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125 lines
3.9 KiB
125 lines
3.9 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkAssignAttribute.h,v $
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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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// .NAME vtkAssignAttribute - Labels a field as an attribute
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// .SECTION Description
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// vtkAssignAttribute is use to label 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. The same can be done more easily from Tcl by using the Assign()
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// method which takes strings:
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// @verbatim
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// aa Assign "foo" SCALARS POINT_DATA
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// or
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// aa Assign SCALARS VECTORS POINT_DATA
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//
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// AttributeTypes: SCALARS, VECTORS, NORMALS, TCOORDS, TENSORS
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// Attribute locations: POINT_DATA, CELL_DATA
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// @endverbatim
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// .SECTION Caveats
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// When using Tcl, 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 Tcl (Java etc.) 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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// .SECTION See Also
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// vtkFieldData vtkDataSet vtkDataObjectToDataSetFilter
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// vtkDataSetAttributes vtkDataArray vtkRearrangeFields
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// vtkSplitField vtkMergeFields
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#ifndef __vtkAssignAttribute_h
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#define __vtkAssignAttribute_h
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#include "vtkDataSetAlgorithm.h"
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#include "vtkDataSetAttributes.h" // Needed for NUM_ATTRIBUTES
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class vtkFieldData;
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class VTK_GRAPHICS_EXPORT vtkAssignAttribute : public vtkDataSetAlgorithm
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{
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public:
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vtkTypeRevisionMacro(vtkAssignAttribute,vtkDataSetAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Create a new vtkAssignAttribute.
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static vtkAssignAttribute *New();
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// Description:
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// Label an attribute as another attribute.
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void Assign(int inputAttributeType, int attributeType, int attributeLoc);
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// Description:
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// Label an array as an attribute.
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void Assign(const char* fieldName, int attributeType, int attributeLoc);
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// Description:
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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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void Assign(const char* name, const char* attributeType,
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const char* attributeLoc);
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//BTX
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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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};
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//ETX
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protected:
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//BTX
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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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//ETX
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vtkAssignAttribute();
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virtual ~vtkAssignAttribute();
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int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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char* FieldName;
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int FieldType;
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int AttributeType;
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int InputAttributeType;
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int AttributeLocation;
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static char AttributeLocationNames[2][12];
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static char AttributeNames[vtkDataSetAttributes::NUM_ATTRIBUTES][10];
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private:
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vtkAssignAttribute(const vtkAssignAttribute&); // Not implemented.
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void operator=(const vtkAssignAttribute&); // Not implemented.
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};
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#endif
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