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######################################################## |
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# |
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# Copyright (c) 2003-2010 by University of Queensland |
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# Earth Systems Science Computational Center (ESSCC) |
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# http://www.uq.edu.au/esscc |
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# |
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# Primary Business: Queensland, Australia |
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# 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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# |
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######################################################## |
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|
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__copyright__="""Copyright (c) 2003-2010 by University of Queensland |
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Earth Systems Science Computational Center (ESSCC) |
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http://www.uq.edu.au/esscc |
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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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__url__="https://launchpad.net/escript-finley" |
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|
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""" |
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:var __author__: name of author |
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:var __copyright__: copyrights |
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:var __license__: licence agreement |
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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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|
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__author__="John Ngui, john.ngui@uq.edu.au" |
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|
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|
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from mapper import DataSetMapper |
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from lookuptable import LookupTable |
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from actor import Actor3D |
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from constant import Viewport, Color, Lut, ColorMode |
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from sphere import Sphere |
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from normals import Normals |
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from glyph import TensorGlyph |
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from outline import Outline |
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from point import MaskPoints |
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from average import CellDataToPointData |
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from esys.escript import getMPISizeWorld |
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if getMPISizeWorld()==1: import vtk |
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|
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# NOTE: DataSetMapper, Actor3D, Sphere, Normals, TensorGlyph |
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# and MaskPoints were inherited to allow access to their |
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# public methods from the driver. |
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class Ellipsoid(DataSetMapper, Actor3D, Sphere, Normals, TensorGlyph, |
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MaskPoints): |
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""" |
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Class that shows a tensor field using ellipsoids. The ellipsoids can either |
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be colored or grey-scaled, depending on the lookup table used. |
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""" |
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|
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# The SOUTH_WEST default viewport is used when there is only one viewport. |
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# This saves the user from specifying the viewport when there is only one. |
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# If no lut is specified, the color scheme will be used. |
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def __init__(self, scene, data_collector, viewport = Viewport.SOUTH_WEST, |
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lut = Lut.COLOR, cell_to_point = False, outline = True): |
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""" |
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Initialise the Ellipsoid. |
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|
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:attention: The source can either be point or cell data. If the source is cell data, a conversion to point data may or may not be required, in order for the object to be rendered correctly. If a conversion is needed, the 'cell_to_point' flag must be set to 'True', otherwise 'False' (which is the default). On occasions, an inaccurate object may be rendered from cell data even after conversion. |
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|
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:type scene: `Scene` object |
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:param scene: Scene in which objects are to be rendered on |
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:type data_collector: `DataCollector` object |
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:param data_collector: Deal with source of data for vizualisation |
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:type viewport: `Viewport` constant |
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:param viewport: Viewport in which objects are to be rendered on |
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:type lut: `Lut` constant |
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:param lut: Lookup table color scheme |
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:type cell_to_point: Boolean |
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:param cell_to_point: Converts cell data to point data (by averaging) |
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:type outline: Boolean |
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:param outline: Places an outline around the domain surface |
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""" |
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|
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self.__data_collector = data_collector |
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self.__viewport = viewport |
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self.__lut = lut |
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self.__cell_to_point = cell_to_point |
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self.__outline = outline |
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|
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# Keeps track whether Ellipsoid has been modified. |
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self.__modified = True |
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MaskPoints.__init__(self) |
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Sphere.__init__(self) |
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TensorGlyph.__init__(self) |
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Normals.__init__(self) |
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DataSetMapper.__init__(self) |
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Actor3D.__init__(self) |
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scene._addVisualizationModules(self) |
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|
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# ----- Outline ----- |
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|
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# NOTE: Changes cannot be made to the Outline's properties from the |
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# driver. |
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if(self.__outline == True): |
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outline = Outline(self.__data_collector._getDataCollectorOutput()) |
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mapper = DataSetMapper() |
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mapper._setupDataSetMapper(outline._getOutlineOutput()) |
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|
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actor3D = Actor3D() |
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actor3D._setupActor3D(mapper._getDataSetMapper()) |
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# Default outline color is black. |
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actor3D.setColor(Color.BLACK) |
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|
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# Default line width is 1. |
