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Diffstat (limited to 'docs/source/development/reference/functions.rst')
| -rw-r--r-- | docs/source/development/reference/functions.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/source/development/reference/functions.rst b/docs/source/development/reference/functions.rst index 52f801e5..e6a54cba 100644 --- a/docs/source/development/reference/functions.rst +++ b/docs/source/development/reference/functions.rst @@ -386,16 +386,19 @@ Distances .. c:function:: double proj_lp_dist(const PJ *P, PJ_COORD a, PJ_COORD b) - Calculate geodesic distance between two points in geodetic coordinates. + Calculate geodesic distance between two points in geodetic coordinates. The + calculated distance is between the two points located on the ellipsoid. :param PJ* P: Transformation object :param PJ_COORD a: Coordinate of first point :param PJ_COORD b: Coordinate of second point :returns: :c:type:`double` Distance between :c:data:`a` and :c:data:`b` in meters. -.. c:function:: double proj_lp_dist(const PJ *P, PJ_COORD a, PJ_COORD b) +.. c:function:: double proj_lpz_dist(const PJ *P, PJ_COORD a, PJ_COORD b) Calculate geodesic distance between two points in geodetic coordinates. + Similar to :c:func:`proj_lp_dist` but also takes the height above the ellipsoid + into account. :param PJ* P: Transformation object :param PJ_COORD a: Coordinate of first point |