Справка Houdini на русском Nodes VOP nodes

Multiply VOP node

Outputs the product of its inputs.

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Inputs
Outputs
Examples

This operator outputs the product of its inputs.

The first input can be an integer, float, vector, vector4, matrix3, or matrix. The allowed data types of subsequent inputs depend on the data type of the first input. For example, if the first input is a float, subsequent inputs can be either floats or integers. The output data type is always the same as the data type for the first input.

Inputs

Input Number 1…N

The input values to be multiplied together.

Next Input

Where the next input value should be connected. Up to 64 inputs can be specified.

Outputs

Combined Value

The product of all the input values.

Examples

The following examples include this node.

Street Crowd Example Example for Crowd Solver dynamics node

FlipColumn Example for FLIP Solver dynamics node

FlipFluidWire Example for FLIP Solver dynamics node

DiffuseSmoke Example for Gas Diffuse dynamics node

FluidGlass Example for Particle Fluid Solver dynamics node

PopFlow Example for Particle Fluid Solver dynamics node

CurveForce Example for POP Curve Force dynamics node

StickyDonut Example for Sticky object node

MotionVector Example for Mantra render node

Volume Rendering - Metaballs as Volume Example for Mantra render node

Down Hill Lava Flow Example for Material shader node

FirePit Example for Material shader node

StyleDisplacement Example for Material shader node

attribfromvolume Example for Attribute from Volume geometry node

RandomMaterial Example for Attribute String Edit geometry node

FluffyTorus Example for Bake Volume geometry node

PathAnalysis Example for Find Shortest Path geometry node

ColourAdvect Example for Fluid Source geometry node

FurBall Example for Fur geometry node

FurBallWorkflow Example for Fur geometry node

FurPipelineExample Example for Fur geometry node

FurTextureMap Example for Fur geometry node

Shaved Example for Fur geometry node

PaintPoints Example for Paint geometry node

AlphaOmega Example for Points from Volume geometry node

UnpackWithStyle Example for Unpack geometry node

volumeanalysis_grad Example for Volume Analysis geometry node

ImportVolumes Example for Volume VOP geometry node

pscaleVOPSOP Example for Add Attribute VOP node

WornMetal Example for Curvature VOP node

parameterVOP Example for Parameter VOP node

PointCloudLookup Example for Point Cloud Iterate VOP node

SensorDeform Example for Sensor Panorama Create VOP node

See also

VOP nodes

Absolute

Computes the absolute value of the argument.
Add

Outputs the sum of its inputs.
Add Attribute

Adds a new attribute.
Add Constant

Adds the specified constant value to the incoming integer, float, vector or vector4 value.
Add Point

Adds points to the geometry.
Add Point to Group

Adds the point specified to the group given.
Add Primitive

Adds primitives to the geometry.
Add Steer Force

Multiply steerforce by steerweight attributes and normalize results by total steerweight.
Add Vertex

Adds vertices to the geometry.
Add Wind Force

Layers a wind force onto a simulation.
Advect by Volumes

Advects a position by a set of volume primitives stored in a disk file.
Agent Clip Catalog

Returns all of the animation clips that have been loaded for an agent primitive.
Agent Clip Length

Returns the length (in seconds) of an agent’s animation clip.
Agent Clip Names

Returns an agent primitive’s current animation clips.
Agent Clip Sample

Samples an agent’s animation clip at a specific time.
Agent Clip Sample Rate

Returns the sample rate of an agent’s animation clip.
Agent Clip Times

Returns the current times for an agent primitive’s animation clips.
Agent Clip Weights

Returns the blend weights for an agent primitive’s animation clips.
Agent Convert Transforms

Converts transforms between local space and world space for an agent primitive.
Agent Layer Bindings

Returns the transform that each shape in an agent’s layer is bound to.
Agent Layer Name

Returns the name of the current layer or collision layer of an agent.
Agent Layer Shapes

Returns the names of the shapes referenced by an agent primitive’s layer.
Agent Layers

Returns all of the layers that have been loaded for an agent primitive.
Agent Rig Children

Returns the child transforms of a transform in an agent primitive’s rig.
Agent Rig Find

Finds the index of a transform in an agent primitive’s rig.
Agent Rig Parent

Returns the parent transform of a transform in an agent primitive’s rig.
Agent Transform Count

Returns the number of transforms in an agent primitive’s rig.
Agent Transform Names

Returns the name of each transform in an agent primitive’s rig.
Agent Transforms

Returns the current local or world space transforms of an agent primitive.
Align

Computes a matrix representing the rotation around the axes normal to two vectors by the angle which is between the two vectors.
Alpha Mix

Takes two values for alpha based on the surface orientation relative to the camera and blends between the two with a rolloff as the bias control, effectively removing the silhouettes of the geometry edges.
Ambient

Generates a color using ambient lighting model calculation.
And

Performs a logical "and" operation between its inputs and returns 1 or 0.
Anti-Aliased Flow Noise

Generates anti-aliased (fractional brownian motion) noise by using the derivative information of the incoming position to compute band-limited noise.
Anti-Aliased Noise

Generates anti-aliased noise by using the derivative information of the incoming position to compute band-limited noise.
Anti-Aliased Ramp Parameter
Append

Adds an item to an array or string.
Arctangent

Performs the atan2() function
Array Contains

Checks whether a value exists in an array.
Array Find Index

Finds the first location of an item in an array or string.
Array Find Indices

Finds all locations of an item in an array or string.
Array Length

Produces the length of an array.
Attenuated Falloff

Computes attenuated falloff.
Average

Outputs the average of its inputs.
Average Vector Component

Computes the average value of a vector argument.
BSDF Tint

Tints a BSDF with separate control over colorization and luminance.
Bake Exports

Export shading for use in bake image planes
Bias
Bind

Represents an attribute bound to VEX.
Blend Regions

Takes a float input as a bias to blend between three input regions.
Block Begin

Marks the start of a code block.
Block Begin For

Marks the start of a for loop block.
Block Begin For-Each

Marks the start of a for-each loop block.
Block Begin If

Marks the start of an if code block.
Block End

Marks the end of a code block.
Block End Break-If

Marks the end of a code block.
Block End While

Marks the end of a while code block.
Bounding Box

Returns two vectors representing the minimum and maximum corners of the bounding box for the specified geometry.
Box Clip

Clips the line segment defined by p1 and p2 to the bounding box specified by the min and max corner points.
Boxes

Generates repeating filtered squares.
Bricker

Generates a brick pattern based on the parametric s and t coordinates.
Brushed Circles

Outputs an angle that gives the appearance of a circular brush pattern when used with anisotropy direction.
Brushed Metal Shader

