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<P>我想一个污染物扩散的演示系统，可以根据污染物扩散模型得出，某点的污染物浓度值，如何将这些点连成多边形，并赋予颜色？</P>
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kmxl：<P>dim ploy as mapobject2.polygon</P><P>dim pt as mapobject2.point</P><P>dim pts as mapobject2.points</P>...(2004-11-08 17:44)
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edward22：<P>谢谢总统阁下！</P>(2004-09-24 12:09)
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gis：<a href="http://gisempire.com/bbs/dispbbs.asp?BoardID=39;ID=28606" target="_blank" >http://gisempire.com/bbs/dispb...(2004-09-23 14:24)
