arcengine 专题图制作

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1、ArcEngine专题图制作（C#）上一篇/下一篇 2010-06-2408:28:50/个人分类：ArcEngine查看(413)/评论(0)/评分(0/0)点密度图、分层设色图/等级图、单值图、柱状图、饼状图的实现代码 C# privatevoid点密度图ToolStripMenuItem_Click(objectsender,EventArgse)       {           //获取当前图层，并把它设置成IGeoFeatureLayer的实例           IMappMap=axMapC

2、ontrol1.Map;           ILayerpLayer=pMap.get_Layer(0)asIFeatureLayer;           IFeatureLayerpFeatureLayer=pLayerasIFeatureLayer;           IGeoFeatureLayerpGeoFeatureLayer=pLayerasIGeoFeatureLayer;           //获取图层上的feature           IFeatureClasspFeatureC

3、lass=pFeatureLayer.FeatureClass;           IFeatureCursorpFeatureCursor=pFeatureClass.Search(null,false);           IFeaturepFeature=pFeatureCursor.NextFeature();           ///////////////////////                     ////////////////////////////////////////

4、///////////////////////////           //定义点密度图渲染组件           IDotDensityRendererDotDensityRenderer=newDotDensityRendererClass();           //定义点密度图渲染组件对象的渲染字段对象           IRendererFieldsflds=(IRendererFields)DotDensityRenderer;           flds.AddField("FID"

5、,"FID");           //flds.AddField("Shape","Shape");           //定义点密度图渲染得符号对象           IDotDensityFillSymbolddSym=newDotDensityFillSymbolClass();           IRgbColorBackColor=newRgbColorClass();           BackColor.Red=234;           BackColor.Blue=128;  

6、         BackColor.Green=220;           IRgbColorSymbolColor=newRgbColorClass();           SymbolColor.Red=234;           SymbolColor.Blue=128;           SymbolColor.Green=220;           ////点密度图渲染背景颜色           //ddSym.BackgroundColor=BackColor;           

7、ddSym.DotSize=8;           ddSym.FixedPlacement=true;           //ddSym.Color=SymbolColor;           ILineSymbolpLineSymbol=newCartographicLineSymbolClass();           ddSym.Outline=pLineSymbol;           //定义符号数组           ISymbolArraysymArray=(ISymbolArra

8、y)ddSym;           //添加点密度图渲染的点符号到符号数组中去           ISimpleMarkerSymbolpMarkerSymbol=newSimpleMarkerSymbolClass();           pMarkerSymbol.Style.=esriSimpleMarkerStyle.esriSMSCircle;           pMarkerSy