Quantum GIS API Documentation
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00001 /*************************************************************************** 00002 qgstininterpolator.h 00003 -------------------- 00004 begin : March 10, 2008 00005 copyright : (C) 2008 by Marco Hugentobler 00006 email : marco dot hugentobler at karto dot baug dot ethz dot ch 00007 ***************************************************************************/ 00008 00009 /*************************************************************************** 00010 * * 00011 * This program is free software; you can redistribute it and/or modify * 00012 * it under the terms of the GNU General Public License as published by * 00013 * the Free Software Foundation; either version 2 of the License, or * 00014 * (at your option) any later version. * 00015 * * 00016 ***************************************************************************/ 00017 00018 #ifndef QGSTININTERPOLATOR_H 00019 #define QGSTININTERPOLATOR_H 00020 00021 #include "qgsinterpolator.h" 00022 #include <QString> 00023 00024 class Triangulation; 00025 class TriangleInterpolator; 00026 class QgsFeature; 00027 00029 class ANALYSIS_EXPORT QgsTINInterpolator: public QgsInterpolator 00030 { 00031 public: 00032 //describes the type of interpolation 00033 enum TIN_INTERPOLATION 00034 { 00035 Linear, 00036 CloughTocher 00037 }; 00038 QgsTINInterpolator( const QList<LayerData>& inputData, TIN_INTERPOLATION interpolation = Linear, bool showProgressDialog = false ); 00039 ~QgsTINInterpolator(); 00040 00046 int interpolatePoint( double x, double y, double& result ); 00047 00048 void setExportTriangulationToFile( bool e ) {mExportTriangulationToFile = e;} 00049 void setTriangulationFilePath( const QString& filepath ) {mTriangulationFilePath = filepath;} 00050 00051 private: 00052 Triangulation* mTriangulation; 00053 TriangleInterpolator* mTriangleInterpolator; 00054 bool mIsInitialized; 00055 bool mShowProgressDialog; 00057 bool mExportTriangulationToFile; 00059 QString mTriangulationFilePath; 00061 TIN_INTERPOLATION mInterpolation; 00062 00064 void initialize(); 00071 int insertData( QgsFeature* f, bool zCoord, int attr, InputType type ); 00072 }; 00073 00074 #endif