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#!/usr/bin/env python
from vtkmodules.vtkCommonDataModel import vtkPolygon
# Test the vtkPolygon::PointInPolygon() method
#
# Compute point in polygon for a series of points
polygon = vtkPolygon()
numPts = 4
pts = [0,0,0, 1,0,0, 1,1,0, 0,1,0]
bds = [0,1,0,1,0,1]
# Create and test an invalid polygon
n = [0,0,0]
x = [0.5,0.5,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == -1
# The next four points should be inside
n = [0,0,1]
x = [0.5,0.5,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.1,0.5,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.1,0.1,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.01,0.01,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
# The next four should be outside
x = [-0.5,-0.5,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.1,-0.5,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.1,-0.1,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.01,-0.01,0.0]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
# Now orient the plane in the x-z plane
pts = [0,0,0, 1,0,0, 1,0,1, 0,0,1]
n = [0,1,0]
# The next four should be inside
x = [0.5,0.0,0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.1,0.0,0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.1,0.0,0.1]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.01,0.0,0.01]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
# The next four should be outside
x = [-0.5,0.0,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.1,0.0,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.1,0.0,-0.1]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [-0.01,0.0,-0.01]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
# Now orient the plane in the y-z plane
pts = [0,0,0, 0,1,0, 0,1,1, 0,0,1]
bds = [0,1,0,1,-1,1]
n = [1,0,0]
# The next four should be inside
x = [0.0,0.5,0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.0,0.1,0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.0,0.1,0.1]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
x = [0.0,0.01,0.01]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 1
# The next four should be outside
x = [0.0,-0.5,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [0.0,-0.1,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [0.0,-0.1,-0.1]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [0.0,-0.01,-0.01]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
# The next four should be outside - culled by bbox test
x = [0.0,-1.5,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [1.5,0.1,-0.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [0.5,0.1,-1.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
x = [0.5,0.1,1.5]
inout = polygon.PointInPolygon(x,numPts,pts,bds,n)
assert inout == 0
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