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115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGeoAdaptiveArcs.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 vtkGeoArcs
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* @brief layout graph edges on a globe as arcs.
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*
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*
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*
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*/
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#ifndef vtkGeoAdaptiveArcs_h
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#define vtkGeoAdaptiveArcs_h
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#include "vtkGeovisCoreModule.h" // For export macro
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#include "vtkPolyDataAlgorithm.h"
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class vtkDoubleArray;
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class vtkPolyData;
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class vtkRenderer;
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class VTKGEOVISCORE_EXPORT vtkGeoAdaptiveArcs : public vtkPolyDataAlgorithm
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{
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public:
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static vtkGeoAdaptiveArcs *New();
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vtkTypeMacro(vtkGeoAdaptiveArcs,vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* The base radius used to determine the earth's surface.
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* Default is the earth's radius in meters.
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* TODO: Change this to take in a vtkGeoTerrain to get altitude.
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*/
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vtkSetMacro(GlobeRadius, double);
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vtkGetMacro(GlobeRadius, double);
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//@}
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//@{
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/**
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* The maximum number of pixels between points on the arcs.
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* If two adjacent points are farther than the threshold,
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* the line segment will be subdivided such that each point
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* is separated by at most the threshold.
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*/
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vtkSetMacro(MaximumPixelSeparation, double);
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vtkGetMacro(MaximumPixelSeparation, double);
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//@}
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//@{
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/**
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* The minimum number of pixels between points on the arcs.
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* Points closer than the threshold will be skipped until
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* a point farther than the minimum threshold is reached.
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*/
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vtkSetMacro(MinimumPixelSeparation, double);
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vtkGetMacro(MinimumPixelSeparation, double);
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//@}
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//@{
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/**
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* The renderer used to estimate the number of pixels between
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* points.
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*/
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virtual void SetRenderer(vtkRenderer *ren);
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vtkGetObjectMacro(Renderer, vtkRenderer);
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//@}
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/**
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* Return the modified time of this object.
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*/
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vtkMTimeType GetMTime();
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protected:
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vtkGeoAdaptiveArcs();
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~vtkGeoAdaptiveArcs();
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/**
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* Convert the vtkGraph into vtkPolyData.
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*/
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int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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vtkRenderer *Renderer;
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double GlobeRadius;
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double MaximumPixelSeparation;
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double MinimumPixelSeparation;
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vtkMTimeType LastInputMTime;
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vtkPolyData* LastInput;
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vtkDoubleArray* InputLatitude;
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vtkDoubleArray* InputLongitude;
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private:
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vtkGeoAdaptiveArcs(const vtkGeoAdaptiveArcs&) VTK_DELETE_FUNCTION;
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void operator=(const vtkGeoAdaptiveArcs&) VTK_DELETE_FUNCTION;
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};
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#endif
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