geoToH3

Functions
EXTENSION_NOINLINE H3Index H3_EXPORT()	geoToH3 (const double lon, const double lat, int res)
	find the H3 index of the resolution res cell containing the lat/lng More...

Detailed Description

Functions for geoToH3

Function Documentation

EXTENSION_NOINLINE H3Index H3_EXPORT() geoToH3	(	const double	lon,
		const double	lat,
		int	res
	)

find the H3 index of the resolution res cell containing the lat/lng

Definition at line 730 of file h3Index.hpp.

References _faceIjkToH3(), _geoToFaceIjk(), degsToRads(), FaceIJK, GeoCoord, H3_NULL, MAX_H3_RES, and run_benchmark_import::res.

                                                       {
  if (res < 0 || res > MAX_H3_RES) {
    return H3_NULL;
  }
  if (!std::isfinite(lat) || !std::isfinite(lon)) {
    return H3_NULL;
  }

  FaceIJK(fijk);
  GeoCoord(g) = {degsToRads(lat), degsToRads(lon)};
  _geoToFaceIjk(g, res, fijk);
  return _faceIjkToH3(fijk, res);
}

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