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Usage
vtkPolyDataMapper is a class that maps polygonal data (i.e.,
vtkPolyData) to graphics primitives. vtkPolyDataMapper
serves as a superclass for device-specific poly data
mappers, that actually do the mapping to the rendering/
graphics hardware/software.
To create an instance of class vtkPolyDataMapper, simply
invoke its constructor as follows
obj = vtkPolyDataMapper
Methods
The class vtkPolyDataMapper has several methods that can be
used. They are listed below. Note that the documentation is
translated automatically from the VTK sources, and may not
be completely intelligible. When in doubt, consult the VTK
website. In the methods listed below, obj is an instance of
the vtkPolyDataMapper class.
* string = obj.GetClassName ()
* int = obj.IsA (string name)
* vtkPolyDataMapper = obj.NewInstance ()
* vtkPolyDataMapper = obj.SafeDownCast (vtkObject o)
* obj.RenderPiece (vtkRenderer ren, vtkActor act) -
Implemented by sub classes. Actual rendering is done here.
* obj.Render (vtkRenderer ren, vtkActor act) - This calls
RenderPiece (in a for loop is streaming is necessary).
* obj.SetInput (vtkPolyData in) - Specify the input data to
map.
* vtkPolyData = obj.GetInput () - Specify the input data to
map.
* obj.Update () - Update that sets the update piece first.
* obj.SetPiece (int ) - If you want only a part of the data,
specify by setting the piece.
* int = obj.GetPiece () - If you want only a part of the
data, specify by setting the piece.
* obj.SetNumberOfPieces (int ) - If you want only a part of
the data, specify by setting the piece.
* int = obj.GetNumberOfPieces () - If you want only a part
of the data, specify by setting the piece.
* obj.SetNumberOfSubPieces (int ) - If you want only a part
of the data, specify by setting the piece.
* int = obj.GetNumberOfSubPieces () - If you want only a
part of the data, specify by setting the piece.
* obj.SetGhostLevel (int ) - Set the number of ghost cells
to return.
* int = obj.GetGhostLevel () - Set the number of ghost cells
to return.
* double = obj.GetBounds () - Return bounding box (array of
six doubles) of data expressed as (xmin,xmax, ymin,ymax,
zmin,zmax).
* obj.GetBounds (double bounds[6]) - Return bounding box
(array of six doubles) of data expressed as (xmin,xmax,
ymin,ymax, zmin,zmax).
* obj.ShallowCopy (vtkAbstractMapper m) - Make a shallow
copy of this mapper.
* obj.MapDataArrayToVertexAttribute (string
vertexAttributeName, string dataArrayName, int
fieldAssociation, int componentno) - Select a data array
from the point/cell data and map it to a generic vertex
attribute. vertexAttributeName is the name of the vertex
attribute. dataArrayName is the name of the data array.
fieldAssociation indicates when the data array is a point
data array or cell data array (vtkDataObject::
FIELD_ASSOCIATION_POINTS or (vtkDataObject::
FIELD_ASSOCIATION_CELLS). componentno indicates which
component from the data array must be passed as the
attribute. If -1, then all components are passed.
* obj.MapDataArrayToMultiTextureAttribute (int unit, string
dataArrayName, int fieldAssociation, int componentno)
* obj.RemoveVertexAttributeMapping (string
vertexAttributeName) - Remove a vertex attribute mapping.
* obj.RemoveAllVertexAttributeMappings () - Remove all
vertex attributes.
* FreeMat_Documentation
* Visualization_Toolkit_Rendering_Classes
* Generated on Thu Jul 25 2013 17:18:35 for FreeMat by
doxygen_ 1.8.1.1
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