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72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkValueSelector.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkValueSelector
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* @brief selects elements matching chosen values.
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*
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* vtkValueSelector is a vtkSelector that can select elements matching
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* values. This can handle a wide array of vtkSelectionNode::SelectionContent types.
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* These include vtkSelectionNode::GLOBALIDS, vtkSelectionNode::PEDIGREEIDS,
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* vtkSelectionNode::VALUES, vtkSelectionNode::INDICES, and
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* vtkSelectionNode::THRESHOLDS.
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*
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* A few things to note:
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*
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* * vtkSelectionNode::SelectionList must be 2-component array for
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* content-type = vtkSelectionNode::THRESHOLDS and 1-component array for all
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* other support content-types. For 1-component selection list, this will
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* match items where the field array (or index) value matches any value in the
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* selection list. For 2-component selection list, this will match those items
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* with values in inclusive-range specified by the two components.
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*
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* * For vtkSelectionNode::VALUES or vtkSelectionNode::THRESHOLDS, the field
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* array to select on is defined by the name given the SelectionList itself.
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* If the SelectionList has no name (or is an empty string), then the active
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* scalars from the dataset will be chosen.
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*/
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#ifndef vtkValueSelector_h
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#define vtkValueSelector_h
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#include "vtkSelector.h"
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#include <memory> // unique_ptr
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class VTKFILTERSEXTRACTION_EXPORT vtkValueSelector : public vtkSelector
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{
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public:
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static vtkValueSelector* New();
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vtkTypeMacro(vtkValueSelector, vtkSelector);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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void Initialize(vtkSelectionNode* node) override;
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void Finalize() override;
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protected:
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vtkValueSelector();
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~vtkValueSelector() override;
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bool ComputeSelectedElements(vtkDataObject* input, vtkSignedCharArray* insidednessArray) override;
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private:
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vtkValueSelector(const vtkValueSelector&) = delete;
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void operator=(const vtkValueSelector&) = delete;
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class vtkInternals;
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std::unique_ptr<vtkInternals> Internals;
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};
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#endif
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