Labs AV Texturing 5.0 geometry node

Texture the generated mesh using Alicevision.

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Parameters
Inputs
Examples

The objective of this step is to texture the generated mesh. The output of this node is a high-poly mesh with very basic UVs and textures. It is highly recommended to reproject the textures on a mesh with custom UVs. (For example using the Games Baker or Simple Baker)

Tip

The node allows you to provide a custom mesh to be textured in the second input. For example use the quad remesher to remesh the dense geometry produced by the meshing step and UV it using any of the UV tools. This generally produces better results than letting AV UV the geometry.

Parameters ¶

Main ¶

Cook

Start the cooking process for this step.

Manual Mode

This toggle controls if the node should automatically recook if any dependencies have changed.

Use Log

This toggle controls if the status of the current node should be printed to the console. This is useful for getting a quick overview of the progress.

Texturing ¶

Texture Side

Output texture size.

Texture Downscale

Texture downscale factor.

Texture File Type

Texture File Type.

Unwrap Method

Method to unwrap input mesh if it does not have UV coordinates. ' Basic (> 600k faces) fast and simple. Can generate multiple atlases.

' LSCM ( ≤ 600k faces): optimize space. Generates one atlas.

' ABF ( ≤ 300k faces): optimize space and stretch. Generates one atlas.

Fill Holes

Fill Texture holes with plausible values.

Flip Normals

Option to flip face normals. It can be needed as it depends on the vertices order in triangles and the convention change from one software to another.

Use UDIM UVs

Use UDIM UV mapping.

Padding

Texture edge padding size in pixels.

Best Score Threshold

(0.0 to disable filtering based on threshold to relative best score).

Angle Hard Threshold

(0.0 to disable angle hard threshold filtering)/

Force Visible By All Vertices

Triangle visibility is based on the union of vertices visibility.

Visibility Remapping Method

Method to remap visibilities from the reconstruction to the input mesh (Pull, Push, PullPush).

Use Custom Images for Texturing

Use images from a specific folder instead of those specify in the SfMData file. Filename should be the image uid.

Custom Texturing Images

Use images from a specific folder instead of those specify in the SfMData file. Filename should be the image uid.

Correct Exposure

Uniformize images exposure values.

Use Score

Use triangles scores for multiband blending.

Process Colorspace

Colorspace for the texturing internal computation (does not impact the output file colorspace).

Multi Band Downscale

Width of frequency bands for multiband blending.

Environment ¶

Environment

The environment used for launching the AliceVision utilities command line. Note that this is a python expression and should be modified only through “Edit Expression”.

Inputs ¶

Custom Mesh

Optionally provide a custom mesh to be textured in the second input. For example use the quad remesher to remesh the dense geometry produced by the meshing step and UV it using any of the UV tools. This generally produces better results than letting AV UV the geometry.

Examples ¶

Example File

Geometry nodes

APEX Add Groom

Adds a groom to an existing APEX Character.
APEX Add Wrinkles

Procedurally add a Wrinkle Deformer to an APEX rig
APEX Autorig Component

Procedurally adds a rig component to an APEX rig.
APEX Build FK Graph

Creates an FK rig APEX graph from skeleton geometry.
APEX Configure Character

Configures character-level properties of an APEX character.
APEX Configure Controls

Configures the look and behavior of controls on APEX rigs.
APEX Control Extract

Extracts APEX rig controls to a KineFX skeleton.
APEX Control Update Parms

Computes TRS parameters for an APEX rig from a KineFX skeleton.
APEX Edit Graph

Directly authors APEX graphs.
APEX Layout Graph

Lays out the nodes in an APEX graph.
APEX Map Character

Stores a reference on an APEX control to a point in a skeleton geometry.
APEX Merge Graph

Merges together two APEX graphs.
APEX Rigscript Component

Procedurally builds a rig script for deferred rig building.
APEX Scene Add Animation

Adds animation to a scene.
APEX Scene Add Character

Adds a new character to an animation scene.
APEX Scene Add Prop

Adds a prop with a single control to an animation scene.
APEX Scene Animate

Edits the animation on an APEX scene.
APEX Scene Invoke

Fetches the results from an APEX scene evaluation.
Adapt to Terrain

Adapts a character’s skeleton to conform to terrain.
Adaptive Prune

Removes elements while trying to maintain the overall appearance.
Add

Creates Points or Polygons, or adds points/polys to an input.
Agent

Creates agent primitives.
Agent Animation Unpack

Extracts animation or MotionClips from an agent primitive.
Agent Character Unpack

Extracts the rest geometry, skeleton, and animation from an agent primitive.
Agent Clip

Adds new clips to agent primitives.
Agent Clip Properties

Defines how agents' animation clips should be played back.
Agent Clip Transition Graph

Creates geometry describing possible transitions between animation clips.
Agent Collision Layer

Creates a new agent layer that is suitable for collision detection.
Agent Configure Joints

Creates point attributes that specify the rotation limits of an agent’s joints.
Agent Constraint Network

Builds a constraint network to hold an agent’s limbs together.
Agent Definition Cache

Writes agent definition files to disk.
Agent Edit

Edits the properties of agent primitives.
Agent Layer

Adds new shapes and layers to an agent primitive.
Agent Look At

Adjusts the agent’s skeleton to look at a target.
Agent Metadata

Adds custom data to an agent definition.
Agent Pose from Rig

Updates an agent primitive’s pose from a geometry skeleton.
Agent Prep

Adds various common point attributes to agents for use by other crowd nodes.
Agent Proxy

Provides simple proxy geometry for an agent.
Agent Relationship

Creates parent-child relationships between agents.
Agent Terrain Adaptation

Adapts agents' legs to conform to terrain and prevent the feet from sliding.
Agent Transform Group

Adds new transform groups to agent primitives.
Agent Unpack

Extracts geometry from agent primitives.
Agent Vellum Unpack

Extracts geometry from agent primitives for a Vellum simulation.
Agent from Rig

Creates an agent primitive from a geometry skeleton.
Alembic

Loads the geometry from an Alembic scene archive (.abc) file into a geometry network.
Alembic Group

Creates a geometry group for Alembic primitives.
Alembic Primitive

Modifies intrinsic properties of Alembic primitives.
Alembic ROP output driver
Assemble

Cleans up a series of break operations and creates the resulting pieces.
Association Select

Select a single association from a set of associations
Attach Joint Geometry

Creates control geometry for SOP-based KineFX rigs.
Attribute Adjust Array

Modifies array attribute values.
Attribute Adjust Color

Modifies values for a vector-type color attribute on the incoming geometry.
Attribute Adjust Dictionary

Modifies dictionary attribute values.
Attribute Adjust Float

Modifies floating point attribute values on the incoming geometry.
Attribute Adjust Integer

Modifies integer attribute values on the incoming geometry.
Attribute Adjust Vector

Modifies values for a vector-type attribute on the incoming geometry.
Attribute Blur

Blurs out (or relaxes) points in a mesh or a point cloud.
Attribute Cast

Changes the size/precision Houdini uses to store an attribute.
Attribute Combine

Combines multiple attributes into a new attribute.
Attribute Composite

Composites vertex, point, primitive, and/or detail attributes between two or more selections.
Attribute Copy

Copies attributes between groups of vertices, points, or primitives.
Attribute Create

Adds or edits user defined attributes.
Attribute Delete

Deletes point and primitive attributes.
Attribute Expression

Allows simple VEX expressions to modify attributes.
Attribute Fade

Fades a point attribute in and out over time.
Attribute Fill

A low-level node that can solve combinatorial versions of some partial differential equations on an edge-connected point cloud.
Attribute From Pieces

Assigns an attribute to points specifying which of a set of models should be copied/instanced to that point, randomly or based on various rules.
Attribute Interpolate

Interpolates attributes within primitives or based on explicit weights.
Attribute Mirror

Copies and flips attributes from one side of a mirror to the other side.
Attribute Noise

Adds or generates noise in geometry attributes.
Attribute Paint

Interactively paint point attributes, such as color or deformation mask values, directly on geometry.
Attribute Promote

Promotes or demotes attributes from one geometry level to another.
Attribute Randomize

Generates random attribute values of various distributions.
Attribute Remap

Fits an attribute’s values to a new range.
Attribute Rename

Renames or deletes point and primitive attributes.
Attribute Reorient

Modifies point attributes based on differences between two models.
Attribute String Edit

Edits string attribute values.
Attribute Swap

Copies, moves, or swaps the contents of attributes.
Attribute Transfer

Transfers vertex, point, primitive, and/or detail attributes between two models.
Attribute Transfer by UV

Transfers attributes between two geometries based on UV proximity.
Attribute Transform Compute

Computes transform matrices using vector and matrix point attributes.
Attribute Transform Extract

Decomposes transform point attributes into their component pieces and applies an Euler filter to the rotation component
Attribute VOP

Runs a VOP network to modify geometry attributes.
Attribute Wrangle

Runs a VEX snippet to modify attribute values.
Attribute from Map

Samples texture map information to a point attribute.
Attribute from Parameters

Creates a dictionary attribute filled with parameter values.
Attribute from Volume

Copies information from a volume onto the point attributes of another piece of geometry, with optional remapping.
Bake ODE

Converts primitives for ODE and Bullet solvers.
Bake Volume

Computes lighting values within volume primitives
Ballistic Path

Generates ballistic projectile paths from the incoming points.
Bend

Applies deformations to captured geometry such as bend, twist, taper, and squash/stretch.
Blast

Deletes primitives, points, edges or breakpoints.
Blend Shapes

Computes a 3D metamorphosis between shapes with the same topology.
Block Begin

The start of a looping block.
Block Begin Compile

The start of a compile block.
Block End

The end/output of a looping block.
Block End Compile

The end/output of a compile block.
Bone Capture

Supports Bone Deform by assigning capture weights to bones.
Bone Capture Biharmonic

Supports Bone Deform by assigning capture weights to points based on biharmonic functions on tetrahedral meshes.
Bone Capture Lines

Utility node that supports Bone Capture Biharmonic by creating lines from bones with suitable attributes.
Bone Capture Proximity

Supports Bone Deform by assigning capture weights to points based on distance to bones.
Bone Deform

Uses capture attributes created from bones to deform geometry according to their movement.
Bone Link

Creates default geometry for Bone objects.
Boolean

Combines two polygonal objects with boolean operators, or finds the intersection lines between two polygonal objects.
Boolean Fracture