A basic brushed metal shader.
Build Array

Outputs the array consisting of its inputs as array elements.
Bump Noise

Displaces surfaces along their normal using anti-aliased noise, and returns the displaced surface position, normal, and displacement amount.
Bump To Normal Map

Compute a tangent-space normal map from a bump map
Burlap

Generates a burlap displacement pattern useful for simulating rough cloth or weave patterns.
Burlap Pattern

Returns float between 0 and 1 which defines a burlap pattern useful for simulating rough cloth or weave patterns.
COP Input

Returns a pixel value in one of the 4 input COPs connected to the VEX COP.
CVEX Shader

Container for a CVEX shader implementation.
Car Paint Shader

Simulates car paint with embedded metallic flakes and a coat layer.
Cavities

Produces a surface displacement that simulates small surface damage using anti-aliased noise of various frequencies.
Ceiling

Returns the smallest integer greater than or equal to the argument.
Cellular Cracks

Generates a cellular crack displacement suitable for simulating skin, leather, dried earth, and all kinds of crusts.
Cellular Noise

Computes 2D, anti-aliased cellular noise suitable for shading.
Charactor to String

Converts an unicode codepoint to a UTF8 string.
Checkered

Returns number between 0 and 1 which defines a checkered pattern useful for visualizing parametric or texture coordinates.
Clamp

Clamps the input data between the minimum and maximum values.
Class Cast

Downcasts a generic (anonymous) co-shader object to a specific co-shader
Classic Shader

Flexible material including multiple reflection layers, subsurface scattering, refractions and displacement.
Classic Shader Core

A powerful, highly flexible, generic surface shader with displacement.
Collect
Color Correction

Provides a means to change the hue, saturation, intensity, bias, gain and gamma of the input color.
Color Map

Looks up a single sample of RGB or RGBA color from a disk image.
Color Mix

Computes a blend (or a mix) of its two color inputs, and outputs the resulting color.
Color Transform
Compare

Compares two values and returns true or false.
Complement

Computes the complement of the argument by subtracting the argument from 1.
Composite
Compute Lighting

Computes lighting using Physically Based Rendering.
Compute Normal

This node gives finer control over handling of the normal attribute in VOPs.
Compute Tangents

Compute surface tangents in different ways.
Conductor Fresnel

Outputs a physically correct reflection factor for conductive materials.
Conserve Energy

Clamp the reflectivity of a bsdf to 1.
Constant

Outputs a constant value of any VEX data type.
Contour

Increases or decreases contrast for values at the bottom of the input range.
Copy

Takes a single input of any data type.
Cosine

Performs a cosine function.
Crackle

Returns float between 0 and 1 which defines a crackle pattern useful for simulating the fine grain texture in skin or on a much larger scale dried mudflats.
Create Point Group

Creates a new point group with the name specified.
Cross Product

Computes the cross product between two vectors, defined as the vector perpendicular to both input vectors.
Curl Noise

Creates divergence-free 3D noise using a curl function.
Curl Noise 2D

Creates divergence-free 2D noise using a curl function.
Curvature

Computes surface curvature.
Decal

An OTL that performs composting of texture maps.
Degrees to Radians

Converts degrees to radians.
Delayed Load Procedural
Delayed Read Archive
Depth Map

Works on an image which was rendered as a z-depth image, returning the distance from the camera to the pixel (or plane) in question.
Determinant

Computes the determinant of a 4×4 or 3×3 matrix.
Direct Lighting

Internal VOP used to compute direct lighting.
Displace

Displaces surface position and modifies surface normals.
Displace Along Normal

Displaces the surface along the surface normal by a given amount.
Displacement Texture

Modifies normals and/or positions based on a texture map.
Distance

Returns the distance between two 3D or 4D points.
Distance Point to Line

Returns the closest distance between a point and a line segment defined by two end points.
Divide

Outputs the result of dividing each input value by the next.
Divide Constant

Divides the incoming integer, float, vector or vector4 value by the specified constant value.
Dot Product

Computes the dot product between two vectors.
Dual Rest

Outputs sanitized dual rest values based.
Dual Rest Solver

Sanitizes dual rest attribute data for easier use.
Edge Falloff

Creates a smooth roll-off of the input color from the center of the geometry to the edges, based on the surface normal.
Eggshell Pattern

Returns a new surface normal (N) which has a slight fine grained bump on it.
Eigenvalues
Ends With

Result 1 if the string ends with the specified string.
Environment Map

Sets the environment map (on an infinite sphere) and returns its color.
Euler to Quaternion

Builds a quaternion with the given euler rotation.
Exponential

Computes the exponential function of the argument.
Extract Transform

Extracts the translation, rotation, scale or shear component of a 4×4 transform matrix.
Fake Caustics

Outputs and opacity value which can be used to approximate caustic lighting effects.
Fast Shadow

Sends a ray from the position P along the direction specified by the direction D.
Field Name

Provides a "fallback" value for a field/attribute if the field does not exist or the given field name is an empty string.
Field Parameter

Provides a "fallback" value for a field/attribute if the field does not exist or the given field name is an empty string.
Filament Sample
Filter Pulse Train

Filters the input.
Filter Shadow

Sends a ray from the position P along the direction specified by the direction D, a…
Filter Step

Computes the anti-aliased weight of the step function.
Filter Width

This function returns the square root of the area of a 3D input or the length of the derivative of a float input, such as s or t.
Find Attribute Value
Find Attribute Value Count
Find Attribute Value by Index
Fit Range

Takes the value in the source range and shifts it to the corresponding value in the destination range.
Fit Range (Unclamped)

Takes the value in the source range and shifts it to the corresponding value in the destination range.
Float to Integer

Converts a float value to an integer value.
Float to Matrix

Converts sixteen floating-point values to a 4×4 matrix value.
Float to Matrix2

Converts four floating-point values to a matrix2 value.
Float to Matrix3

Converts nine floating-point values to a matrix3 value.
Float to Vector

Converts three floating-point values to a vector value.
Float to Vector2

Converts two floating-point values to a vector2 value.
Float to Vector4

Converts four floating-point values to a vector4 value.
Floor

Returns the largest integer less than or equal to the argument.
Flow Noise

Generates 1D and 3D Perlin Flow Noise from 3D and 4D data.
Fraction

Computes the fractional component of the argument.
Fresnel

Computes the Fresnel reflection/refraction contributions given a normalized incident ray, a normalized surface normal, and an index of refraction.
From NDC

Transforms a position from normal device coordinates to the coordinates in the appropriate space.
From NDC

Transforms a position from normal device coordinates to the coordinates in the appropriate space.
From Polar

Converts polar coordinates to cartesian coordinates.
Front Face

Returns the front facing normal of a surface, given a surface normal (N) and an incident ray (I).
Fur Guide Global Variables

