFieldPartial ( const UT_ValArray< sim_extrapelem > &  e,
const GU_Detail *  gdp,
SIM_RawField *  dest,
const SIM_RawField::sim_particleToFieldParms &  ptfparms,
const UT_JobInfo &  info 
)
protected
void SIM_RawIndexField::applyLookupPartial ( const UT_VoxelArrayI &  lut,
const UT_JobInfo &  info 
)
protected
void SIM_RawIndexField::buildActiveListsPartial ( const sim_buildActiveParms &  parms,
const UT_JobInfo &  info 
)
protected
exint SIM_RawIndexField::buildIndex ( const SIM_RawField *  surface,
const SIM_RawField *  collision 
)

Builds from a surface & collision field. -1 if inside collision, -2 if not in collision and not in surface, otherwise a unique number. Returns maximum index (which you can also get from getMaxIndex)

exint SIM_RawIndexField::buildPartitionedIndex ( const SIM_RawField *  surface,
const SIM_RawField *  collision 
)
exint SIM_RawIndexField::collapseClassIndices ( )
protected

Given a set of connectivity classes, collapse into the minimal set and renumber from 0. myMaxIndex will be updated with the resulting maximum & the number of components returned.

exint SIM_RawIndexField::computeConnectedComponents ( const SIM_RawField &  surface)

Computes the connected components of the given field. Anything with a value < 0 will be considered "inside" and connected to each other. Voxels with a value >= 0 will be flagged as being in component -1. The maxIndex will store the number of connected components.

exint SIM_RawIndexField::computeConnectedComponents ( const SIM_RawIndexField &  idx)

Computes the connected components according to the given index values. Areas of -1, -2, and >=0 will be consdiered three different material types and connectivity computed respectively.

exint SIM_RawIndexField::computeConnectedComponentsWeighted ( const SIM_RawIndexField &  idx,
const SIM_RawField *  weights[3],
const SIM_RawIndexField *  sliceindex = 0,
int  thisslice = -1 
)
void SIM_RawIndexField::computeMetaConnected ( UT_IntArray &  metagroups,
const SIM_RawIndexField &  idx 
) const

Computes connectivity of the -2 and >= 0 material types.

void SIM_RawIndexField::computeQueryOffsets ( const SIM_RawIndexField *  nindex,
int  nsamples,
const int *  dx,
const int *  dy,
const int *  dz,
UT_Vector3Array &  queryoffsets,
UT_ValArray< fpreal > &  radii 
) const
protected
exint SIM_RawIndexField::countVoxelsInBox ( const SIM_RawField *  surface,
const SIM_RawField *  collision,
const Box &  box 
) const
protected
static void SIM_RawIndexField::elementToIndex ( const UT_VoxelArrayI &  U,
sim_extrapelem  idx,
int &  x,
int &  y,
int &  z 
)
staticprotected
void SIM_RawIndexField::extrapolateActiveElementsPartial ( const sim_extrapActiveParms &  parms,
const UT_JobInfo &  info 
)
protected
void SIM_RawIndexField::extrapolateClosestPoints ( const SIM_RawIndexField *  altclosept,
const GU_Detail *  gdp,
const openvdb::tools::PointIndexGrid *  ptgridvdb,
fpreal  uniformradius,
fpreal  bandwidth,
bool  rebuildsdf,
SIM_RawField *  dest = NULL,
const SIM_RawField::sim_particleToFieldParms *  parms = NULL 
)
const UT_VoxelArrayI* SIM_RawIndexField::field ( ) const
inline

Definition at line 230 of file SIM_RawIndexField.h.

UT_VoxelArrayI* SIM_RawIndexField::fieldNC ( ) const
inline

Definition at line 231 of file SIM_RawIndexField.h.

void SIM_RawIndexField::findRange ( const SIM_RawField *  surface,
const SIM_RawField *  collision,
int  begin[3],
int  end[3] 
) const
protected
const UT_Vector3& SIM_RawIndexField::getBBoxOrig ( ) const
inline

Definition at line 237 of file SIM_RawIndexField.h.

const UT_Vector3& SIM_RawIndexField::getBBoxSize ( ) const
inline

Definition at line 238 of file SIM_RawIndexField.h.

UT_VoxelBorderType SIM_RawIndexField::getBorder ( ) const
inline

Definition at line 147 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::getBorderValue ( ) const
inline

Definition at line 148 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::getIndex ( const UT_VoxelArrayIteratorF &  vit) const
inline

Definition at line 223 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::getMemoryUsage ( ) const
const UT_Vector3& SIM_RawIndexField::getOrig ( ) const
inline

Definition at line 235 of file SIM_RawIndexField.h.

SIM_FieldSample SIM_RawIndexField::getSample ( ) const
inline

Definition at line 240 of file SIM_RawIndexField.h.

void SIM_RawIndexField::getSamplePattern ( SIM_FieldSample  sample,
int  x,
int  y,
int  z,
int &  numsample,
int *  ix,
int *  iy,
int *  iz,
bool  clamp 
) const

Returns the set of samples in this field which correspond to the given location & sampling pattern. ix, iy, and iz should be size 8. If you want the deltas for the sampling pattern, call with x, y, z zero and clamp to false.

const UT_Vector3& SIM_RawIndexField::getSize ( ) const
inline

Definition at line 236 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::getValue ( const UT_Vector3 &  pos) const
fpreal SIM_RawIndexField::getVoxelDiameter ( ) const
inline

Definition at line 145 of file SIM_RawIndexField.h.