Fractures the input geometry using cutting surfaces.
Bound

Creates a bounding box, sphere, or rectangle for the input geometry.
Box

Creates a cube or six-sided rectangular box.
Bulge

Deforms the points in the first input using one or more magnets from the second input.
COP Network

Imports COP network layers as geometry.
COP Preview Material

Applies a preview material to geometry.
COP2 Network

Imports 2d geometry from a Composite network.
Cache

Records and caches its input geometry for faster playback.
Cache If

Chooses whether to cook the input or re-use cached output based on configurable conditions.
Capture Attribute Pack

Converts array attributes into a single index-pair capture attribute.
Capture Attribute Unpack

Converts a single index-pair capture attribute into per-point and detail array attributes.
Capture Correct

Adjusts capture regions and capture weights.
Capture Layer Paint

Lets you paint capture attributes directly onto geometry.
Capture Mirror

Copies capture attributes from one half of a symmetric model to the other.
Capture Override

Overrides the capture weights on individual points.
Capture Packed Geometry

Rigidly capture input packed geometry to a SOP skeleton.
Capture Region

Supports Capture and Deform operation by creating a volume within which points are captured to a bone.
Carve

Slices, cuts or extracts points or cross-sections from a primitive.
Chain

Repeats one or more pieces of geometry along a curve.
Channel

Reads sample data from a chop and converts it into point positions and point attributes.
Channel Primitives from MotionClip

Generates a collection of channel primitives from a MotionClip geometry.
Character Blend Shape Channels

Creates node parameters and/or detail attributes on the character’s skeleton to drive its blend shapes.
Character Blend Shapes

Applies blend shapes to a KineFX character’s geometry using the weight attributes on its skeleton.
Character Blend Shapes Add

Adds blend shapes to a character’s skin geometry.
Character Blend Shapes Extract

Outputs one of a character mesh’s blend shapes.
Character I/O

Packs Character mesh, capture pose and animation, saves them to disk, and loads them back again.
Character Pack

Creates a packed geometry primitive from a rest geometry, skeleton, and animation inputs.
Character Unpack

Extracts the rest geometry, skeleton, and animation from an packed geometry primitive.
Circle

Creates open or closed arcs, circles and ellipses.
Circle Spline

Evaluate and resample blended interpolating splines defined by one or more control polygons.
Circle from Edges

Transforms selected geometry into a circle.
Clean

Helps clean up dirty models.
Clip

Removes or groups geometry on one side of a plane, or creases geometry along a plane.
Cloth Capture

Captures low-res simulated cloth.
Cloth Deform

Deforms geometry captured by the Cloth Capture SOP.
Cloud Adjust Density Profile

Controls the volume density based on a signed distance field.
Cloud Billowy Noise

Applies a billowy cloud like displacement noise to a fog volume.
Cloud Clip

Splits a fog volume in half using a clipping plane.
Cloud Light

Fills a volume with a diffuse light.
Cloud Noise

Applies a cloud like noise to a Fog volume.
Cloud Shape Generate

Creates primitive spheres used to model cumulus cloud-like shapes.
Cloud Shape Replicate

Generates primitive spheres used to model cumulus cloud-like shapes around existing primitive spheres.
Cloud Shape from Intersection

Creates primitive spheres used to model cumulus cloud-like shapes at geometry intersection.
Cloud Shape from Line

Creates primitive spheres used to model cumulus cloud-like shapes around a line primitive.
Cloud Shape from Polygon

Fills a polygonal mesh with adaptively-sized primitive spheres used to model cumulus cloud-like shapes.
Cloud Wispy Noise

Applies thin feathery like fine displacement noise to a fog volume.
Cluster

Low-level machinery to cluster points based on their positions (or any vector attribute).
Cluster Points

Higher-level node to cluster points based on their positions (or any vector attribute).
Collision Source

Creates geometry and VDB volumes for use with DOPs collisions.
Color

Adds color attributes to geometry.
Comb

Adjust surface point normals by painting.
Compute Rig Pose

Evaluates a multiparm of transform parameters and applies them to the input skeleton.
Compute Transform

Recomputes world space or local space transforms for points in a hierarchy.
Configure Clip Info

Edits properties of a skeleton animation or motion clip.
Configure Joint Limits

Configures joint rotation and translation limits.
Configure Joints

Configures joint properties like local center of mass and transformation limits and creates a center of mass joint.
Configure Rig Vis

Determines which input skeleton components are visible for a KineFX character.
Connect Adjacent Pieces

Creates lines between nearby pieces.
Connectivity

Creates an attribute with a unique value for each set of connected primitives or points.
Control

Creates simple geometry for use as control shapes.
Convert

Converts geometry from one geometry type to another.
Convert HeightField

Converts a 2D height field to a 3D VDB volume, polygon surface, or polygon soup surface.
Convert Line

Converts the input geometry into line segments.
Convert Meta

Polygonizes metaball geometry.
Convert Tets

Generates the oriented surface of a tetrahedron mesh.
Convert VDB

Converts sparse volumes.
Convert VDB Points

Converts a Point Cloud into a VDB Points Primitive, or vice versa.
Convert Volume

Converts the iso-surface of a volume into a polygonal surface.
Convex Decomposition

Decomposes the input geometry into approximate convex segments.
Copy and Transform

Copies geometry and applies transformations to the copies.
Copy to Curves

Copies geometry in the first input onto curves of the second input.
Copy to Points

Copies geometry in the first input onto the points of the second input.
Crease

Manually adds or removes a creaseweight attribute to/from polygon edges, for use with the Subdivide SOP.
Cross Section Surface

Creates a surface around cross sections.
Crowd Assign Layers

Assigns layers to a crowd to produce geometry variations.
Crowd MotionPath

Creates motion paths from a crowd’s animation clips or a simulation.
Crowd MotionPath Avoid

Deforms motion paths to avoid other agents and obstacles.
Crowd MotionPath Edit

Deforms motion paths to match target positions.
Crowd MotionPath Evaluate

Evaluates motion paths at a specific frame.
Crowd MotionPath Follow

Deforms motion paths to follow guiding curves.
Crowd MotionPath Layer

Layers additional animation clips onto an agent’s motion path.
Crowd MotionPath Retime

Adjusts the timing of motion paths.
Crowd MotionPath Transition

Blends an agent’s motion path into a new animation clip.
Crowd MotionPath Trigger

Defines a trigger that can be used to activate transitions between animation clips.
Crowd Source

Populates a crowd of agent primitives.
Curve

Lets you interactively draw Bézier curves using tools similar to 2D illustration programs, as well as polylines and NURBS.
Curve Intersect

Finds the intersections (or points of minimum distance) between two or more curves or faces.
DOP Import

Imports geometry or transforms from a DOP simulation.
DOP Import Fields

Imports scalar and vector fields from a DOP simulation.
DOP Import Records

Imports option and record data from DOP simulations into points with point attributes.
DOP Network
Debris Source

Generates point emission sources for debris, pyro, or particle sources from separating fractured rigid body objects.
Deformation Wrangle

Runs a VEX snippet to deform geometry.
Delete

Deletes input geometry by group, entity number, bounding volume, primitive/point/edge normals, and/or degeneracy.
Delete Joints

Delete Joints on a SOP Rig.
DeltaMush

Smooths out (or relaxes) point deformations.
Dem Bones Skinning Converter

Converts any non-changing topology deforming mesh sequence into a bone-based animation.
Detangle

Attempts to prevent collisions when deforming geometry.
Dissolve

Removes edges from the input polygonal geometry merging polygons with shared edges.
Distance along Geometry

Measures the distance of the shortest path along the geometry’s edges or surfaces from each start point.
Distance from Geometry

Measures distance between each point and a reference geometry.
Distance from Target

Measures distance of each point from a target.
Divide

Divides, smooths, and triangulates polygons.
Draw Curve

Creates a curve based on user input in the viewport.
Draw Guides
Dynamic Warp

Dynamically Time-warps the first input (the Source) using the second input (the Reference) as a reference.
Each

Culls the input geometry according to the specifications of the For Each SOP.
Edge Collapse

Collapses edges and faces to their centerpoints.
Edge Cusp

Sharpens edges by uniquing their points and recomputing point normals.
Edge Divide

Inserts points on the edges of polygons and optionally connects them.
Edge Equalize

Transforms selected edges so that all edges are of equal length.
Edge Flip

Flips the direction of polygon edges.
Edge Fracture

Cuts geometry along edges using guiding curves.
Edge Straighten

Straightens selected edges.
Edge Transport

Copies and optionally modifies attribute values along edges networks and curves.
Edit

Edits points, edges, or faces interactively.
Ends

Closes, opens, or clamps end points.
Enumerate

Sets an attribute on selected points or primitives to sequential numbers or strings.
Error

Generates a message, warning, or error, which can show up on a parent asset.
Exploded View

Pushes geometry out from the center to create an exploded view.
Export Object Transforms

Export transform attributes to object nodes.
Extract Centroid

Computes the centroid of each piece of the geometry.
Extract Locomotion

Extracts translation and orientation from a character using a given input joint.
Extract Point from Curve

Creates new points where an interpolated attribute has a certain value on a curve.
Extract T-Pose

Extracts the t-pose position from the input bone, muscle, or tissue geometry.
Extract Transform

Computes the best-fit transform between two pieces of geometry.
Extrude

Extrudes geometry along a normal.
Extrude Volume

Extrudes surface geometry into a volume.
FBIK Configure Targets

Configures joint properties used by full-body inverse kinematics solvers.
FBX Animation Import

Import animation from an FBX file as a geometry-based skeleton.
FBX Character Import

Import a skinned character from an FBX file with animation.
FBX Skin Import

Import skin geometry from an FBX file.
FEM Deform

Deforms a solid piece of geometry (tetrahedral mesh) using the FEM quasistatic solver.
FEM Validate

Visualizes the quality of a tetrahedral mesh.
FEM Visualize
FK Transfer

Transfer forward kinematic motion to a SOP-based skeleton
FLIP Boundary

Creates a surface or density VDB for sourcing or deleting SOP FLIP fluid particles.
FLIP Collide

Converts connected geometry and volumes into collision object for SOP FLIP fluids.
FLIP Container

Creates a domain for a SOP FLIP fluid simulation.
FLIP Solver

Evolves an object as a FLIP fluid object inside a SOP network.
FLIP Source

Creates a surface or density VDB for sourcing FLIP simulations.
FLIP Volume Combine

Combine FLIP fields of different resolutions.
Facet

Controls the smoothness of faceting of a surface.
Feather Barb Tangents

Computes tangent space information for the surface spanned by barbs.
Feather Barb Transform

