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Add
Adds two images together.
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Anaglyph
Creates an anaglyph from a pair of input images.
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Atop
Composites the first input (Foreground) over the second (background),
but only where the background alpha exists.
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Average
Averages the foreground image and the background image.
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Blend
Blends frames from two sequences together using a simple linear
blend.
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Blur
Blurs an image.
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Border
Adds a border to the image.
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Bright
Applies a brightness factor and bright shift to the first input.
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Bump
Builds a bump map from a plane.
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COP generators
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Channel Copy
Copy channels from any of inputs into the output image.
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Chromakey
Mask or key an image based on its color.
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Color
Creates a constant color image.
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Color Correct
Applies a variety of color corrections to the image
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Color Curve
Adjusts the R,G,B and/or A channels based on a user-defined
curve.
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Color Map
Maps a range of color to a new range.
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Color Replace
Replace a color region in an image with another region.
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Color Wheel
Generates a simple HSV color wheel.
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Composite
Does a composite (over, under, inside, add, etc) between two
images.
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Contrast
Increases or decreases the contrast of an image.
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Convert
Changes the data format of a plane.
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Convolve
Performs a generic convolve on the source image.
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Corner Pin
Fits an image into an arbitrary quadrilateral.
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Corner Ramp
Generates a four corner ramp.
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Crop
Crops an image and changes its resolution.
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Cryptomatte
Extracts matte from Cryptomatte image.
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DSM Flatten
Flattens a Deep Shadow/Camera Map into a flat 2D raster.
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Defocus
Defocuses an image similar to a real camera defocus.
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Deform
Deforms an image by moving the underlying UV coordinates.
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Degrain
Removes film grain from an image.
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Deinterlace
De-interlaces a frame of video by either averaging scanlines or
copying a scanline.
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Delete
Removes planes or components from an input sequence.
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Denoise
Removes white noise from an image.
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Denoise AI
Uses machine-learning algorithms to denoise images with high quality and speed.
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Depth Darken
Darkens depth boundaries in an image.
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Depth of Field
Creates a depth-of-field mask, which describes how out of focus parts
of the image are.
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Diff
Computes the difference between the foreground image and the
background image.
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Dilate/Erode
Expands and shrinks mattes.
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Drop Shadow
Creates a blurred shadow offset of an image.
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Edge Blur
Blurs the edges of an image.
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Edge Detect
Detects edges in the input image.
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Emboss
Adds a lighting effect to the image by using a bump map.
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Environment
Applies an environment map to an image.
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Equalize
Equalizes colors by stretching or shifting the image histogram.
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Error Function Table Generator
Creates an image containing precomputed error function terms for hair albedo computation
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Expand
Expands and shrinks mattes.
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Extend
Extends the length of a sequence so that it can be animated beyond
its frame range.
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Extract
Extracts a plane or channel from a multi-plane source.
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Extrapolate Boundaries
Fills empty areas of an image using the colors at the edges the non-empty areas.
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Fetch
Fetches a sequence of images from another COP, even in another network.
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Field Merge
Merges two fields into one Interlaced Frame.
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Field Split
Splits an interlaced frame into two fields per frame (odd and even
fields).
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Field Swap
Swaps the two fields containing the even and odd scanlines of the
frame.
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File
Loads image files into Houdini.
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Flip
Flips the image horizontally and/or vertically.
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Fog
Adds a variety of atmospheric effects to an image, including fog,
haze and heat waves.
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Font
Renders anti-aliased text.
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Front Face
Cleans up flipped normals by making them face the camera.
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Function
Performs a variety of mathematical functions on the input image.
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Gamma
Applies gamma correction to the image.
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Geokey
Keys out parts of the image based on pixel position or normal
direction.
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Geometry
Renders geometry from a SOP as a single color image.
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Gradient
Computes the gradient of an image.
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Grain
Adds grain to an image.
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HSV
Converts between RGB and HSV color spaces, or applies hue and saturation modifications.
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Hue Curve
Adjusts the saturation or luminance of the image based on hue.
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Illegal Pixel
Detects illegal pixels, like NAN and INF, in images.
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Inside
Restricts the foreground color to the area of the background’s alpha
matte.
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Interleave
Interleaves image sequences.
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Invert
Applies a photographic pixel inversion to the image.
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Labs Attribute Import
Imports geometry attributes as image planes using a UV attribute
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Labs Blackbody
Generates a blackbody ramp, or colorizes a black and white image with a blackbody ramp
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Labs DDS File
Reads in DDS (DirectDraw Surface) Files
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Labs Demosaic
Converts a single mosaic (flipbook/subuv) image into a sequence of sub images based on the frame
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Labs Grid Texture
Generates a texture that can be used as a simple resolution checkerboard
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Labs Normal Color
Simple Helper Node to generate the default Normal Color
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Labs Normal Combine
A Simple Node That Overlays 2 Normal Maps together
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Labs Normal From Grayscale
Convert a Grayscale Image Into a Normal Map
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Labs Normal Invert
Invert individual channels on an image
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Labs Normal Levels
Adjusts black point, white point, and midrange to increase, balance, or decrease contrast on a Normal Map.