Provides outputs representing commonly used input variables of fur guide shader network.
Fur Guide Output Variables and Parameters

Provides inputs representing the output variables of a fur guide shader network.
Fur Procedural

Creates a set of hair-like curves across a surface at render time.
Fur Skin Global Variables

Provides outputs representing commonly used input variables of fur skin shader network.
Fur Skin Output Variables and Parameters

Provides inputs representing the output variables of a fur skin shader network.
Furrows

Displaces the surface along the surface normal by an amount equal to the value of an anti-aliased cosine wave.
Fuzzy And

Performs a fuzzy "and" operation between its inputs and returns a value between 0 and 1.
Fuzzy Defuzz

Performs a defuzzify operation between its input fuzzy sets and returns a crisp value.
Fuzzy Inference

Performs a fuzzy inference operation over each input to determine the truth of the fuzzy set defined on this node.
Fuzzy Inference Mirror

"This node represents two inferred fuzzy sets that are mirrors of one another.
Fuzzy Input

Performs a "fuzzify" operation that calculates a fuzzy value given a membership function and an input crisp value.
Fuzzy Not

This operator performs a fuzzy not operation on an integer or float value.
Fuzzy Obstacle Sense

Detects obstacles in an agent’s field of view.
Fuzzy Or

Performs a fuzzy "or" operation between its inputs and returns a value between 0 and 1.
Gain
Gather Loop

Sends rays into the scene and contains a subnetwork of VOPs to operate on the information gathered from the shaders of surfaces hit by the rays.
Gaussian Random

Generates a random number fitting a Gaussian distribution.
Gaussian Random UV

Generates a random number fitting a Gaussian distribution.
General Fresnel

Computes the Fresnel reflection/refraction contributions and vectors for objects with or without depth.
Geometry VOP Global Parameters

Provides outputs that represent all the global variables for the Attribute VOP network types.
Geometry VOP Output Variables

Simple output variable for Geometry VOP Networks.
Get Attribute
Get BSDF Albedo

Compute the reflectivity of a bsdf.
Get Blur P
Get CHOP Attribute

Returns a CHOP attribute value in one of the 4 input CHOPs connected to the Channel VOP.
Get Channel Transform

Returns a transform value built from 9 channels from one of the 4 input CHOPs connected to the Channel VOP.
Get Channel Value

Returns a sample value in one of the 4 input CHOPs connected to the Channel VOP.
Get Channel Value by Name

Returns a sample value in one of the 4 input CHOPs connected to the Channel VOP.
Get Element

Gets a specified element from array.
Get Layer Export

Obtains a value of the export variable added to the Shader Layer struct.
Get Matrix Component

Extracts a 4×4 matrix component.
Get Matrix2 Component

Extracts a 2×2 matrix3 component.
Get Matrix3 Component

Extracts a 3×3 matrix3 component.
Get Object Transform

Gets the transform matrix of a named object in camera (current) space.
Get PTexture ID
Get Primitive ID
Get Vector Component

Extracts a vector component.
Get Vector2 Component

Extracts a vector2 component.
Get Vector4 Component

Extracts a vector4 component.
Gingham Checks

Generates anti-aliased gingham checks similar to a tablecloth pattern.
Global Variables

Provides outputs that represent all the global variables for the current VOP network type.
Gradient 3D

Returns the gradient of a single channel 3D texture image at a specified position within that image.
HSV to RGB

Converts HSV color space to RGB color space.
Hair Normal

Generates a normal vector which always faces the camera, parallel to the incidence vector.
Hair Shader

A powerful, highly flexible, general model for hair/fur shading.
Has Input

Returns 1 if the specified input (0-3) is connected.
High-Low Noise

Computes a mix of high and low frequency, anti-aliased noise with a wide range of applications.
Houdini Engine Procedural: Curve Generate

Cooks a SOP asset for each point in the source geometry and instances the generated curves onto the point.
Houdini Engine Procedural: Point Generate

Cooks a SOP asset for each point in the source geometry and instances the generated points onto the point.
Hue Shift

Uses the shift value to move the hue of the input color along the color wheel by the amount influenced by the amplitude.
If Connected

Passes through the value of the first input if the first input is ultimately connected.
Illuminance Loop

Only available in Surface VOP networks.
Image 3D Iso-Texture Procedural

This procedural will generate an iso-surface from a 3D texture image (.i3d file).
Image 3D Volume Procedural

This procedural will generate a volume from a 3D texture image (.i3d file).
Import Attribute

Imports attribute data from the OP connected to the given input.
Import Detail Attribute
Import Displacement Variable

Imports the value of the specified variable from a displacement shader and stores it in var.
Import Light Variable

Imports the value of the specified variable from a light shader and stores it in var.
Import Point Attribute
Import Primitive Attribute
Import Properties from OpenColorIO

Imports a color space property from Open Color IO.
Import Ray Variable

Imports the value of the specified variable sent from a trace() function and stores it in var.
Import Surface Variable

Imports the value of the specified variable from a surface shader and stores it in var.
Import Vertex Attribute
In Group

Returns 1 if the point or primitive is in the group specified by the string.
Indirect Lighting

Internal VOP used to compute indirect lighting.
Inline Code

Write VEX code that is put directly into your shader or operator definition.
Insert

Inserts an item, array, or string into an array or string.
Instance with Hscript Procedural

Runs hscript for each point in the source geometry and instances the generated geometry to the point.
Integer to Float

Converts an integer value to a float value.
Integer to Vector
Intersect

Computes the intersection of a ray with geometry.
Intersect All

Computes all the intersections of a ray with geometry.
Invert

If given a 3×3 or 4×4 matrix, this operator computes its inverse (or just returns the input matrix if it detects singularity).
Irradiance

Computes the irradiance (the global illumination) at the point P with the normal N.
Is Alphabetic

Result 1 if all the characters in the string are alphabetic.
Is Connected

Outputs 1 if the input is ultimately connected, otherwise it outputs 0.
Is Digit

Result 1 if all the characters in the string are numeric.
Is Finite

Returns 1 if the number is a normal number, ie, not infinite or NAN.
Is Fog Ray

Returns 1 if the shader is being evaluated from within a fog shader.
Is Front Face

Returns true if the normal of the surface is forward facing, and false if it isn’t.
Is NAN

Returns 1 if the number is not a number.
Is Shadow Ray

Returns 1 if the shader is being evaluated for shadow rays.
Jittered Hair Normal
Join Strings

Concatenate all the strings of an array inserting a common spacer.
Lambert

Generates a color using the Lambert diffuse lighting model calculation.
Layer Composite