Transform barb vectors between feather space and object space.
Feather Clump

Clumps/Splits the barbs of a feather.
Feather Deform
Feather Deintersect

Moves intersecting feathers apart.
Feather Instance Pool

Creates a feather primitive for each combination of template weights found in the input curves.
Feather Match Uncondensed

Transfers attributes from uncondensed (expanded) feathers to single-curve feathers.
Feather Minimum Distance

Finds the closest point to each barb point on another geometry.
Feather Noise

Adds noise to the barbs of a feather. The noise amount can be controlled separately along each axis (along normal, tangent, or bitangent).
Feather Normalize

Normalizes the length and straightens feathers.
Feather Primitive

Generates feather primitives (Agent primitives with GPU-skinning).
Feather Ray

For each point on a feather, find the closest point on some other geometry.
Feather Resample

Resamples the shaft or barbs of a feather.
Feather Shape Organize

Organizes loosely drawn curves by name, so they can be input into Feather Template from Shape.
Feather Surface

Converts feather primitives to polygon surfaces.
Feather Surface Blend

Makes feather follow the curvature of a polygon mesh.
Feather Template Assign

Assigns feather templates from the second input to curves in the first input.
Feather Template Interpolate

Blends the barb values of a set of template curves.
Feather Template from Shape

Generates a feather template from shape curves.
Feather Uncondense

Expands the virtual barbs on feather curves to real curve primitives.
Feather Utility

Provides a collection of helpful functions for working with feather curves.
Feather Visualize

Changes the visualization of feathers in the viewport.
Feather Width

Sets the curve widths of feather shaft and barbs.
Fiber Groom

Defines the fiber direction vector for input solid muscle geometry.
Filament Advect

Evolves polygonal curves as vortex filaments.
File

Reads, writes, or caches geometry on disk.
File Cache

Caches (writes out once and then reads from) geometry (possibly animated) to disk.
File Cache

Caches (writes out once and then reads from) geometry (possibly animated) to disk.
File Merge

Reads and collates data from disk.
Filmbox FBX ROP output driver
Find Instances

Find instances of the same geometry pieces and replace them with packed geometry instances.
Find Shortest Path

Finds the shortest paths from start points to end points, following the edges of a surface.
Flatten

Flattens 3D geometry onto a plane.
Fluid Compress

Compresses the output of fluid simulations to decrease size on disk
Font

Creates 3D text from Type 1, TrueType and OpenType fonts.
Force

Uses a metaball to attract or repel points or springs.
Fractal

Creates jagged mountain-like divisions of the input geometry.
Franken Muscle

Assigns multiple muscle_id identities within a single muscle geometry.
Franken Muscle Paint

Modifies muscle_id identities within a Franken Muscle using a paint interface.
Full Body IK

Transfer a motion to a SOP-based skeleton using full-body inverse kinematics algorithm.
Fur

Creates a set of hair-like curves across a surface.
Fuse

Merges or snaps points.
Glue Cluster

Adds strength to a glue constraint network according to cluster values.
Grain Source

Generates particles to be used as sources in a particle-based grain simulation.
Graph Color

Assigns a unique integer attribute to non-touching components.
Grid

Creates planar geometry.
Groom Blend

Blends the guides and skin of two grooms.
Groom Fetch

Fetches groom data from grooming objects.
Groom Pack

Packs the components of a groom into a set of named Packed Primitives for the purpose of writing it to disk.
Groom Switch

Switches between all components of two groom streams.
Groom Unpack

Unpacks the components of a groom from a packed groom.
Group

Generates groups of points, primitives, edges, or vertices according to various criteria.
Group Combine

Combines point groups, primitive groups, or edge groups according to boolean operations.
Group Copy

Copies groups between two pieces of geometry.
Group Delete

Deletes groups of points, primitives, edges, or vertices according to patterns.
Group Expand

Expands or shrinks groups of Edges, Points, Primitives, or Vertices.
Group Expression

Runs VEX expressions to modify group membership.
Group Find Path

Constructs groups for paths between elements.
Group Invert

Invert point, primitive, edge, or vertex groups.
Group Joints

Group Joints on a SOP Rig.
Group Paint

Sets group membership interactively by painting.
Group Promote

Converts point, primitive, edge, or vertex groups into point, primitive, edge, or vertex groups.
Group Range

Groups points and primitives by ranges.
Group Rename

Renames groups according to patterns.
Group Transfer

Transfers groups between two pieces of geometry, based on proximity.
Group by Lasso

Groups points and primitives by lasso.
Group from Attribute Boundary

Creates a group that includes the boundaries of the specified attribute.
Groups from Name

Creates group for each unique name and adds elements to that group.
Guide Advect

Advects guide points through a velocity volume.
Guide Collide With VDB

Resolves collisions of guide curves with VDB signed distance fields.
Guide Deform

Deforms geometry with an animated skin and optionally guide curves.
Guide Groom

Interactively creates and modifies guide curves.
Guide Group

Creates standard primitive groups used by grooming tools.
Guide Initialize

Quickly give hair guides some initial direction.
Guide Interpolation Mesh

Given a set of guide curves and a skin mesh, generates a mesh that can be used to interpolate guide curve influences at any point.
Guide Mask

Creates masking attributes for other grooming operations.
Guide Partition

Creates and prepares parting lines for use with hair generation.
Guide Process

Modifies guide or hair using one or more operations.
Guide Skin Attribute Lookup

Looks up skin geometry attributes under the root point of guide curves.
Guide Tangent Space

Constructs a coherent tangent space along a curve.
Guide Transfer

Transfer hair guides between geometries.
Hair Card Generate

Converts dense hair curves to a polygon card, keeping the style and shape of the groom.
Hair Clump

Clumps guide curves together.
Hair Generate

Generates hair on a surface or from points.
Hair Growth Field

Generates a velocity field based on stroke primitives.
Heat Geodesic

Measures the distance of each point to a group of source points along a polygonal surface.
HeightField

Generates an initial heightfield volume for use with terrain tools.
HeightField Blur

Blurs a terrain height field or mask.
HeightField Clip

Limits height values to a certain minimum and/or maximum.
HeightField Copy Layer

Creates a copy of a height field or mask.
HeightField Crop

Extracts a square of a certain width/length from a larger height volume, or resizes/moves the boundaries of the height field.
HeightField Cutout by Geometry

Creates a cutout on a terrain based on geometry.
HeightField Deform

Deforms geometry by a changing HeightField
HeightField Distort by Layer

Displaces a height field by another field.
HeightField Distort by Noise

Advects the input volume through a noise pattern to break up hard edges and add variety.
HeightField Draw Mask

Lets you draw shapes to create a mask for height field tools.
HeightField Erode

Calculates thermal and hydraulic erosion over time (frames) to create more realistic terrain.
HeightField Erode Hydro

Simulates the erosion from one heightfield sliding over another for a short time.
HeightField Erode Precipitation

Distributes water along a heightfield. Offers controls for adjusting the intensity, variability, and location of rainfall.
HeightField Erode Thermal

Calculates the effect of thermal erosion on terrain for a short time.
HeightField File

Imports a 2D image map from a file or compositing node into a height field or mask.
HeightField Flatten

Flattens a masked region of a heightfield terrain.
HeightField Flow Field

Generates flow and flow direction layers according to the input height layer.
HeightField Isolate Layer

Copies another layer over the mask layer, and optionally flattens the height field.
HeightField Layer

Composites together two height fields.
HeightField Layer Clear

Sets all values in a heightfield layer to a fixed value.
HeightField Layer Properties

Sets the border voxel and compression policies on a height field volume.
HeightField Mask by Feature

Creates a mask based on different features of the height layer.
HeightField Mask by Geometry

Creates a mask based some other geometry.
HeightField Mask by Occlusion

Creates a mask where the input terrain is hollow/depressed, for example riverbeds and valleys.
HeightField Noise

Adds vertical noise to a height field, creating peaks and valleys.
HeightField Output

Exports height and/or mask layers to disk as an image.
HeightField Paint

Lets you paint values into a height or mask field using strokes.
HeightField Patch

Patches features from one heightfield to another.
HeightField Pattern

Adds displacement in the form of a ramps, steps, stripes, Voronoi cells, or other patterns.
HeightField Project

Projects 3D geometry into a height field.
HeightField Quick Shade

Applies a material that lets you plug in textures for different layers.
HeightField Remap

Remaps the values in a height field or mask layer.
HeightField Resample

Changes the resolution of a height field.
HeightField Scatter

Scatters points across the surface of a height field.
HeightField Slump

Simulates loose material sliding down inclines and piling at the bottom.
HeightField Terrace

Creates stepped plains from slopes in the terrain.
HeightField Tile Splice

Stitches height field tiles back together.
HeightField Tile Split

Splits a height field volume into rows and columns.
HeightField Transform

Height field specific scales and offsets.
HeightField Visualize

Visualizes elevations using a custom ramp material, and mask layers using tint colors.
Hole

Makes holes in surfaces.
IK Chains

Creates and evaluates Two-Bone IK solvers on a SOP skeleton.
Inflate

Deforms the points in the first input to make room for the inflation tool.
Instance

Instances Geometry on Points.
Intersection Analysis

Creates points with attributes at intersections between a triangle and/or curve mesh with itself, or with an optional second set of triangles and/or curves.
Intersection Stitch

Composes triangle surfaces and curves together into a single connected mesh.
Invoke Compiled Block

Processes its inputs using the operation of a referenced compiled block.
Invoke Graph

Processes its inputs using operations defined by a geometry graph.
IsoOffset

Builds an offset surface from geometry.
Join

The Join op connects a sequence of faces or surfaces into a single primitive that inherits their attributes.
Joint Capture Biharmonic

Captures skin geometry to a SOP skeleton for use with Joint Deform.
Joint Capture Paint

Lets you paint capture weights directly onto geometry.
Joint Capture Proximity

Supports Joint Deform by assigning capture weights to points based on distance to joints.
Joint Deform

Perform skin deformation from KineFX skeleton animation.
Kelvin Wakes Deformer

Deforms input geometry in the shape of water wakes that form behind objects moving at a constant speed.
L-System

Creates fractal geometry from the recursive application of simple rules.
LOP Import
Labs 2D Wave Function Collapse

The main WFC node: The solver.
Labs AV Analyze Images

Match all features between candidate image pairs using Alicevision.
Labs AV Depth Map

Retrieves the depth value of each pixel from the cameras using Alicevision.
Labs AV Initialize