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actor3D._setLineWidth(1) |
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scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
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|
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# ----- Ellipsoid ----- |
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|
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# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
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# before DataSetMapper. If it is done after DataSetMapper, no effect |
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# will take place. |
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if(self.__lut == Lut.COLOR): # Colored lookup table. |
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lookup_table = LookupTable() |
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lookup_table._setTableValue() |
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elif(self.__lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
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lookup_table = LookupTable() |
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lookup_table._setLookupTableToGreyScale() |
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|
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if(self.__cell_to_point == True): # Converts cell data to point data. |
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c2p = CellDataToPointData( |
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self.__data_collector._getDataCollectorOutput()) |
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self._setupMaskPoints(c2p._getCellToPointOutput()) |
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elif(self.__cell_to_point == False): # No conversion happens. |
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self._setupMaskPoints( |
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self.__data_collector._getDataCollectorOutput()) |
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|
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self._setupTensorGlyph(self._getMaskPointsOutput(), |
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self._getSphereOutput()) |
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self._setupNormals(self._getTensorGlyphOutput()) |
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|
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self._setupDataSetMapper(self._getNormalsOutput(), |
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lookup_table._getLookupTable()) |
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|
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self._setupActor3D(self._getDataSetMapper()) |
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scene._addActor3D(self.__viewport, self._getActor3D()) |
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|
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def _isModified(self): |
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""" |
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Return whether the Ellipsoid or DataCollector has been modified. |
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|
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:rtype: Boolean |
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:return: True or False |
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""" |
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|
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return self.__modified or self.__data_collector._isModified() |
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|
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def _render(self, scene): |
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""" |
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Render the ellipsoids. |
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|
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:type scene: `Scene` object |
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:param scene: Scene in which objects are to be rendered on |
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""" |
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|
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if (self._isModified() == True): |
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if(self.__data_collector._isScalarSet() == True): |
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self.__data_collector._setActiveScalar() |
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if(self.__data_collector._isTensorSet() == True): |
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self.__data_collector._setActiveTensor() |
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|
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# self._isScalarRangeSet checks whether the scalar range has been |
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# specified by the user. If it has, then the scalar range |
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# read from the source will be ignored. |
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if(not(self._isScalarRangeSet())): |
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self._setScalarRange(self.__data_collector._getScalarRange()) |
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self.__modified = False |
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|
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|
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############################################################################### |
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|
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|
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from transform import Transform |
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from plane import Plane |
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from cutter import Cutter |
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|
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# NOTE: DataSetMapper, Actor3D, Sphere, Normals, TensorGlyph, Transform, Plane, |
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# Cutter and MaskPoints were inherited to allow access to |
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# their public methods from the driver. |
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class EllipsoidOnPlaneCut(DataSetMapper, Actor3D, Sphere, Normals, |
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TensorGlyph, Transform, Plane, Cutter, MaskPoints): |
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""" |
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This class works in a similar way to `MapOnPlaneCut`, |
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except that it shows a tensor field using ellipsoids cut using a plane. |
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""" |
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|
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# The SOUTH_WEST default viewport is used when there is only one viewport. |
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# This saves the user from specifying the viewport when there is only one. |
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# If no lut is specified, the color scheme will be used. |
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def __init__(self, scene, data_collector, viewport = Viewport.SOUTH_WEST, |
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lut = Lut.COLOR, cell_to_point = False, outline = True): |
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""" |
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Initialise the EllipsoidOnPlaneCut. |
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|
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:attention: The source can either be point or cell data. If the source is cell data, a conversion to point data may or may not be required, in order for the object to be rendered correctly. If a conversion is needed, the 'cell_to_point' flag must be set to 'True', otherwise 'False' (which is the default). |
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|
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:type scene: `Scene` object |
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:param scene: Scene in which objects are to be rendered on |
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:type data_collector: `DataCollector` object |
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:param data_collector: Deal with source of data for vizualisation |
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:type viewport: `Viewport` constant |
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:param viewport: Viewport in which objects are to be rendered on |
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:type lut: `Lut` constant |
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:param lut: Lookup table color scheme |
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:type cell_to_point: Boolean |
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:param cell_to_point: Converts cell data to point data (by averaging) |
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:type outline: Boolean |
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:param outline: Places an outline around the domain surface |
