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/*=========================================================================
Program: Visualization Toolkit
Module: vtkConduitSource.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.
=========================================================================*/
/**
* @class vtkConduitSource
* @brief data source for Conduit Mesh Blueprint.
* @ingroup Insitu
*
* vtkConduitSource is a data source that processes a Conduit node
* using [Conduit Mesh
* Blueprint](https://llnl-conduit.readthedocs.io/en/latest/blueprint_mesh.html#)
* to describe computational mesh and associated meta-data.
*
* vtkConduitSource currently produces a `vtkParitionedDataSet` or
* `vtkPartitionedDataSetCollection`
*
* @sa vtkConduitArrayUtilities
*/
#ifndef vtkConduitSource_h
#define vtkConduitSource_h
#include "vtkDataObjectAlgorithm.h"
#include "vtkIOCatalystConduitModule.h" // for exports
#include "conduit.h" // for conduit_node
#include <memory> // for std::unique_ptr
VTK_ABI_NAMESPACE_BEGIN
class VTKIOCATALYSTCONDUIT_EXPORT vtkConduitSource : public vtkDataObjectAlgorithm
{
public:
static vtkConduitSource* New();
vtkTypeMacro(vtkConduitSource, vtkDataObjectAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* vtkConduitSource supports single 'mesh' and multiple 'mesh' (aka 'multimesh') protocols.
* Set this to true if the source is handling multimesh (default is false).
*/
vtkSetMacro(UseMultiMeshProtocol, bool);
vtkGetMacro(UseMultiMeshProtocol, bool);
vtkBooleanMacro(UseMultiMeshProtocol, bool);
///@}
///@{
/**
* vtkConduitSource supports output vtkMultiBlock instead of vtkPartitionedDataSetCollection
* Set this to true if the source should output vtkMultiBlock (default is false).
*/
vtkSetMacro(OutputMultiBlock, bool);
vtkGetMacro(OutputMultiBlock, bool);
vtkBooleanMacro(OutputMultiBlock, bool);
///@}
///@{
/**
* Get/Set the conduit_node. This must be the node satisfying the Conduit Mesh
* Blueprint.
*/
void SetNode(const conduit_node* node);
///@}
///@{
/**
* Mechanism to add global / field-data arrays.
*
* This is currently experimental and expected to change. It is experimental
* since it's unclear to the developer if Conduit Blueprint already supports
* specifying global fields i.e. without any association. Doesn't look like
* it, but if it does, this should be changed to directly leverage that.
*/
void SetGlobalFieldsNode(const conduit_node* node);
///@}
///@{
/**
* Set the node to read the assembly information from, if any.
*/
void SetAssemblyNode(const conduit_node* node);
///@}
protected:
vtkConduitSource();
~vtkConduitSource() override;
int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
private:
vtkConduitSource(const vtkConduitSource&) = delete;
void operator=(const vtkConduitSource&) = delete;
class vtkInternals;
std::unique_ptr<vtkInternals> Internals;
bool UseMultiMeshProtocol;
bool OutputMultiBlock;
};
VTK_ABI_NAMESPACE_END
#endif
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