You must add fields in the order form

You must add fields in the order form, namely the latitude and longitude coordinate delivery.
On the order page we have a map where you enter the address and this address is displayed on the map point, we need to get latitude and longitude from that module and send it in xml when ordering. Asked in the support module, is it possible to get coordinates, here is what they replied:
The staff does not. But is possible if modify the script as you specify the address of the module queries the Geocoder with Yandex, including gets the coordinates to reposition balloon on the map and locate it. See method KladrJsObj.mapUpdate() – prntscr.com/rzodcy