THE APPLICATION OF MULTISOURCE DATA TO RENEWING THE LAND-USE MAP OF XI'AN CITY

The new round renewing of land-use maps is being gradually carried out.The original land-use data have problems of format disunity and hard sharing.The development of modern techniques makes it possible to apply multi-source data to renewing land-use data quickly,accurately and efficiently.This paper introduces a method for renewing the land-use map by using high resolution remote-sensing data,land-use data,inquisitional data and GPS data.