def testvtkTkRenderWidget(self):
"Test if vtkTkRenderWidget works."
self.rw.Render()
self.root.update()
img_file = "TestTkRenderWidget.png"
Testing.compareImage(self.rw, Testing.getAbsImagePath(img_file))
Testing.interact()
def testvtkTkRenderWindowInteractor(self):
"Test if vtkTkRenderWindowInteractor works."
self.tkrw.Start()
self.tkrw.Render()
self.root.update()
img_file = "TestTkRenderWindowInteractor.png"
Testing.compareImage(self.rw, Testing.getAbsImagePath(img_file))
Testing.interact()
def testvtkTkRenderWindowInteractor(self):
"Test if vtkTkRenderWindowInteractor works."
self.tkrw.Start()
self.tkrw.Render()
self.root.update()
img_file = "TestTkRenderWindowInteractor.png"
Testing.compareImage(self.rw, Testing.getAbsImagePath(img_file))
Testing.interact()
def testGlyphs(self):
'''Test if the glyphs are created nicely.'''
reader = vtk.vtkDataSetReader()
data_file = os.path.join(Testing.VTK_DATA_ROOT, "Data", "tensors.vtk")
reader.SetFileName(data_file)
g1 = SimpleGlyph(reader)
g1.glyph.ColorGlyphsOff()
g1.Update()
g2 = SimpleGlyph(reader)
g2.glyph.ExtractEigenvaluesOff()
g2.Update()
g2.SetPosition((2.0, 0.0, 0.0))
g3 = SimpleGlyph(reader)
g3.glyph.SetColorModeToEigenvalues()
g3.glyph.ThreeGlyphsOn()
g3.Update()
g3.SetPosition((0.0, 2.0, 0.0))
g4 = SimpleGlyph(reader)
g4.glyph.SetColorModeToEigenvalues()
g4.glyph.ThreeGlyphsOn()
g4.glyph.SymmetricOn()
g4.Update()
g4.SetPosition((2.0, 2.0, 0.0))
# 6Components symetric tensor
g5 = SimpleGlyph(reader)
g5.glyph.SetInputArrayToProcess(0, 0, 0, 0, "symTensors1")
g5.SetPosition((4.0, 2.0, 0.0))
g5.Update()
ren = vtk.vtkRenderer()
for i in (g1, g2, g3, g4, g5):
for j in i.GetActors():
ren.AddActor(j)
ren.ResetCamera()
cam = ren.GetActiveCamera()
cam.Azimuth(-20)
cam.Elevation(20)
cam.Zoom(1.1)
ren.SetBackground(0.5, 0.5, 0.5)
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.Render()
img_file = "TestTensorGlyph.png"
Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
Testing.interact()
def testGlyphs(self):
'''Test if the glyphs are created nicely.'''
reader = vtk.vtkDataSetReader()
data_file = os.path.join(Testing.VTK_DATA_ROOT, "Data", "tensors.vtk")
reader.SetFileName(data_file)
g1 = SimpleGlyph(reader)
g1.glyph.ColorGlyphsOff()
g1.Update()
g2 = SimpleGlyph(reader)
g2.glyph.ExtractEigenvaluesOff()
g2.Update()
g2.SetPosition((2.0, 0.0, 0.0))
g3 = SimpleGlyph(reader)
g3.glyph.SetColorModeToEigenvalues()
g3.glyph.ThreeGlyphsOn()
g3.Update()
g3.SetPosition((0.0, 2.0, 0.0))
g4 = SimpleGlyph(reader)
g4.glyph.SetColorModeToEigenvalues()
g4.glyph.ThreeGlyphsOn()
g4.glyph.SymmetricOn()
g4.Update()
g4.SetPosition((2.0, 2.0, 0.0))
# 6Components symetric tensor
g5 = SimpleGlyph(reader)
g5.glyph.SetInputArrayToProcess(0, 0, 0, 0, "symTensors1")
g5.SetPosition((4.0, 2.0, 0.0))
g5.Update()
ren = vtk.vtkRenderer()
for i in (g1, g2, g3, g4, g5):
for j in i.GetActors():
ren.AddActor(j)
ren.ResetCamera();
cam = ren.GetActiveCamera()
cam.Azimuth(-20)
cam.Elevation(20)
cam.Zoom(1.1)
ren.SetBackground(0.5, 0.5, 0.5)
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.Render()
img_file = "TestTensorGlyph.png"
Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
Testing.interact()
def DoIt(self):
self.SetUp()
self.renWin.Render()
self.tkrw.Render()
self.root.update()