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""" |
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|
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self.__data_collector = data_collector |
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self.__viewport = viewport |
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self.__lut = lut |
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self.__cell_to_point = cell_to_point |
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self.__outline = outline |
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|
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# Keeps track whether EllipsoidOnPlaneCut has been modified. |
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self.__modified = True |
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Transform.__init__(self) |
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Plane.__init__(self) |
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Cutter.__init__(self) |
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MaskPoints.__init__(self) |
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Sphere.__init__(self) |
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TensorGlyph.__init__(self) |
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Normals.__init__(self) |
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DataSetMapper.__init__(self) |
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Actor3D.__init__(self) |
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scene._addVisualizationModules(self) |
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|
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# ----- Outline ----- |
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|
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# NOTE: Changes cannot be made to the Outline's properties from the |
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# driver. |
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if(self.__outline == True): |
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outline = Outline(self.__data_collector._getDataCollectorOutput()) |
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mapper = DataSetMapper() |
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mapper._setupDataSetMapper(outline._getOutlineOutput()) |
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|
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actor3D = Actor3D() |
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actor3D._setupActor3D(mapper._getDataSetMapper()) |
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# Default outline color is black. |
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actor3D.setColor(Color.BLACK) |
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|
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# Default line width is 1. |
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actor3D._setLineWidth(1) |
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scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
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|
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# ----- Ellipsoid on a cut plane ----- |
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|
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# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
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# before DataSetMapper. If it is done after DataSetMapper, no effect |
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# will take place. |
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if(self.__lut == Lut.COLOR): # Colored lookup table. |
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lookup_table = LookupTable() |
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lookup_table._setTableValue() |
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elif(self.__lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
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lookup_table = LookupTable() |
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lookup_table._setLookupTableToGreyScale() |
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|
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self._setupPlane(self._getTransform()) |
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|
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if(self.__cell_to_point == True): # Converts cell data to point data. |
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c2p = CellDataToPointData( |
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self.__data_collector._getDataCollectorOutput()) |
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self._setupCutter(c2p._getCellToPointOutput(), self._getPlane()) |
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elif(self.__cell_to_point == False): # No conversion happens. |
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self._setupCutter(self.__data_collector._getDataCollectorOutput(), |
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self._getPlane()) |
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|
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self._setupMaskPoints(self._getCutterOutput()) |
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|
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self._setupTensorGlyph(self._getMaskPointsOutput(), |
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self._getSphereOutput()) |
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self._setupNormals(self._getTensorGlyphOutput()) |
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|
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self._setupDataSetMapper(self._getNormalsOutput(), |
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lookup_table._getLookupTable()) |
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|
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self._setupActor3D(self._getDataSetMapper()) |
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scene._addActor3D(self.__viewport, self._getActor3D()) |
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|
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def _isModified(self): |
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""" |
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Return whether the EllipsoidOnPlaneCut or DataCollector has been |
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modified. |
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|
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:rtype: Boolean |
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:return: True or False |
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""" |
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|
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return self.__modified or self.__data_collector._isModified() |
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|
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def _render(self, scene): |
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""" |
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Render the ellipsoids cut using a plane. |
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|
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:type scene: `Scene` object |
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:param scene: Scene in which objects are to be rendered on |
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""" |
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|
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if (self._isModified() == True): |
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if(self.__data_collector._isScalarSet() == True): |
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self.__data_collector._setActiveScalar() |
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if(self.__data_collector._isTensorSet() == True): |
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self.__data_collector._setActiveTensor() |
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|
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# self._isScalarRangeSet checks whether the scalar range has been |
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# specified by the user. If it has, then the scalar range |
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# read from the source will be ignored. |
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if(not(self._isScalarRangeSet())): |
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self._setScalarRange(self.__data_collector._getScalarRange()) |
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self.__modified = False |
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|
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|
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############################################################################### |
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|
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|
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from clipper import Clipper |
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|
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# NOTE: DataSetMapper, Actor3D, Sphere, Normals, TensorGlyph, Transform, Plane, |
