Category:Nodes

All Nodes

Name	Description
Name	Description
AimConstraint	Transforms objects so that they are aimed at a specified target.
Anaglyph	Converts a multi-view image with “left” and “right” views into a single view image with the two views combined in different colors, suitable for viewing through red-blue anaglyph glasses.
Animation	Generates keyframed animation to be applied to plugs on other nodes.
ArnoldAOVShader	Sets up global shaders in the Arnold options which can be used to populate global AOVs.
ArnoldAtmosphere	Assigns a global atmosphere shader that applies to all objects in the scene.
ArnoldAttributes	Applies Arnold attributes to objects in the scene.
ArnoldBackground	Assigns a background shader.
ArnoldCameraShaders	Creates shaders for use with Arnold cameras.
ArnoldColorManager	Specifies the colour manager to be used in Arnold renders.
ArnoldDisplacement	Creates displacements to be applied to meshes for rendering in Arnold.
ArnoldImager	Assigns an imager.
ArnoldLight	Loads an Arnold light shader and uses it to output a scene with a single light.
ArnoldLightFilter	LightFilter that can be positioned in space to filter light in a particular region.
ArnoldMeshLight	Turns mesh primitives into Arnold mesh lights by assigning a mesh_light shader.
ArnoldOptions	Sets global scene options applicable to the Arnold renderer.
ArnoldRender	Performs offline batch rendering using the Arnold renderer, or optionally generates .ass files for later rendering using a SystemCommand node.
ArnoldShader	Loads shaders for use in Arnold renders.
ArnoldShaderBall	Generates scenes suitable for rendering shader balls with Arnold.
ArnoldTextureBake	Render meshes in Arnold, storing the results into images in the texture space of the meshes.
ArnoldVDB	Creates an external procedural for rendering VDB volumes in Arnold.
AttributeQuery	Query a particular location in a scene and outputs attribute.
AttributeTweaks	Makes modifications to attributes.
AttributeVisualiser	Visualises attribute values by applying a constant shader to display them as a colour.
Backdrop	Creates a coloured backdrop with optional text.
BleedFill	Fills in areas of low alpha in the image by blurring in contributions from nearby pixels.
Blur	Applies a gaussian blur to the image.
BoundQuery	Queries a particular location in a scene and outputs the bound.
Box	A container for “subgraphs” - node networks which exist inside the Box and can be exposed by promoting selected internal plugs onto the outside of the Box.
Camera	Produces scenes containing a camera.
CameraTweaks	Applies modifications to camera parameters.
Catalogue	Stores a catalogue of images to be browsed. Images can either be loaded from files or rendered directly into the catalogue.
CatalogueSelect	Finds an image in a directly connected Catalogue by name.
CDL	Applies color transformations provided by OpenColorIO via an OCIO CDLTransform.
Checkerboard	Outputs an image of a checkerboard pattern.
Clamp	Clamps channel values so that they fit within a specified range.
ClosestPointSampler	Samples primitive variables from the closest point on the surface of a source primitive, and transfers the values onto new primitive variable on the sampling objects.
Collect	Collects arbitrary input values across a range of contexts, outputting arrays containing the values collected across that range.
CollectImages	Forms a series of image layers by repeatedly evaluating the input with different Contexts. Useful for networks that need to dynamically build an unknown number of image layers.
CollectPrimitiveVariables	Make copies of target primitive variables with different suffixes, where the new suffixed copies come from different Contexts.
CollectScenes	Builds a scene by bundling multiple input scenes together, each under their own root location.
CollectTransforms	Collects transforms in different Contexts, storing the results as attributes.
ColorSpace	Applies colour transformations provided by OpenColorIO. Configs are loaded from the configuration specified by the OCIO environment variable.
Constant	Outputs an image of a constant flat colour.
ContactSheet	Assembles multiple input images into a tiled grid, with customisable layout, labels and borders.
ContactSheetCore	Collects multiple input images, transforming them into tiles within the output image. Provides the core functionality of the ContactSheet node, and may be reused for making similar nodes.
ContextQuery	Queries variables from the current context, creating outputs for each variable.
ContextVariables	Adds variables which can be referenced by upstream expressions and string substitutions.
ContextVariableTweaks	Makes modifications to context variables. Tweaks are applied to context variables coming from downstream nodes, resulting in different values given to upstream nodes.
CoordinateSystem	Produces scenes containing a coordinate system.
CopyAttributes	Copies attributes from a source scene, adding them to the attributes of the main input scene.
