C:/Projekte/C++/FlowVIS_107/src/FlowGeometry.h

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#ifndef FLOWGEOMETRY_H
#define FLOWGEOMETRY_H

#include "common.h"


class FlowGeometry
{
  friend class FlowData;

        private:

    bool isFlipped;

                int dim[2];

                vec3 boundaryMin;
                vec3 boundaryMax;
                vec3 boundarySize;

                vec3* geometryData;

                vec3* normGeometryData;

/* gv Obsolete?
                int getVtx(int x, int y);
                int getVtxX(int vtxID);
                int getVtxY(int vtxID);

                int getXYvtx(vec3 pos);
*/

  public:

    bool getIsFlipped();

    vec3 getPos( int vtxID );

    float getPosX( int vtxID );

    float getPosY( int vtxID );

    vec3 getNormPos( int vtxID );


  private:

    //bool isFlipped;

    int getNearestVtx(vec3 pos);

    int binarySearch( float searchValue, int begin, int end, int dimension );
    int binarySearch2( float searchValue, int begin, int end, int dimension ); // TEST

    //vec3 interpolate( vec3 pos, int* cell, FlowData* data );
    bool interpolate( vec3 pos, int* cell, FlowData* data, vec3 *interpolatedValue );

    // gv TEST: print coords of grid-points to log-file
    void printGridPoints();

    float getCurrentSearchValue( int index, int dimension );


  public:

                FlowGeometry();

                ~FlowGeometry();

                bool getInterpolationAt_old(vec3 pos, int* vtxID, float* coef);

    bool getInterpolationAt( vec3 pos, vec3 *velocityValue, FlowData* data );

                bool readFromFile(char* header, FILE* fp, bool bigEndian);


                //remember that our grids are curvilinear and only 2D

                int getDimX();

                int getDimY();

                int getDimZ();

                float getMinX();

                float getMaxX();

                float getMinY();

                float getMaxY();

/*  gv Obsolete?
                int getRightNeigh(int vtxID);
                int getTopNeigh(int vtxID);
                int getLeftNeigh(int vtxID);
                int getBottomNeigh(int vtxID);
*/

                vec3 normalizeCoords(vec3 pos);

                vec3 unNormalizeCoords(vec3 pos);
};

#endif

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