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return self.__vtk_structured_points |
return self.__vtk_structured_points |
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############################################################################## |
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class MaskPoints: |
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""" |
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Class that the masking of points. It is possible to mask every n'th point. |
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This is useful to prevent the rendered object from being cluttered with |
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arrows or ellipsoids. |
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""" |
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def __init__(self, object): |
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""" |
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Initialise the mask points. |
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|
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@type object: vtkDataSet (i.e. vtkUnstructuredGrid, etc) |
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@param object: Data source to mask points from |
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""" |
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|
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self.__object = object |
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self.__vtk_mask_points = vtk.vtkMaskPoints() |
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self.__setupMaskPoints() |
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def __setupMaskPoints(self): |
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""" |
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Setup the mask points. |
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""" |
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self.__setInput() |
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|
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def __setInput(self): |
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""" |
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Set the input for the mask points. |
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""" |
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|
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self.__vtk_mask_points.SetInput(self.__object) |
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|
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def setRatio(self, ratio): |
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""" |
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Mask every nth point. |
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|
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|
@type ratio: Number |
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@param ratio: Masking ratio |
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""" |
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|
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self.__vtk_mask_points.SetOnRatio(ratio) |
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|
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def randomOn(self): |
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""" |
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Enables the randomization of the points selected for masking. |
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""" |
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|
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self.__vtk_mask_points.RandomModeOn() |
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|
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def randomOff(self): |
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""" |
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Disables the randomization of the points selected for masking. |
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""" |
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self.__vtk_mask_points.RandomModeOff() |
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|
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def _getOutput(self): |
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""" |
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Return the output of the masked points. |
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|
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@rtype: vtkPolyData |
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@return: Polygonal datda |
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""" |
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|
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return self.__vtk_mask_points.GetOutput() |
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|
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|
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