| Begin in last century, open source GIS is developing rapidly. Many excellent open source GIS projects have been accepted gradually.this phenomenon propel the development of open source GIS.This paper introduce the advantage of open source software and analysis a number of software. Meanwhile, we researched how to use the open source resource .sometime, I took a piece of manashi river management GIS system project as a example, using MapWinGIS. I validate that open source GIS is not only rapid and safe but also meet most of users'needs through the result. However , regarding some middle and small scale users, they only have some simply demand of GIS. It is not necessary to use expensive commercial GIS software. With the grandness of open source institute and entrance of commercial business, Open source GIS will be the mainstream in the feature. |
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