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Willem Arts
Willem Arts

Reputation: 21

Netlogo: Setting pcolor patches with specific distance from each other

I'm trying to set pcolor orange for different patches. I want them to be created randomly, but always at a distance of R from each other. In this current code, it creates the patches randomly just fine, but simply removes the orange patch if they are within the radius, resulting in fewer than N orange patches. How can I solve this so that all N patches are created at a distance R instead of just the ones which randomly fall out of radius R of each other?

      ask n-of N patches
      [ 
        if not any? other patches with [pcolor = orange] in-radius R [
    set pcolor orange
    ]]

Upvotes: 2

Views: 235

Answers (1)

Matias Agelvis
Matias Agelvis

Reputation: 971

You are vey close, but asking N random patches can result in any number of orange patches, maybe one patch will get colored and the other random N-1 patches will be within the radius R, even if there are lots of patches that still can be colored. Maybe if you ask all patches you will obtain more consistent results,

ask patches
[
  if not any? other patches with [pcolor = orange] in-radius R 
     and count patches with [pcolor = orange] < N
  [
    set pcolor orange
  ]
]

In case that you want all the possible patches colored instead of just N you can remove (or comment) the whole line and count patches with [pcolor = orange] < N.

Also note that ask patches will iterate over the patches randomly, so if you need a reproducible or ordered coloring of the patches this is not the ideal way to do it.

Upvotes: 0

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