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45 lines
1.1 KiB
45 lines
1.1 KiB
# This example demonstrates how the off-screen capabilities
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# of Mesa can be used in VTK.
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# Note that to be able to run this example, you need to compile
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# VTK with mangled Mesa. See the README.txt file in this directory
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# for instructions on how this can be done.
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package require vtk
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package require vtkinteraction
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# Create Mesa specific render window and renderer
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# When using Mesa, you should always create Mesa specific renderers,
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# render windows, mappers, actors, lights, cameras etc...
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# See the Mesa classes in the Rendering directory for a list of
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# existing classes.
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vtkXMesaRenderWindow renWin
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# Will render in memory.
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renWin OffScreenRenderingOn
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vtkMesaRenderer ren
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renWin AddRenderer ren
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vtkConeSource cone
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vtkMesaPolyDataMapper mp
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mp SetInputConnection [cone GetOutputPort]
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vtkMesaActor actor
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actor SetMapper mp
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ren AddActor actor
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renWin Render
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# Save the window to a png file
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vtkWindowToImageFilter w2if
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w2if SetInput renWin
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vtkPNGWriter wr
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wr SetInputConnection [w2if GetOutputPort]
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wr SetFileName "MangledMesaTest.png"
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wr Write
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# Exit without displaying anything
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vtkCommand DeleteAllObjects
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exit
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