{
  "name": "project",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Returns a point projected from a start point using a distance, a bearing (azimuth) and an elevation in radians.",
  "arguments": [
    {"arg":"point","description":"start point"},
    {"arg":"distance","description":"distance to project"},
    {"arg":"azimuth","description":"azimuth in radians clockwise, where 0 corresponds to north"},
    {"arg":"elevation","description":"angle of inclination in radians", "optional":true}
  ],
  "examples": [
	{ "expression":"geom_to_wkt(project(make_point(1, 2), 3, radians(270)))", "returns":"'Point(-2, 2)'"}
  ]
}