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""" |
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@author: John NGUI |
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""" |
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|
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import vtk |
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|
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class Glyph3D: |
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""" |
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Class that defines 3D glyph. |
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""" |
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|
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def __init__(self, object, source, range): |
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""" |
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Initialise the 3D glyph. |
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|
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@type object: vtkDataSet, etc |
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@param object: Input for the 3D glyph |
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@type source: vtkPolyData |
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@param source: Source for the 3D glyph (i.e. Arrow2D, Arrow3D, etc) |
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@type range: Two column tuple containing numbers |
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@param range: Range to map scalar values |
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""" |
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|
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self.__object = object |
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self.__source = source |
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self.__range = range |
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self.__vtk_glyph3D = vtk.vtkGlyph3D() |
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|
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self.__setInput() |
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self.__setSource() |
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self.setScaleModeByVector() |
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self.__setVectorModeByVector() |
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self.__setClampingOn() |
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|
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self.__setScalingOn() |
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self.__setOrientOn() |
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self.__setRange() |
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|
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def __setInput(self): |
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""" |
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Set the input for the 3D glyph. |
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""" |
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|
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self.__vtk_glyph3D.SetInput(self.__object) |
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|
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def __setSource(self): |
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""" |
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Set the source for the 3D glyph. |
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""" |
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|
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self.__vtk_glyph3D.SetSource(self.__source) |
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|
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def setScaleModeByVector(self): |
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""" |
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Set the 3D glyph to scale according to the vector. |
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""" |
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|
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self.__vtk_glyph3D.SetScaleModeToScaleByVector() |
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|
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def setScaleModeByScalar(self): |
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""" |
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Set the 3D glyph to scale according to the scalar. |
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""" |
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|
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self.__vtk_glyph3D.SetScaleModeToScaleByScalar() |
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|
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def _setColorModeByVector(self): |
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""" |
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Set the 3D glyph color according to the vector. |
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""" |
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|
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self.__vtk_glyph3D.SetColorModeToColorByVector() |
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|
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def _setColorModeByScalar(self): |
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""" |
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Set the 3D glyph color according to the scalar. |
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""" |
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|
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self.__vtk_glyph3D.SetColorModeToColorByScalar() |
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|
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def __setVectorModeByVector(self): |
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""" |
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Set the 3D glyph vector mode according to the vector. |
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""" |
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|
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self.__vtk_glyph3D.SetVectorModeToUseVector() |
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|
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def setScaleFactor(self, scale_factor): |
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""" |
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Set the 3D glyph scale factor. |
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|
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@type scale_factor: Number |
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@param scale_factor: Scale factor |
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""" |
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|
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self.__vtk_glyph3D.SetScaleFactor(scale_factor) |
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|
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def __setClampingOn(self): |
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""" |
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Enable clamping of "scalar" values to range. |
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""" |
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|
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self.__vtk_glyph3D.SetClamping(1) |
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|
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def __setScalingOn(self): |
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""" |
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Enable the scaling of the rendered object. |
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""" |
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|
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self.__vtk_glyph3D.ScalingOn() |
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|
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def __setOrientOn(self): |
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""" |
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Enable the orientation of the rendered object along the vector/normal. |
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""" |
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|
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self.__vtk_glyph3D.OrientOn() |
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|
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def __setRange(self): |
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""" |
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Set the range to map scalar values. |
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""" |
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|
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self.__vtk_glyph3D.SetRange(self.__range) |
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|
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def _getOutput(self): |
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""" |
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Return the output of the 3D glyph. |
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|
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@rtype: vtkPolyData |
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@return Polygonal data |
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""" |
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|
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return self.__vtk_glyph3D.GetOutput() |
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|
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|
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############################################################################### |
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|
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|
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class TensorGlyph: |
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""" |
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Class that defines tensor glyph. |
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""" |
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|
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def __init__(self, object, source): |
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""" |
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Initialise the tensor glyph. |
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|
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@type object: vtkDataSet, etc |
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@param object: Input for the 3D glyph |
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@type source: vtkPolyData |
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@param source: Source for the 3D glyph (i.e. Sphere, etc) |
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""" |
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|
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self.__object = object |
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self.__source = source |
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self.__vtk_tensor_glyph = vtk.vtkTensorGlyph() |
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|
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self.__setupTensorGlyph() |
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|
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def __setupTensorGlyph(self): |
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""" |
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Setup the tensor glyph. |
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""" |
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|
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self.__setInput() |
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self.__setSource() |
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|
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def __setInput(self): |
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""" |
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Set the input for the tensor glyph. |
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""" |
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|
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self.__vtk_tensor_glyph.SetInput(self.__object) |
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|
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def __setSource(self): |
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""" |
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Set the source for the tensor glyph. |
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""" |
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|
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self.__vtk_tensor_glyph.SetSource(self.__source) |
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|
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def setScaleFactor(self, scale_factor): |
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""" |
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Set the scale factor for the tensor glyph. |
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|
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@type scale_factor: Number |
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@param scale_factor: Scale factor |
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""" |
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|
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self.__vtk_tensor_glyph.SetScaleFactor(scale_factor) |
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|
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def setMaxScaleFactor(self, max_scale_factor): |
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""" |
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Set the maximum allowable scale factor for the tensor glyph. |
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|
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@type max_scale_factor: Number |
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@param max_scale_factor: Maximum allowable scale factor. |
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""" |
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|
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self.__vtk_tensor_glyph.SetMaxScaleFactor(scale_factor) |
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|
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def _getOutput(self): |
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""" |
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Return the output of the tensor glyph. |
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|
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@rtype: vtkPolyData |
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@return: Polygonal data |
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""" |
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|
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return self.__vtk_tensor_glyph.GetOutput() |
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