CopyChannels	Copies channels from the secondary input images onto the primary input image and outputs the result.
CopyImageMetadata	Copies metadata entries from the second image to the first image based on name.
CopyOptions	Copies options from a source scene, adding them to the options of the main input scene.
CopyPrimitiveVariables	Copies primitive variables from a source scene, adding them to the objects of the main input scene.
CopyViews	Copies views from the secondary input images onto the primary input image.
CreateViews	Creates a multi-view image by combining multiple input images.
Crop	Modifies the Data and/or Display Window, in a way that is either user-defined, or can be driven by the existing Data or Display Window.
Cube	Produces scenes containing a cube.
CurveSampler	Samples primitive variables from parametric positions on some source curves.
CustomAttributes	Applies arbitrary user-defined attributes to locations in the scene.
CustomOptions	Applies arbitrary user-defined options to the root of the scene.
CyclesAttributes	Applies Cycles attributes to objects in the scene.
CyclesLight	Loads an Cycles light shader and uses it to output a scene with a single light.
CyclesMeshLight	Turns mesh primitives into Cycles mesh lights by assigning an emission shader.
CyclesOptions	Sets global scene options applicable to the Cycles renderer.
CyclesRender	Performs offline batch rendering using the Cycles renderer.
CyclesShader	Loads shaders for use in Cycles renders.
CyclesShaderBall	Generates scenes suitable for rendering shader balls with Cycles.
DeepHoldout	Flattens the part of the input which is not hidden by the holdout input.
DeepMerge	Merges the samples from two or more images into a single deep image.
DeepRecolor	Recolors deep data so that the flattened image will match the color of a provided flat image.
DeepSampleCounts	Outputs an image showing the deep sample counts for each pixel.
DeepSampler	Samples the full channel data of an image at a specified pixel location, including all deep samples.
DeepSlice	Takes a slice out of an image with depth defined by Z (and optionally ZBack) channels by discarding everything outside of a clipping range. The range is half open, including point samples exactly at the near clip, but excluding point samples exactly at the far clip. This means that if you split an image into a front and back with two DeepSlices, they will composite back together to match the original.
DeepTidy	Ensures deep samples are sorted and non-overlapping, and optionally discards samples that are completely transparent, or covered by other samples.
DeepToFlat	Converts a deep image into a “flat” image, by compositing all samples in each pixel, resulting in an image with 1 sample for every pixel.
DeleteAttributes	Deletes attributes from locations within the scene.
DeleteChannels	Deletes channels from an image.
DeleteContextVariables	Removes variables from the Context so that they won’t be visible to upstream nodes.
DeleteCurves	Delete curves from a curves primitive using a primitive variable to choose the curves.
DeleteFaces	Deletes faces from a mesh using a primitive variable to choose the faces.
DeleteGlobals	A node which removes named items from the globals.
DeleteImageMetadata	Deletes metadata entries from an image based on name.
DeleteObject	Deletes the object at a location, keeping the location itself intact.
DeleteOptions	A node which removes options from the globals.
DeleteOutputs	A node which removes outputs from the globals.
DeletePoints	Deletes points from a points primitive using a primitive variable to choose the points.
DeletePrimitiveVariables	Deletes primitive variables from objects.
DeleteRenderPasses	Deletes render passes from the scene globals.
DeleteSets	A node which removes object sets.
DeleteViews	Deletes views from an image.
Dilate	Applies a dilate filter to the image.
DisplayTransform	Applies an OpenColorIO display transform to an image.
Dot	A utility node which can be used for organising connections between nodes.
Duplicate	Duplicates a part of the scene.
EditScope	A container that interactive tools may make nodes in as necessary.
Encapsulate	Encapsulates a portion of the scene by collapsing the hierarchy and replacing it with a procedural which will be evaluated at render time.
Erode	Applies an erode filter to the image.
ExistenceQuery	Queries the existence of a specified location in a scene.
Expression	Utility node for computing values via scripted expressions.
ExternalProcedural	References external geometry procedurals and archives.
FilterQuery	Queries a filter for a particular location in a scene and outputs the results.
FlatToDeep	Sets the deep flag on a flat image, and makes sure that it has a Z channel ( and optionally a ZBack channel ) so that it can be used in deep compositing.
FormatQuery	Extracts the format of an input image, for driving the format input of another image node, or driving expressions.
FrameMask	Masks upstream tasks so that they will only be executed for a subset of the Dispatcher’s frame range.
FramingConstraint	Position a camera so that all of a target is visible.
