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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, Arrow, ColorMode, Lut |
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from arrow import Arrow2D, Arrow3D |
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from glyph import Glyph3D |
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from outline import Outline |
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from probe import Probe |
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from point import StructuredPoints |
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|
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# NOTE: DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, StructuredPoints and |
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# Probe were inherited to allow access to their public methods from the driver. |
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class Velocity(DataSetMapper, Actor3D, Arrow2D, Arrow3D, Glyph3D, |
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StructuredPoints, Probe): |
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""" |
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Class that show a vector field using arrows. |
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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 vector field is specified, the first encountered in the file will |
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# be loaded automatically. If no lut is specified, the color scheme will |
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# be used. |
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def __init__(self, scene, data_collector, vector = None, scalar = None, |
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arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
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viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, outline = True): |
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|
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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 vector: String |
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@param vector: Vector field to load from the source file |
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@type scalar: String |
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@param scalar: Scalar field to load from the source file |
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@type arrow: L{Arrow <constant.Arrow>} constant |
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@param arrow: Type of arrow (two dimensional or three dimensional) |
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@type color_mode: L{ColorMode <constant.ColorMode>} constant |
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@param color_mode: Type of color mode |
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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 Velocity) 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 Velocity 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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# ----- Velocity ----- |
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|
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if(vector != None): |
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data_collector._setActiveVector(vector) |
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elif(scalar != None): |
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data_collector._setActiveScalar(scalar) |
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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(arrow == Arrow.TWO_D): # Use 2D arrows. |
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Arrow2D.__init__(self) |
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Glyph3D.__init__(self, Probe._getOutput(self), |
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Arrow2D._getOutput(self)) |
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elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
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Arrow3D.__init__(self) |
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Glyph3D.__init__(self, Probe._getOutput(self), |
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Arrow3D._getOutput(self)) |
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|
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DataSetMapper.__init__(self, Glyph3D._getOutput(self), |
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lookup_table._getLookupTable()) |
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|
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if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
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print "vector .." |
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Glyph3D._setColorModeByVector(self) |
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Glyph3D._setRange(self, data_collector._getVectorRange()) |
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DataSetMapper._setScalarRange(self, |
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data_collector._getVectorRange()) |
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print data_collector._getVectorRange() |
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elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
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print "scalar.." |
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Glyph3D._setColorModeByScalar(self) |
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Glyph3D._setRange(self, data_collector._getScalarRange()) |
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DataSetMapper._setScalarRange(self, |
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data_collector._getScalarRange()) |
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print data_collector._getScalarRange() |
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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, Arrow2D, Arrow3D, Glyph3D, 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 VelocityOnPlaneCut(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
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Glyph3D, Transform, Plane, Cutter, StructuredPoints, Probe): |
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""" |
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Class that show a vector field using arrows on 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 vector field is specified, the first encountered in the file will |
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# be loaded automatically. If no lut is specified, the color scheme will |
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# be used. |
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def __init__(self, scene, data_collector, vector = None, scalar = None, |
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arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
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viewport = Viewport.SOUTH_WEST, 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 vector: String |
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@param vector: Vector field to load from the source file |
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@type scalar: String |
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@param scalar: Scalar field to load from the source file |
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@type arrow: L{Arrow <constant.Arrow>} constant |
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@param arrow: Type of arrow (two dimensional or three dimensional) |
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@type color_mode: L{ColorMode <constant.ColorMode>} constant |
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@param color_mode: Type of color mode |
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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 Velocity) 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 Velocity 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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# ----- Velocity on a cut plane ----- |
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|
