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Usage
vtkProgrammableFilter is a filter that can be programmed by
the user. To use the filter you define a function that
retrieves input of the correct type, creates data, and then
manipulates the output of the filter. Using this filter
avoids the need for subclassing - and the function can be
defined in an interpreter wrapper language such as Tcl or
Java.
The trickiest part of using this filter is that the input
and output methods are unusual and cannot be compile-time
type checked. Instead, as a user of this filter it is your
responsibility to set and get the correct input and output
types.
To create an instance of class vtkProgrammableFilter, simply
invoke its constructor as follows
obj = vtkProgrammableFilter
Methods
The class vtkProgrammableFilter 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 vtkProgrammableFilter class.
* string = obj.GetClassName ()
* int = obj.IsA (string name)
* vtkProgrammableFilter = obj.NewInstance ()
* vtkProgrammableFilter = obj.SafeDownCast (vtkObject o)
* vtkPolyData = obj.GetPolyDataInput () - Get the input as a
concrete type. This method is typically used by the writer
of the filter function to get the input as a particular
type (i.e., it essentially does type casting). It is the
users responsibility to know the correct type of the input
data.
* vtkStructuredPoints = obj.GetStructuredPointsInput () -
Get the input as a concrete type.
* vtkStructuredGrid = obj.GetStructuredGridInput () - Get
the input as a concrete type.
* vtkUnstructuredGrid = obj.GetUnstructuredGridInput () -
Get the input as a concrete type.
* vtkRectilinearGrid = obj.GetRectilinearGridInput () - Get
the input as a concrete type.
* vtkGraph = obj.GetGraphInput () - Get the input as a
concrete type.
* vtkTable = obj.GetTableInput () - Get the input as a
concrete type.
* obj.SetCopyArrays (bool ) - When CopyArrays is true, all
arrays are copied to the output iff input and output are
of the same type. False by default.
* bool = obj.GetCopyArrays () - When CopyArrays is true, all
arrays are copied to the output iff input and output are
of the same type. False by default.
* obj.CopyArraysOn () - When CopyArrays is true, all arrays
are copied to the output iff input and output are of the
same type. False by default.
* obj.CopyArraysOff () - When CopyArrays is true, all arrays
are copied to the output iff input and output are of the
same type. False by default.
* FreeMat_Documentation
* Visualization_Toolkit_Graphics_Classes
* Generated on Thu Jul 25 2013 17:18:32 for FreeMat by
doxygen_ 1.8.1.1
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