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"""Test passing arguments of various types
Created on Sept 19, 2010 by David Gobbi
"""
import sys
import vtk
from vtk.test import Testing
arrays = [
vtk.vtkFloatArray,
vtk.vtkDoubleArray,
vtk.vtkSignedCharArray,
vtk.vtkShortArray,
vtk.vtkIntArray,
vtk.vtkLongArray,
vtk.vtkTypeInt64Array,
vtk.vtkIdTypeArray,
]
unsignedArrays = [
vtk.vtkUnsignedCharArray,
vtk.vtkUnsignedShortArray,
vtk.vtkUnsignedIntArray,
vtk.vtkUnsignedLongArray,
vtk.vtkTypeUInt64Array,
]
class TestArrayArguments(Testing.vtkTest):
def testArrayArguments(self):
for arrayClass in arrays:
a = arrayClass()
a.SetNumberOfComponents(3)
a.SetNumberOfTuples(1)
ti = [0, a.GetDataTypeValueMin(), a.GetDataTypeValueMax()]
to = [0, 0, 0]
a.SetTupleValue(0, ti)
a.GetTupleValue(0, to);
self.assertEqual(ti, to)
d1 = a.GetTuple(0)
d2 = map(float, ti)
self.assertEqual(map(round, d1), map(round, d2))
def testUnsignedArrayArguments(self):
for arrayClass in unsignedArrays:
a = arrayClass()
a.SetNumberOfComponents(3)
a.SetNumberOfTuples(1)
ti = [0, a.GetDataTypeValueMin(), a.GetDataTypeValueMax()]
to = [0, 0, 0]
a.SetTupleValue(0, ti)
a.GetTupleValue(0, to);
self.assertEqual(ti, to)
d1 = a.GetTuple(0)
d2 = map(float, ti)
self.assertEqual(map(round, d1), map(round, d2))
def testCharArrayArguments(self):
a = vtk.vtkCharArray()
a.SetNumberOfComponents(3)
a.SetNumberOfTuples(1)
ti = "opn"
a.SetTupleValue(0, ti)
# python strings are immutable, so this should NOT work
#to = "***"
#a.GetTupleValue(0, to);
d1 = list(a.GetTuple(0))
d2 = map(float, map(ord, ti))
self.assertEqual(d1, d2)
def testBitArrayArguments(self):
a = vtk.vtkBitArray()
a.SetNumberOfComponents(2)
a.SetNumberOfTuples(1)
ti = [0,1]
to = [0,0]
a.SetTuple(0, ti)
a.GetTuple(0, to);
self.assertEqual(ti, map(int,to))
def testNDimArrayArguments(self):
a = [[0,0,0],[0,0,0],[0,0,0]]
vtk.vtkMath.Identity3x3(a)
x = [0.5, 0.2, 0.1]
y = [0.0, 0.0, 0.0]
vtk.vtkMath.Multiply3x3(a, x, y)
self.assertEqual(x, y)
if __name__ == "__main__":
Testing.main([(TestArrayArguments, 'test')])
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