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105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTreeFieldAggregator.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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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkTreeFieldAggregator
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* @brief aggregate field values from the leaves up the tree
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*
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*
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* vtkTreeFieldAggregator may be used to assign sizes to all the vertices in the
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* tree, based on the sizes of the leaves. The size of a vertex will equal
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* the sum of the sizes of the child vertices. If you have a data array with
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* values for all leaves, you may specify that array, and the values will
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* be filled in for interior tree vertices. If you do not yet have an array,
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* you may tell the filter to create a new array, assuming that the size
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* of each leaf vertex is 1. You may optionally set a flag to first take the
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* log of all leaf values before aggregating.
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*/
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#ifndef vtkTreeFieldAggregator_h
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#define vtkTreeFieldAggregator_h
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class vtkPoints;
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class vtkTree;
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#include "vtkInfovisCoreModule.h" // For export macro
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#include "vtkTreeAlgorithm.h"
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class VTKINFOVISCORE_EXPORT vtkTreeFieldAggregator : public vtkTreeAlgorithm
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{
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public:
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static vtkTreeFieldAggregator* New();
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vtkTypeMacro(vtkTreeFieldAggregator, vtkTreeAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* The field to aggregate. If this is a string array, the entries are converted to double.
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* TODO: Remove this field and use the ArrayToProcess in vtkAlgorithm.
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*/
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vtkGetStringMacro(Field);
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vtkSetStringMacro(Field);
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//@}
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//@{
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/**
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* If the value of the vertex is less than MinValue then consider it's value to be minVal.
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*/
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vtkGetMacro(MinValue, double);
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vtkSetMacro(MinValue, double);
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//@}
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//@{
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/**
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* If set, the algorithm will assume a size of 1 for each leaf vertex.
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*/
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vtkSetMacro(LeafVertexUnitSize, bool);
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vtkGetMacro(LeafVertexUnitSize, bool);
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vtkBooleanMacro(LeafVertexUnitSize, bool);
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//@}
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//@{
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/**
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* If set, the leaf values in the tree will be logarithmically scaled (base 10).
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*/
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vtkSetMacro(LogScale, bool);
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vtkGetMacro(LogScale, bool);
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vtkBooleanMacro(LogScale, bool);
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//@}
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protected:
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vtkTreeFieldAggregator();
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~vtkTreeFieldAggregator() override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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char* Field;
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bool LeafVertexUnitSize;
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bool LogScale;
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double MinValue;
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vtkTreeFieldAggregator(const vtkTreeFieldAggregator&) = delete;
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void operator=(const vtkTreeFieldAggregator&) = delete;
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double GetDoubleValue(vtkAbstractArray* arr, vtkIdType id);
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static void SetDoubleValue(vtkAbstractArray* arr, vtkIdType id, double value);
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};
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#endif
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