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polygonContainsPt(polyX, polyY, pointX, pointY) Returns True if the point is contained in the polygon. |
Function: polygonContainsPt()
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Argument | Type | Description |
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polyX | Array | Array of x coordinates of the polygon (only integer part is used). |
polyY | Array | Array of y coordinates of the polygon (only integer part is used) |
pointX | Integer | X coordinate of a point to be tested. |
pointY | Integer | Y coordinate of a point to be tested. |
Examples
polygonContainsPt([10,20,20,10],[10,10,20,20],15,15)
Returns 1
polygonContainsPt([10,20,20,10],[10,10,20,20],21,15)
Returns 0
Note that when the point to be tested is on the boundary, the result is not predictable:
polygonContainsPt([10,20,20,10],[10,10,20,20],10,15)
Returns 1
polygonContainsPt([10,20,20,10],[10,10,20,20],10,10)
Returns 1
polygonContainsPt([10,20,20,10],[10,10,20,20],20,20)
Returns 0