FreezeTransform	Resets the transforms at the specified scene locations, baking the old transforms into the vertices of any child objects so that they remain the same in world space.
Grade	Performs a simple per-channel colour grading operation.
Grid	Produces scenes containing a grid.
Group	Groups together several input scenes under a new parent.
ImageMetadata	Adds arbitrary metadata entires to an image.
ImageReader	Reads image files from disk using OpenImageIO.
ImageSampler	Samples image colour at a specified pixel location.
ImageScatter	Scatters points across an image, using pixel values to control the density of the points.
ImageStats	Calculates minimum, maximum and average colours for a region of an image.
ImageToPoints	Converts an image into a points primitive, with a point for each pixel in the image.
ImageTransform	Scales, rotates and translates an image within its display window.
ImageWriter	Writes image files to disk using OpenImageIO.
Instancer	Copies from an input scene onto the vertices of a target object, making one copy per vertex.
InteractiveArnoldRender	Performs interactive renders using Arnold, updating the render on the fly whenever the input scene changes.
InteractiveCyclesRender	Performs interactive renders using Cycles, updating the render on the fly whenever the input scene changes.
Isolate	Isolates objects by removing paths not matching a filter from the scene.
LevelSetOffset	Erodes or dilates a level set VDB.
LevelSetToMesh	Converts a level set VDB object to a mesh primitive.
LightToCamera	Converts lights into cameras.
LocalDispatcher	Schedules execution of task graphs on the local machine. Tasks may be dispatched in the background to keep the UI responsive.
LocaliseAttributes	Copies inherited attributes into local attributes.
LookTransform	Applies OpenColorIO “looks” to an image.
LUT	Applies color transformations provided by OpenColorIO via a LUT file and OCIO FileTransform.
MapOffset	Adds an offset to object texture coordinates.
MapProjection	Applies texture coordinates to meshes via a camera projection.
Median	Applies a median filter to the image.
Merge	Composites two or more images together.
MergeCurves	Merge curves from all filtered location into a single curves primitive, or into multiple destinations.
MergeMeshes	Merge meshes from all filtered location into a single mesh, or into multiple destinations.
MergePoints	Merge points from all filtered location into a single points primitive, or into multiple destinations.
MeshTessellate	Tessellates meshes according to their subdivision scheme, converting them into higher polygon meshes which follow the limit surface - usually the smooth regular quads of a Catmull-Clark scheme.
MeshToLevelSet	Converts a mesh primitive to a level set VDB object.
MetadataOverlay	Formats metadata into a text overlay on top of the image. Provides control over formatting, font, layout and a drop shadow.
Mirror	Mirrors the image, flipping it in the horizontal and/or vertical directions. This performs no filtering, so pixel values are not changed.
Mix	Blends two images together based on a mask.
NameSwitch	Switches between multiple input connections, passing through the chosen input to the output. Switching is performed by comparing the input names against a selector.
Offset	Translates the image in integer increments. No filtering is necessary, and this node has improved performance compared to the equivalent ImageTransform.
OpenColorIOContext	Creates Gaffer context variables which define the OpenColorIO config to be used by upstream nodes.
OptionTweaks	Makes modifications to options.
Orientation	Converts between different representations of orientation, stored as primitive variables on an object.
OSLCode	Allows arbitrary OSL shaders to be written directly within Gaffer.
OSLImage	Executes OSL shaders to perform image processing.
OSLLight	Creates lights by assigning an emissive OSL shader to some simple geometry.
OSLObject	Executes OSL shaders to perform object processing.
OSLShader	Loads OSL shaders for use in supported renderers.
Outputs	Defines the image outputs to be created by the renderer.
Parameters	Modifies the parameters of cameras and procedurals.
Parent	Parents additional child hierarchies into the main scene hierarchy.
ParentConstraint	Constrains objects from one part of the scene hierarchy as if they were children of another part of the hierarchy.
PathFilter	Chooses locations by matching them against a list of paths.
PatternMatch	Tests an input string against a pattern, outputting true if the string matches.
Plane	Produces scenes containing a plane.
PointConstraint	Translates objects so that they are constrained to the world space position of the target.
PointsGridToPoints	Converts a points grid in a VDB object to a points primitive.
PointsToLevelSet	Converts a points primitive to an OpenVDB level set.
PointsType	Changes the render type for PointsPrimitive objects.
Premultiply	Multiplies selected channels by a specified alpha channel.
PrimitiveVariableQuery	Queries primitive variables at a scene location, creating an output for each primitive variable.
PrimitiveVariables	Adds arbitrary primitive variables to objects.
