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/*=========================================================================
Program: ParaView
Module: $RCSfile$
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 vtkPythonExtractSelection
*
* vtkPythonExtractSelection is a used to extra cells/points using numpy. This
* enables creation of arbitrary queries to be used as the selection criteria.
*/
#ifndef vtkPythonExtractSelection_h
#define vtkPythonExtractSelection_h
#include "vtkExtractSelectionBase.h"
#include "vtkPVClientServerCoreCoreModule.h" //needed for exports
class vtkCompositeDataSet;
class VTKPVCLIENTSERVERCORECORE_EXPORT vtkPythonExtractSelection : public vtkExtractSelectionBase
{
public:
static vtkPythonExtractSelection* New();
vtkTypeMacro(vtkPythonExtractSelection, vtkExtractSelectionBase);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
//@{
/**
* Method called by Python code to handle the extraction logic.
* \c attributeType is vtkDataObject::AttributeTypes and not to be confused with
* vtkSelectionNode::SelectionField
*/
bool ExtractElements(int attributeType, vtkDataObject* input, vtkDataObject* output);
bool ExtractElements(int attributeType, vtkCompositeDataSet* input, vtkCompositeDataSet* output);
//@}
protected:
vtkPythonExtractSelection();
~vtkPythonExtractSelection();
virtual int FillInputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
virtual int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) VTK_OVERRIDE;
virtual int RequestData(
vtkInformation*, vtkInformationVector**, vtkInformationVector*) VTK_OVERRIDE;
/**
* Method used to initialize the output data object in request data.
* The output data is initialized based on the state of
* this->PreserveTopology.
*/
void InitializeOutput(vtkDataObject* output, vtkDataObject* input);
private:
vtkPythonExtractSelection(const vtkPythonExtractSelection&) VTK_DELETE_FUNCTION;
void operator=(const vtkPythonExtractSelection&) VTK_DELETE_FUNCTION;
};
#endif
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