def testUseCallDataType(self):
"""Test adding an observer associated with a callback expecting a CallData
"""
cb = callback()
cb.CallDataType = svtk.SVTK_STRING
lt = svtk.svtkLookupTable()
lt.AddObserver(svtk.svtkCommand.ErrorEvent, cb)
lt.SetTableRange(2, 1)
self.assertEqual(cb.caller, lt)
self.assertEqual(cb.event, "ErrorEvent")
self.assertTrue(cb.calldata.startswith("ERROR: In"))
def testUseCallDataTypeWithDecorator(self):
"""Test adding an observer associated with a callback expecting a CallData
"""
self.onErrorCalldata = ''
@svtk.calldata_type(svtk.SVTK_STRING)
def onError(caller, event, calldata):
self.onErrorCalldata = calldata
lt = svtk.svtkLookupTable()
lt.AddObserver(svtk.svtkCommand.ErrorEvent, onError)
lt.SetTableRange(2, 1)
self.assertTrue(self.onErrorCalldata.startswith("ERROR: In"))
def testUseCallDataTypeWithDecoratorAsString0(self):
"""Test adding an observer associated with a callback expecting a CallData.
This test ensures backward compatibility checking the CallDataType can
be set to the string 'string0'.
"""
self.onErrorCalldata = ''
@svtk.calldata_type('string0')
def onError(caller, event, calldata):
self.onErrorCalldata = calldata
lt = svtk.svtkLookupTable()
lt.AddObserver(svtk.svtkCommand.ErrorEvent, onError)
lt.SetTableRange(2, 1)
self.assertTrue(self.onErrorCalldata.startswith("ERROR: In"))
geometry.SetInputData(reflection)
print('With Geometry Filter (HTG to NS)')
# Shrink Filter
if True:
print('With Shrink Filter (NS)')
# En 3D, le shrink ne doit pas se faire sur la geometrie car elle ne represente que la peau
shrink = svtk.svtkShrinkFilter()
shrink.SetInputConnection(geometry.GetOutputPort())
shrink.SetShrinkFactor(.8)
else:
print('No Shrink Filter (NS)')
shrink = geometry
# LookupTable
lut = svtk.svtkLookupTable()
lut.SetHueRange(0.66, 0)
lut.Build()
# Mappers
mapper = svtk.svtkDataSetMapper()
mapper.SetInputConnection(shrink.GetOutputPort())
shrink.Update()
dataRange = shrink.GetOutput().GetCellData().GetArray('scalar').GetRange()
print('DataRange (after shrink): ', dataRange)
mapper.SetLookupTable(lut)
mapper.SetColorModeToMapScalars()
mapper.SetScalarModeToUseCellFieldData()
mapper.SelectColorArray('scalar')
#!/usr/bin/env python
import svtk
from svtk.util.misc import svtkGetDataRoot
SVTK_DATA_ROOT = svtkGetDataRoot()
# warp an image with a thin plate spline
# first, create an image to warp
imageGrid = svtk.svtkImageGridSource()
imageGrid.SetGridSpacing(16, 16, 0)
imageGrid.SetGridOrigin(0, 0, 0)
imageGrid.SetDataExtent(0, 255, 0, 255, 0, 0)
imageGrid.SetDataScalarTypeToUnsignedChar()
table = svtk.svtkLookupTable()
table.SetTableRange(0, 1)
table.SetValueRange(1.0, 0.0)
table.SetSaturationRange(0.0, 0.0)
table.SetHueRange(0.0, 0.0)
table.SetAlphaRange(0.0, 1.0)
table.Build()
alpha = svtk.svtkImageMapToColors()
alpha.SetInputConnection(imageGrid.GetOutputPort())
alpha.SetLookupTable(table)
reader1 = svtk.svtkBMPReader()
reader1.SetFileName("" + str(SVTK_DATA_ROOT) + "/Data/masonry.bmp")
blend = svtk.svtkImageBlend()
blend.AddInputConnection(0, reader1.GetOutputPort())
blend.AddInputConnection(0, alpha.GetOutputPort())
# next, create a ThinPlateSpline transform
p1 = svtk.svtkPoints()
p1.SetNumberOfPoints(8)
p1.SetPoint(0, 0, 0, 0)