UT_Vector3I SIM_RawIndexField::getVoxelRes ( ) const

Returns the resolution of the voxel grid that we are sampling. This is a count of voxels, so may differ for our different sampling methods.

void SIM_RawIndexField::getVoxelRes ( int &  xres,
int &  yres,
int &  zres 
) const
const UT_Vector3& SIM_RawIndexField::getVoxelSize ( ) const
inline

Definition at line 141 of file SIM_RawIndexField.h.

void SIM_RawIndexField::getWorldOrigin ( int &  origx,
int &  origy,
int &  origz 
) const

Consistently compute a world origin for what world space 0,0,0 would map to. A bit tricky as we want to avoid round off if we line up to 0.5... This is not necessarily 0,0,0.

int SIM_RawIndexField::getXRes ( ) const
inline

Returns the actual number of samples in each resolution. Preferred over field()->getXRes() as it doesn't require a copy of the CE fields.

Definition at line 131 of file SIM_RawIndexField.h.

int SIM_RawIndexField::getYRes ( ) const
inline

Definition at line 132 of file SIM_RawIndexField.h.

int SIM_RawIndexField::getZRes ( ) const
inline

Definition at line 133 of file SIM_RawIndexField.h.

static sim_extrapelem SIM_RawIndexField::indexToElement ( const UT_VoxelArrayI &  U,
int  x,
int  y,
int  z 
)
staticprotected
bool SIM_RawIndexField::indexToPos ( int  x,
int  y,
int  z,
UT_Vector3 &  pos 
) const

Convert indices to world coordinates and vice-versa. Note this uses this field's indices which change depending on sampling.

bool SIM_RawIndexField::indexToPos ( exint  x,
exint  y,
exint  z,
UT_Vector3D &  pos 
) const
bool SIM_RawIndexField::indexToPos ( UT_Vector3I  index,
UT_Vector3 &  pos 
) const
UT_Vector3 SIM_RawIndexField::indexToPos ( UT_Vector3I  index) const
void SIM_RawIndexField::init ( SIM_FieldSample  sample,
const UT_Vector3 &  orig,
const UT_Vector3 &  size,
int  xres,
int  yres,
int  zres 
)

Initializes the field. The resolution given is in terms of voxels, the actual dimensions of this field may be slightly different due to the sampling choice.

void SIM_RawIndexField::init ( SIM_FieldSample  sample,
const UT_Vector3 &  orig,
const UT_Vector3 &  size,
int  xres,
int  yres,
int  zres,
const UT_Vector3 &  voxelsize 
)
void SIM_RawIndexField::init ( SIM_FieldSample  sample,
const UT_Vector3 &  orig,
const UT_Vector3 &  size,
UT_VoxelArrayI *  voxels,
const UT_Vector3 &  voxelsize 
)

Initializes the field. Will gain ownership of the given voxel array.

void SIM_RawIndexField::initConnectedComponentsPartial ( const SIM_RawIndexField &  idx,
const SIM_RawIndexField *  sliceindex,
int  thisslice,
const UT_JobInfo &  info 
)
protected
bool SIM_RawIndexField::isAligned ( const SIM_RawIndexField *  field) const

Returns true if the two fields are precisely aligned. This means that samples are matched so a given integer index into either field would give the same result.

bool SIM_RawIndexField::isAligned ( const SIM_RawField *  field) const
bool SIM_RawIndexField::isColocated ( const SIM_RawField *  field,
UT_Vector3I &  offset 
) const

Returns true if two fields have voxels aligned. They do not have to be of the same resolution or share origin. However, using the offset allows to access this field with index of the other field. i.e. field->indexToPos(index) == this->indexToPos(index + offset)

bool SIM_RawIndexField::isColocated ( const SIM_RawIndexField *  field,
UT_Vector3I &  offset 
) const
bool SIM_RawIndexField::isMatching ( const SIM_RawIndexField *  field) const

Returns true if the given field and this one match in terms of number of voxels and bounding box size. This means the voxel cells match - not necessarily the sample points!

bool SIM_RawIndexField::isMatching ( const SIM_RawField *  field) const
bool SIM_RawIndexField::isValidIndex ( int  x,
int  y,
int  z 
) const
inline

Returns true if the given x, y, z values lie inside the valid index.

