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##### Substance Designer - Discussions - Re: convert Vector flow map to grayscale anisotropy map

**on:**March 30, 2017, 06:08:20 pm

You can read the colour of the vector map into a pixel processor. R and G channels encode a 2D normalized vector - the maths to convert a vector to an angle arereasonablystraightforward.

If you divide the result by 360, and output it to all 3 colour channels, you should get the anisotrophy map you are looking for.

I understand the process that you suggest, but at this way, I think I am not able to make right function to do it in pixel processor. I thought I can do it by simply image operations like (multiply, over, ....etc)

Right expression would helped me very well because I will need to use it also in other software.