PromotePointInstances	Convert points in a point cloud into instanced geometry. Assumes the point cloud matches the conventions of a USD PointInstancer.
Prune	A node for removing whole branches from the scene hierarchy.
PythonCommand	Runs python code.
Ramp	Outputs an image of a color gradient interpolated using the ramp plug.
Random	Generates repeatable random numeric or color values from a seed.
RandomChoice	Chooses random values from a list of choices, with optional weights to specify the relative probability of each choice.
Rectangle	Renders a rectangle with adjustable line width, corner radius, drop shadow and transform.
Reference	References a node network stored in another file. This can be used to share resources among scripts.
Rename	Renames locations in the scene.
RenderPasses	Appends render passes to the scene globals.
RenderPassShader	Sets up a global shader in the options to replace a shader used by a render pass type.
RenderPassWedge	Causes upstream nodes to be dispatched multiple times in a range of contexts, each time with a different value for the renderPass context variable.
ResamplePrimitiveVariables	Resamples primitive variables, changing their interpolation.
Resize	Resizes the image to a new resolution, scaling the contents to fit the new size.
ReverseWinding	Reverses the winding order of each face of a mesh; this has the effect of flipping the geometric normal.
Saturation	Increases or decreases the saturation of an image.
Scatter	Scatters points evenly over the surface of meshes.
SceneReader	Reads scene data from external cache files such as SceneCache (SCC), Alembic (ABC) and USD.
SceneWriter	Writes scenes to cache files on disk. File formats such as SceneCache (SCC), Alembic (ABC) and USD are supported.
SelectView	Picks one view from a multi-view image and outputs it as an image with a single, default view.
Set	Creates and edits sets of objects.
SetFilter	A filter which uses sets to define which locations are matched.
SetQuery	Queries the set memberships of a location, and outputs a list of the sets that it belongs to.
SetVisualiser	Visualises Set membership values by applying a custom shader and coloring based on which sets each object belongs to.
ShaderAssignment	Assigns shaders to objects.
ShaderQuery	Queries shader parameters from a scene location, creating outputs for each parameter.
ShaderTweaks	Makes modifications to shader parameter values.
Shuffle	Shuffles data between image channels, for instance by copying R into G or a constant white into A.
ShuffleAttributes	ShuffleAttributes is used to copy or rename arbitrary numbers of attributes at the filtered locations.
ShuffleImageMetadata	Shuffles image metadata, allowing entries to be copied and/or renamed.
ShufflePrimitiveVariables	ShufflePrimitiveVariables is used to copy or rename arbitrary numbers of primitive variables at the filtered locations.
ShuffleRenderPasses	Shuffles render passes, allowing them to be copied and/or renamed.
Sphere	Produces scenes containing a sphere.
SphereLevelSet	Creates a sphere level set.
Spreadsheet	Provides a spreadsheet designed for easy management of sets of associated plug values.
StandardAttributes	Modifies the standard attributes on objects - these should be respected by all renderers.
StandardOptions	Specifies the standard options (global settings) for the scene.
SubTree	A node for extracting a specific branch from a scene.
Switch	Chooses between multiple input connections, passing through the chosen input to the output.
SystemCommand	Runs system commands via a shell.
TaskList	Used to collect tasks for dispatching all at once.
Text	Creates an object containing a mesh representation of an arbitrary string of text.
TimeWarp	Changes the time at which upstream nodes are evaluated.
Transform	Applies a transformation to the local matrix of all locations matched by the filter.
TransformQuery	Queries a particular location in a scene and outputs the transform.
Unencapsulate	Expands capsules created by Encapsulate back into regular scene hierarchy.
UnionFilter	Combines several input filters, matching the union of all the locations matched by them.
Unpremultiply	Divides selected channels by a specified alpha channel.
USDAttributes	Authors attributes which have specific meaning in USD.
USDLayerWriter	Takes two input scenes and writes a minimal USD file containing the differences between them.
USDLight	Creates a scene with a single light in it.
USDShader	Loads shaders from USD’s SdrRegistry.
UVSampler	Samples primitive variables from specified UV positions on the surface of a source primitive, and transfers the values onto new primitive variables on the sampling object.
VectorWarp	Warps an input image onto a set of UVs provided by a second image, effectively applying a texture map to the UV image.
VolumeScatter	Scatter points according the voxel values of a VDB grid.
Wedge	Causes upstream nodes to be dispatched multiple times in a range of Contexts, each time with a different value for a specified variable.
Wireframe	Creates a wireframe representation of a mesh.

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