#include <vtkExtractGrid.h>
Inheritance diagram for vtkExtractGrid:
Public Methods | |
virtual const char * | GetClassName () |
virtual int | IsA (const char *type) |
void | PrintSelf (ostream &os, vtkIndent indent) |
virtual void | SetVOI (int, int, int, int, int, int) |
virtual void | SetVOI (int[6]) |
virtual int * | GetVOI () |
virtual void | GetVOI (int data[6]) |
virtual void | SetSampleRate (int, int, int) |
virtual void | SetSampleRate (int[3]) |
virtual int * | GetSampleRate () |
virtual void | GetSampleRate (int data[3]) |
virtual void | SetIncludeBoundary (int) |
virtual int | GetIncludeBoundary () |
virtual void | IncludeBoundaryOn () |
virtual void | IncludeBoundaryOff () |
Static Public Methods | |
vtkExtractGrid * | New () |
int | IsTypeOf (const char *type) |
vtkExtractGrid * | SafeDownCast (vtkObject *o) |
Protected Methods | |
vtkExtractGrid () | |
~vtkExtractGrid () | |
vtkExtractGrid (const vtkExtractGrid &) | |
void | operator= (const vtkExtractGrid &) |
void | Execute () |
void | ExecuteInformation () |
Protected Attributes | |
int | VOI [6] |
int | SampleRate [3] |
int | IncludeBoundary |
vtkExtractGrid is a filter that selects a portion of an input structured grid dataset, or subsamples an input dataset. (The selected portion of interested is referred to as the Volume Of Interest, or VOI.) The output of this filter is a structured grid dataset. The filter treats input data of any topological dimension (i.e., point, line, image, or volume) and can generate output data of any topological dimension.
To use this filter set the VOI ivar which are i-j-k min/max indices that specify a rectangular region in the data. (Note that these are 0-offset.) You can also specify a sampling rate to subsample the data.
Typical applications of this filter are to extract a plane from a grid for contouring, subsampling large grids to reduce data size, or extracting regions of a grid with interesting data.
|
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 vtkStructuredGridToStructuredGridFilter. |
|
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 vtkStructuredGridToStructuredGridFilter. |
|
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 vtkStructuredGridToStructuredGridFilter. |
|
Instantiate object with no start, end, or progress methods. Reimplemented from vtkStructuredGridSource. |
|
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. |
|
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 vtkStructuredGridToStructuredGridFilter. |
|
Control whether to enforce that the "boundary" of the grid is output in the subsampling process. (This ivar only has effect when the SampleRate in any direction is not equal to 1.) When this ivar IncludeBoundary is on, the subsampling will always include the boundary of the grid even though the sample rate is not an even multiple of the grid dimensions. (By default IncludeBoundary is off.) |
|
Set the sampling rate in the i, j, and k directions. If the rate is > 1, then the resulting VOI will be subsampled representation of the input. For example, if the SampleRate=(2,2,2), every other point will be selected, resulting in a volume 1/8th the original size. |
|
Specify i-j-k (min,max) pairs to extract. The resulting structured grid dataset can be of any topological dimension (i.e., point, line, plane, or 3D grid). |