在横向中添加修补程序簇

时间:2013-10-11 20:33:26

标签: netlogo

我想在景观中添加森林补丁。更准确地说,想法是添加补丁集群,例如“Patch Clusters”示例。与此示例相反,我想随机分配一些具有相同颜色的补丁集群,而不是几个完全填充景观的集群。这是代码的开头:

to create-forests 
repeat 30 [
ask one-of patches [ 
set pcolor green
ask neighbors [ set pcolor green] ] ]
end 

使用此代码,群集看起来像正方形而不是像“Patch Clusters”示例那样的群集。如何在我的环境中添加林修补程序群?

感谢您的帮助 祝你有美好的一天 海洋

2 个答案:

答案 0 :(得分:3)

如下:

to create-forests
  ask n-of 10 patches [ set pcolor green ]
  repeat 6 [
    ask patches with [pcolor = green] [
      ask one-of neighbors4 [ set pcolor green ]
    ]
  ]
end

结果如下:
enter image description here

答案 1 :(得分:2)

快速解决方案可能是使用补丁定位和距离功能。

to create-forests 

  ask patches[set pcolor black]
  repeat 5 
  [
    ask one-of patches
    [ 
      set pcolor green
      repeat 20
      [
        let a random 360
        let b random 2
        ask patch-at-heading-and-distance a b 
        [ 
          ask neighbors4 [ set pcolor green]
          set pcolor green 
        ]
      ]
    ] 
  ]
end 

使用此功能,您可以移动到另一个补丁邻居。使用a(角度),b(距离)的随机值范围和重复这部分代码的次数,可以实现不同的森林密度。

对于邻居4,我们尝试在森林中填充可能的黑色斑块(注意这个技巧的成功将取决于森林的大小)

更复杂的选择可能是:

to create-forests2

  ask patches[set pcolor black]
  repeat 5
  [
    ask one-of patches
    [ 
      let size_f (random 2) + 1
      let border 2

      let big_area [list pxcor pycor] of patches with [abs pxcor <= size_f + border and abs pycor <= size_f + border]   
      let forested [list pxcor pycor] of patches with [abs pxcor <= size_f + random border and abs pycor <= size_f + random border]   

      ask patches at-points forested[set pcolor green]
      ask patches at-points big_area with[pcolor != green]
      [ if count(neighbors with [pcolor = green]) > 6 [ set pcolor green ] ]
    ] 
  ]
end

在列表的帮助下识别6/8森林中包围的补丁,从而转换为森林