Forums Technical Discussion How to do "Gradient Map" in COP?

How to do "Gradient Map" in COP?

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raincole
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In Photoshop and Substance Designer, one can map a grayscale image to a color ramp. What's the same function in Houdini's COP? I've found Color Map COP but it seems quite different.
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jsmack
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vopcop2filter for everything, put a snippet inside and write vex
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mestela
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Lookup COP, change lut source to 'colour ramp parameter'.
http://www.tokeru.com/cgwiki [www.tokeru.com]
https://www.patreon.com/mattestela [www.patreon.com]
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raincole
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mestela
Lookup COP

Oh thank you. Didn't know it accepts a color ramp parameter.
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jsmack
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raincole
mestela
Lookup COP

Oh thank you. Didn't know it accepts a color ramp parameter.

Yeah, is that new? I thought it was just chops or a LUT file.
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mestela
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Dunno, I just had to do this recently and stumbled across it.

(edit)

Been there since at least 17 apparently. It's annoyingly hidden tho, grr.

https://www.sidefx.com/docs/houdini17.0/nodes/cop2/lookup.html [www.sidefx.com]
Edited by mestela - April 26, 2022 21:47:20
http://www.tokeru.com/cgwiki [www.tokeru.com]
https://www.patreon.com/mattestela [www.patreon.com]
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