Combines two layers using standard compositing operations.
Layer Mix

Outputs a mix of the two input layers, blended using the alpha value.
Length

Computes the length of an array
Length

Computes the length of a 3D or 4D vector.
Lighting Model

Performs a lighting model calculation to generate a color.
Limits

Selectively clamps values to a minimum and/or maximum value.
Logarithm

Computes the natural logarithm function of the argument.
Look At

Computes a 3×3 rotation matrix to orient the z-axis along the vector (to - from) under the transformation.
Luminance

Computes the luminance of the RGB color specified by the input parameter.
Make Instance Transform

Builds a general 4×4 transform matrix derived from the standard copy/instance attributes
Make Space Transform

Returns the transformation matrix to transform from a transform space such as an object’s transform space to another space, such as world space.
Make Transform

Builds a general 4×4 transform matrix.
Mandelbrot Set

Generates a Mandelbrot pattern.
Material shader builder

A higher-level shader that can contain one or more sub-shaders, such as surface shaders, displacement shaders, and rendering properties.
Matrix to Float

Unpacks a 4×4 matrix into its sixteen components.
Matrix to Vector4

Unpacks a 4×4 matrix into its rows.
Matrix2 to Float

Unpacks a 2×2 matrix2 into its four components.
Matrix2 to Matrix3

Converts a 2×2 matrix to a 3×3 matrix.
Matrix2 to Matrix4

Converts a 2×2 matrix to a 4×4 matrix.
Matrix2 to Vector2

Unpacks a 2×2 matrix into its rows.
Matrix3 to Float

Unpacks a 3×3 matrix3 into its nine components.
Matrix3 to Matrix2

Converts a 3×3 matrix to a 2×2 matrix.
Matrix3 to Matrix4
Matrix3 to Quaternion

Converts a matrix3, representing a rotation, to a quaternion representing the same rotation.
Matrix3 to Vector

Unpacks a 3×3 matrix into its rows.
Matrix4 to Matrix2

Converts a 4×4 matrix to a 2×2 matrix.
Matrix4 to Matrix3
Matte

Implements a matte shader that occludes geometry behind the surface being rendered.
Max Vector Component

Computes the maximum value of a vector argument.
Maximum

Outputs the maximum value from its inputs.
Meta-Loop Import

Takes a handle generated by the Meta-Loop Start operator and will import attributes…
Meta-Loop Next

Takes a handle generated by the Meta-Loop Start operator and will "iterate" to the …
Meta-Loop Start

Opens a geometry file and initializes the handle to iterate through all metaballs at the position specified.
Metaball Attribute

Returns the value of the given point attribute at the specified position in the metaball field.
Metaball Density

Returns the density of the metaball field at the specified position.
Metaball Space

Transforms the specified position into the local space of the metaball.
Metaball Weight

Returns the metaweight of the geometry at a given position.
Metadata

Returns true if the specified metadata exists.
Metadata

Returns metadata from one of the 4 input COPs connected to the VEX COP.
Method

Represents a method inside a class-based shader.
Method Call

Invokes a given method on a given struct or co-shader object.
Method Input

Represents a method argument list inside a class-based shader.
Method Subner

Represents a method inside a class-based shader.
Min Vector Component

Computes the minimum value of a vector argument.
Minimum

Outputs the minimum value from its inputs.
Minimum Position

Finds closest position on a primitive in a given geometry file.
Mix

Computes a blend (or a mix) of its input values using linear interpolation.
Modulo

Computes the modulo of two values.
Multiply

Outputs the product of its inputs.
Multiply Add Constant

Will take the input value, add the pre-add amount, multiply by the constant multiplier, then add the post-add amount.
Multiply Constant

Multiplies the incoming value by a constant.
Near Point

Finds closest point in a given geometry file.
Negate

Negates the incoming integer, float, vector or vector4 value.
Neighbor Count File

Count the number of connected points from a given point in a given geometry file (or op:path)
Neighbor File

Finds the nth neighbouring point for a given point in a given geometry file.
Neighbors

Retrieves an array of indices to the points connected to the given point.
Non-Deterministic Random

A non-deterministic random number generator.
Normal Clamp

Clamp shading normals to prevent bad reflection directions
Normal Falloff

Generates a falloff value based on the relationship between the normal and incident vectors.
Normalize

Normalizes a vector.
Not

This operator performs a logical not operation on an integer value, returning 1 if the input is zero, and 0 if the input is non-zero.
Null

Passes the inputs to the output with an optional name change.
OCIO Color Transform

Transforms color spaces using Open Color IO.
OSL Bias
OSL Calculate Normal
OSL Dx/Dy/Dz
OSL Environment Map
OSL Gain
OSL Logarithm
OSL Shader

Implements an OSL shader.
OSL Step
OSL Texture Map
OSL Transform
OSL Transform Color
Occlusion

Computes ambient occlusion at the point P with the normal N.
Ocean Sample Layers

Sample ocean values from layered ocean spectra at the specified position and time.
OpenSubdiv Face Count

Returns the number of coarse faces in the subdivision hull
OpenSubdiv First Patch

Returns the patch of the first patch for a given face in the subdivision hull.
OpenSubdiv Limit Surface

Evaluates a point attribute on the limit of a subdivision surface.
OpenSubdiv Lookup Face

Outputs the Houdini face and UV coordinates corresponding to the given coordinates on an OSD patch.
OpenSubdiv Lookup Patch

Outputs the OSD patch and UV coordinates corresponding to the given coordinates on a Houdini polygon face.
OpenSubdiv Patch Count

Returns the number of patches in the subdivision hull
Or

This operator performs a logical "or" operation between its inputs and returns 1 or 0 .
Oren-Nayar

Generates a color using the Oren-Nayar diffuse lighting model calculation.
Orient

Reorients a vector representing a direction by multiplying it by a 4×4 transform matrix.
Oscillations

Returns an anti-aliased cosine or sine wave.
Outer Product

Computes the outer product of a pair of vectors.
Output Variables and Parameters

Provides inputs representing the writable output variables of the shader network.
PBR Emission

Makes a shaded surface emissive.
PBR Hair Primary Reflection

Produce a hair BSDF.
PBR Hair Secondary Reflection

Produce a hair BSDF.
PBR Hair Transmission

Produce a hair BSDF.
PBR Lighting

Evaluate Lighting Using PBR.
PBR Metallic Reflection

Computes metallic reflections.
PBR SSS

Creates an approximate SSS BSDF.
PBR Single Scatter

Creates a Single Subsurface Scatter BSDF.
PBR Volume Phase Function
PRB Diffuse

Produce a normalized diffuse bsdf.
Parameter

Represents a user-controllable parameter.
Periodic Noise

Generates 1D and 3D Perlin noise from 1D, 3D and 4D data.
Periodic Worley Noise

Computes 1D, 3D, and 4D tileable Worley noise, which is synonymous with "cell noise".
Photon Output Variables

