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34 lines
1.0 KiB
34 lines
1.0 KiB
2 years ago
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package require vtk
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# In this example, an image is centered at (0,0,0) before a
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# rotation is applied to ensure that the rotation occurs about
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# the center of the image.
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vtkPNGReader reader
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reader SetDataSpacing 0.8 0.8 1.5
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reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"
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# first center the image at (0,0,0)
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vtkImageChangeInformation information
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information SetInputConnection [reader GetOutputPort]
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information CenterImageOn
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vtkImageReslice reslice
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reslice SetInputConnection [information GetOutputPort]
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reslice SetResliceAxesDirectionCosines 0.866025 -0.5 0 0.5 0.866025 0 0 0 1
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reslice SetInterpolationModeToCubic
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# reset the image back to the way it was (you don't have
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# to do this, it is just put in as an example)
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vtkImageChangeInformation information2
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information2 SetInputConnection [reslice GetOutputPort]
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information2 SetInformationInput [reader GetOutput]
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vtkImageViewer viewer
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viewer SetInputConnection [information2 GetOutputPort]
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viewer SetColorWindow 2000
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viewer SetColorLevel 1000
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viewer Render
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