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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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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, VizType, 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 StructuredPoints, MaskPoints |
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from probe import Probe |
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from average import CellDataToPointData |
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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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@type scene: L{Scene <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: L{DataCollector <datacollector.DataCollector>} |
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object |
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@param data_collector: Deal with source of data for visualisation |
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@type viewport: L{Viewport <constant.Viewport>} constant |
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@param viewport: Viewport in which objects are to be rendered on |
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@type lut : L{Lut <constant.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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# NOTE: Actor3D is inherited and there are two instances declared here. |
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# As a result, when methods from Actor3D is invoked from the driver, |
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# only the methods associated with the latest instance (which in this |
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# case is the Actor3D for the Ellipsoid) can be executed. Actor3D |
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# methods associated with Outline cannot be invoked from the driver. |
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# They can only be called within here, which is why Outline must be |
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# place before Ellipsoid as there is unlikely to be any changes |
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# made to the Outline's Actor3D. |
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|
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# ----- Outline ----- |
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|
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if(outline == True): |
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outline = Outline(data_collector._getOutput()) |
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DataSetMapper.__init__(self, outline._getOutput()) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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# Default outline color is black. |
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Actor3D.setColor(self, Color.BLACK) |
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|
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# Default line width is 1. |
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Actor3D._setLineWidth(self, 1) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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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(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(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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#StructuredPoints.__init__(self, data_collector._getOutput()) |
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#Probe.__init__(self, data_collector._getOutput(), |
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# StructuredPoints._getStructuredPoints(self)) |
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|
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if(cell_to_point == True): # Converts cell data to point data. |
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c2p = CellDataToPointData(data_collector._getOutput()) |
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MaskPoints.__init__(self, c2p._getOutput()) |
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elif(cell_to_point == False): # No conversion happens. |
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MaskPoints.__init__(self, data_collector._getOutput()) |
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|
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Sphere.__init__(self) |
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#TensorGlyph.__init__(self, Probe._getOutput(self), |
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TensorGlyph.__init__(self, MaskPoints._getOutput(self), |
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Sphere._getOutput(self)) |
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Normals.__init__(self, TensorGlyph._getOutput(self)) |
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|
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DataSetMapper.__init__(self, Normals._getOutput(self), |
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lookup_table._getLookupTable()) |
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DataSetMapper._setScalarRange(self, data_collector._getScalarRange()) |
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|
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data_collector._paramForUpdatingMultipleSources(VizType.ELLIPSOID, |
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ColorMode.SCALAR, DataSetMapper._getDataSetMapper(self)) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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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, StructuredPoints and Probe 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, StructuredPoints, Probe): |
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""" |
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This class works in a similar way to L{MapOnPlaneCut <map.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, outline = True): |
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""" |
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@type scene: L{Scene <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: L{DataCollector <datacollector.DataCollector>} |
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object |
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@param data_collector: Deal with source of data for visualisation |
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@type viewport: L{Viewport <constant.Viewport>} constant |
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@param viewport: Viewport in which objects are to be rendered on |
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@type lut : L{Lut <constant.Lut>} constant |
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@param lut: Lookup table color scheme |
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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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# NOTE: Actor3D is inherited and there are two instances declared here. |
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# As a result, when methods from Actor3D is invoked from the driver, |
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# only the methods associated with the latest instance (which in this |
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# case is the Actor3D for the Ellipsoid) can be executed. Actor3D |
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# methods associated with Outline cannot be invoked from the driver. |
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# They can only be called within here, which is why Outline must be |
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# place before Ellipsoid as there is unlikely to be any changes |
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# made to the Outline's Actor3D. |
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|
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# ----- Outline ----- |
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|
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if(outline == True): |
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outline = Outline(data_collector._getOutput()) |
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DataSetMapper.__init__(self, outline._getOutput()) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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# Default outline color is black. |
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Actor3D.setColor(self, Color.BLACK) |
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|
