vtkGeoGraticule.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGeoGraticule.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkGeoGraticule_h
#define vtkGeoGraticule_h
 
#include "vtkGeovisCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class vtkPolyData;
 
class VTKGEOVISCORE_EXPORT vtkGeoGraticule : public vtkPolyDataAlgorithm
{
public:
  static vtkGeoGraticule* New();
  virtual void PrintSelf( ostream& os, vtkIndent indent );
  vtkTypeMacro(vtkGeoGraticule,vtkPolyDataAlgorithm);
 
 
  vtkSetVector2Macro(LatitudeBounds,double);
  vtkGetVector2Macro(LatitudeBounds,double);
 
 
  vtkSetVector2Macro(LongitudeBounds,double);
  vtkGetVector2Macro(LongitudeBounds,double);
 
  //BTX
  enum LevelLimits {
    LEVEL_MIN = 0,
    LEVEL_MAX = 11,
    NUMBER_OF_LEVELS = ( LEVEL_MAX - LEVEL_MIN + 1 )
  };
  //ETX
 
 
  vtkSetClampMacro(LatitudeLevel,int,LEVEL_MIN,LEVEL_MAX);
  vtkGetMacro(LatitudeLevel,int);
 
 
  vtkSetClampMacro(LongitudeLevel,int,LEVEL_MIN,LEVEL_MAX);
  vtkGetMacro(LongitudeLevel,int);
 
 
  static double GetLatitudeDelta(int level)
    { return LatitudeLevelTics[level]; }
 
 
  static double GetLongitudeDelta(int level)
    { return LongitudeLevelTics[level]; }
 
 
  vtkSetMacro(GeometryType,int);
  vtkGetMacro(GeometryType,int);
 
  //BTX
  enum GeometryType {
    POLYLINES      = 0x1,
    QUADRILATERALS = 0x2
  };
  //ETX
 
protected:
  vtkGeoGraticule();
  virtual ~vtkGeoGraticule();
 
  int GeometryType;
  double LatitudeBounds[2];
  double LongitudeBounds[2];
  int LatitudeLevel;
  int LongitudeLevel;
 
 
  static double LatitudeLevelTics[NUMBER_OF_LEVELS];
  static double LongitudeLevelTics[NUMBER_OF_LEVELS];
 
  virtual int RequestData( vtkInformation*, vtkInformationVector**, vtkInformationVector* );
 
  void GenerateGraticule( vtkPolyData* output, double latbds[2], double lngbds[2] );
  int ComputeLineLevel( int ticId, int baseLevel, const double* levelIncrements );
 
private:
  vtkGeoGraticule( const vtkGeoGraticule& ); // Not implemented.
  void operator = ( const vtkGeoGraticule& ); // Not implemented.
};
 
#endif // vtkGeoGraticule_h