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# OCIOFileTransform

This node applies a LUT transform using a specified file.

Connection Type | Connection Name | Function
Input | input | The place in the node graph where the LUT transform is applied.

Control (UI) | Default Value | Function
src | N/A | Specifies the src file path and name to use for the transform. This can be any file format that OpenColorIO supports: .3dl, .cc, .ccc, .csp, .cub, .cube, .lut (Houdini), .mga, .m3d, .spi1d, .spi3d, .spimtx, .vf
cccid | N/A | When src points to a .ccc file, specify the id to lookup. OpenColorIO::Contexts (envvars) are obeyed.
direction | forward | The direction of the transform, with forward being used to bake in a LUT transform, and inverse typically reversing out a previously-baked in LUT transform.
interpolation | linear | Specifies the interpolation method. This is ignored if the file used is not a LUT. The following interpolation methods are listed from fastest to most accurate: • nearest • linear • tetrahedral • best
context Manually define keys and values for the OCIOFileTransform node.
key1; key2; key3; key4 | N/A | Set a key that corresponds to the value of the same number in order to modify elements of the OCIO node, for example, setting a key called SHOT now tells the node that the corresponding value should be used for shots.
value1; value2; value3; value4 | N/A | Set a value that corresponds to the key of the same number in order to modify elements of the OCIO node, for example, setting a value fora key called SHOT now tells the node that this value should be used in this context.