Configure which images to process using Alicevision.
Labs AV Meshing

Creates a dense geometric surface representation of the scene using Alicevision.
Labs AV Photogrammetry

The complete Alicevision photogrammetry pipeline.
Labs AV Structure from Motion

Detects 3D points with position and orientation and calibrate the cameras accordingly using Alicevision.
Labs AV Texturing

Texture the generated mesh using Alicevision.
Labs Align and Distribute

Spread a collection of shapes along an axis or grid.
Labs Attribute Value Replace

Allows you to replace attribute values with others.
Labs Auto UV

Automatically Generates UV Attributes
Labs Automatic Trim Texture

Automatic Trim Texturing node.
Labs Biome Attributes Evolve (Alpha)

Evolve all the attributes on the terrain to create more realistic results.
Labs Biome Attributes to Terrain

Assign the base biome attributes onto the terrain
Labs Biome Curve Label (Alpha)

This node sets the necessary attributes on curves created in Houdini to use with Labs Biome Region Assign SOP.
Labs Biome Curve Setup (Beta)

This node sets the necessary attributes on curves created in Houdini to use with Labs Biome Initialize SOP.
Labs Biome Define

Define the biome attributes.
Labs Biome Definitions File

This node reads biome information from the disk file or writes to the disk file from input Biome Define SOP nodes.
Labs Biome Initialize (Beta)

Processes input terrain types and creates biome regions, assigning necessary biome attributes and data used by the suite of biome tools.
Labs Biome Plant Define (Alpha)

Defines the plant attributes for the Biome Toolset.
Labs Biome Plant Definitions File

This node reads plant information from the disk file or writes to the disk file from input Biome Plant Define SOP nodes.
Labs Biome Plant Scatter (Alpha)

Scatters plant species points across the surface of an input heightfield by matching input plant types with their preferred environmental conditions.
Labs Biome Profile (Beta)

An interface to change underlying biome parameters and related settings of the Labs Biome system.
Labs Boolean Curve

Does a boolean on a polycurve.
Labs Box Clip

Clip geometry to a resizable box region.
Labs Boxcutter

Viewport interactive boolean for hardsurface modeling.
Labs Building Generator

Converts low-resolution blockout geometry into detailed buildings using a library of user defined modules.
Labs Building Generator Utility

Create base modules to use with the building generator, as well as override base module behavior.
Labs Building from Patterns

Creates buildings from blockout geometry defined by a pattern of floor modules.
Labs CSV Exporter

Export geometry attibutes to a CSV file.
Labs Cable Generator

Creates and simulates cables based on curve or geometry input.
Labs Calculate Slope

Calculate the slope of a surface by comparing to a direction, and optionally blur and remap the result.
Labs Calculate Thickness

Vertex Based Thickness Calculation
Labs Calculate UV Distortion

Calculate UV distortion of a piece of geometry
Labs Chaotic Shapes

Generates different chaotic maps.
Labs Clean Seams

Removes from an edge group all the edges that are not borders between different primitive islands identified by an island attribute.
Labs Color Blend

Blends Color data on 2 separate meshes based on common algorithms
Labs Connectivity and Segmentation

This node segments geometry based on connectivity, UV islands, proximity clustering, and custom attributes. This is very useful when paired with the multithreaded functionality of compile blocks.
Labs Cook with Timeout

Documentation coming soon…
Labs Coord Swizzle Quaternion

Swizzles Quaternions in order to change rotation spaces
Labs Coord Swizzle Vector

Reorders Vector Components
Labs Curve Branches

Scatters curves over curves, with many intuitive controls to go from clean geometric branches to organic vines. Duplicates of this sop can be chained together for recursive growth, approximating the look of L-Systems but much more controllable.
Labs Curve Resample by Density

Redistributes curve points based on density.
Labs Cylinder Generator

Create a tube from a curve, with UVs and normals.
Labs Decal Projector

Project a decal (localized piece of geometry and a texture) onto geometry.
Labs Delete Small Parts

Removes pieces based on connectivity and size
Labs Delight

Remove light and shadow variation from photogrammetry textures.
Labs Destruction Cleanup

Prepare rigid body simulation results for export, reducing redundant geometry, cleaning normals, cleaning attributes.
Labs Detail Mesh

The Detail Mesh SOP allows you to project a so called detail mesh onto template geometry.
Labs Dirt Skirt

Create a geometry 'skirt' where an object and ground plane intersect, to be used as a soft blend in a game engine.
Labs Disc Generator

Create a polygon disc with uvs
Labs Dissolve Flat Edges

Remove edges on flat surfaces.
Labs Distance From Border

Calculates the distance for each point from the nearest unshared edge
Labs Edge Color

Color sharp edges on geometry
Labs Edge Damage

Adding procedural damage on inputs
Labs Edge Group To Curve

Converts an Edge Group to a Poly Curve
Labs Edge Group to Polylines

Converts edge groups to polylines.
Labs Edge Smooth

Smooth an edge-group found in input geometry.
Labs Export UV Wireframe

Allows you to export the UV wireframe for texturing
Labs Extract Borders

Extract curves from Meshes
Labs Extract Filename

Utility SOP to store the filename of a file SOP as its detail attributes to be then used in other SOPs.
Labs Extract Silhouette

Create an outline of an object projected from either an axis, or from a camera.
Labs FBX Archive Import

Import an FBX as an archive similar to how the Alembic Archive sop works.
Labs Fast Remesh

This node performs Houdini’s native remeshing operation on partitioned geometry, processing each piece in parallel which greatly reduces the calculation time of traditional remeshing.
Labs Flowmap

This utility tool sets up a flowmap template on your input geometry.
Labs Flowmap Obstacle

The flowmap obstacle SOP allows for easy modifications on the flowmap based on geometry.
Labs Flowmap Shader

The flowmap SHOP is a GLSL based viewport shader to preview flowmap shaders.
Labs Flowmap Visualize

A high quality realtime preview of a flowmap texture in the Houdini viewport.
Labs Flowmap to Color

The flowmap to color SOP converts the flowmap data to vertex colors
Labs Gaea Tor Processor

Runs Gaea .TOR files from inside Houdini.
Labs GameRes

Full Pipeline Node to Take High Res Models to Low Res
Labs Games Baker

Generate Textures based on a High Poly to Low Poly match
Labs Gas Expand from Temperature

Creates divergence from temperature change.
Labs Gas Flamefront

A simple flamefront combustion model.
Labs GoZ Export

Sends Houdini Mesh data automatically to Zbrush
Labs GoZ Import

Contains GoZ data sent from Zbrush
Labs Group Curve Corners

Creates Groups for Inside and Outside corner points
Labs Group Invert

Invert any number of specified groups
Labs Group by Attribute

Converts Attributes to Groups
Labs Group by Measure

Allows for grouping geometry based on properties that can be measured
Labs Guide Flowmap

The Guide Flowmap modifies a flowmap based on a guide curve.
Labs HF Combine Masks

Simplifies the process of blending masks together in Heightfields
Labs HF Insert Mask

Allows you to insert a layer from another heightfield.
Labs Houdini Icon

Geometric representation for Houdini icon
Labs Impostor Camera Rig

This OBJ sets up a camera rig to be used with the Impostor Texture ROP
Labs Impostor Texture

The impostor tool creates texture sheets to fake 3D objects in your game engine.
Labs Inside Face UVs

Create UV’s for inside faces of Voronoi fractured geometry.
Labs Instance Attributes

Summary.
Labs Instant Meshes

This tool allows you to run geometry through InstantMeshes and generate a quad mesh.
Labs LOD Create

The LOD Create SOP allows for easy LOD generation.
Labs LOD Hierarchy

Create and export an LOD Hierarchy as FBX
Labs Lightning

Generate lightning effect around meshes
Labs Loop Volume

Takes one or two input volume sequences and creates a seamlessly looping volume animation.
Labs Loops from Selection

Finds edge loops or quad loops from manually or procedurally selected start edges.
Labs Lot Subdivision

Divide polygons into panels
Labs Make Loop

Takes a mesh or volume that is animated and loops them.
Labs Mandelbulb Generator

Generates Mandelbulb geometry.
Labs Maps Baker

Generates textures bakes from a high resolution to low resolution model at near interactive speeds.
Labs Material to Override

Generates material_override attributes per primitive based on the assigned material.
Labs Measure Curvature

Measures the convex and concave curvature of a model.
Labs Merge Small Islands

Consolidates Small UV Islands into Larger Neighbors
Labs Merge Splines

Merges disconnected Polylines together like the Polypath Sop, cutting them at intersections. But with specified conditions, while preserving and merging attributes and groups.
Labs Mesh Sharpen

Sharpens the geometry based on curvature
Labs Mesh Slice

Clips the geometry into multiple submeshes based on a 3d grid pattern
Labs Mesh Tiler

Makes packed geometry lying on a plane tileable.
Labs Min Max Average

Multiple Min/Max/Average analysis in a single node.
Labs Motionvector Shader

Viewport shader for motion vector textures
Labs Multi Bounding Box

Generate Several Bounding Boxes For the Input Mesh
Labs Name from Capture Weight

Detects what the bone name of the highest skinning weight influence is.
Labs Niagara ROP

Export point caches to be used with Unreal’s Niagara particle system.
Labs OBJ Importer

Import an OBJ File including its materials and textures.
Labs OSM Buildings

Generate Buildings from OSM Data
Labs OSM Filter

Isolates Specific OSM Data Layers
Labs OSM Import

Imports Open Street Map Data
Labs PBR Shader

Physically Based Viewport Shader
Labs PCG Export (Beta)

Takes a point cloud with attributes and exports them as 2 CSV files to be used with Unreal Engine PCG system.
Labs PDG Work-Item Import

Import input and output files attached to a work-item in PDG
Labs Path Deform

Deform geometry along a curve.
Labs Pathfinding Global (Beta)

This node creates paths between points of interest on a given terrain based on cost and avoidance attributes.
Labs Physical Ambient Occlusion

Computes ambient occlusion, generates dirt masks, as well as identifies peaks and valleys on meshes.
Labs Physics Painter

Physics Painter is a SOP that allows users to paint physics objects onto any other object.
Labs Pick and Place

Allows you to interactively place individual objects in a scene.
Labs PolyDeform

Warps a source mesh to match the shape of a target
Labs PolyScalpel

Slices new polygonal edges or points into the primary input geometry from the secondary input in various configurations.
Labs PolySlice

