经纬度生成图层.doc

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1、经纬度生成点图层privateIFeatureClassCreateShapefile(stringfolderPath,DatabaseRecordsetmodel,stringstrFeatureClassName,intGeometryType)       {           IWorkspaceFactorypFeatWorkspaceFac=newShapefileWorkspaceFactory();                      IFeatureWorkspace

2、pFeatWorkspace=pFeatWorkspaceFac.OpenFromFile(folderPath,0)asIFeatureWorkspace;           if(pFeatWorkspace==null)returnnull;           ESRI.ArcGIS.Geodatabase.IFieldoField=newESRI.ArcGIS.Geodatabase.FieldClass();           ESRI.ArcGIS.Geodatabase.IF

3、ieldsoFields=newESRI.ArcGIS.Geodatabase.FieldsClass();           IFieldsEditoFieldsEdit=null;           IFieldEditoFieldEdit=null;           IFeatureClassoFeatureClass=null;           longFCount=model.GetFieldCount();           try           {       

4、        oFieldsEdit=oFieldsasESRI.ArcGIS.Geodatabase.IFieldsEdit;               oFieldEdit=oFieldasESRI.ArcGIS.Geodatabase.IFieldEdit;               oFieldEdit.Name_2="Shape";               oFieldEdit.Type_2=esriFieldType.esriFieldTypeGeometry;      

5、         IGeometryDefpGeo=newGeometryDefClass();               IGeometryDefEditpGeoEdit=(IGeometryDefEdit)pGeo;               if(GeometryType==0)               {                   pGeoEdit.GeometryType_2=esriGeometryType.esriGeometryPoint;           

6、    }               elseif(GeometryType==1)               {                   pGeoEdit.GeometryType_2=esriGeometryType.esriGeometryPolyline;               }               else               {                   pGeoEdit.GeometryType_2=esriGeometryType

7、.esriGeometryPolygon;               }               //依据GeometryType创建相应几何类型的要素类               stringProjPath=Application.StartupPath+"\xian1980gkzone18.prj";               ISpatialReferenceFactory2spatialReferenceFactory=newSpatialReferenceEnvironm

8、entClass();               ISpatialReference2spatialReference=spatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(ProjPath)asISpatialReference2;               pGeoEdit.SpatialReference_2=spatialReference;               //新要素类的空间参考依据投影文件xian1