calc_weighted_distances_3d()

static double calc_weighted_distances_3d ( const POINT3D *  curr, const POINT4D *  points, uint32_t  npoints, double *  distances  )

static

Definition at line 33 of file lwgeom_median.c.

{
        uint32_t i;
        double weight = 0.0;
        for (i = 0; i < npoints; i++)
        {
                double dist = distance3d_pt_pt(curr, (POINT3D*)&points[i]);
                distances[i] =  dist / points[i].m;
                weight += dist * points[i].m;
        }
 
        return weight;
}

References distance3d_pt_pt(), and POINT4D::m.

Referenced by iterate_4d().

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