Slice polygons into polygons or polylines
Labs Post Animation Deform

Apply modeling changes to deforming geometry
Labs Procedural Smoke

The procedural smoke SOP will generate an animated volume to represent smoke.
Labs Progressive Resample

Resamples a curve progressively based on an attribute
Labs Progressive Resample

Resamples a curve progressively based on an attribute
Labs Quad Sphere Generator

Creates a quad sphere
Labs Quadrangulate

Simple Node to take a triangulated mesh and attempt to collapse the diagonal edges to return the mesh to a quad dominant state
Labs Quick Basic Tree

Creates a quick basic tree
Labs RBD Edge Strip

Generate polystrips on fractured geometry for extra destruction detail in game engines.
Labs RBD to FBX

This tool allows for fast export of an RBD Sim to bone based FBX
Labs Random Selection

Randomly selects a subset of input points or primitives.
Labs Regions from Image
Labs Remove Inside Faces

This tool removes inside faces for objects that are intersecting.
Labs Remove UV Distortion

Remove UV Distortion tries to reduce UV distortion by inserting new seams
Labs Repair

Quickly Spot Heal a Mesh
Labs RizomUV Optimize

Enables the use of RizomUV and performs a UV optimize inside Houdini
Labs RizomUV Processor

Enables the use of RizomUV within Houdini.
Labs RizomUV Rectangularize

Enables the use of RizomUV and performs a UV rectangularize inside Houdini
Labs RizomUV Unwrap

Enables the use of RizomUV and performs a UV unwrap inside Houdini
Labs Road Generator

Generate roads from curves or OSM data
Labs SciFi Panels

Example HDA from the Rebirth Project to generate Sci Fi Panneling
Labs Settlement Connections (Beta)

This node generates connections between points of interest based on angle and distance calculations.
Labs Simple Baker

SOP Based Baking of Texture Maps
Labs Simple Retime

Simple Interface to Change the Timing of an animation
Labs Simple Rope Wrap

Generate a rubber band like rope around an object based on inputs.
Labs Simple Shapes

Creates simple 2D shapes.
Labs Sine Wave

Deforms a mesh based on a sine wave curve
Labs Sketchfab

Uploads geometry to Sketchfab
Labs Skinning Converter

Skinning Converter is a SOP that can convert any non-changing topology deforming mesh sequence into a bone based animation.
Labs Snow Buildup

Creates geometry to an input mesh that mimics snow build up.
Labs Soften Normals

Soften Normals is a convenience SOP that is frequently used to prepare geometry for baking.
Labs Sphere Generator

The sphere generator creates a sphere from a cube with UVs and normals.
Labs Splatter

Creates a POP Fluid simulation setup for splattering.
Labs Split Primitives by Normal

Split primitives into separate outputs based on normals
Labs Star

Create a simple star primitive.
Labs Static Fracture Export

The Static Fracture SOP takes static geometry data from sop level, and separates them into newly generated geometry containers on object level
Labs Straight Skeleton 2D

Generate the central curve (straight skeleton) for 2D input shapes.
Labs Straight Skeleton 3D

Generates a curve based on the internal structure of a mesh
Labs Straighten

Orients a mesh based on UP and FRONT groups
Labs Substance Material

Loads a Substance Archive and assigns it as a material
Labs Superformula Shapes

This tool creates 2D shapes using the superformula equation.
Labs Sweep Geometry

Sweeps geometry along a curve.
Labs Symmetrize

Clips and mirrors geometry along an axis.
Labs Terrain Analysis (Beta)

This node analyzes a HeightField and generates cost and avoidance attributes.
Labs Terrain Layer Export

The terrain layer export SOP exports a heightfield with the correct settings for Unreal.
Labs Terrain Layer Import

The terrain layer import SOP exports a heightfield with the correct settings from Unreal.
Labs Terrain Mesh ROP

The Terrain Mesh Output allows you to convert the plugged in heightfield into (tiled) geometry.
Labs Terrain Texture ROP

The Terrain Texture Output renders image data from a heightfield.
Labs Test Geometry: Luiz

A scan of Luiz Kruel
Labs Test Geometry: Paul

A scan of Paul Ambrosiussen
Labs Texel Density

Calculates and corrects texel density of an asset.
Labs Thicken

Extrudes a mesh along it’s averaged normals
Labs Trace PSD File

Generates Curves from Photoshop File Layers
Labs Tree Branch Generator

Generates tree branches
Labs Tree Branch Placer

Manually place tree branches
Labs Tree Branch Placer
Labs Tree Controller

Controls other tree nodes
Labs Tree Hierarchy

This tool extracts geometry and pivot points from trees created with Labs Tree Generator tools for use with Labs Unreal PivotPainter.
Labs Tree Leaf Generator

Generates leaves on branches
Labs Tree Simple Leaf

Simple leaf generator for visualization purposes
Labs Tree Trunk Generator

Generates a tree trunk
Labs Trim Texture

Interactive version of the Trim Texture node.
Labs Trim Texture Utility

Helps preparing trim texture geometry for a Trim Texture workflow
Labs Triplanar Displace

Displacing geometry based on a triplanar projection
Labs Turntable

Rotates the input geometry around itself based on the timeline
Labs UDIM Tile Number

Creates a UDIM tile number attribute on primitives, points, or vertices.
Labs UV Remove Overlap

Marks and optionally repairs UV overlaps.
Labs UV Transfer

Transfer UVs between a source and target geometry.
Labs UV Unitize

Converts every primitive to 0-1 UVs
Labs UV Unwrap Cylinder

Unwraps cylindrical shaped meshes.
Labs UV Visualize

Different methods of visualizing UV Data
Labs Unreal Groom Export

Exports hair to Unreal Engine.
Labs Unreal Pivot Painter

Pivot Painter stores model pivot and rotation information for geometry used in a shader.
Labs Unreal Worldcomposition Prepare

Prepare heightfield and actor instances for use with World Composition in Unreal
Labs VDB Transform Properties

Converts the input volume/VDB field to a VDB vector field and updates how the vector field will respond to transformations downstream.
Labs Validate Geometry Type

This node evaluates the geometry types of the input geometry and returns a warning message if the specified geometry type and type count are not found.
Labs Vector Field Export

Export a vector field, compatible with Unreal Engine.
Labs View Vertex Order

A simple utility that creates arrow indicators on poly primitives displaying their vertex order.
Labs Volume Adjust Look

Adjusts volume visualization mode (default / normals / motion vectors), density, colors (including greyscale colors), emission, and viewport rendering quality.
Labs VolumeTexture Export

Take a volume as an input and export a texture of the density field.
Labs WFC Initialize Grid

A utility tool to initialize a WFC grid to be used with the WFC Solver
Labs WFC Sample Paint

A utility tool to paint attribute values on a grid used by the WFC Solver
Labs Wang Tiles Decoder

A decoder that decodes color information into Wang Tilesets.
Labs Wang Tiles Sample

Sample tiles that can be used as Wang Tilesets.
Labs XYZ Pointcloud Exporter

Export a pointcloud to XYZ file.
Laplacian

Computes a discrete Laplacian matrix.
Lattice

Deforms geometry based on how you reshape control geometry.
Lattice from Volume

Create a point cloud, connected polyline, tet or hex mesh around the active region of volumes. This node creates a deformation lattice for use with the Volume Deform node.
Lidar Import

Reads a lidar file and imports a point cloud from its data.
Line

Creates polygon or NURBS lines from a position, direction, and distance.
Linear Solver

Solves system of linear equations.
MDD

Animates points using an MDD file.
ML Attribute Generate

Generate multiple copies of the input geometry with specified attributes randomized.
ML Example

Create examples from input components and an optional target components
ML Example Decompose

Obtain the input components and the optional target components from examples
ML Example Import

Import examples from a raw file
ML Example Output

Output examples to a raw file
ML Example Partition

Partition examples into parts that each have a specified maximum size
ML Extract Example

Extract a single example from a set of examples
ML Pose Generate

Generate a set of random poses.
ML Pose Serialize

Represent a pose as a float point attribute.
ML Regression Inference

Apply a model trained using ML Regression Train in a geometry network.
ML Regression Proximity

Determine an output based on the proximity of a query input to the inputs of labeled examples.
MPM Collider

Defines VDB colliders to bounce or kill MPM material.
MPM Container

Defines the simulation resolution, start frame, and domain limits of a MPM simulation.
MPM Solver

Solves the MPM simulation described by its inputs and parameters.
MPM Source

Creates MPM particles from a geometry mesh or volume.
Magnet

Deforms geometry by using another piece of geometry to attract or repel points.
Map Points

Stores a reference on a point to a point in another geometry.
Mask by Feature

Creates a point attribute mask based on visibility/lighting, letting you limit the effect of other nodes to areas that are visible, or facing a certain direction, or in shadow.
Match Axis

Aligns the input geometry to a specific axis.
Match Size

Resizes and recenters the input geometry to match a reference bounding box.
Match Topology

Reorders the primitive and point numbers of the input geometry to match some reference geometry.
Material

Assigns one or more materials to geometry.
Measure

Measures area, volume, or curvature of individual elements or larger pieces of a geometry and puts the results in attributes.
Measure Thickness

Measures point-wise thickness.
Merge

Merges geometry from its inputs.
Merge Packed

Merges and names geometry from its inputs.
MetaGroups

Defines groupings of metaballs so that separate groupings are treated as separate surfaces when merged.
Metaball

Creates metaballs and meta-superquadric surfaces.
Mirror

Duplicates and mirrors geometry across a mirror plane.
Mocap Import

Parses and imports motion capture data as geometry.
Mocap Stream

This SOP outputs live motion capture data from various devices
MotionClip

Converts a skeleton animation to a MotionClip.
MotionClip Blend

Blends the animation of one MotionClip on top of another
MotionClip Cycle

Smoothly loops a section of a MotionClip
MotionClip Evaluate

Evaluates a single frame of a MotionClip.
MotionClip Extract

Extracts the motion of joints over a set of frames from a MotionClip.
MotionClip Extract Key Poses

Identifies the key poses of an animation
MotionClip Extract Locomotion

Extracts the locomotion from a MotionClip and manages its representation.
MotionClip Pose Delete

Removes the specified poses from the MotionClip.
MotionClip Pose Insert

Adds a new sample to a MotionClip containing the given pose
MotionClip Retime

Adjusts the timing of a MotionClip
MotionClip Sequence

Concatenates two MotionClips.
MotionClip Update

Update a MotionClip using the given point list.
Muscle Constraint Properties Vellum

Creates and modifies the muscle Vellum constraints for the input solid muscle geometry in preparation for the muscle solver.
Muscle Flex

