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81 lines
2.1 KiB
81 lines
2.1 KiB
2 years ago
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# Use the painter to draw using colors.
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# This is not a pipeline object. It will support pipeline objects.
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# Please do not use this object directly.
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package require vtk
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vtkImageCanvasSource2D imageCanvas
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imageCanvas SetNumberOfScalarComponents 3
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imageCanvas SetScalarTypeToUnsignedChar
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imageCanvas SetExtent 0 320 0 320 0 0
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imageCanvas SetDrawColor 0 0 0
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imageCanvas FillBox 0 511 0 511
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# r, g, b
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imageCanvas SetDrawColor 255 0 0
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imageCanvas FillBox 0 50 0 100
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imageCanvas SetDrawColor 128 128 0
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imageCanvas FillBox 50 100 0 100
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imageCanvas SetDrawColor 0 255 0
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imageCanvas FillBox 100 150 0 100
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imageCanvas SetDrawColor 0 128 128
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imageCanvas FillBox 150 200 0 100
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imageCanvas SetDrawColor 0 0 255
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imageCanvas FillBox 200 250 0 100
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imageCanvas SetDrawColor 128 0 128
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imageCanvas FillBox 250 300 0 100
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# intensity scale
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imageCanvas SetDrawColor 5 5 5
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imageCanvas FillBox 0 50 110 210
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imageCanvas SetDrawColor 55 55 55
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imageCanvas FillBox 50 100 110 210
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imageCanvas SetDrawColor 105 105 105
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imageCanvas FillBox 100 150 110 210
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imageCanvas SetDrawColor 155 155 155
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imageCanvas FillBox 150 200 110 210
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imageCanvas SetDrawColor 205 205 205
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imageCanvas FillBox 200 250 110 210
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imageCanvas SetDrawColor 255 255 255
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imageCanvas FillBox 250 300 110 210
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# saturation scale
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imageCanvas SetDrawColor 245 0 0
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imageCanvas FillBox 0 50 220 320
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imageCanvas SetDrawColor 213 16 16
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imageCanvas FillBox 50 100 220 320
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imageCanvas SetDrawColor 181 32 32
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imageCanvas FillBox 100 150 220 320
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imageCanvas SetDrawColor 149 48 48
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imageCanvas FillBox 150 200 220 320
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imageCanvas SetDrawColor 117 64 64
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imageCanvas FillBox 200 250 220 320
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imageCanvas SetDrawColor 85 80 80
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imageCanvas FillBox 250 300 220 320
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vtkImageRGBToHSV convert
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convert SetInputConnection [imageCanvas GetOutputPort]
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vtkImageHSVToRGB convertBack
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convertBack SetInputConnection [convert GetOutputPort]
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vtkImageCast cast
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cast SetInputConnection [convertBack GetOutputPort]
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cast SetOutputScalarTypeToFloat
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cast ReleaseDataFlagOff
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vtkImageViewer viewer
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viewer SetInputConnection [convertBack GetOutputPort]
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#viewer SetInputConnection [imageCanvas GetOutputPort]
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viewer SetColorWindow 256
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viewer SetColorLevel 127.5
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viewer Render
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