def vtkKWPiecewiseFunctionEditorEntryPoint(parent, win):
app = parent.GetApplication()
# Create the transfer function that will be modified by the 1st editor
pfed_tfunc1 = vtkPiecewiseFunction()
pfed_tfunc1.AddPoint(0.0, 0.1)
pfed_tfunc1.AddPoint(128.0, 0.3)
pfed_tfunc1.AddPoint(512.0, 0.8)
pfed_tfunc1.AddPoint(1024.0, 0.5)
# Create a transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
pfed_tfunc1_editor = vtkKWPiecewiseFunctionEditor()
pfed_tfunc1_editor.SetParent(parent)
pfed_tfunc1_editor.Create()
pfed_tfunc1_editor.SetBorderWidth(2)
pfed_tfunc1_editor.SetReliefToGroove()
pfed_tfunc1_editor.SetPadX(2)
pfed_tfunc1_editor.SetPadY(2)
pfed_tfunc1_editor.ExpandCanvasWidthOff()
pfed_tfunc1_editor.SetCanvasWidth(250)
pfed_tfunc1_editor.ParameterRangeVisibilityOff()
pfed_tfunc1_editor.ValueRangeVisibilityOff()
pfed_tfunc1_editor.LockEndPointsParameterOn()
pfed_tfunc1_editor.SetBalloonHelpString(
"A transfer function editor. The parameter range slider is hidden, and "
"end points of the function are locked.")
pfed_tfunc1_editor.SetPiecewiseFunction(pfed_tfunc1)
pfed_tfunc1_editor.SetWholeParameterRangeToFunctionRange()
pfed_tfunc1_editor.SetVisibleParameterRangeToWholeParameterRange()
app.Script(
"pack %s -side top -anchor nw -expand n -padx 2 -pady 2",
pfed_tfunc1_editor.GetWidgetName())
# -----------------------------------------------------------------------
# This other transfer function editor is based on a real image data
# Let's load it first
pfed_reader = vtkXMLImageDataReader()
pfed_reader.SetFileName(os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"..", "..", "..", "..", "Data", "head100x100x47.vti"))
# The build an histogram of the data, it will be used inside the editor
# as if we were trying to tune a tfunc based on the real values
pfed_reader.Update()
pfed_hist = vtkKWHistogram()
pfed_hist.BuildHistogram(
pfed_reader.GetOutput().GetPointData().GetScalars(), 0)
range = pfed_hist.GetRange()
# Create the transfer function that will be modified by the 2nd editor
# This one shows a different look & feel
pfed_tfunc2 = vtkPiecewiseFunction()
if (vtkVersion.GetVTKMajorVersion() > 5 or
(vtkVersion.GetVTKMajorVersion() == 5 and
vtkVersion.GetVTKMinorVersion() > 0)):
pfed_tfunc2.AddPoint(range[0] , 0.1, 0.5, 0.00)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.15, 0.9, 0.5, 0.25)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.30, 0.1, 0.5, 0.50)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.45, 0.9, 0.5, 0.75)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.60, 0.1, 0.5, 1.00)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.75, 0.9, 0.2, 0.00)
else:
pfed_tfunc2.AddPoint(range[0] , 0.1)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.15, 0.9)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.30, 0.1)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.45, 0.9)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.60, 0.1)
pfed_tfunc2.AddPoint((range[0] + range[1]) * 0.75, 0.9)
pfed_tfunc2.AddPoint(range[1], 0.1)
# Create a transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
# Use an histogram
pfed_tfunc2_editor = vtkKWPiecewiseFunctionEditor()
pfed_tfunc2_editor.SetParent(parent)
pfed_tfunc2_editor.Create()
pfed_tfunc2_editor.SetBorderWidth(2)
pfed_tfunc2_editor.SetReliefToGroove()
pfed_tfunc2_editor.SetPadX(2)
pfed_tfunc2_editor.SetPadY(2)
pfed_tfunc2_editor.ExpandCanvasWidthOff()
pfed_tfunc2_editor.SetCanvasWidth(450)
pfed_tfunc2_editor.SetCanvasHeight(150)
pfed_tfunc2_editor.SetLabelText("Transfer Function Editor")
pfed_tfunc2_editor.SetBalloonHelpString(
"Another transfer function editor. Guidelines are dispayed "
"for each midpoint, ticks are displayed in the "
"parameter space at the bottom, the width is set explicitly. "
"The range and histogram are based on a real image data.")