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# Clipper and MaskPoints were inherited to allow access to |
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# their public methods from the driver. |
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class EllipsoidOnPlaneClip(DataSetMapper, Actor3D, Sphere, Normals, |
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TensorGlyph, Transform, Plane, Clipper, MaskPoints): |
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""" |
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This class works in a similar way to `MapOnPlaneClip`, |
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except that it shows a tensor field using ellipsoids clipped using a plane. |
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""" |
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|
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# The SOUTH_WEST default viewport is used when there is only one viewport. |
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# This saves the user from specifying the viewport when there is only one. |
| 339 |
# If no lut is specified, the color scheme will be used. |
| 340 |
def __init__(self, scene, data_collector, viewport = Viewport.SOUTH_WEST, |
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lut = Lut.COLOR, cell_to_point = False, outline = True): |
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""" |
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Initialise the EllipsoidOnPlaneClip. |
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|
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:attention: The source can either be point or cell data. If the source is cell data, a conversion to point data may or may not be required, in order for the object to be rendered correctly. If a conversion is needed, the 'cell_to_point' flag must be set to 'True', otherwise 'False' (which is the default). |
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|
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:type scene: `Scene` object |
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:param scene: Scene in which objects are to be rendered on |
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:type data_collector: `DataCollector` object |
| 350 |
:param data_collector: Deal with source of data for visualisation |
| 351 |
:type viewport: `Viewport` constant |
| 352 |
:param viewport: Viewport in which object are to be rendered on |
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:type lut: `Lut` constant |
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:param lut: Lookup table color scheme |
| 355 |
:type cell_to_point: Boolean |
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:param cell_to_point: Converts cell data to point data (by averaging) |
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:type outline: Boolean |
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:param outline: Places an outline around the domain surface |
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""" |
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|
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self.__data_collector = data_collector |
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self.__viewport = viewport |
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self.__lut = lut |
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self.__cell_to_point = cell_to_point |
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self.__outline = outline |
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|
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# Keeps track whether EllipsoidOnPlaneClip has been modified. |
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self.__modified = True |
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Transform.__init__(self) |
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Plane.__init__(self) |
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Clipper.__init__(self) |
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MaskPoints.__init__(self) |
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Sphere.__init__(self) |
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TensorGlyph.__init__(self) |
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Normals.__init__(self) |
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DataSetMapper.__init__(self) |
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Actor3D.__init__(self) |
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scene._addVisualizationModules(self) |
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|
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# ----- Outline ----- |
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|
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# NOTE: Changes cannot be made to the Outline's properties from the |
| 383 |
# driver. |
| 384 |
if(self.__outline == True): |
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outline = Outline(self.__data_collector._getDataCollectorOutput()) |
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mapper = DataSetMapper() |
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mapper._setupDataSetMapper(outline._getOutlineOutput()) |
| 388 |
|
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actor3D = Actor3D() |
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actor3D._setupActor3D(mapper._getDataSetMapper()) |
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# Default outline color is black. |
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actor3D.setColor(Color.BLACK) |
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|
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# Default line width is 1. |
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actor3D._setLineWidth(1) |
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scene._addActor3D(self.__viewport, actor3D._getActor3D()) |
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|
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# ----- Ellipsoid on a clipped plane ----- |
| 399 |
|
| 400 |
# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 401 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 402 |
# will take place. |
| 403 |
if(self.__lut == Lut.COLOR): # Colored lookup table. |
| 404 |
lookup_table = LookupTable() |
| 405 |
lookup_table._setTableValue() |
| 406 |
elif(self.__lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
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lookup_table = LookupTable() |
| 408 |
lookup_table._setLookupTableToGreyScale() |
| 409 |
|
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self._setupPlane(self._getTransform()) |
| 411 |
|
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if(self.__cell_to_point == True): # Converts cell data to point data. |
| 413 |
c2p = CellDataToPointData( |
| 414 |
self.__data_collector._getDataCollectorOutput()) |
| 415 |
self._setupMaskPoints(c2p._getCellToPointOutput()) |
| 416 |
elif(self.__cell_to_point == False): # No conversion happens. |
| 417 |
self._setupMaskPoints( |
| 418 |
self.__data_collector._getDataCollectorOutput()) |
| 419 |
|
| 420 |
# NOTE: TensorGlyph must come before Clipper. Otherwise clipping |
| 421 |
# may not work correctly. |
| 422 |
self._setupTensorGlyph(self._getMaskPointsOutput(), |
| 423 |
self._getSphereOutput()) |
| 424 |
self._setupNormals(self._getTensorGlyphOutput()) |
| 425 |
|
| 426 |
# NOTE: Clipper must come after TensorGlyph. Otherwise clipping |
| 427 |
# may not work correctly. |
| 428 |
self._setupClipper(self._getNormalsOutput(), |
| 429 |
self._getPlane()) |
| 430 |
self._setClipFunction() |
| 431 |
|
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self._setupDataSetMapper(self._getClipperOutput(), |
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lookup_table._getLookupTable()) |
| 434 |
|
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self._setupActor3D(self._getDataSetMapper()) |
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scene._addActor3D(self.__viewport, self._getActor3D()) |
| 437 |
|
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def _isModified(self): |
| 439 |
""" |
| 440 |
Return whether the EllipsoidOnPlaneClip or DataCollector has been |
| 441 |
modified. |
| 442 |
|
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:rtype: Boolean |
| 444 |
:return: True or False |
| 445 |
""" |
| 446 |
|
| 447 |
return self.__modified or self.__data_collector._isModified() |
| 448 |
|
| 449 |
def _render(self, scene): |
| 450 |
""" |
| 451 |
Render the ellipsoids clip using a plane. |
| 452 |
|
| 453 |
:type scene: `Scene` object |
| 454 |
:param scene: Scene in which objects are to be rendered on |
| 455 |
""" |
| 456 |
|
| 457 |
if (self._isModified() == True): |
| 458 |
if(self.__data_collector._isScalarSet() == True): |
| 459 |
self.__data_collector._setActiveScalar() |
| 460 |
if(self.__data_collector._isTensorSet() == True): |
| 461 |
self.__data_collector._setActiveTensor() |
| 462 |
|
| 463 |
# self._isScalarRangeSet checks whether the scalar range has been |
| 464 |
# specified by the user. If it has, then the scalar range |
| 465 |
# read from the source will be ignored. |
| 466 |
if(not(self._isScalarRangeSet())): |
| 467 |
self._setScalarRange(self.__data_collector._getScalarRange()) |
| 468 |
self.__modified = False |
| 469 |
|
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