getOctant()

static uint8 getOctant ( BOX3D *  centroid, BOX3D *  inBox  )

static

Definition at line 159 of file gserialized_spgist_3d.c.

{
        uint8 octant = 0;
 
        if (inBox->xmin > centroid->xmin)
                octant |= 0x20;
 
        if (inBox->xmax > centroid->xmax)
                octant |= 0x10;
 
        if (inBox->ymin > centroid->ymin)
                octant |= 0x08;
 
        if (inBox->ymax > centroid->ymax)
                octant |= 0x04;
 
        if (inBox->zmin > centroid->zmin)
                octant |= 0x02;
 
        if (inBox->zmax > centroid->zmax)
                octant |= 0x01;
 
        return octant;
}

References centroid(), BOX3D::xmax, BOX3D::xmin, BOX3D::ymax, BOX3D::ymin, BOX3D::zmax, and BOX3D::zmin.

Referenced by gserialized_spgist_choose_3d(), and gserialized_spgist_picksplit_3d().

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