Performs photon russian roulette.
Physical SSS

Outputs surface color based on a physically-based subsurface scattering model. This node an do physically correct single scattering and/or multiple scattering.
Pixel Area

Returns the area of the current pixel after being transformed to the new UV coordinate uvpos.
Pixel Derivative

Returns U and V derivatives of the current pixel.
Plane Clip

Clips the line segment defined by p1 and p2 against the 3D plane defined by the following equation: plane.
Plane Count

Returns the number of planes in the input.
Plane Exists

Returns the name of the plane with the index plane_index in input input_index.
Plane Index

Returns the index of the plane with the name plane_index in input input_index.
Plane Name

Returns the name of the plane with the index plane_index in input input_index.
Plane Size

Returns the number of components in the plane with the index plane_index in input input_index.
Point Bounding Box

Returns two vectors representing the minimum and maximum corners of the bounding box for the specified geometry.
Point Cloud Close

This node closes a point cloud handle opened by pcopen.
Point Cloud Export

This node exports point data while inside a pcunshaded loop.
Point Cloud Farthest

This node finds the farthest query point produced by pcopen.
Point Cloud Filter

This node filters the points queried by pcopen.
Point Cloud Find

Returns a list of closest points from a file
Point Cloud Find Radius

Returns a list of closest points from a file taking into account their radii.
Point Cloud Import

This node imports point data while inside a pciterate or pcunshaded loop.
Point Cloud Import by Index

This node imports point data from a pcopen.
Point Cloud Iterate

This node advances to the next iteration point returned by pcopen.
Point Cloud Num Found

This node returns the number of points found by pcopen.
Point Cloud Open

This node opens a point cloud file and searches for points around a source position.
Point Cloud Unshaded

This node advances to the next unshaded iteration point returned by pcopen.
Point Cloud Write

This function writes data for the current shading point out to a point cloud file.
Point Count

Returns the number of points for all primitives in the given geometry.
Point In Group

Returns 1 if the point specified by the point number is in the group specified by the string.
Point Instance Procedural

The underlying procedural when using Fast Point Instancing with the instance render parameters.
Point Loop

Only available in Image3D VOP networks.
Point Replicate

The Point Replicate Procedural takes a number of input points and multiplies them, and processes the result using a CVEX script.
Pop

Removes the last element of an array and returns it.
Power

Raises the first argument to the power of the second argument.
Primitive Attribute

Evaluates an attribute for a given primitive at the specified uv parametric location.
Primitive Intrinsic

Evaluates an intrinsic on a given primitive.
Primitive Normal

Returns the normal of a primitive (defined by its number) at the given uv parametric location.
Principled Shader

An artist-friendly shader that can model a large number of materials realistically.
Principled Shader

An artist-friendly shader that can model a large number of materials realistically.
Print

Generate a formatted text string.
Promote Layer Exports

Promotes the export variables from the Shader Layer struct to the parent shader
Properties
Pxr AOV Light

Pxr AOV Light shader
Pxr Adjust Normal

Pxr Adjust Normal shader
Pxr Area Light

Pxr Std Area Light light shader
Pxr Attribute

Pxr Attribute shader
Pxr Background Display Filter

Pxr Background Display Filter shader
Pxr Background Sample Filter

Pxr Background Sample Filter shader
Pxr Bake Point Cloud

Pxr Bake Point Cloud shader
Pxr Bake Texture

Pxr Bake Texture shader
Pxr Barn Light Filter

Pxr Barn Light Filter shader
Pxr Black

Pxr Black shader
Pxr Black Body

Pxr Black Body pattern shader
Pxr Blend

Pxr Blend shader
Pxr Blocker

Pxr Blocker light filter shader
Pxr Blocker Light Filter

Pxr Blocker Light Filter shader
Pxr Bump

Pxr Bump shader
Pxr Bump Manifold 2d

Pxr Bump Manifold 2d shader
Pxr Camera

Pxr Camera shader
Pxr Checker

Pxr Checker shader
Pxr Clamp

Pxr Clamp shader
Pxr Color Correct

Pxr Color Correct shader
Pxr Combiner Light Filter

Pxr Combiner Light Filter shader
Pxr Constant

Pxr Constant shader
Pxr Cookie Light Filter

Pxr Cookie Light Filter shader
Pxr Copy AOV Display Filter

Pxr Copy AOV Display Filter shader
Pxr Copy AOV Sample Filter

Pxr Copy AOV Sample Filter shader
Pxr Cross

Pxr Cross shader
Pxr DebugShadingContext

Pxr DebugShadingContext shader
Pxr Default

Pxr Default integrator shader
Pxr Direct Lighting

Pxr Direct Lighting integrator shader
Pxr Dirt

Pxr Dirt shader
Pxr Disk Light

Pxr Disk Light shader
Pxr Disney

Pxr Disney bxdf shader
Pxr Disp Transform

Pxr Disp Transform shader
Pxr Disp Vector Layer

Pxr Disp Vector Layer shader
Pxr Displace

Pxr Displace shader
Pxr Displacement

Pxr Displacement shader
Pxr Display Filter Combiner

Pxr Display Filter Combiner shader
Pxr Disps Calar Layer

Pxr Disps Calar Layer shader
Pxr Distant Light

Pxr Distant Light shader
Pxr Dome Light

Pxr Dome Light shader
Pxr Dot

Pxr Dot shader
Pxr Envday Light

Pxr Envday Light shader
Pxr Exposure

Pxr Exposure shader
Pxr FacingRatio

Pxr FacingRatio shader
Pxr Filmic Tone Mapper Display Filter

Pxr Filmic Tone Mapper Display Filter shader
Pxr Filmic Tone Mapper Sample Filter

