Unclear exactly how GenPositionArray works? #167
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I am using GenPositionArray because I want to sample noise on a unit sphere, so it seemed practical to just calculate position arrays for all the points of the sphere instead of generating an entire 3D noise array or trying to adapt 2D noise cylindrically (doesnt work well at the poles). Since there is no frequency or scaling variables for the inputs as far as I can tell, my unit sphere noise seems to only be in a small space of homogenous noise. I can scale the input positions by a factor of course, but I am wondering if this is in fact the best approach. Is there some better or justified way to manage adjusting the scaling or frequency of the noise? |
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Replies: 2 comments
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Scaling the input positions would have the same effect as the frequency setting. This is setup a bit better in the NewFastSIMD branch where each coherent noise node has it's own feature scale, so the input positions never need scaling |
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Yes scaling in the input does match scaling the frequency. I think this is enough for my purposes at the moment, but I will check out the SIMD branch also. |
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Scaling the input positions would have the same effect as the frequency setting. This is setup a bit better in the NewFastSIMD branch where each coherent noise node has it's own feature scale, so the input positions never need scaling