[HN Gopher] The Color of Noise (2014)
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       The Color of Noise (2014)
        
       Author : ekzhang
       Score  : 39 points
       Date   : 2024-12-01 19:05 UTC (3 hours ago)
        
 (HTM) web link (caseymuratori.com)
 (TXT) w3m dump (caseymuratori.com)
        
       | jmiskovic wrote:
       | The same algorithm is described more clearly in Bridson's paper
       | from 2007:
       | 
       | https://www.cs.ubc.ca/~rbridson/docs/bridson-siggraph07-pois...
        
       | goodmachine wrote:
       | "In fact, people have actually made spatial pattern generators
       | that allow you to input the frequency profile that you want, and
       | get the corresponding point pattern out. It's really quite neat,
       | and I highly recommend reading this paper so you can see some
       | other possible noise parameters, like anisotropy."
       | 
       | I had to hunt this 'custom colour' noise paper out since that
       | link was dead. It is quite neat. Here it is on ACM in case anyone
       | else is interested:
       | 
       | Point Sampling with General Noise Spectrum (2012)
       | https://dl.acm.org/doi/10.1145/2185520.2185572
        
       | teo_zero wrote:
       | Something sounds odd. If points are very close, they have high
       | spacial frequency. If I reject points that are too close, I'm
       | excluding high-frequency points and keeping only low-frequency
       | ones. A distribution that favor lower frequencies and filters out
       | higher ones is red, not blue. Am I getting it wrong?
        
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