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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 Actor3D: |
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""" |
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Class that defines a 3D actor. |
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""" |
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|
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def __init__(self, mapper): |
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""" |
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Initialise the 3D actor. |
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|
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@type mapper: vtkDataSetMapper |
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@param mapper: Mapped data |
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""" |
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|
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self.__mapper = mapper |
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self.__vtk_actor3D = vtk.vtkActor() |
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self.__setMapper() |
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|
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def __setMapper(self): |
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""" |
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Set the mapper for the 3D actor. |
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""" |
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|
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self.__vtk_actor3D.SetMapper(self.__mapper) |
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|
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def _setTexture(self, texture): |
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""" |
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Set the texture for the 3D actor. |
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""" |
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|
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self.__vtk_actor3D.SetTexture(texture) |
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|
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def setOpacity(self, opacity): |
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""" |
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Set the opacity (transparency) of the 3D actor. |
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|
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@type opacity: Number (between 0 and 1) |
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@param opacity: Opacity (transparency) of the 3D actor |
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""" |
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|
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self.__vtk_actor3D.GetProperty().SetOpacity(opacity) |
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|
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def setColor(self, color): |
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""" |
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Set the color of the 3D actor. |
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|
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@type color: L{Color <constant.Color>} constant |
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@param color: 3D actor color |
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""" |
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|
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# NOTE: Must be used before actor.GetProperty().SetColor() |
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# in order for the change of color to rendered objects to take effect. |
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self.__mapper.ScalarVisibilityOff() |
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|
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# NOTE: Must be used after mapper.ScalarVisibilityOff() |
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# in order for the change of color rendered objects to take effect. |
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self.__vtk_actor3D.GetProperty().SetColor(color) |
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|
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def setRepresentationToWireframe(self): |
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""" |
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Set the representation of the 3D actor to Wireframe. |
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""" |
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|
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self.__vtk_actor3D.GetProperty().SetRepresentationToWireframe() |
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|
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def _setLineWidth(self, line_width): |
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""" |
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Set the line width of the 3D actor. |
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|
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@type line_width: Number |
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@param line_width: 3D actor line width |
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""" |
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|
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self.__vtk_actor3D.GetProperty().SetLineWidth(line_width) |
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|
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|
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def _getActor3D(self): |
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""" |
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Return the 3D actor. |
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|
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@rtype: vtkActor |
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@return: 3D actor |
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""" |
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|
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return self.__vtk_actor3D |
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|
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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 Actor2D: |
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""" |
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Class that defines a 2D actor. |
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""" |
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|
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def __init__(self, mapper): |
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""" |
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Initialise the 2D actor. |
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|
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@type mapper: vtkImageMapper, etc |
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@param mapper: Mapped data |
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""" |
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|
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self.__mapper = mapper |
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self._vtk_actor2D = vtk.vtkActor2D() |
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self.__setMapper() |
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|
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def __setMapper(self): |
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""" |
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Set the mapper for the 2D actor. |
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""" |
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|
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self._vtk_actor2D.SetMapper(self.__mapper) |
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|
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def setPosition(self, position): |
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""" |
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Set the position of the 2D actor. Default position is the lower left |
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hand corner. |
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|
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@type position: L{LocalPosition <position.LocalPosition>} object |
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@param position: 2D actor position |
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""" |
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|
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self._vtk_actor2D.SetPosition(position._getLocalPosition()) |
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|
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def _getActor2D(self): |
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""" |
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Return the 2D actor. |
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|
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@rtype: vtkActor2D |
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@return 2D actor |
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""" |
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|
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return self._vtk_actor2D |
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|
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|
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class TextActor(Actor2D): |
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""" |
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Class that defines a 2D text actor. |
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""" |
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|
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def __init__(self, text): |
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""" |
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Initialise the 2D text actor. |
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|
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@type text: String |
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@param text: 2D text to be displayed |
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""" |
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|
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self.__text = text |
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self._vtk_actor2D = vtk.vtkTextActor() |
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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 2D text to be displayed. |
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""" |
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|
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self._vtk_actor2D.SetInput(self.__text) |
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|
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def setFontSize(self, size): |
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""" |
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Set the 2D text size. |
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|
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@type size: Number |
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@param size: Size of the 2D text |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetFontSize(size) |
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|
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def setFontToTimes(self): |
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""" |
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Set the 2D text font type to times new roman. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetFontFamilyToTimes() |
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|
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def setFontToArial(self): |
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""" |
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Set the 2D text font type to arial. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetFontFamilyToArial() |
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|
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def setFontToCourier(self): |
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""" |
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Set the 2D text front type to courier. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetFontFamilyToCourier() |
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|
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def setJustificationToCenter(self): |
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""" |
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Set the 2D text to center justification. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetJustificationToCentered() |
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|
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def setJustificationToLeft(self): |
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""" |
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Set the 2D text to left justification. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetJustificationToLeft() |
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|
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def setJustificationToRight(self): |
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""" |
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Set the 2D text to right justification. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetJustificationToRight() |
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|
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def boldOn(self): |
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""" |
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Bold the 2D text. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().BoldOn() |
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|
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def shadowOn(self): |
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""" |
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Apply shadow onto the 2D text to ease visibility. |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().ShadowOn() |
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|
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def setColor(self, color): |
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""" |
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Set the color of the text. |
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|
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@type color: L{Color <constant.Color>} constant |
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@param color: 2D text color |
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""" |
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|
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self._vtk_actor2D.GetTextProperty().SetColor(color) |
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|
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