distance3d_pt_pt()

double distance3d_pt_pt ( const POINT3D *  p1, const POINT3D *  p2  )

extern

Definition at line 1066 of file measures3d.c.

{
        double dx = p2->x - p1->x;
        double dy = p2->y - p1->y;
        double dz = p2->z - p1->z;
        return sqrt(dx * dx + dy * dy + dz * dz);
}

References POINT3D::x, POINT3D::y, and POINT3D::z.

Referenced by calc_weighted_distances_3d(), lwgeom_cpa_within(), lwgeom_tcpa(), lwline_interpolate_point_3d(), and test_weighted_distance().

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