pfed_tfunc2_editor.SetPiecewiseFunction(pfed_tfunc2)
pfed_tfunc2_editor.PointIndexVisibilityOff()
pfed_tfunc2_editor.SelectedPointIndexVisibilityOn()
pfed_tfunc2_editor.MidPointVisibilityOn()
pfed_tfunc2_editor.PointGuidelineVisibilityOff()
pfed_tfunc2_editor.MidPointGuidelineVisibilityOn()
pfed_tfunc2_editor.MidPointGuidelineValueVisibilityOn()
pfed_tfunc2_editor.SetMidPointGuidelineValueFormat("%-#6.0f")
pfed_tfunc2_editor.MidPointEntryVisibilityOn()
pfed_tfunc2_editor.SharpnessEntryVisibilityOn()
pfed_tfunc2_editor.SetLabelPositionToTop()
pfed_tfunc2_editor.SetHistogram(pfed_hist)
pfed_tfunc2_editor.ParameterTicksVisibilityOn()
pfed_tfunc2_editor.ComputeValueTicksFromHistogramOn()
pfed_tfunc2_editor.SetParameterTicksFormat(
pfed_tfunc2_editor.GetMidPointGuidelineValueFormat())
app.Script(
"pack %s -side top -anchor nw -expand n -padx 2 -pady 20",
pfed_tfunc2_editor.GetWidgetName())
return "TypeVTK"
def vtkKWColorTransferFunctionEditorEntryPoint(parent, win):
app = parent.GetApplication()
# Create the color transfer function that is modified by the 1st editor
cpsel_tfunc1 = vtkColorTransferFunction()
cpsel_tfunc1.SetColorSpaceToHSV()
cpsel_tfunc1.AddHSVPoint(0.0, 0.66, 1.0, 1.0)
cpsel_tfunc1.AddHSVPoint(512.0, 0.33, 1.0, 1.0)
cpsel_tfunc1.AddHSVPoint(1024.0, 0.0, 1.0, 1.0)
# Create a color transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
cpsel_tfunc1_editor = vtkKWColorTransferFunctionEditor()
cpsel_tfunc1_editor.SetParent(parent)
cpsel_tfunc1_editor.Create()
cpsel_tfunc1_editor.SetBorderWidth(2)
cpsel_tfunc1_editor.SetReliefToGroove()
cpsel_tfunc1_editor.SetPadX(2)
cpsel_tfunc1_editor.SetPadY(2)
cpsel_tfunc1_editor.ParameterRangeVisibilityOff()
cpsel_tfunc1_editor.SetCanvasHeight(30)
cpsel_tfunc1_editor.SetBalloonHelpString(
"A color transfer function editor. Double-click on a point to pop-up "
"a color chooser. The parameter range slider is hidden in this one.")
cpsel_tfunc1_editor.SetColorTransferFunction(cpsel_tfunc1)
cpsel_tfunc1_editor.SetWholeParameterRangeToFunctionRange()
cpsel_tfunc1_editor.SetVisibleParameterRangeToWholeParameterRange()
app.Script("pack %s -side top -anchor nw -expand n -padx 2 -pady 2",
cpsel_tfunc1_editor.GetWidgetName())
# -----------------------------------------------------------------------
# This other transfer function editor is based on a real image data
# Let's load it first
cpsel_reader = vtkXMLImageDataReader()
cpsel_reader.SetFileName(
os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "..",
"..", "..", "Data", "head100x100x47.vti"))
# The build an histogram of the data, it will be used inside the editor
# as if we were trying to tune a tfunc based on the real values
cpsel_reader.Update()
cpsel_hist = vtkKWHistogram()
cpsel_hist.BuildHistogram(
cpsel_reader.GetOutput().GetPointData().GetScalars(), 0)
range = cpsel_hist.GetRange()
# Create the color transfer function that will be modified by the 2nd editor
# This one shows a different look & feel
cpsel_tfunc2 = vtkColorTransferFunction()
cpsel_tfunc2.SetColorSpaceToHSV()
cpsel_tfunc2.AddHSVPoint(range[0], 0.66, 1.0, 1.0)
