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mikolalysenko / point-in-big-polygon

Industrial strength point in polygon test
MIT License
19 stars 3 forks source link

Unexpected output #1

Closed sktt closed 8 years ago

sktt commented 8 years ago 
var pibp = require('point-in-big-polygon')
var loop = [
  [[-10,0], [10,0], [0, 10]],
  [[-5,2], [5,2], [0,7], [-5,2]]
]
var classifyPoint = pibp(loop)

//Render polygon test in ASCII to console
var img = []
for(var y=-12; y<=12; y+=1) {
  var row = []
  for(var x=-12; x<=12; x+=0.5) {
    var v = classifyPoint([x, y])
    if(v < 0) {
      row.push('-')
    } else if(v === 0) {
      row.push('o')
    } else {
      row.push('+')
    }
  }
  img.push(row.join(''))
}
console.log(img.join('\n'))

2.0.0 Outputs:

++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++-----------------------------------------++++
++++ooooooooooooooooooooooooooooooooooooooooo++++
++++++o+++++++--------------------++++++++o++++++
++++++++o+++++oooooooooooooooooooo++++++o++++++++
++++++++++o+++++o+++++++++++++++o+++++o++++++++++
++++++++++++o+++++o+++++++++++o+++++o++++++++++++
++++++++++++++o+++++o+++++++o+++++o++++++++++++++
++++++++++++++++o+++++o+++o+++++o++++++++++++++++
++++++++++++++++++o+++++o+++++o++++++++++++++++++
++++++++++++++++++++o+++++++o++++++++++++++++++++
++++++++++++++++++++++o+++o++++++++++++++++++++++
++++++++++++++++++++++++o++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++

1.0.0 outputs

++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++++++++++++++++++++++++++++++++++++++++++-++++
++++ooooooooooooooooooooooooooooooooooooooooo++++
++++++o-------++++++++++++++++++++--------o++++++
++++++++o-----ooooooooooooooooooooo-----o++++++++
++++++++++o-----o---------------o-----o++++++++++
++++++++++++o-----o-----------o-----o++++++++++++
++++++++++++++o-----o-------o-----o++++++++++++++
++++++++++++++++o-----o---o-----o++++++++++++++++
++++++++++++++++++o-----o-----o++++++++++++++++++
++++++++++++++++++++o-------o++++++++++++++++++++
++++++++++++++++++++++o---o++++++++++++++++++++++
++++++++++++++++++++++++o++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++

Whats going on? :s Am I just doing it wrong?