machn api godak weda karanne zw cad eken....eth auto cad ekenuth karanawa licences awula nisa karanne naa.....awankawama mang geolocation tool ekennam weda karala naa....mang coordinate system, projection system hema detama use karanne ArcGIS....zw cad walai autocad parana version wala oka na mang hithanne....landawata everest 1830 eka thama hariyana datum eka globally baluwama , eth api ue karanne nam SLD99(Sri Lanka Datum 1999)..eka accurate godak.... eke coordinates 5laks ewa, neththam kandawala ...eka 2laks....poddak ewa umbage map ekath ekka match wenawada balapan......