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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCompositeDataProbeFilter.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkCompositeDataProbeFilter - subclass of vtkProbeFilter which supports
// composite datasets in the input.
// .SECTION Description
// vtkCompositeDataProbeFilter supports probing into multi-group datasets.
// It sequentially probes through each concrete dataset within the composite
// probing at only those locations at which there were no hits when probing
// earlier datasets. For Hierarchical datasets, this traversal through leaf
// datasets is done in reverse order of levels i.e. highest level first.
//
// When dealing with composite datasets, partial arrays are common i.e.
// data-arrays that are not available in all of the blocks. By default, this
// filter only passes those point and cell data-arrays that are available in all
// the blocks i.e. partial array are removed.
// When PassPartialArrays is turned on, this behavior is changed to take a
// union of all arrays present thus partial arrays are passed as well. However,
// for composite dataset input, this filter still produces a non-composite
// output. For all those locations in a block of where a particular data array
// is missing, this filter uses vtkMath::Nan() for double and float arrays,
// while 0 for all other types of arrays i.e int, char etc.
#ifndef __vtkCompositeDataProbeFilter_h
#define __vtkCompositeDataProbeFilter_h
#include "vtkProbeFilter.h"
class vtkCompositeDataSet;
class VTK_GRAPHICS_EXPORT vtkCompositeDataProbeFilter : public vtkProbeFilter
{
public:
static vtkCompositeDataProbeFilter* New();
vtkTypeMacro(vtkCompositeDataProbeFilter, vtkProbeFilter);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// When dealing with composite datasets, partial arrays are common i.e.
// data-arrays that are not available in all of the blocks. By default, this
// filter only passes those point and cell data-arrays that are available in
// all the blocks i.e. partial array are removed. When PassPartialArrays is
// turned on, this behavior is changed to take a union of all arrays present
// thus partial arrays are passed as well. However, for composite dataset
// input, this filter still produces a non-composite output. For all those
// locations in a block of where a particular data array is missing, this
// filter uses vtkMath::Nan() for double and float arrays, while 0 for all
// other types of arrays i.e int, char etc.
vtkSetMacro(PassPartialArrays, bool);
vtkGetMacro(PassPartialArrays, bool);
vtkBooleanMacro(PassPartialArrays, bool);
//BTX
protected:
vtkCompositeDataProbeFilter();
~vtkCompositeDataProbeFilter();
// Description:
// Change input information to accept composite datasets as the input which
// is probed into.
virtual int FillInputPortInformation(int port, vtkInformation* info);
// Description:
// Builds the field list using the composite dataset source.
int BuildFieldList(vtkCompositeDataSet* source);
// Description:
// Initializes output and various arrays which keep track for probing status.
virtual void InitializeForProbing(vtkDataSet *input, vtkDataSet *output);
// Description:
// Handle composite input.
virtual int RequestData(vtkInformation *,
vtkInformationVector **, vtkInformationVector *);
// Description:
// Create a default executive.
virtual vtkExecutive* CreateDefaultExecutive();
bool PassPartialArrays;
private:
vtkCompositeDataProbeFilter(const vtkCompositeDataProbeFilter&); // Not implemented.
void operator=(const vtkCompositeDataProbeFilter&); // Not implemented.
//ETX
};
#endif
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