CuboidIntegerGrid3D.cpp

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#include "CuboidIntegerGrid3D.h"

CuboidIntegerGrid3D::CuboidIntegerGrid3D( size_t nx, size_t ny, size_t nz ) :
    Point3DSet( nx*ny*nz ), origin(0,0,0)
{
    populate( 0, 0, 0, nx, ny, nz );
}

CuboidIntegerGrid3D::CuboidIntegerGrid3D( Point3D<int> const& size, Point3D<double> const& origin ) :
    Point3DSet( size.x() * size.y() * size.z() ), origin( origin )
{
    populate( (int)origin.x(), (int)origin.y(), (int)origin.z(), size.x(), size.y(), size.z() );
}

CuboidIntegerGrid3D::CuboidIntegerGrid3D( Volume3DSize const& size, Point3D<double> const& origin ) :
    Point3DSet( size.x() * size.y() * size.z() ), origin( origin )
{
    populate( (int)origin.x(), (int)origin.y(), (int)origin.z(), size.x(), size.y(), size.z() );
}

void CuboidIntegerGrid3D::populate( int ox, int oy, int oz, size_t nx, size_t ny, size_t nz ) {
    int x,y,z;
    size_t cx,cy,cz;
    Point3D<double> p;
    size_t i = 0;
    for( x=ox, cx=0; cx < nx; cx++, x++ )
        for( y=oy, cy=0; cy < ny; cy++, y++ )
            for( z=oz, cz=0; cz < nz; cz++, z++ ) {
                p = Point3D<double>(x,y,z);
                m_points[ i ] = p;
                lookup[ p ] = i++;
            }
}

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