cpsel_tfunc2.AddHSVPoint((range[0] + range[1]) * 0.5, 0.0, 1.0, 1.0)
cpsel_tfunc2.AddHSVPoint(range[1], 0.33, 1.0, 1.0)
# Create a color transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
# Use an histogram
cpsel_tfunc2_editor = vtkKWColorTransferFunctionEditor()
cpsel_tfunc2_editor.SetParent(parent)
cpsel_tfunc2_editor.Create()
cpsel_tfunc2_editor.SetBorderWidth(2)
cpsel_tfunc2_editor.SetReliefToGroove()
cpsel_tfunc2_editor.SetPadX(2)
cpsel_tfunc2_editor.SetPadY(2)
cpsel_tfunc2_editor.ExpandCanvasWidthOff()
cpsel_tfunc2_editor.SetCanvasWidth(450)
cpsel_tfunc2_editor.SetCanvasHeight(150)
cpsel_tfunc2_editor.SetLabelText("Transfer Function Editor")
cpsel_tfunc2_editor.SetRangeLabelPositionToTop()
cpsel_tfunc2_editor.SetBalloonHelpString(
"Another color transfer function editor. The point position is now on "
"top, the point style is an arrow down, guidelines are shown for each "
"point (useful when combined with an histogram), point indices are "
"hidden, ticks are displayed in the parameter space, the label "
"and the parameter range are on top, its width is set explicitly. "
"The range and histogram are based on a real image data.")
cpsel_tfunc2_editor.SetColorTransferFunction(cpsel_tfunc2)
cpsel_tfunc2_editor.SetWholeParameterRangeToFunctionRange()
cpsel_tfunc2_editor.SetVisibleParameterRangeToWholeParameterRange()
cpsel_tfunc2_editor.SetPointPositionInValueRangeToTop()
cpsel_tfunc2_editor.SetPointStyleToCursorDown()
cpsel_tfunc2_editor.FunctionLineVisibilityOff()
cpsel_tfunc2_editor.PointGuidelineVisibilityOn()
cpsel_tfunc2_editor.PointIndexVisibilityOff()
cpsel_tfunc2_editor.SelectedPointIndexVisibilityOn()
cpsel_tfunc2_editor.MidPointEntryVisibilityOn()
cpsel_tfunc2_editor.SharpnessEntryVisibilityOn()
cpsel_tfunc2_editor.SetLabelPositionToTop()
cpsel_tfunc2_editor.SetHistogram(cpsel_hist)
cpsel_tfunc2_editor.ParameterTicksVisibilityOn()
cpsel_tfunc2_editor.ComputeValueTicksFromHistogramOn()
cpsel_tfunc2_editor.SetParameterTicksFormat("%-#6.0f")
app.Script("pack %s -side top -anchor nw -expand n -padx 2 -pady 20",
cpsel_tfunc2_editor.GetWidgetName())
return "TypeVTK"
def vtkKWColorTransferFunctionEditorEntryPoint(parent, win):
app = parent.GetApplication()
# Create the color transfer function that is modified by the 1st editor
cpsel_tfunc1 = vtkColorTransferFunction()
cpsel_tfunc1.SetColorSpaceToHSV()
cpsel_tfunc1.AddHSVPoint(0.0, 0.66, 1.0, 1.0)
cpsel_tfunc1.AddHSVPoint(512.0, 0.33, 1.0, 1.0)
cpsel_tfunc1.AddHSVPoint(1024.0, 0.0, 1.0, 1.0)
# Create a color transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
cpsel_tfunc1_editor = vtkKWColorTransferFunctionEditor()
cpsel_tfunc1_editor.SetParent(parent)
cpsel_tfunc1_editor.Create()
cpsel_tfunc1_editor.SetBorderWidth(2)
cpsel_tfunc1_editor.SetReliefToGroove()
cpsel_tfunc1_editor.SetPadX(2)
cpsel_tfunc1_editor.SetPadY(2)
cpsel_tfunc1_editor.ParameterRangeVisibilityOff()
cpsel_tfunc1_editor.SetCanvasHeight(30)
cpsel_tfunc1_editor.SetBalloonHelpString(
"A color transfer function editor. Double-click on a point to pop-up "
"a color chooser. The parameter range slider is hidden in this one.")
