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"""Test passing arguments of various types
Created on Sept 19, 2010 by David Gobbi
"""
import sys
from vtkmodules.vtkCommonCore import (
vtkBitArray,
vtkCharArray,
vtkDoubleArray,
vtkFloatArray,
vtkIdTypeArray,
vtkIntArray,
vtkLongArray,
vtkMath,
vtkShortArray,
vtkSignedCharArray,
vtkStringArray,
vtkTypeInt64Array,
vtkTypeUInt64Array,
vtkUnsignedCharArray,
vtkUnsignedIntArray,
vtkUnsignedLongArray,
vtkUnsignedShortArray,
)
from vtkmodules.vtkCommonDataModel import vtkDataObject
from vtkmodules.vtkImagingSources import vtkImageGridSource
from vtkmodules.test import Testing
arrays = [
vtkFloatArray,
vtkDoubleArray,
vtkSignedCharArray,
vtkShortArray,
vtkIntArray,
vtkLongArray,
vtkTypeInt64Array,
vtkIdTypeArray,
]
unsignedArrays = [
vtkUnsignedCharArray,
vtkUnsignedShortArray,
vtkUnsignedIntArray,
vtkUnsignedLongArray,
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.SetTypedTuple(0, ti)
a.GetTypedTuple(0, to);
self.assertEqual(ti, to)
d1 = a.GetTuple(0)
d2 = [float(x) for x in ti]
r1 = [round(x) for x in d1]
r2 = [round(x) for x in d2]
self.assertEqual(r1, r2)
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.SetTypedTuple(0, ti)
a.GetTypedTuple(0, to);
self.assertEqual(ti, to)
d1 = a.GetTuple(0)
d2 = [float(x) for x in ti]
r1 = [round(x) for x in d1]
r2 = [round(x) for x in d2]
self.assertEqual(r1, r2)
def testCharArrayArguments(self):
a = vtkCharArray()
a.SetNumberOfComponents(3)
a.SetNumberOfTuples(1)
ti = "opn"
a.SetTypedTuple(0, ti)
# python strings are immutable, so this should NOT work
#to = "***"
#a.GetTypedTuple(0, to);
d1 = list(a.GetTuple(0))
d2 = [ord(x) for x in ti]
self.assertEqual(d1, d2)
def testBitArrayArguments(self):
a = vtkBitArray()
a.SetNumberOfComponents(2)
a.SetNumberOfTuples(1)
ti = [0,1]
to = [0,0]
a.SetTuple(0, ti)
a.GetTuple(0, to);
self.assertEqual(ti, [int(x) for x in to])
def testNDimArrayArguments(self):
a = [[0,0,0],[0,0,0],[0,0,0]]
vtkMath.Identity3x3(a)
x = [0.5, 0.2, 0.1]
y = [0.0, 0.0, 0.0]
vtkMath.Multiply3x3(a, x, y)
self.assertEqual(x, y)
def testInformationVectorKeys(self):
a = vtkImageGridSource()
spacing = (3.0, 2.0, 1.0)
a.SetDataSpacing(spacing)
a.UpdateInformation()
info = a.GetOutputInformation(0)
t = info.Get(vtkDataObject.SPACING())
self.assertEqual(t, spacing)
def testArrayIterator(self):
# try a string array
a = vtkStringArray()
a.InsertNextValue("hello")
i = a.NewIterator()
self.assertEqual(a.GetValue(0), i.GetValue(0))
# try the various data array subclasses
for arrayClass in arrays:
a = arrayClass()
a.SetNumberOfComponents(2)
a.SetNumberOfTuples(1)
tupleIn = (a.GetDataTypeValueMin(), a.GetDataTypeValueMax())
a.SetTypedTuple(0, tupleIn)
i = a.NewIterator()
# make sure iterator's GetTuple method is wrapped
tupleOut = i.GetTuple(0)
self.assertEqual(tupleIn, tupleOut)
# make sure the GetValue method returns expected result
self.assertEqual(tupleIn[0], i.GetValue(0))
self.assertEqual(tupleIn[1], i.GetValue(1))
if __name__ == "__main__":
Testing.main([(TestArrayArguments, 'test')])
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