# If you want to interact and use the sliders etc,
# uncomment the following line.
#self.root.mainloop()
img_file = "TestTextActor3D.png"
Testing.compareImage(self.renWin, Testing.getAbsImagePath(img_file))
Testing.interact()
def DoIt(self):
self.SetUp()
self.renWin.Render()
self.tkrw.Render()
self.root.update()
# If you want to interact and use the sliders etc,
# uncomment the following line.
#self.root.mainloop()
img_file = "squadViewer.png"
Testing.compareImage(self.renWin, Testing.getAbsImagePath(img_file))
Testing.interact()
def DoIt(self):
self.SetUp()
self.tkrw.Render()
self.root.update()
# If you want to interact and use the sliders etc,
# uncomment the following line.
#self.root.mainloop()
img_file = "TestTextActor3D.png"
Testing.compareImage(self.tkrw.GetRenderWindow(),
Testing.getAbsImagePath(img_file))
Testing.interact()
self.tkrw.destroy()
def testRasterEPS(self):
"""Test EPS output when Write3DPropsAsRasterImage is on."""
# Get a temporary file name. Set the extension to empty since
# the exporter appends a suitable extension.
tmp_eps = tempfile.mktemp('')
# Write an EPS file.
exp = vtk.vtkGL2PSExporter()
exp.SetRenderWindow(self.renWin)
exp.SetFilePrefix(tmp_eps)
# Turn off compression so PIL can read file.
exp.CompressOff()
exp.SetSortToOff()
exp.DrawBackgroundOn()
exp.Write3DPropsAsRasterImageOn()
exp.Write()
# Now read the EPS file using PIL.
tmp_eps += '.eps'
im = Image.open(tmp_eps)
# Get a temporary name for the PNG file.
tmp_png = tempfile.mktemp('.png')
im.save(tmp_png)
# Now read the saved image and compare it for the test.
png_r = vtk.vtkPNGReader()
png_r.SetFileName(tmp_png)
png_r.Update()
img = png_r.GetOutput()
# Cleanup. Do this first because if the test fails, an
# exception is raised and the temporary files won't be
# removed.
self._cleanup([tmp_eps, tmp_png])
img_file = "TestGL2PSExporter.png"
Testing.compareImageWithSavedImage(img,
Testing.getAbsImagePath(img_file))
# Interact if necessary.
Testing.interact()
def testRasterEPS(self):
"""Test EPS output when Write3DPropsAsRasterImage is on."""
# Get a temporary file name. Set the extension to empty since
# the exporter appends a suitable extension.
tmp_eps = tempfile.mktemp('')
# Write an EPS file.
exp = vtk.vtkGL2PSExporter()
exp.SetRenderWindow(self.renWin)
exp.SetFilePrefix(tmp_eps)
# Turn off compression so PIL can read file.
exp.CompressOff()
exp.SetSortToOff()
exp.DrawBackgroundOn()
exp.Write3DPropsAsRasterImageOn()
exp.Write()
# Now read the EPS file using PIL.
tmp_eps += '.eps'
im = Image.open(tmp_eps)
# Get a temporary name for the PNG file.
tmp_png = tempfile.mktemp('.png')
im.save(tmp_png)
# Now read the saved image and compare it for the test.
png_r = vtk.vtkPNGReader()
png_r.SetFileName(tmp_png)
png_r.Update()
img = png_r.GetOutput()
# Cleanup. Do this first because if the test fails, an
# exception is raised and the temporary files won't be
# removed.
self._cleanup([tmp_eps, tmp_png])
img_file = "TestGL2PSExporter.png"
Testing.compareImageWithSavedImage(img,
Testing.getAbsImagePath(img_file))
# Interact if necessary.
Testing.interact()