Pxr Filmic Tone Mapper Sample Filter shader
Pxr Flakes

Pxr Flakes shader
Pxr Fractal

Pxr Fractal pattern shader
Pxr Fractialize

Pxr Fractialize shader
Pxr Gamma

Pxr Gamma shader
Pxr Geometric AOVs

Pxr Geometric AOVs shader
Pxr Gobo

Pxr Gobo light filter shader
Pxr Gobolight Filter

Pxr Gobolight Filter shader
Pxr Grade Display Filter

Pxr Grade Display Filter shader
Pxr Grade Sample Filter

Pxr Grade Sample Filter shader
Pxr Hair Color

Pxr Hair Color shader.
Pxr Half Buffer Error Filter

Pxr Half Buffer Error Filter shader.
Pxr Hsl

Pxr Hsl shader
Pxr Image Display Filter

Pxr Image Display Filter shader
Pxr Image Plane Filter

Pxr Image Plane Filter shader
Pxr Int Mult Light Filter

Pxr Int Mult Light Filter shader
Pxr Invert

Pxr Invert shader
Pxr Layer

Pxr Layer shader
Pxr Layer Mixer

Pxr Layer Mixer shader
Pxr Layered Texture

Pxr Layered Texture shader
Pxr Layeredblend

Pxr Layeredblend shader
Pxr Light Probe

Pxr Light Probe shader
Pxr Lightemission

Pxr Lightemission shader
Pxr Lmdiffuse

Pxr Lmdiffuse shader
Pxr Lmglass

Pxr Lmglass shader
Pxr Lmlayer

Pxr Lmlayer shader
Pxr Lmmixer

Pxr Lmmixer shader
Pxr Lmplastic

Pxr Lmplastic shader
Pxr Lmsubsurface

Pxr Lmsubsurface shader
Pxr Manifold 3D

Pxr Manifold 3D manifold shader
Pxr Manifold2d

Pxr Manifold2d shader
Pxr Manifold3dn

Pxr Manifold3dn shader
Pxr Marschnerhair

Pxr Marschnerhair shader
Pxr Matteid

Pxr Matteid shader
Pxr Mesh Light

Pxr Mesh Light shader
Pxr Mix

Pxr Mix shader
Pxr Multi Texture

Pxr Multi Texture shader
Pxr Normalmap

Pxr Normalmap shader
Pxr Occlusion

Pxr Occlusion shader
Pxr Omini Directional Stereo

Pxr Omini Directional Stereo
Pxr Osl

Pxr Osl shader
Pxr Path Tracer

Pxr Path Tracer integrator shader
Pxr Portal Light

Pxr Portal Light shader
Pxr Primvar

Pxr Primvar shader
Pxr Projection Stack

Pxr Projection Stack shader
Pxr Projectionlayer

Pxr Projectionlayer shader
Pxr Projector

Pxr Projector shader
Pxr Ptexture

Pxr Ptexture shader
Pxr Ramp

Pxr Ramp shader
Pxr Ramp Light Filter

Pxr Ramp Light Filter shader
Pxr Random Texture Manifold

Pxr Random Texture Manifold shader.
Pxr Rect Light

Pxr Rect Light shader
Pxr Remap

Pxr Remap shader
Pxr Rod Light Filter

Pxr Rod Light Filter shader
Pxr Rolling Shutter

Pxr Rolling Shutter shader
Pxr Roundcube

Pxr Roundcube shader
Pxr Sample Filter Combiner

Pxr Sample Filter Combiner shader
Pxr Seexpr

Pxr Seexpr shader
Pxr Shaded Side

Pxr Shaded Side shader
Pxr Shadow Display Filter

Pxr Shadow Display Filter shader
Pxr Shadow Filter

Pxr Shadow Filter shader
Pxr Sphere Light

Pxr Sphere Light shader
Pxr Std Env Day Light

Pxr Std Env Day Light light shader
Pxr Std Env Map Light

Pxr Std Env Map Light light shader
Pxr Surface

Pxr Surface shader
Pxr Tangentfield

Pxr Tangentfield shader
Pxr Tee

Pxr Tee shader
Pxr Texture

Pxr Texture shader
Pxr Thinfilm

Pxr Thinfilm shader
Pxr Threshold

Pxr Threshold shader
Pxr Tile Manifold

Pxr Tile Manifold shader
Pxr Tofloat

Pxr Tofloat shader
Pxr Tofloat3

Pxr Tofloat3 shader
Pxr UPBP

Pxr UPBP shader
Pxr VCM

Pxr VCM integrator shader
Pxr Validatebxdf

Pxr Validatebxdf shader
Pxr Variable

Pxr Variable shader
Pxr Vary

Pxr Vary shader
Pxr Visualizer

Pxr Visualizer shader
Pxr Volume

Pxr Volume shader
Pxr Voronoise

Pxr Voronoise pattern shader
Pxr White Point Display Filter

Pxr White Point Display Filter shader
Pxr White Point Sample Filter

Pxr White Point Sample Filter shader
Pxr Worley

Pxr Worley shader
PxrLm Metal

PxrLm Metal shader
Pyro Blackbody

Converts a temperature value into color (chroma) and intensity according to the blackbody radiation model.
Pyro Color Correct

Provides color correction functions.
Pyro Color Model

Provides constant, artistic, and physically correct (blackbody) tint as well as color correction functions.
Pyro Color Volume

Provides functions for editing color fields by conditioning the field values, adding noise, filtering, and color correction.
Pyro Core Shader

Provides the core functionality needed to build a high-quality volumetric shader.
Pyro Density Volume

Provides functions for editing fields such as density by conditioning the field values, adding noise, and filtering.
Pyro Displace
Pyro Field
Pyro Noise
Quaternion

Takes an angle and an axis and constructs the quaternion representing the rotation about that axis.
Quaternion Distance

Computes distance between quaternions in radians.
Quaternion Invert

Takes an quaternion inverts it..
Quaternion Multiply

Performs a quaternion multiplication with its two inputs.
Quaternion to Angle/Axis

Converts a quaternion to angle/axis form.
Quaternion to Matrix3

Converts a vector4, representing a quaternion, to a matrix3 value, representing the same rotation.
RGB to HSV

Converts RGB color space to HSV color space.
RSL Gather Loop

Sends rays into the scene and contains a subnetwork of VOPs to operate on the information gathered from the shaders of surfaces hit by the rays.
RSL Material

Implements an RSL material.
Radians to Degrees

Converts radians to degrees.
Rainbow

Generates a non-repeating rainbow color ramp by modulating the hue over the range of the parametric coordinate s and using the given saturation and value to compute the HSV color.
Ramp Filter

Adds anti-aliased analytical filtering to the output of a Ramp Parameter VOP.
Ramp Parameter

Represents a user-editable ramp parameter.
Ramps

Generates repeating filtered ramps.
Random

Generates a random number based on the position in one, three, or four dimensions.
Random Sobol

Generates a random number in a Sobol sequence.
Random Value
Ray Bounce Level

Returns the current ray-bounce level.
Ray Bounce Weight

Returns the amount that the current bounce level will contribute to the final pixel color.
Ray Hit

This operator sends a ray from the position P along the direction specified by the direction D, and returns the distance to the object intersected or a negative number if not object found.
Ray Trace

Sends a ray starting at origin P and in the direction specified by the normalized vector D.
Reflect

Returns the vector representing the reflection of the direction against the normal vector.
Reflected Light

Computes the amount of reflected light which hits the surface.
Refract

Computes the refraction ray given an incoming direction, the normalized normal and an index of refraction.
Refracted Light