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if(vector != None): |
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data_collector._setActiveVector(vector) |
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elif(scalar != None): |
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data_collector._setActiveScalar(scalar) |
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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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|
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if(arrow == Arrow.TWO_D): # Use 2D arrows. |
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Arrow2D.__init__(self) |
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Glyph3D.__init__(self, Cutter._getOutput(self), |
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Arrow2D._getOutput(self), data_collector._getScalarRange()) |
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elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
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Arrow3D.__init__(self) |
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Glyph3D.__init__(self, Cutter._getOutput(self), |
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Arrow3D._getOutput(self), data_collector._getScalarRange()) |
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|
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DataSetMapper.__init__(self, Glyph3D._getOutput(self), |
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lookup_table._getLookupTable()) |
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|
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if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
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Glyph3D._setColorModeByVector(self) |
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DataSetMapper._setScalarRange(self, |
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data_collector._getVectorRange()) |
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elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
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Glyph3D._setColorModeByScalar(self) |
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DataSetMapper._setScalarRange(self, |
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data_collector._getScalarRange()) |
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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, Arrow2D, Arrow3D, Glyph3D, 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 VelocityOnPlaneClip(DataSetMapper, Actor3D, Arrow2D, Arrow3D, |
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Glyph3D, Transform, Plane, Clipper, StructuredPoints, Probe): |
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""" |
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Class that show a vector field using arrows on a clipped 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. |
| 267 |
# If no vector field is specified, the first encountered in the file will |
| 268 |
# be loaded automatically. If no lut is specified, the color scheme will |
| 269 |
# be used. |
| 270 |
def __init__(self, scene, data_collector, vector = None, scalar = None, |
| 271 |
arrow = Arrow.TWO_D, color_mode = ColorMode.VECTOR, |
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viewport = Viewport.SOUTH_WEST, 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 vector: String |
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@param vector: Vector field to load from the source file |
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@type scalar: String |
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@param scalar: Scalar field to load from the source file |
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@type arrow: L{Arrow <constant.Arrow>} constant |
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@param arrow: Type of arrow (two dimensional or three dimensional) |
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@type color_mode: L{ColorMode <constant.ColorMode>} constant |
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@param color_mode: Type of color mode |
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@type viewport: L{Viewport <constant.Viewport>} constant |
| 288 |
@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 |
| 292 |
@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. |
| 296 |
# As a result, when methods from Actor3D is invoked from the driver, |
| 297 |
# only the methods associated with the latest instance (which in this |
| 298 |
# case is the Actor3D for the Velocity) can be executed. Actor3D |
| 299 |
# methods associated with Outline cannot be invoked from the driver. |
| 300 |
# They can only be called within here, which is why Outline must be |
| 301 |
# place before Velocity as there is unlikely to be any changes |
| 302 |
# made to the Outline's Actor3D. |
| 303 |
|
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# ----- Outline ----- |
| 305 |
|
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if(outline == True): |
| 307 |
outline = Outline(data_collector._getOutput()) |
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DataSetMapper.__init__(self, outline._getOutput()) |
| 309 |
|
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Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 311 |
# Default outline color is black. |
| 312 |
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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# ----- Velocity on a clipped plane ----- |
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|
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if(vector != None): |
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data_collector._setActiveVector(vector) |
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elif(scalar != None): |
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data_collector._setActiveScalar(scalar) |
| 324 |
|
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# NOTE: Lookup table color mapping (color or grey scale) MUST be set |
| 326 |
# before DataSetMapper. If it is done after DataSetMapper, no effect |
| 327 |
# will take place. |
| 328 |
if(lut == Lut.COLOR): # Colored lookup table. |
| 329 |
lookup_table = LookupTable() |
| 330 |
lookup_table._setTableValue() |
| 331 |
elif(lut == Lut.GREY_SCALE): # Grey scaled lookup table. |
| 332 |
lookup_table = LookupTable() |
| 333 |
lookup_table._setLookupTableToGreyScale() |
| 334 |
|
| 335 |
Transform.__init__(self) |
| 336 |
Plane.__init__(self, Transform._getTransform(self)) |
| 337 |
|
| 338 |
StructuredPoints.__init__(self, data_collector._getOutput()) |
| 339 |
Probe.__init__(self, data_collector._getOutput(), |
| 340 |
StructuredPoints._getStructuredPoints(self)) |
| 341 |
|
| 342 |
# NOTE: Glyph3D must come before Clipper. Otherwise, the output will |
| 343 |
# be incorrect. |
| 344 |
if(arrow == Arrow.TWO_D): # Use 2D arrows. |
| 345 |
Arrow2D.__init__(self) |
| 346 |
#Glyph3D.__init__(self, data_collector._getOutput(), |
| 347 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 348 |
Arrow2D._getOutput(self), data_collector._getScalarRange()) |
| 349 |
elif(arrow == Arrow.THREE_D): # Use 3D arrows. |
| 350 |
Arrow3D.__init__(self) |
| 351 |
Glyph3D.__init__(self, Probe._getOutput(self), |
| 352 |
Arrow3D._getOutput(self), data_collector._getScalarRange()) |
| 353 |
|
| 354 |
# NOTE: Clipper must come after Glyph3D. Otherwise, the output will |
| 355 |
# be incorrect. |
| 356 |
Clipper.__init__(self, Glyph3D._getOutput(self), |
| 357 |
Plane._getPlane(self)) |
| 358 |
Clipper._setClipFunction(self) |
| 359 |
|
| 360 |
DataSetMapper.__init__(self, Clipper._getOutput(self), |
| 361 |
lookup_table._getLookupTable()) |
| 362 |
|
| 363 |
if(color_mode == ColorMode.VECTOR): # Color velocity by vector. |
| 364 |
Glyph3D._setColorModeByVector(self) |
| 365 |
DataSetMapper._setScalarRange(self, |
| 366 |
data_collector._getVectorRange()) |
| 367 |
elif(color_mode == ColorMode.SCALAR): # Color velocity by scalar. |
| 368 |
Glyph3D._setColorModeByScalar(self) |
| 369 |
DataSetMapper._setScalarRange(self, |
| 370 |
data_collector._getScalarRange()) |
| 371 |
|
| 372 |
Actor3D.__init__(self, DataSetMapper._getDataSetMapper(self)) |
| 373 |
scene._addActor3D(viewport, Actor3D._getActor3D(self)) |
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