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124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkAssignAttribute.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 vtkAssignAttribute
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* @brief Labels/marks a field as an attribute
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*
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* vtkAssignAttribute is used to label/mark a field (vtkDataArray) as an attribute.
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* A field name or an attribute to labeled can be specified. For example:
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* @verbatim
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* aa->Assign("foo", vtkDataSetAttributes::SCALARS,
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* vtkAssignAttribute::POINT_DATA);
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* @endverbatim
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* tells vtkAssignAttribute to make the array in the point data called
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* "foo" the active scalars. On the other hand,
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* @verbatim
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* aa->Assign(vtkDataSetAttributes::VECTORS, vtkDataSetAttributes::SCALARS,
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* vtkAssignAttribute::POINT_DATA);
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* @endverbatim
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* tells vtkAssignAttribute to make the active vectors also the active
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* scalars.
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*
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* @warning
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* When using Java, Python or Visual Basic bindings, the array name
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* can not be one of the AttributeTypes when calling Assign() which takes
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* strings as arguments. The wrapped command will
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* always assume the string corresponds to an attribute type when
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* the argument is one of the AttributeTypes. In this situation,
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* use the Assign() which takes enums.
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*
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* @sa
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* vtkFieldData vtkDataSet vtkDataObjectToDataSetFilter
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* vtkDataSetAttributes vtkDataArray vtkRearrangeFields
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* vtkSplitField vtkMergeFields
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*/
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#ifndef vtkAssignAttribute_h
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#define vtkAssignAttribute_h
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#include "vtkFiltersCoreModule.h" // For export macro
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#include "vtkPassInputTypeAlgorithm.h"
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#include "vtkDataSetAttributes.h" // Needed for NUM_ATTRIBUTES
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class vtkFieldData;
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class VTKFILTERSCORE_EXPORT vtkAssignAttribute : public vtkPassInputTypeAlgorithm
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{
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public:
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vtkTypeMacro(vtkAssignAttribute, vtkPassInputTypeAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Create a new vtkAssignAttribute.
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*/
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static vtkAssignAttribute* New();
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/**
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* Label an attribute as another attribute.
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*/
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void Assign(int inputAttributeType, int attributeType, int attributeLoc);
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/**
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* Label an array as an attribute.
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*/
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void Assign(const char* fieldName, int attributeType, int attributeLoc);
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/**
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* Helper method used by other language bindings. Allows the caller to
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* specify arguments as strings instead of enums.
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*/
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void Assign(const char* name, const char* attributeType, const char* attributeLoc);
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// Always keep NUM_ATTRIBUTE_LOCS as the last entry
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enum AttributeLocation
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{
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POINT_DATA = 0,
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CELL_DATA = 1,
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VERTEX_DATA = 2,
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EDGE_DATA = 3,
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NUM_ATTRIBUTE_LOCS
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};
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protected:
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enum FieldType
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{
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NAME,
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ATTRIBUTE
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};
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vtkAssignAttribute();
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~vtkAssignAttribute() override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FillInputPortInformation(int, vtkInformation*) override;
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char* FieldName;
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int FieldTypeAssignment;
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int AttributeType;
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int InputAttributeType;
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int AttributeLocationAssignment;
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static char AttributeLocationNames[vtkAssignAttribute::NUM_ATTRIBUTE_LOCS][12];
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static char AttributeNames[vtkDataSetAttributes::NUM_ATTRIBUTES][20];
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private:
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vtkAssignAttribute(const vtkAssignAttribute&) = delete;
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void operator=(const vtkAssignAttribute&) = delete;
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};
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#endif
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