Activates and animates the contraction and relaxation of input solid muscle geometry.
Muscle ID

Creates and assigns Muscle IDs to each connected cluster of primitives on the input geometry.
Muscle Merge

Merges muscle geometry from its inputs.
Muscle Mirror

Duplicates muscle geometry with symmetry. Muscle attributes are also copied/renamed with symmetry.
Muscle Paint

A stroke-based paint tool for modifying muscle attributes.
Muscle Preroll

Transitions input bone, muscle, tissue, or skin geometry from their static t-poses into the start frame of their animated sequence.
Muscle Properties

Creates and modifies the physical properties for the input solid muscle geometry in preparation for the muscle solver.
Muscle Solidify

Converts input surface geometry to a tetrahedral mesh for use as muscles.
Muscle Solver Vellum

Computes the dynamics simulation for the muscle pass using Vellum.
Muscle Tension Lines

Creates and attaches line segments to input bone surface geometry that then drive muscle flexion.
Name

Creates a naming attribute on points or primitives allowing you to refer to them easily, similar to groups.
Normal

Computes surface normal attribute.
Null

This node passes its input through to its output unchanged. It can act as a fixed place in the network for path references.
ONNX Inference

Applies inference from an ONNX Machine Learning model.
Object Merge

Merges geometry from multiple sources and allows you to define the manner in which they are grouped together and transformed.
Ocean Evaluate

Deforms input geometry based on ocean spectrum volumes.
Ocean Foam

Generates particle-based foam
Ocean Source

Generates particles and volumes from ocean spectrum volumes for use in simulations
Ocean Spectrum

Generates volumes containing information for simulating ocean waves.
Ocean Waves

Instances individual waveforms onto input points and generated points.
OpenCL

Executes an OpenCL kernel on geometry.
Orient Joints

Orient Joints on a target skeleton.
Orientation along Curve

Computes orientations (frames) along curves.
Output

Marks the output of a sub-network.
Pack

Packs geometry into an embedded primitive.
Pack Folder

Packs inputs into a folder structure.
Pack Inject

Replaces the contents of Packed Primitives in-place.
Pack Points

Packs points into a tiled grid of packed primitives.
Packed Disk Edit

Editing Packed Disk Primitives.
Packed Folder Split

Extracts contents from a packed folder structure.
Packed Properties

Editing Packed Primitives.
Paint Color Volume

Creates a color volume based on drawn curve
Paint Fog Volume

Creates a fog volume based on drawn curve
Paint SDF Volume

Creates an SDF volume based on drawn curve
Parent Joints

Parent Joints on a target skeleton.
Particle Fluid Surface

Generates a surface around the particles from a particle fluid simulation.
Particle Fluid Tank

Creates a set of regular points filling a tank.
Particle Trail

Generates trails from the incoming particles that can be used to render sparks, fireworks, and rain.
Path Deform

Deforms geometry using the shape of a curve.
Peak

Moves primitives, points, edges or breakpoints along their normals.
Pendulum Motion

Inserts periods of pendulum motion into the middle of character animations.
Planar Inflate

Inflates a polygon into a triangle mesh.
Planar Patch

Creates a planar polygonal patch.
Planar Patch from Curves

Fills in a 2d curve network with triangles.
Planar Pleat

Deforms flat geometry into a pleat.
Planar Tiles

Generates rectangular tiles for texture patterns.
Platonic Solids

Creates platonic solids of different types.
Point Capture

Generates connectivity aware capture weights for use with Point Deform.
Point Cloud Iso

Constructs an iso surface from its input points.
Point Cloud Measure

Measures unorganized points using the characteristics of each point’s neighborhood, and puts the results in attributes.
Point Cloud Normal

Computes point cloud normal vectors and gives them a consistent direction.
Point Cloud Reduce

Reduces a point cloud using a point grid.
Point Cloud Surface

Constructs a surface from a point cloud.
Point Deform

Deforms geometry according to an arbitrary connected point mesh.
Point Generate

Creates new points, optionally based on point positions in the input geometry.
Point Jitter

Jitters points in random directions.
Point Relax

Moves points with overlapping radii away from each other, optionally on a surface.
Point Replicate

Generates a cloud of points around the input points.
Point Split

Splits points shared by multiple vertices, optionally only if the vertices differ in attribute values.
Point Velocity

Computes and manipulates velocities for points of a geometry.
Point Weld

Merges points interactively.
Points from Volume

Creates set of regular points filling a volume.
Poly Bridge

Creates flat or tube-shaped polygon surfaces between source and destination edge loops, with controls for the shape of the bridge.
Poly Expand 2D

Creates offset polygonal geometry for planar polygonal graphs.
Poly Extrude

Extrudes polygonal faces and edges.
PolyBevel

Creates straight, rounded, or custom fillets along edges and corners.
PolyCut

Breaks curves where an attribute crosses a threshold.
PolyDoctor

Helps repair invalid polygonal geometry, such as for cloth simulation.
PolyFill

Fills holes with polygonal patches.
PolyFrame

Creates coordinate frame attributes for points and vertices.
PolyHinge

Extrudes polygonal faces around a pivot line.
PolyLoft

Creates new polygons using existing points.
PolyPatch

Creates a smooth polygonal patch from primitives.
PolyPath

Cleans up topology of polygon curves.
PolyReduce

Reduces the number of polygons in a model while retaining its shape. This node preserves features, attributes, textures, and quads during reduction.
PolySoup

Combines polygons into a single primitive that can be more efficient for many polygons
PolySpline

The PolySpline SOP fits a spline curve to a polygon or hull and outputs a polygonal approximation of that spline.
PolySplit

Divides an existing polygon into multiple new polygons.
PolyWire

Constructs polygonal tubes around polylines, creating renderable geometry with smooth bends and intersections.
Pose Difference

Compute the difference between point transforms on two SOP skeletons.
Pose Scope

Assigns channel paths and/or pickscripts to geometry.
Pose-Space Deform

(Deprecated) Interpolates between a set of pose-shapes based on the value of a set of drivers.
Pose-Space Deform Combine

(Deprecated) Combine result of Pose-Space Deform with rest geometry.
Pose-Space Edit

(Deprecated) Packs geometry edits for pose-space deformation.
Pose-Space Edit Configure

(Deprecated) Creates common attributes used by the Pose-Space Edit SOP.
Primitive Properties

Edits primitive, primitive attributes, and profile curves.
Principal Component Analysis

Computes the principle components of volume or point data.
Projectile Motion

Inserts periods of projectile motion into the middle of character animations.
Proximity

Finds the nearest points to one or more target points.
Pyro Bake Volume

Helps develop the volume look both for viewport display and rendering after the pyro solve.
Pyro Burst Source

Creates points suitable for sourcing into pyro simulations to create explosions, muzzle flashes, shockwaves, and detonation rings.
Pyro Post-Process

Applies common post-processing effects to the results of Pyro solves.
Pyro Scatter from Burst

Generates a cloud of points around the input points suitable for pyro trails and particle simulations.
Pyro Solver

Runs a dynamic Pyro simulation.
Pyro Source

Creates points for sourcing pyro and smoke simulations.
Pyro Source Instance

Creates source instance points from spawn points for sourcing pyro simulations with packed sets.
Pyro Source Pack

Creates a packed source set from the input volumes.
Pyro Source Spread

Pyro Source Spread solves for the spreading of flame across a point cloud.
Pyro Spawn Sources

Creates spawn points for sourcing pyro simulations with packed sets.
Pyro Trail Path

Generates curves to use as trails for the Pyro Trail Source node.
Pyro Trail Source

Creates points suitable for sourcing into pyro simulations to create trails for explosions.
Python

Runs a Python snippet to modify the incoming geometry.
Quad Remesh

Converts an arbitrary mesh into structured quadrilaterals.
RBD Bullet Solver

Runs a dynamic Bullet simulation.
RBD Car Deform

Add Post-Sim Deformations to RBD Cars.
RBD Car Follow Path

Animate a RBD Car Rig along a path.
RBD Car Rig

Builds a drivable RBD Car Rig.
RBD Cluster

Combines fractured pieces or constraints into larger clusters.
RBD Cone Twist Constraint Properties

Creates attributes describing rigid body cone twist constraints.
RBD Configure

Packs and creates attributes describing rigid body objects.
RBD Connected Faces

Stores the primitive number and distance to the opposite face on the inside faces of fractured geometry.
RBD Constraint Properties

Creates attributes describing rigid body constraints.
RBD Constraints From Curves

Creates rigid body constraint geometry from curves drawn in the viewport.
RBD Constraints From Lines

Creates rigid body constraint geometry from interactively drawn lines in the viewport.
RBD Constraints From Rules

Creates rigid body constraint geometry from a set of rules and conditions.
RBD Convert Constraints

Converts existing constraint prims into constraints with different anchor positions.
RBD Deform Pieces

Deforms geometry with simulated proxy geometry.
RBD Deforming to Animated

Converts deforming geometry to animated static packed objects.
RBD Disconnected Faces

Detects when connected faces have become separated.
RBD Exploded View

Visualize RBD fractured geometry merged with the proxy geometry, pushed out from the center to create an exploded view.
RBD Find Instances

Find instances of the same geometry pieces and replace them with packed geometry instances.
RBD Group Constraints

Creates constraint groups from anchored RBD pieces groups.
RBD Guide Setup

Sets attributes on packed fragments for the RBD Guide DOP.
RBD I/O

Packs RBD fractured geometry, saves them to disk, and loads them back again.
RBD Interior Detail

Creates additional detail on the interior surfaces of fractured geometry.
RBD Match Transforms

Given an untransformed reference, extracts the transforms for each piece per name, from either Geometry or Proxy Geometry, and applies them to the geometry with the corresponding name attribute.
RBD Material Fracture

Fractures the input geometry based on a material type.
RBD Pack

Packs RBD geometry, constraints, and proxy geometry into a single geometry.
RBD Paint

Paints values onto geometry or constraints using strokes.
RBD Transform

The RBD Transform operator performs a Transform operation on all 3 source geometries (Geometry, Constraint Geometry and Proxy Geometry) at once.
RBD Unpack

Unpacks an RBD setup into three outputs.
RMan Shader

Attaches RenderMan shaders to groups of faces.
ROP FBX Animation Output

Export animation from geometry-based skeleton to an FBX file.
ROP FBX Character Output

Export a skinned character with geometry-based skeleton to an FBX file.
ROP GLTF Character Output

