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38 lines
940 B
38 lines
940 B
package require -exact vtkrendering 5.0
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namespace eval ::vtk {
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proc grab_screenshot {renderer basename} {
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$renderer Render
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set rs \
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[::vtk::new_widget_object "_${renderer}" vtkRendererSource rs]
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$rs SetInput $renderer
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$rs DepthValuesOff
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$rs DepthValuesInScalarsOn
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set pw \
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[::vtk::new_widget_object "_${renderer}" vtkPNGWriter pw]
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$pw SetInput [$rs GetOutput]
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$pw SetFileName "$basename-rgbz.png"
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$pw Write
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set iec \
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[::vtk::new_widget_object "_${renderer}" vtkImageExtractComponents iec]
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$iec SetInput [$rs GetOutput]
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$iec SetComponents 3
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$pw SetInput [$iec GetOutput]
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$pw SetFileName "$basename-z.png"
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$pw Write
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$iec SetComponents 0 1 2
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$pw SetFileName "$basename-rgb.png"
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$pw Write
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$rs Delete
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$pw Delete
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$iec Delete
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}
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}
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