Ocuopen's Gems

#	Total Rank	Daily Rank	Name	Summary
1	123,235	146,171	open_jp_reverse_geocoder	answer the address from latitude and longitude.
2	146,136	146,171	open_enigma	encrypt a given sentence
3	151,405	146,171	open_jp_geocoder	answer the latitude and longitude from address.
4	174,195	146,171	open_polygon	this gem can calculate the area of any polygon
5	175,149	146,171	open_jp_get_elevation	this is a gem which get elevation for japan