基于Supermap和Google earth的城中村改造面积估算——以广州市海珠区为例

城中村多存在于经济发达的城市，广州是珠三角地区的发达城市之一，在广州市区内，共存在138个城中村。城中村的存在为广州市内广大的外来工作人员提供了价格低廉的住房。可是，近10年来，城中村的问题日益凸显，促使广州市政府对城中村进行大规模的整治和改造。对广州城中村的面积进行估算，能够得到广州城中村的面积、区位等数据。本文对广州城中村的面积估算方法进行探讨，并使用Supermap Deskpro软件和Google earth软件对广州市海珠区的城中村面积进行估算，从而了解广州城中村的规模、分布区位及其分布特征，为城中村的改造和整治提供基础数据。

Acreage Estimation to Villages- in- city Rebuild of Supermap and Google Earth-- based on the Haizhu district,Guangzhou city

Villages - in - city mainly exist in economically developed cities, Guangzhou is one of the Pearl River Delta region developed cities ,in Guan past, the existence of villages-in-city took the gzhou, there are a total majority of foreign offers in the last decade, highlights the growing problem of villages-in-city, the ernment had to promote large-scale renovation of villages and transformation of 138 villages. In the affordable housing. But Guangzhou municipal gov- Underlying on the estimation of villages-in-city acreage in the city, we can get the data of acreage, location. In this pa- per, the estimation methods on the acreage of villages-in-city are to use Supermap Deskpro software and Google earth software, Haizhu District, Guangzhou, is a sample to estimate the acreage that helps to understand the scale of villages-in-city, the location and distribution characteristics .These resuits will help to the rebuild of villages-in-city