cpsel_tfunc1_editor.SetColorTransferFunction(cpsel_tfunc1)
cpsel_tfunc1_editor.SetWholeParameterRangeToFunctionRange()
cpsel_tfunc1_editor.SetVisibleParameterRangeToWholeParameterRange()
app.Script(
"pack %s -side top -anchor nw -expand n -padx 2 -pady 2",
cpsel_tfunc1_editor.GetWidgetName())
# -----------------------------------------------------------------------
# This other transfer function editor is based on a real image data
# Let's load it first
cpsel_reader = vtkXMLImageDataReader()
cpsel_reader.SetFileName(os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"..", "..", "..", "..", "Data", "head100x100x47.vti"))
# The build an histogram of the data, it will be used inside the editor
# as if we were trying to tune a tfunc based on the real values
cpsel_reader.Update()
cpsel_hist = vtkKWHistogram()
cpsel_hist.BuildHistogram(
cpsel_reader.GetOutput().GetPointData().GetScalars(), 0)
range = cpsel_hist.GetRange()
# Create the color transfer function that will be modified by the 2nd editor
# This one shows a different look & feel
cpsel_tfunc2 = vtkColorTransferFunction()
cpsel_tfunc2.SetColorSpaceToHSV()
cpsel_tfunc2.AddHSVPoint(range[0], 0.66, 1.0, 1.0)
cpsel_tfunc2.AddHSVPoint((range[0] + range[1]) * 0.5, 0.0, 1.0, 1.0)
cpsel_tfunc2.AddHSVPoint(range[1], 0.33, 1.0, 1.0)
# Create a color transfer function editor
# Assign our tfunc to the editor
# Make sure we show the whole range of the tfunc
# Use an histogram
cpsel_tfunc2_editor = vtkKWColorTransferFunctionEditor()
cpsel_tfunc2_editor.SetParent(parent)
cpsel_tfunc2_editor.Create()
cpsel_tfunc2_editor.SetBorderWidth(2)
cpsel_tfunc2_editor.SetReliefToGroove()
cpsel_tfunc2_editor.SetPadX(2)
cpsel_tfunc2_editor.SetPadY(2)
cpsel_tfunc2_editor.ExpandCanvasWidthOff()
cpsel_tfunc2_editor.SetCanvasWidth(450)
cpsel_tfunc2_editor.SetCanvasHeight(150)
cpsel_tfunc2_editor.SetLabelText("Transfer Function Editor")
cpsel_tfunc2_editor.SetRangeLabelPositionToTop()
cpsel_tfunc2_editor.SetBalloonHelpString(
"Another color transfer function editor. The point position is now on "
"top, the point style is an arrow down, guidelines are shown for each "
"point (useful when combined with an histogram), point indices are "
"hidden, ticks are displayed in the parameter space, the label "
"and the parameter range are on top, its width is set explicitly. "
"The range and histogram are based on a real image data.")
cpsel_tfunc2_editor.SetColorTransferFunction(cpsel_tfunc2)
cpsel_tfunc2_editor.SetWholeParameterRangeToFunctionRange()
cpsel_tfunc2_editor.SetVisibleParameterRangeToWholeParameterRange()
cpsel_tfunc2_editor.SetPointPositionInValueRangeToTop()
cpsel_tfunc2_editor.SetPointStyleToCursorDown()
cpsel_tfunc2_editor.FunctionLineVisibilityOff()
cpsel_tfunc2_editor.PointGuidelineVisibilityOn()
cpsel_tfunc2_editor.PointIndexVisibilityOff()
cpsel_tfunc2_editor.SelectedPointIndexVisibilityOn()
cpsel_tfunc2_editor.MidPointEntryVisibilityOn()
cpsel_tfunc2_editor.SharpnessEntryVisibilityOn()
cpsel_tfunc2_editor.SetLabelPositionToTop()
cpsel_tfunc2_editor.SetHistogram(cpsel_hist)
cpsel_tfunc2_editor.ParameterTicksVisibilityOn()
cpsel_tfunc2_editor.ComputeValueTicksFromHistogramOn()
cpsel_tfunc2_editor.SetParameterTicksFormat("%-#6.0f")
app.Script(
"pack %s -side top -anchor nw -expand n -padx 2 -pady 20",
cpsel_tfunc2_editor.GetWidgetName())
return "TypeVTK"