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Labs Normal Rotate
Rotates a Normal Map while correcting recalculating it’s internal vectors
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Labs Normalize Normal
Ensures the normal map is balanced in a unit vector
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Labs Substance Archive
Load Substance Archive (SBSAR) Files into COPs
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Layer
Layers a series of inputs together by compositing them one by one on
the background image (input 1).
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Levels
Adjusts black point, white point, and midrange to increase, balance,
or decrease contrast.
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Lighting
Adds a light to the image.
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Limit
Limits the pixel range at the high end, low end or both.
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Lookup
Applies a lookup table to the input.
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Luma Matte
Sets the alpha to the luminance of the color.
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Lumakey
Keys the image based on luminance (or similar function).
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Mask
Masks out an area of an image.
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Max
Outputs the maximum value of the foreground and background images for
each pixel, which tends to lighten the image.
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Median
Applies a 3 x 3 or 5 x 5 median filter to the input image.
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Merge
Merges the planes of several inputs together.
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Metadata
Applies metadata to an image sequence.
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Min
Outputs the minimum value of the foreground and background images for
each pixel, which tends to darken the image.
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Mono
Converts a color or vector into a scalar quantity, like luminance or length.
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Mosaic
Takes a sequence of images and combines them into 1 image by tiling them.
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Multiply
Multiplies the foreground image with the background image.
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Noise
Generates continuous noise patterns.
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Null
Does nothing.
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Outside
Restricts the foreground color to the area outside of the background’s alpha matte.
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Over
Composites the first input (Foreground) over the second
(background).
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Pixel
Modifies an image’s pixels using expressions.
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Premultiply
Allows colour to be converted to or from a premultiplied form.
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Pulldown
Performs a pulldown (cine-expand) on the input sequence.
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Pushup
Performs a pushup (cine-expand) on the input sequence.
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Quantize
Quantizes input data into discrete steps.
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ROP File Output
Renders frames out to disk.
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Radial Blur
Does a radial or angular blur.
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Ramp
Generates a variety of linear and radial ramps, which are fully
keyframable.
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Reference
Copies the sequence information from its input.
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Rename
Change the name a plane.
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Render
Renders a mantra output driver directly into a composite network.
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Reverse
Simply reverses the frames in the sequence.
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Rotoshape
Draws one or more curves or shapes.
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SOP Import
Imports a 2d Volume from SOPs as planes into a composite network.
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Scale
Changes the resolution of the image.
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Screen
Adds two images together, saturating at white like photographic
addition.
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Sequence
Sequences two or more inputs end to end.
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Shape
Generates simple shapes, such as circles, stars and regular N-sided
polygons.
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Sharpen
Sharpens an image by enhancing the contrast of edges.
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Shift
Shifts an image sequence in time.
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Shuffle
Shuffle frames around to do out-of-order editing.
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Sky Environment Map
Creates sky and ground images for use as environment maps.
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Snip
Either removes frames from a sequence or allows you to order them in
a user-defined order.
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Streak Blur
Streaks an image, adding a motion blur effect.
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Subnetwork
Contains networks of other COPs.
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Subtract
Subtracts the foreground image from the background image.
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Switch
Passes the input of one of its connected inputs through, acting like
an exclusive switch.
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Switch Alpha
Replaces input 1's alpha with input 2's alpha.
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Terrain Noise
Generate noise suitable for terrain height maps.
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Tile
Tiles the image sequence with multiple copies of the input image.
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Time Filter
Blurs a pixel through several frames.
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Time Machine
Uses a second input to time warp the first input on a per pixel
basis.
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Time Scale
Stretches or compresses a sequence in time.
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Time Warp
Warps time by slowing or speeding it up throughout the sequence.
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Transform
Translates, rotates and/or scales the input image without changing
the image resolution.
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Trim
Trims an input sequence in time by adjusting the beginning or the end
of the sequence.
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UV Map
Creates a UV map.
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Under
Composites the first input (Foreground) under the second
(background).
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Unpin
Extracts an arbitrary quadrilateral area out of the input image.
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VEX Filter
Runs a VEX script on its input planes.
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VEX Generator
Runs a VEX script on the planes it generates.
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VOP COP2 Filter
Contains a VOP network that filters input image data.
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VOP COP2 Generator
Contains a VOP network that generates image data.
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Vector
Performs vector operations on the input.
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Velocity Blur
Blurs an image by using pixel velocity to produce a motion blur
effect.
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Window
Cuts a small window out of a larger image.
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Wipe
Does a wipe between two input sequences.
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Xor
Makes two elements mutually exclusive; if their alpha mattes overlap,
the overlap is removed.
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Z Comp
Does a Z composite of two images.