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# Default line width is 1. |
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Actor3D._setLineWidth(self, 1) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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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(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(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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Transform.__init__(self) |
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Plane.__init__(self, Transform._getTransform(self)) |
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|
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StructuredPoints.__init__(self, data_collector._getOutput()) |
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Probe.__init__(self, data_collector._getOutput(), |
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StructuredPoints._getStructuredPoints(self)) |
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|
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Cutter.__init__(self, Probe._getOutput(self), |
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Plane._getPlane(self)) |
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Sphere.__init__(self) |
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|
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TensorGlyph.__init__(self, Cutter._getOutput(self), |
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Sphere._getOutput(self)) |
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Normals.__init__(self, TensorGlyph._getOutput(self)) |
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|
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DataSetMapper.__init__(self, Normals._getOutput(self), |
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lookup_table._getLookupTable()) |
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DataSetMapper._setScalarRange(self, data_collector._getScalarRange()) |
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|
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data_collector._paramForUpdatingMultipleSources(VizType.ELLIPSOID, |
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ColorMode.SCALAR, DataSetMapper._getDataSetMapper(self)) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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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, StructuredPoints and Probe 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, StructuredPoints, Probe): |
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""" |
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This class works in a similar way to L{MapOnPlaneClip <map.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. |
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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, outline = True): |
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""" |
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@type scene: L{Scene <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: L{DataCollector <datacollector.DataCollector>} |
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object |
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@param data_collector: Deal with source of data for visualisation |
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@type viewport: L{Viewport <constant.Viewport>} constant |
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@param viewport: Viewport in which object are to be rendered on |
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@type lut : L{Lut <constant.Lut>} constant |
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@param lut: Lookup table color scheme |
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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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# NOTE: Actor3D is inherited and there are two instances declared here. |
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# As a result, when methods from Actor3D is invoked from the driver, |
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# only the methods associated with the latest instance (which in this |
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# case is the Actor3D for the Ellipsoid) can be executed. Actor3D |
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# methods associated with Outline cannot be invoked from the driver. |
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# They can only be called within here, which is why Outline must be |
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# place before Ellipsoid as there is unlikely to be any changes |
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# made to the Outline's Actor3D. |
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|
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# ----- Outline ----- |
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|
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if(outline == True): |
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outline = Outline(data_collector._getOutput()) |
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DataSetMapper.__init__(self, outline._getOutput()) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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# Default outline color is black. |
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Actor3D.setColor(self, Color.BLACK) |
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|
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# Default line width is 1. |
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Actor3D._setLineWidth(self, 1) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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|
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# ----- Ellipsoid on a clipped 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(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(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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Transform.__init__(self) |
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Plane.__init__(self, Transform._getTransform(self)) |
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|
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StructuredPoints.__init__(self, data_collector._getOutput()) |
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Probe.__init__(self, data_collector._getOutput(), |
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StructuredPoints._getStructuredPoints(self)) |
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|
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# NOTE: TensorGlyph must come before Clipper. Otherwise the output |
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# will be incorrect. |
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Sphere.__init__(self) |
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TensorGlyph.__init__(self, Probe._getOutput(self), |
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Sphere._getOutput(self)) |
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|
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Normals.__init__(self, TensorGlyph._getOutput(self)) |
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# NOTE: Clipper must come after TensorGlyph. Otherwise the output |
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# will be incorrect. |
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Clipper.__init__(self, Normals._getOutput(self), |
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Plane._getPlane(self)) |
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Clipper._setClipFunction(self) |
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|
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DataSetMapper.__init__(self, Clipper._getOutput(self), |
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lookup_table._getLookupTable()) |
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DataSetMapper._setScalarRange(self, data_collector._getScalarRange()) |
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|
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data_collector._paramForUpdatingMultipleSources(VizType.ELLIPSOID, |
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ColorMode.SCALAR, DataSetMapper._getDataSetMapper(self)) |
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|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
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scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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