Sends a ray starting at origin P and in the direction specified by the normalized vector I.
Regex Find

Finds the given regular expression in the string.
Regex Findall

Finds all instances of the given regular expression in the string.
Regex Match

Result 1 if the entire input string matches the expression.
Regex Replace

Replaces instances of find_regex with replace_regex.
Regex Split

Splits the given string based on regex match.
Relative to Bounding Box

Returns the relative position of the point given with respect to the bounding box of the specified geometry.
Relative to Point Bounding Box

Returns the relative position of the point given with respect to the bounding box of the specified geometry.
Remove Index

Removes an item at the given index from an array.
Remove Point

Removes points from the geometry.
Remove Primitive
Remove Value

Removes an item from an array.
Render State

Gets state information from the renderer.
RenderMan Bias
RenderMan Calculate Normal
RenderMan Deriv
RenderMan Du/Dv
RenderMan Environment Map
RenderMan Gain
RenderMan Illuminance Loop
RenderMan Illuminate Construct
RenderMan Import Value
RenderMan Indirect Diffuse
RenderMan Logarithm
RenderMan Occlusion
RenderMan Ray Information
RenderMan Render State Information
RenderMan Shadow Map
RenderMan Step
RenderMan Surface Color
RenderMan Texture Map
RenderMan Texture Map Information
RenderMan Transform
RenderMan Transform Color
RenderMan Z-Depth From Camera
Reorder

Reorders items in an array or string.
Report Error

Optionally report a custom VEX error or warning.
Reshape Value

Modulates input value using a variety of methods.
Resolution

Returns the pixel resolution of an input.
Rest Position

Checks if the geometry attribute "rest" is bound and, if so, uses it as the rest position for shading.
Return

Generates a return statement inside a method or a function defined by the parent subnet.
Reverse

Adds an item to an array or string.
Rings

Generates repeating filtered rings.
Ripples

Generates repeating ripples.
Rotate

Applies a rotation by 'angle' radians to the given 3×3 or 4×4 matrix.
Rotate by Quaternion

Rotates a vector by a quaternion.
Round to Integer

Rounds the argument to the closest integer.
Rounded Edge

Blends the normals between faces within specified radius.
Rounded Hexes

Generates repeating filtered rounded hexagons.
Rounded Stars

Generates repeating filtered rounded five-pointed stars.
Run External Program Procedural

This procedural will run an external application in order to generate geometry at render time.
SSS Component

Adds energy conservation functionality and additional controls to the Physical SSS VOP.
Sample Sphere

Samples the interior or surface of the unit circle, sphere, or hypersphere, within a max angle of a direction.
Scale

Scales a 3×3 or 4×4 matrix by 'amount' units along the x,y, and z axes.
Scales

Generates a scale-like pattern and returns the displaced position, normal, and displacement amount.
Sensor Panorama Color

Requests the rendered color from a specified direction
Sensor Panorama Cone

Returns an average direction, color, depth, and strength.
Sensor Panorama Create

Renders the surrounding environment
Sensor Panorama Depth

Requests the rendered depth from a specified direction
Sensor Panorama Save

Saves the rendered panorama to a specified output file
Sensor Save

Saves sensor data to image files.
Set Agent Clip Names

Sets the current animation clips for an agent primitive.
Set Agent Clip Times

Sets the current times for an agent primitive’s animation clips.
Set Agent Clip Weights

Sets the blend weights for an agent primitive’s animation clips.
Set Agent Layer

Sets the current layer or collision layer of an agent primitive.
Set Agent Transforms

Overrides the transforms of an agent primitive.
Set Attribute
Set CHOP Attribute

Sets a CHOP attribute value.
Set Channel Tranform

Sets a transform value when evaluating a Channel VOP in Tranlate/Rotate/Scale mode.
Set Channel Value

Sets a channel value when evaluating a Channel VOP in Channel/Sample modes.
Set Element

Sets the element at the specified index.
Set Layer Export

Adds layer exports to the Shader Layer struct
Set Matrix Component

Assigns a value to one of the matrix’s components.
Set Matrix2 Component

Assigns a value to one of the matrix2's components.
Set Matrix3 Component

Assigns a value to one of the matrix3's components.
Set Primitive Vertex
Set Vector Component

Assigns a value to one of the vector’s components.
Set Vector2 Component

Assigns a value to one of the vector2's components.
Set Vector4 Component

Assigns a value to one of the vector4's components.
Shader Output Export Variables

Represents export parameters in a shader call.
Shader Output Global Variables

Represents global variables that are bound as output parameters in a shader call.
Shading Area

Computes the shading area of the given variable.
Shading Derivative

Computes the derivative of a given variable with respect to the s or t parametric coordinate.
Shading Layer Parameter

Creates a parameter to appear in the signature of the VEX function defined by the VOP network (VOPNET).
Shading Normal

Computes the normal at the location specified by the P position.
Shadow

This shader calls the shadow shader inside an illuminance loop.
Shadow Map

Shadow Map treats the depth map as if the image were rendered from a light source.
Shadow Matte

Implements a shadowmatte shader that occludes geometry behind the surface being rendered.
Sign

Returns -1 if the input is less than 0, otherwise it returns 1.
Sine

Performs a sine function.
Skin Shader Core

A skin shader with three levels of subsurface scattering.
Slice

Slices a sub-string or sub-array of a string or array.
Smooth

Computes a number between zero and one.
Smooth Rotation

Returns the closest equivalent Euler rotations to a reference rotation.
Snippet

Runs a VEX snippet to modify the incoming values.
Soft Clip

Increases or decreases contrast for values at the top of the input range.
Soft Dots

Generates repeating soft dots.
Sort

Returns the array sorted in increasing order.
Specular

Generates a color using the selected specular lighting model calculation.
Specular Sheen

Generates a color using a specular lighting model with a Fresnel falloff calculation.
Spherical Linear Interp

Computes a spherical linear interpolation between its two quaternion inputs, and outputs the intermediate quaternion.
Splatter

Generates a splatter pattern and returns the splatter amount.
Spline

Computes either a Catmull-Rom (Cardinal) spline or a Linear spline between the specified key points, given an interpolant (u) in the domain of the spline.
Split String

Splits a string into tokens.
Sprites Procedural

This procedural will render points as sprites.
Square Root

Computes the square root of the argument.
Starts With

Result 1 if the string starts with the specified string.
String Length

Returns the length of the string.
String to Charactor

Converts an UTF8 string into a codepoint.
Strip

Strips leading and trailing whitespace from a string.
Stripes

Generates repeating filtered stripes.
Struct

Creates, modifies, or de-structures an instance of a structured datatype.
Struct Pack

