BlockA_PondTrade_step03_adding noise.nlogo

to create-map

  let centralPatch patch (min-pxcor + floor (world-width / 2)) (min-pycor + floor (world-height / 2))

  let halfSmallerDimension (world-width / 2)
  if (world-width > world-height) [ set halfSmallerDimension (world-height / 2) ]

  let minDistOfLandToCenter round ((pondSize / 100) * halfSmallerDimension)

  ask patches
  [

    ; add noise to coast line
    let coastThreshold minDistOfLandToCenter + random-float (halfSmallerDimension * coastalNoiseLevel / 100)

    ifelse (distance centralPatch < coastThreshold)
    [
      set pcolor 106 ; blue for water
    ]
    [
      set pcolor 54 ; green for land
    ]

  ]

end
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GRAPHICS-WINDOW
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0
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ticks
30.0

SLIDER
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60
249
93
pondSize
pondSize
0
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1
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% of smallest dimension
HORIZONTAL

BUTTON
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112
45
Create map
create-map
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1

SLIDER
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103
254
136
coastalNoiseLevel
coastalNoiseLevel
0
100
33.0
1
1
% of minDistToCentre
HORIZONTAL

TEXTBOX
16
150
166
218
Re-size world dimensions in 'Settings' inside the top menu of the 'Interface' tab.
14
0.0
1

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## WHAT IS IT?

(a general understanding of what the model is trying to show or explain)

## HOW IT WORKS

(what rules the agents use to create the overall behavior of the model)

## HOW TO USE IT

(how to use the model, including a description of each of the items in the Interface tab)

## THINGS TO NOTICE

(suggested things for the user to notice while running the model)

## THINGS TO TRY

(suggested things for the user to try to do (move sliders, switches, etc.) with the model)

## EXTENDING THE MODEL

(suggested things to add or change in the Code tab to make the model more complicated, detailed, accurate, etc.)

## NETLOGO FEATURES

(interesting or unusual features of NetLogo that the model uses, particularly in the Code tab; or where workarounds were needed for missing features)

## RELATED MODELS

(models in the NetLogo Models Library and elsewhere which are of related interest)

## CREDITS AND REFERENCES

(a reference to the model's URL on the web if it has one, as well as any other necessary credits, citations, and links)
@#$#@#$#@
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NetLogo 6.0.4
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