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vtkStructuredGridGeometryFilter Class Reference

extract geometry for structured grid. More...

#include <vtkStructuredGridGeometryFilter.h>

Inheritance diagram for vtkStructuredGridGeometryFilter:

[legend]Collaboration diagram for vtkStructuredGridGeometryFilter:

[legend]List of all members.

Public Methods
virtual const char *	GetClassName ()
virtual int	IsA (const char *type)
void	PrintSelf (ostream &os, vtkIndent indent)
void	SetExtent (int iMin, int iMax, int jMin, int jMax, int kMin, int kMax)
void	SetExtent (int extent[6])
virtual int *	GetExtent ()
virtual void	GetExtent (int data[6])
Static Public Methods
vtkStructuredGridGeometryFilter *	New ()
int	IsTypeOf (const char *type)
vtkStructuredGridGeometryFilter *	SafeDownCast (vtkObject *o)
Protected Methods
	vtkStructuredGridGeometryFilter ()
	~vtkStructuredGridGeometryFilter ()
void	Execute ()
void	ComputeInputUpdateExtents (vtkDataObject *output)
Protected Attributes
int	Extent [6]

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Detailed Description

extract geometry for structured grid.

Date:

2001/10/11 13:37:17

Revision:

1.41

vtkStructuredGridGeometryFilter is a filter that extracts geometry from a structured grid. By specifying appropriate i-j-k indices, it is possible to extract a point, a curve, a surface, or a "volume". Depending upon the type of data, the curve and surface may be curved or planar. (The volume is actually a (n x m x o) region of points.)

The extent specification is zero-offset. That is, the first k-plane in a 50x50x50 structured grid is given by (0,49, 0,49, 0,0).

The output of this filter is affected by the structured grid blanking. If blanking is on, and a blanking array defined, then those cells attached to blanked points are not output. (Blanking is a property of the input vtkStructuredGrid.)

Warning:

If you don't know the dimensions of the input dataset, you can use a large number to specify extent (the number will be clamped appropriately). For example, if the dataset dimensions are 50x50x50, and you want a the fifth k-plane, you can use the extents (0,100, 0,100, 4,4). The 100 will automatically be clamped to 49.

See also:

vtkGeometryFilter vtkExtractGrid vtkStructuredGrid

Examples:

vtkStructuredGridGeometryFilter (Examples)

Tests:

vtkStructuredGridGeometryFilter (Tests)

Definition at line 82 of file vtkStructuredGridGeometryFilter.h.

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Constructor & Destructor Documentation

vtkStructuredGridGeometryFilter::vtkStructuredGridGeometryFilter (    )  [protected]

vtkStructuredGridGeometryFilter::~vtkStructuredGridGeometryFilter (    )  [inline, protected]

Definition at line 103 of file vtkStructuredGridGeometryFilter.h.

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Member Function Documentation

vtkStructuredGridGeometryFilter* vtkStructuredGridGeometryFilter::New (    )  [static]

Instantiate object with no start, end, or progress methods. Reimplemented from vtkPolyDataSource.

virtual const char* vtkStructuredGridGeometryFilter::GetClassName (    )  [virtual]

Return the class name as a string. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkStructuredGridToPolyDataFilter.

int vtkStructuredGridGeometryFilter::IsTypeOf (  const char *    type )  [static]

Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkStructuredGridToPolyDataFilter.

virtual int vtkStructuredGridGeometryFilter::IsA (  const char *    type )  [virtual]

Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkStructuredGridToPolyDataFilter.

vtkStructuredGridGeometryFilter* vtkStructuredGridGeometryFilter::SafeDownCast (  vtkObject *    o )  [static]

Will cast the supplied object to vtkObject* is this is a safe operation (i.e., a safe downcast); otherwise NULL is returned. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkStructuredGridToPolyDataFilter.

void vtkStructuredGridGeometryFilter::PrintSelf (  ostream &    os, vtkIndent    indent )  [virtual]

Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes. Reimplemented from vtkSource.

virtual int* vtkStructuredGridGeometryFilter::GetExtent (    )  [virtual]

Get the extent in topological coordinate range (imin,imax, jmin,jmax, kmin,kmax).

virtual void vtkStructuredGridGeometryFilter::GetExtent (  int    data[6] )  [virtual]

Get the extent in topological coordinate range (imin,imax, jmin,jmax, kmin,kmax).

void vtkStructuredGridGeometryFilter::SetExtent (  int    iMin, int    iMax, int    jMin, int    jMax, int    kMin, int    kMax )

Specify (imin,imax, jmin,jmax, kmin,kmax) indices.

void vtkStructuredGridGeometryFilter::SetExtent (  int    extent[6] )

Specify (imin,imax, jmin,jmax, kmin,kmax) indices in array form.

void vtkStructuredGridGeometryFilter::Execute (    )  [protected, virtual]

This method is the old style execute method Reimplemented from vtkSource.

void vtkStructuredGridGeometryFilter::ComputeInputUpdateExtents (  vtkDataObject *    output )  [protected, virtual]

What is the input update extent that is required to produce the desired output? By default, the whole input is always required but this is overridden in many subclasses. Reimplemented from vtkPolyDataSource.

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Member Data Documentation

int vtkStructuredGridGeometryFilter::Extent[6] [protected]

Definition at line 107 of file vtkStructuredGridGeometryFilter.h.

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The documentation for this class was generated from the following file:

• Graphics/vtkStructuredGridGeometryFilter.h

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