Bundles input values into an instance of an ad-hoc struct.
Struct Unpack

Extracts one or more values from a struct by member name.
Sub Network

Contains other VOP operators.
Subnet Connector

Represents an input or an output (or both) of the parent VOP subnet.
Subnet Input

Allows the connection of operators outside a subnet to operators inside the subnet.
Subnet Output

Allows the connection of operators inside a subnet to operators outside the subnet.
Subtract

Outputs the result of subtracting all its inputs.
Subtract Constant

Subtracts the specified constant value from the incoming integer, float, vector or vector4 value.
Surface Color

Generates a basic color with a choice of tinting with the point color and/or a color map.
Switch

Switches between network branches based on the value of an input.
Switch Lighting BSDF

Use a different bsdf for direct or indirect lighting.
Swizzle Vector

Rearranges components of a vector.
Swizzle Vector2

Rearranges components of a vector2.
Swizzle Vector4

Rearranges components of a vector4.
Tangent

Performs a tangent function.
Tangent Normal

Transform an input normal to UV/tangent space
Tangent Normal Remap

Transform an input normal from UV/tangent to current space
Tangent Normals

Exports shader normals as a render plane.
Tetrahedron Adjacent

Returns primitive number of an adjacent tetrahedron.
Tetrahedron Adjacent

Returns vertex indices of each face of a tetrahedron.
Texture

Computes a filtered sample of the texture map specified and returns an RGB or RGBA color.
Texture 3D

Returns the value of a 3D image at a specified position within that image.
Texture 3D Box

Queries the 3D texture map specified and returns the bounding box information for the given channel in the min and max corner vectors.
Texture Map
Thin Film Fresnel

Computes the thin film reflection and refraction contributions given a normalized incident ray, a normalized surface normal, and an index of refraction.
Tiled Boxes

Generates staggered rectangular tiles.
Tiled Hexagons

Generates staggered hexagonal tiles.
Timing

Returns the frame range and rate of the given input.
Title Case

Returns a string that is the titlecase version of the input string.
To Lower

Returns a string that is the lower case version of the input string.
To NDC

Transforms a position into normal device coordinates.
To NDC
To Polar

Converts cartesian coordinates to polar coordinates.
To Upper

Returns a string that is the upper case version of the input string.
Trace

Uses the vex gather function to send a ray and return with the reflected or refracted colors.
Transform

Transforms a vector to or from an object’s transform space, or one of several other spaces, such as world or camera space.
Transform Matrix
Translate

Translates a 4×4 matrix 'amount' units along the x,y,z and possibly w axes.
Transpose
Trigonometric Functions

Performs a variety of trigonometric functions.
Turbulent Noise

Can compute three types of 1D and 3D noise with the ability to compute turbulence with roughness and attenuation.
Two Sided

Generates a two sided surface.
Two Way Switch

Takes an integer input.
UV Coords

Returns texture coordinates or geometric s and t, depending on what is defined.
UV Noise

Disturbs the incoming parametric s and t coordinates using anti aliased noise generated from the Surface Position input.
UV Planar Project

Computes UV co-ordinates projected along a single axis, derived from the position of an object, and generates a mask relative to the projection axis.
UV Position
UV Project

Assigns texture coordinates based on the specified projection type.
UV Transform

Transforms texture coordinates by the inverse of the matrix consisting of the translation, rotation, and scale amounts.
UV Tri-planar Project

Projects texture maps along X, Y, and Z axes and blends them together at the seams.
Unified Noise

Presents a unified interface and uniform output range for all the noise types available in VEX.
Unified Noise Static

Presents a unified interface and uniform output range for all the noise types available in VEX.
Unique Value Count of Attribute
Unique Values of Attribute
VOP Force Global

Provides outputs that represent all the global variables for the Force VOP network type.
VOP Force Output Variables

Simple output variable for VOP Force Networks.
Vector Cast

Converts between different vector types.
Vector To Float

Unpacks a vector into its three components.
Vector To Quaternion

Takes an angle/axis vector and constructs the quaternion representing the rotation about that axis.
Vector To Vector4

Converts a vector to a vector4.
Vector to Matrix3

Converts rows values to a 3×3 matrix value.
Vector to Vector2

Converts a vector to a vector2 and also returns the third component of the vector.
Vector2 To Float

Unpacks a vector2 into its two components.
Vector2 To Vector

Converts a vector2 to a vector.
Vector2 To Vector4

Converts a pair of vector2s into a vector4.
Vector2 to Matrix2

Converts rows values to a 2×2 matrix value.
Vector4 to Float

Unpacks a vector4 into its four components.
Vector4 to Matrix

Converts rows values to a 4×4 matrix value.
Vector4 to Vector

Converts a vector4 to a vector and also returns the fourth component of the vector4.
Vector4 to Vector2

Converts a vector4 to a pair of vector2s..
Veins

Generates an anti-aliased vein pattern that can be used in any VEX context.
Vex Volume Procedural

This procedural will generate a volume from a CVEX shader.
Visualize

Exports a vis_ prefixed attribute.
Volume Density to Opacity

Computes the opacity of a uniform volume given a density.
Volume Gradient

Calculates the gradient of a volume primitive stored in a disk file.
Volume Index

Gets the value of a voxel from a volume primitive stored in a disk file.
Volume Index To Pos

Calculates the position of a voxel in a volume primitive stored in a disk file.
Volume Index Vector

Gets the vector value of a voxel from a volume primitive stored in a disk file.
Volume Model

A shading model for volume rendering.
Volume Pos To Index

Calculates the voxel closest to a voxel of a volume primitive stored in a disk file.
Volume Resolution

Gets the resolution of a volume primitive stored in a disk file.
Volume Sample

Samples the value of a volume primitive stored in a disk file.
Volume Sample Vector

Samples the vector value of a volume primitive stored in a disk file.
Volume VOP Global Parameters

Provides outputs that represent all the global variables for the Volume VOP network type.
Volume VOP Output Variables

Simple output variable for Volume VOP Networks.
Voronoi Noise

Computes 1D, 3D, and 4D Voronoi noise, which is similar to Worley noise but has additional control over jittering.
Wave Vector

Computes the wave vector for a given index in a grid of specified size.
Waves

Simulates rolling waves with choppiness of various frequencies, and outputs the positional and normal displacements as well as the amount of displacement.
Wire Pattern

Returns float between 0 and 1 which defines a wire grid pattern useful for simulating screens or visualizing parametric or texture coordinates.
Worley Noise

Computes 1D, 3D, and 4D Worley noise, which is synonymous with "cell noise".
XYZ Distance

Finds closest position on a primitive in a given geometry file.
Xor

Performs a logical "xor" operation between its inputs.
agentaddclip

Add a clip into an agent’s definition.
argsort

Returns the indices of a sorted version of an array.