thanks for answer really helpful, also ı have the ınclude the wind speed and dırectıon wınd , how can ı combine them ?? I have the map of peat area, rıvers,roads, natıonal parks, slope,wınd speed, countyr parks ,wodlands... And ı do not know ıf ı have addıtıonal data ? after defıne the area how can ı show the turbınes on the map?