Export a skinned character with a geometry-based skeleton to a glTF or glb (binary) file.
ROP Geometry Output
ROP Geometry Raw Output
Ragdoll Collision Shapes

Creates collision shapes for a KineFX skeleton to be used in a ragdoll RBD simulation.
Ragdoll Solver

Runs a ragdoll RBD simulation on the target skeleton.
Rails

Generates surfaces by stretching cross-sections between two guide rails.
Raw Import

Imports raw binary files as point, detail, or volumes.
Ray

Projects one surface onto another.
Refine

Increases the number of points/CVs in a curve or surface without changing its shape.
Reguide

Scatters new guides, interpolating the properties of existing guides.
Remesh

Recreates the shape of the input surface using high-quality (nearly equilateral) triangles.
Remesh Bubbles

Generates foam bubble like structure onto a point cloud.
Remesh to Camera

Subdivide input geometry to generate polygons smaller than a camera measurement.
Remesh to Grid

Rebuilds polygonal topology to straighten edges, close small holes, and remove interior geometry.
Repack

Repacks geometry as an embedded primitive.
Resample

Resamples one or more curves or surfaces into even length segments.
Rest Position

Creates rest attributes on the geometry so procedural textures stay put on the surface as it deforms.
Retime

Retimes the time-dependent input geometry.
Reverse

Reverses or cycles the vertex order of faces.
Reverse Foot

Creates a reverse foot set up for the given input skeleton.
Revolve

Revolves a curve around a center axis to sweep out a surface.
Rewire Vertices

Rewires vertices to different points specified by an attribute.
Rig Attribute VOP

Runs a VOP network to modify geometry attributes on a KineFX rig.
Rig Attribute Wrangle

Runs a VEX snippet to modify transform attribute values on a KineFX rig.
Rig Copy Transforms

Attach the joints of a skeleton SOP to another, posed skeleton.
Rig Doctor

Optimizes and runs checks on a SOP skeleton.
Rig Match Pose

Conforms the rest poses of two skeletons in preparation for retargeting.
Rig Mirror Pose

Mirror a SOP skeleton’s pose.
Rig Pose

Poses and animates a SOP rig or skeleton.
Rig Python

Runs a Python snippet to modify the incoming rig geometry.
Rig Stash Pose

Stores a static pose on a skeleton as a matrix point attribute.
Ripple

Generates ripples by displacing points along the up direction specified.
Ripple Solver

Runs ripple simulations on geometry surfaces.
Room Map Frame

Setup geometry for usage with Karma Room Map
Scatter

Scatters new points randomly across a surface or through a volume.
Scatter and Align

Scatters points across a surface with randomized scale and orientation attributes for use with Copy to Points.
Scatter in Texture Mask

Scatters points on a mesh, with density controlled by a texture.
Scene Character Export

Export animation from a geometry-based character to the Scene (OBJ) context.
Scene Character Import

Creates a geometry-based character with animation from the Scene (OBJ) context.
Script

Runs scripts when cooked.
Sculpt

Interactively reshape a surface using brushes that push, pull, flatten, smooth, or otherwise deform the mesh similarly to how one would sculpt a clay model.
Secondary Motion

Adds secondary motion effects to a static or animated input KineFX joint, skeleton, or character.
Sequence Blend

Morphs though a sequence of 3D shapes, interpolating geometry and attributes.
Set T-Pose

Stores the rest position for the input bone, muscle, or tissue geometry.
Shallow Water Solver

Runs shallow water simulations on height fields.
Shape Diff

Computes the post-deform or pre-deform difference of two geometries with similar topologies.
Shrinkwrap

Computes the convex hull of the input geometry and moves its polygons inwards along their normals.
Skeleton

Interactively create and edit geometry-based skeletons.
Skeleton Blend

Blends the poses of multiple skeletons
Skeleton Mirror

Modify an input skeleton by duplicating joints across a mirror plane.
Skin

Builds a skin surface between any number of shape curves.
Skin Properties

Creates and modifies skin attributes in preparation for the skin solver.
Skin Solidify

Converts surface geometry to a solid (tetrahedrons) and prepares the output geometry for solving with a skin solver.
Skin Solver Vellum

Computes the dynamics simulation for the skin pass using Vellum.
Sky Box

Creates a volume filled with volumetric clouds.
Sky Field

Generates an initial Sky Field volume to use with sky tools.
Sky Field Noise

Modifies a Sky Field using 2D cloud noise.
Sky Field Pattern

Modifies a Sky Field using a 2D cloud pattern.
Sky Field from Map

Modifies a Sky Field using an image saved on your disk.
Smooth

Smooths out (or relaxes) polygons, meshes and curves without increasing the number of points.
Smooth Motion

Smooths out unwanted noise in an animated input points or KineFX joint, skeleton, or MotionClip.
Soft Peak

Moves the selected point along its normal, with smooth rolloff to surrounding points.
Soft Transform

Moves the selected point, with smooth rolloff to surrounding points.
Solid Fracture

Creates a partition of a tetrahedral mesh that can be used for finite-element fracturing.
Solver

Allows running a SOP network iteratively over some input geometry, with the output of the network from the previous frame serving as the input for the network at the current frame.
Sort

Reorders points and primitives in different ways, including randomly.
Sphere

Creates a sphere or ovoid surface.
Spiral

Creates spirals and helices.
Spline Align

Aligns a group of primitives to each other or to an auxiliary input.
Spline Basis

Provides operations for moving knots within the parametric space of a NURBS curve or surface.
Spline Cap

Closes open areas with flat or rounded coverings.
Spline Clay

Lets you deform NURBS faces and NURBS surfaces by pulling points that lie directly on them.
Spline Creep

Deforms and animates a piece of geometry across a surface.
Spline Curve Clay

Deforms a spline surface by reshaping a curve on the surface.
Spline Fillet

Creates smooth bridging geometry between two curves or surfaces.
Spline Fit

Fits a spline curve to points, or a spline surface to a mesh of points.
Spline Profile

Extracts or manipulates profile curves.
Spline Project

Creates profile curves on surfaces.
Spline Round

Generates round fillets of a specified radius between two surfaces.
Spline Surfsect

Trims or creates profile curves along the intersection lines between NURBS or bezier surfaces.
Spline Trim

Trims away parts of a spline surface defined by a profile curve or untrims previous trims.
Split

Splits primitives or points into two streams.
Spray Paint

Spray paints random points onto a surface.
Sprite

A SOP node that sets the sprite display for points.
Stabilize Joint

Removes jitter from the input animation and handles geometry snapping of joints.
Starburst

Insets points on polygonal faces.
Stash

Caches the input geometry in the node on command, and then uses it as the node’s output.
Stitch

Stretches two curves or surfaces to cover a smooth area.
Stroke

Low level tool for building interactive assets.
Subdivide

Subdivides polygons into smoother, higher-resolution polygons.
Subnetwork

The Subnet op is essentially a way of creating a macro to represent a collection of ops as a single op in the Network Editor.
Super Quad

Generates an isoquadric surface.
Surface Deform

Deforms points using a polygon surface.
Sweep

Creates a surface by sweeping a cross section curve along a spine curve.
Switch

Switches between network branches based on an expression or keyframe animation.
Switch-If

Switches between two network branches based on an expression or geometry test.
TOP Geometry

Sends input geometry to a TOP subnet and retrieves the output geometry.
TOP Network

The TOP Network operator contains SOP nodes for running tasks.
Table Import

Reads a CSV file creating point per row.
Tangent Field

Creates a smooth tangent (multi-) vector field on a polygonal surface.
Test Geometry: Capybara

Creates a capybara, which can be used as test geometry.
Test Geometry: Crag

Creates a rock creature, which can be used as test geometry.
Test Geometry: Electra

Creates Electra, the test KineFX character.
Test Geometry: Pig Head

Creates a pig head, which can be used as test geometry..
Test Geometry: Rubber Toy

Creates a rubber toy, which can be used as test geometry.
Test Geometry: Shader Ball

Creates a shader ball, which can be used to test shaders.
Test Geometry: Squab

Creates a squab, which can be used as test geometry.
Test Geometry: Template Body

Creates a template body, which can be used as test geometry.
Test Geometry: Template Head

Creates a template head, which can be used as test geometry.
Test Geometry: Tommy

Creates a soldier, which can be used as test geometry.
Test Simulation: Crowd Transition

Provides a simple crowd simulation for testing transitions between animation clips.
Test Simulation: Ragdoll

Provides a simple Bullet simulation for testing the behavior of a ragdoll.
Tet Conform

Creates a tetrahedral mesh that conforms to a connected mesh as much as possible.
Tet Embed

Creates a simple tetrahedral mesh that covers a connected mesh.
Tet Partition

Partitions a given tetrahedron mesh into groups of tets isolated by a given polygon mesh
Texture Feature

Uses computer vision to identify feature points in an image.
Texture Mask Paint

Paints a mask into a texture map.
Texture Optical Flow

An operator that uses computer vision to track movement between two textures embedded as two-dimensional volumes.
TimeShift

Cooks the input at a different time.
Tissue Properties

Creates and modifies tissue attributes in preparation for the tissue solver.
Tissue Solidify

Converts surface geometry to a layered solid (tetrahedrons) and prepares the output geometry for solving with a tissue solver.
Tissue Solver Vellum

Computes the dynamics simulation for the Tissue pass using Vellum.
Toon Shader Attributes

Sets attributes used by the Toon Color Shader and Toon Outline Shader.
Topo Flow

Deforms a surface to match the size, shape, and texture of a different surface.
Topo Flow Sample

An operator that uses computer vision to identify distinct feature points in a given image file.
Topo Landmark

A state interface to establish correspondence from points on one surface to points on another surface.
Topo Transfer

Non-rigidly deforms a surface to match the size and shape of a different surface.
TopoBuild

Lets you interactively draw a reduced quad mesh automatically snapped to existing geometry.
Torus

Creates a torus (doughnut) shaped surface.
Trace

Traces curves from an image file or heightfield.
Trail

Creates trails behind points.
Transform

The Transform operation transforms the source geometry in object space using a transformation matrix.
Transform Axis

Transforms the input geometry relative to a specific axis.
Transform By Attribute

Transforms the input geometry by a point attribute.
Transform Pieces

Transforms input geometry according to transformation attributes on template geometry.
Tri Bezier

Creates a triangular Bezier surface.
TriDivide

Refines triangular meshes using various metrics.
Triangulate 2D

Connects points to form well-shaped triangles.
Tube

Creates open or closed tubes, cones, or pyramids.
USD Animation Import

Imports a skeleton and animation from a UsdSkel character.
USD Character Import

Imports the rest geometry, skeleton, and animation from a UsdSkel character.
USD Configure
USD Export
USD Import
USD Skin Import

