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A 2D transform with scrolling.

Remap the luminance of the RGB channels based on an input colour ramp.

Use a 2D image to add bump to a 3D render of normal vectors.

A fast (FFT-based) approximation of brute force environment map convolution using a Phong BRDF.

Diffuse and specular image based relighting.

Relight renders using a Nuke Light.

Camera projection like Project3D, but as a "post process" using a render of point P data.

Push rgb pixels outwards from a matte edge.

if you need your output file named exactly like your input file then use a little TCL expression in the file knob of the write node suggestion your filename convention is like: //path/to/file/filename.pattern.ext then: [lindex [split [lindex [split [knob [topnode].file] .] 0] /] end] will give you back just the "filename" part of the original read node if you want…