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""" |
""" |
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class that shows a vector field by arrows |
@author: John Ngui |
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@author: Lutz Gross |
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""" |
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import vtk |
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from common import * |
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class Arrows(Common): |
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""" |
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Class that shows a vector field by arrows. |
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""" |
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def __init__(self, scene, data_collector): |
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""" |
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@type scene: L{OpenScene <scene.Scene>} object |
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@param scene: Scene in which components are to be added to |
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@type data_collector: L{DataCollector <datacollector.DataCollector>} |
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object |
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@param data_collector: Source of data for visualization |
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""" |
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Common.__init__(self, scene, data_collector) |
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self.vtk_glyph = None |
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self.setArrows() |
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Common.setMapper(self, "self.vtk_glyph.GetOutput()") |
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Common.setActor(self) |
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Common.addActor(self) |
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def setArrows(self): |
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""" |
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Set up the glyph and use arrows as the source. |
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""" |
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vtk_arrows = vtk.vtkArrowSource() |
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self.vtk_glyph = vtk.vtkGlyph3D() |
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self.vtk_glyph.SetInput(self.data_collector.getReader().GetOutput()) |
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self.vtk_glyph.SetSource(vtk_arrows.GetOutput()) |
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self.vtk_glyph.SetVectorModeToUseVector() # Default vector mode |
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self.vtk_glyph.SetScaleModeToScaleByVector() # Default scale mode |
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self.setColorMode("Scalar") # Default color mode |
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self.setScaleFactor(0.2) # Default scale factor |
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def setScaleFactor(self, scale_factor): |
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""" |
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Set the scale factor for the arrows. |
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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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self.vtk_glyph.SetScaleFactor(scale_factor) |
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def setColorMode(self, color_mode): |
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""" |
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Set the color mode for the arrows. |
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@type color_mode: String |
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@param color_mode: Color mode for the arrows (I{Scalar or Vector}) |
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""" |
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eval("self.vtk_glyph.SetColorModeToColorBy%s()" % color_mode) |
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@var __author__: name of author |
""" |
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@var __license__: licence agreement |
class ArrowsOnPlane: |
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@var __copyright__: copyrights |
shows a vector field by arrows on a plane |
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@var __url__: url entry point on documentation |
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@var __version__: version |
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@var __date__: date of the version |
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""" |
""" |
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__copyright__=""" Copyright (c) 2006 by ACcESS MNRF |
pass |
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http://www.access.edu.au |
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Primary Business: Queensland, Australia""" |
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__license__="""Licensed under the Open Software License version 3.0 |
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http://www.opensource.org/licenses/osl-3.0.php""" |
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__author__="Paul Cochrane, L. Gross" |
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__url__="http://www.iservo.edu.au/esys" |
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__version__="$Revision:$" |
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__date__="$Date:$" |
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from common import Component |
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class Arrows(Component): |
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""" |
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shows a vector field by arrows |
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""" |
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pass |
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class ArrowsOnPlane(Component): |
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""" |
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shows a vector field by arrows on a plane |
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""" |
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pass |
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