Imports skinned geometry from a UsdSkel character.
UV Autoseam

Generates an edge group representing suggested seams for flattening a polygon model in UV space.
UV Brush

Adjusts texture coordinates in the UV viewport by painting.
UV Edit

Lets you interactively move UVs in the texture view.
UV Flatten

Creates flattened pieces in texture space from 3D geometry.
UV Fuse

Merges UVs.
UV Layout

Packs UV islands efficiently into a limited area.
UV Pelt

Relaxes UVs by pulling them out toward the edges of the texture area.
UV Project

Assigns UVs by projecting them onto the surface from a set direction.
UV Quick Shade

Applies an image file as a textured shader to a surface.
UV Texture

Assigns texture UV coordinates to geometry for use in texture and bump mapping.
UV Transform

Transforms UV texture coordinates on the source geometry.
UV Unwrap

Separates UVs into reasonably flat, non-overlapping groups.
Unix

Processes geometry using an external program.
Unpack

Unpacks packed primitives.
Unpack Folder

Extracts contents from a packed folder structure.
Unpack Points

Unpacks points from packed primitives.
Unpack USD

Converts packed USD primitives into normal Houdini geometry.
Unpaste

The Unpaste op removes one or more pasted surfaces from a paste hierarchy, causing the hierarchy to update.
Unreal Spline (Beta)

Takes a curve and turns it into an Unreal Spline, it can import and export multiple splines.
VDB

Creates one or more empty/uniform VDB volume primitives.
VDB Activate

Activates voxel regions of a VDB for further processing.
VDB Activate SDF

Expand or contract signed distance fields stored on VDB volume primitives.
VDB Advect

Moves VDBs in the input geometry along a VDB velocity field.
VDB Advect Points

Moves points in the input geometry along a VDB velocity field.
VDB Analysis

Computes an analytic property of a VDB volumes, such as gradient or curvature.
VDB Clip

Clips VDB volume primitives using a bounding box or another VDB as a mask.
VDB Collider

Defines VDB colliders to bounce or kill dynamic objects.
VDB Combine

Combines the values of two VDB volumes in various ways.
VDB Convex Clip SDF

Clips an SDF VDB by a convex hull.
VDB Diagnostics

Tests VDBs for Bad Values and Repairs.
VDB Extrapolate

Extrapolate a VDB signed distance field.
VDB Fracture

Cuts level set VDB volume primitives into multiple pieces.
VDB LOD

Build an LOD Pyramid from a VDB.
VDB Merge

Combines many VDB volumes in various ways.
VDB Morph SDF

Blends between source and target SDF VDBs.
VDB Occlusion Mask

Create a mask of the voxels in shadow from a camera for VDB primitives.
VDB Points Delete

Deletes points inside of VDB Points primitives.
VDB Points Group

Manipulates the Internal Groups of a VDB Points Primitive.
VDB Potential Flow

Computes the steady-state air flow around VDB obstacles.
VDB Project Non-Divergent

Removes divergence from a Vector VDB.
VDB Rasterize Frustum

Rasterize points into density and attribute volumes.
VDB Renormalize SDF

Fixes signed distance fields stored in VDB volume primitives.
VDB Resample

Re-samples a VDB volume primitive into a new orientation and/or voxel size.
VDB Reshape SDF

Reshapes signed distance fields in VDB volume primitives.
VDB Segment by Connectivity

Splits SDF VDBs into connected components.
VDB Smooth

Smooths out the values in a VDB volume primitive.
VDB Smooth SDF

Smooths out SDF values in a VDB volume primitive.
VDB Topology to SDF

Creates an SDF VDB based on the active set of another VDB.
VDB Vector Split

Splits a vector VDB primitive into three scalar VDB primitives.
VDB Vector from Scalar

Merges three scalar VDB into one vector VDB.
VDB Visualize Tree

Replaces a VDB volume with geometry that visualizes its structure.
VDB from Particle Fluid

Generates a signed distance field (SDF) VDB volume representing the surface of a set of particles from a particle fluid simulation.
VDB from Particles

Converts point clouds and/or point attributes into VDB volume primitives.
VDB from Polygons

Converts polygonal surfaces and/or surface attributes into VDB volume primitives.
VDB to Spheres

Fills a VDB volume with adaptively-sized spheres.
Vellum Attach Constraints

Edit or create new vellum attach to geometry and stitch constraints, interactively.
Vellum Brush

Interactive brushing of Vellum geometry, grains, and fluids in the viewport.
Vellum Configure Grain

Configures geometry for Vellum Grain constraints.
Vellum Constraint Properties

Modifies common Vellum Constraint properties.
Vellum Constraints

Configure constraints on geometry for the Vellum solvers.
Vellum Drape

Vellum solver setup to pre-roll fabric to drape over characters.
Vellum I/O

Packs Vellum simulations, saves them to disk, and loads them back again.
Vellum Pack

Packs Vellum geometry and constraints into a single geometry.
Vellum Post-Process

Applies common post-processing effects to the result of Vellum solves.
Vellum Reference Frame

Ties Vellum points to a reference frame defined by moving geometry.
Vellum Rest Blend

Blends the current rest values of constraints with a rest state calculated from external geometry.
Vellum Solver

Runs a dynamic Vellum simulation.
Vellum Transform Pieces

Transforms geometry using the rest and solved data from Vellum Shape Match constraints.
Vellum Unpack

Unpacks a Vellum simulation into two outputs.
Verify BSDF

Verify that a bsdf conforms to the required interface.
Visibility

Shows/hides primitives in the 3D viewer and UV editor.
Visualize Properties

Lets you adjust display options and attach visualizers to geometry.
Visualize Rig

Visualize the transformations and parenting of a SOP skeleton
Volume

Creates a volume primitive.
Volume Adjust Fog

Modifies values on the incoming Volume and VDB primitives.
Volume Ambient Occlusion

A node that generates the ambient occlusion field of the provided density field.
Volume Analysis

Computes analytic properties of volumes.
Volume Arrival Time

Computes a speed-defined travel time from source points to voxels.
Volume Blur

Blurs the voxels of a volume.
Volume Bound

Bounds voxel data.
Volume Break

Cuts polygonal objects using a signed distance field volume.
Volume Combine

Combines multiple volumes or VDBs within one geometry into a new volume or VDB.
Volume Compress

Re-compresses Volume Primitives.
Volume Convolve 3×3×3

Convolves a volume by a 3×3×3 kernel.
Volume Deform

Deform a volume using lattice points.
Volume FFT

Compute the Fast Fourier Transform of volumes.
Volume Feather

Feathers the edges of volumes.
Volume Merge

Flattens many volumes into one volume.
Volume Mix

Combines the scalar fields of volume primitives.
Volume Noise Fog

Adds or generates noise in volume/VDB primitives.
Volume Noise SDF

Adds or generates noise and displaces an SDF.
Volume Noise Vector

Adds or generates noise in a Vector volume/VDB.
Volume Normalize Weights

Ensure a set of volumes add up to one.
Volume Optical Flow

Translates the motion between two image volumes into displacement vectors.
Volume Patch

Fill in a region of a volume with features from another volume.
Volume Ramp

Remaps a volume according to a ramp.
Volume Rasterize

Rasterizes into a volume.
Volume Rasterize Attributes

Samples point attributes into VDBs.
Volume Rasterize Curve

Converts a curve into a volume.
Volume Rasterize Hair

Converts fur or hair to a volume for rendering.
Volume Rasterize Lattice

Deform a volume using lattice points.
Volume Rasterize Particles

Converts a point cloud into a volume.
Volume Rasterize Points

Converts a point cloud into a volume.
Volume Reduce

Reduces the values of a volume into a single number.
Volume Resample

Resamples the voxels of a volume to a new resolution.
Volume Resize

Resizes the bounds of a volume without changing voxels.
Volume SDF

Builds a Signed Distance Field from an isocontour of a volume.
Volume Slice

Extracts 2d slices from volumes.
Volume Splice

Splices overlapping volume primitives together.
Volume Stamp

Stamps volumes instanced on points into a single target volume.
Volume Surface

Adaptively surfaces a volume hierarchy with a regular triangle mesh.
Volume Trail

Computes a trail of points through a velocity volume.
Volume VOP

Runs CVEX on a set of volume primitives.
Volume Vector Join

Merges multiple scalar Volumes into a vector Volume..
Volume Vector Split

Splits a vector Volume primitive into scalar Volume primitives.
Volume Velocity

Computes a velocity volume.
Volume Velocity from Curves

Generates a volume velocity field using curve tangents.
Volume Velocity from Surface

Generates a velocity field within a surface geometry.
Volume Visualization

Adjusts attributes for multi-volume visualization.
Volume Wrangle

Runs a VEX snippet to modify voxel values in a volume.
Volume from Attribute

Sets the voxels of a volume from point attributes.
Voronoi Adjacency

Create a line segment between points with adjacent Voronoi cells
Voronoi Fracture

Fractures the input geometry by performing a Voronoi decomposition of space around the input cell points
Voronoi Fracture Points

Given an object and points of impact on the object, this SOP generates a set of points that can be used as input to the Voronoi Fracture SOP to simulate fracturing the object from those impacts.
Voronoi Split

Cuts the geometry into small pieces according to a set of cuts defined by polylines.
Vortex Force Attributes

Creates the point attributes needed to create a Vortex Force DOP.
Weight Array Biharmonic

Fills in index and weight array pairs for points on a mesh using biharmonic functions.
Weight Array Interpolate

Evaluates weight arrays specified on points on a mesh at a given point within a primitive.
Whitewater Post-Process

Prepares the whitewater simulation for rendering.
Whitewater Solver

Sets and configures a Whitewater simulation inside a SOP network.
Whitewater Source

Generates the emission field for whitewater simulations.
Winding Number

Computes generalized winding number of surface at query points.
Wire Blend

Morphs between curve shapes while maintaining curve length.
Wire Capture

Captures surfaces to a wire, allowing you to edit the wire to deform the surface.
Wire Deform

Deforms geometry captured to a curve via the Wire Capture node.
Wire Transfer

Transfers the shape of one curve to another.
Wireframe

Constructs polygonal tubes around polylines, creating renderable geometry.
Wrinkle Deformer

Deforms geometry to simulate surface wrinkles.
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glTF
glTF ROP output driver