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misc.h

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#if !defined _MISC_H
#define _MISC_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <math.h> 
#include <vector>

// calculate index of one dimensional array stored in general grid, for given three dimensional index
#define DATA_INDEX_3D_TO_1D(x,y,z) ((z)*generalGrid.sizeXY + (y)*generalGrid.sizeX + (x))


// calculate pos in array
#define DATA_INDEX_2D_TO_1D(x,y) ((y)*generalGrid.sizeX + (x))


// calculate index of one dimensional array stored in general grid, for given three dimensional index
#define ADDITIONALDATA_INDEX_3D_TO_1D(x,y,z,k) (DATA_INDEX_3D_TO_1D(x,y,z) * numOfSets + k)

// calculate index of the one dimensional array stored in orthoGrid, for given three dimensional index
#define RESAMPLE_DATA_INDEX_3D_TO_1D(x,y,z) ((z)*orthoGrid.sizeXY + (y)*orthoGrid.sizeX + (x))

// calculate index of the one dimensional array stored in orthoGrid, for given three dimensional index
#define RESAMPLE_ADDITIONALDATA_INDEX_3D_TO_1D(x,y,z,k) (RESAMPLE_DATA_INDEX_3D_TO_1D(x,y,z) * numOfSets + k)


// simple structure to store three floats
struct Vec3f{
        float x;
        float y;
        float z;
};

struct Vec2f{
        float x;
        float y;
};
// to load datafiles and gridfiles
struct GeneralGrid 
{
        // data loaded - flag
        bool loaded;
        // array dimensions
        int sizeX;
        int sizeY;
        int sizeZ;
        int sizeXY;
        int sizeXYZ;
        
        

        // internal onedimensional representation of position and vector data
        Vec3f *pos;
        Vec3f *vec;
        // internal onedimensional representation of additional data
        float *additionalData;

        // normalized speed vector
        Vec2f *vecNorm;

        float *vecLength;

                
};


// for orthogonalized datagrids
struct OrthoGrid
{
        // data loaded - flag
        bool loaded;

        // array dimensions
        int sizeX;
        int sizeY;
        int sizeZ;
        int sizeXY;
        int sizeXYZ;

        // space between two samples
        float stepLength;

        // internal onedimensional representation of vector data
        Vec3f *vec;
        float *additionalData;
};



struct Rect
{
        Vec2f lowerLeft;
        Vec2f upperRight;
        bool initialized;
};


struct colorRGBA
{
        float r;
        float g;
        float b;
        float a;
};



#endif // !defined _MISC_H

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