Definition at line 153 of file SIM_RawIndexField.h.

void SIM_RawIndexField::makeConstant ( exint  cval)

Sets this field to a constant value.

void SIM_RawIndexField::match ( const SIM_RawField &  src)

Initialize this to be the same dimension and sampling patern as the given field.

void SIM_RawIndexField::match ( const SIM_RawIndexField &  src)
exint SIM_RawIndexField::maxIndex ( ) const
inline

Definition at line 233 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::operator() ( int  x,
int  y,
int  z 
) const
inline

Definition at line 219 of file SIM_RawIndexField.h.

const SIM_RawIndexField& SIM_RawIndexField::operator= ( const SIM_RawIndexField &  src)

Assigment operator:

bool SIM_RawIndexField::posToIndex ( UT_Vector3  pos,
int &  x,
int &  y,
int &  z 
) const

Converts a worldspace position into an integer index.

UT_Vector3I SIM_RawIndexField::posToIndex ( UT_Vector3  pos) const
void SIM_RawIndexField::setBorder ( UT_VoxelBorderType  border,
exint  bval 
)
inline

Definition at line 149 of file SIM_RawIndexField.h.

void SIM_RawIndexField::setVoxelSize ( const UT_Vector3 &  voxelsize)
inline

Definition at line 142 of file SIM_RawIndexField.h.

bool SIM_RawIndexField::shouldConnectIndices ( exint  idx1,
exint  idx2 
) const
protected

Determines if two indices should be connected using our empty cell merge rule.

bool SIM_RawIndexField::shouldMultiThread ( ) const
inline

Returns true if this should be multithreaded.

Definition at line 214 of file SIM_RawIndexField.h.

UT_VoxelArrayI* SIM_RawIndexField::steal ( )

Steals the voxel array, leaving this pointing to a 0 constant array.

SIM_RawIndexField::THREADED_METHOD1 ( SIM_RawIndexField  ,
shouldMultiThread()  ,
buildCollisionLookup  ,
const SIM_RawField *  ,
collision   
) const
SIM_RawIndexField::THREADED_METHOD1 ( SIM_RawIndexField  ,
shouldMultiThread()  ,
applyLookup  ,
const UT_VoxelArrayI &  ,
lut   
)
protected
SIM_RawIndexField::THREADED_METHOD1 ( SIM_RawIndexField  ,
shouldMultiThread()  ,
buildActiveLists  ,
const sim_buildActiveParms &  ,
parms   
)
protected
SIM_RawIndexField::THREADED_METHOD1 ( SIM_RawIndexField  ,
parms.elements->  entries(),
50  ,
extrapolateActiveElements  ,
const sim_extrapActiveParms &  ,
parms   
)
protected
SIM_RawIndexField::THREADED_METHOD3 ( SIM_RawIndexField  ,
shouldMultiThread()  ,
initConnectedComponents  ,
const SIM_RawIndexField &  ,
idx  ,
const SIM_RawIndexField *  ,
sliceindex  ,
int  ,
thisslice   
)
protected
SIM_RawIndexField::THREADED_METHOD4 ( SIM_RawIndexField  ,
tileoccupied.  entries(),
10  ,
uncompressActiveTiles  ,
UT_VoxelArrayI &  ,
closept  ,
UT_VoxelArrayI &  ,
newclosept  ,
UT_VoxelArrayF *  ,
dest  ,
const UT_ValArray< bool > &  ,
tileoccupied   
)
protected
SIM_RawIndexField::THREADED_METHOD4 ( SIM_RawIndexField  ,
elements.  entries(),
100  ,
applyExtrapolatedParticleToField  ,
const UT_ValArray< sim_extrapelem > &  ,
elements  ,
const GU_Detail *  ,
gdp  ,
SIM_RawField *  ,
dest  ,
const SIM_RawField::sim_particleToFieldParms &  ,
ptfparms   
)
protected
void SIM_RawIndexField::uncompressActiveTilesPartial ( UT_VoxelArrayI &  closept,
UT_VoxelArrayI &  newclosept,
UT_VoxelArrayF *  dest,
const UT_ValArray< bool > &  tileoccupied,
const UT_JobInfo &  info 
)
protected

Member Data Documentation

const UT_JobInfo& SIM_RawIndexField::info

Definition at line 190 of file SIM_RawIndexField.h.

UT_Vector3 SIM_RawIndexField::myBBoxOrig
protected

Definition at line 287 of file SIM_RawIndexField.h.

UT_Vector3 SIM_RawIndexField::myBBoxSize
protected

Definition at line 287 of file SIM_RawIndexField.h.

UT_VoxelArrayI* SIM_RawIndexField::myField
protected

Definition at line 278 of file SIM_RawIndexField.h.

exint SIM_RawIndexField::myMaxIndex
protected

Definition at line 280 of file SIM_RawIndexField.h.

UT_Vector3 SIM_RawIndexField::myOrig
protected

Definition at line 284 of file SIM_RawIndexField.h.

SIM_FieldSample SIM_RawIndexField::mySample
protected

Definition at line 279 of file SIM_RawIndexField.h.

UT_Vector3 SIM_RawIndexField::mySize
protected

Definition at line 284 of file SIM_RawIndexField.h.

fpreal SIM_RawIndexField::myVoxelDiameter
protected

Definition at line 291 of file SIM_RawIndexField.h.

UT_Vector3 SIM_RawIndexField::myVoxelSize
protected

Definition at line 290 of file SIM_RawIndexField.h.

The documentation for this class was generated from the following file: