ArcGIS 图层控制实例代码

package com.huitu.adf.web.custom.layers; import java.io.IOException; import java.util.HashMap; import java.util.Map; import java.util.Random; import org.apache.log4j.Logger; import com.esri.adf.web.ags.data.AGSLocalMapResource; import com.esri.adf.web.data.WebContext; import com.esri.arcgis.carto.FeatureLayer; import com.esri.arcgis.carto.IAnnotateLayerProperties; import com.esri.arcgis.carto.IAnnotateLayerPropertiesCollection; import com.esri.arcgis.carto.IFeatureLayer; import com.esri.arcgis.carto.IFeatureRenderer; import com.esri.arcgis.carto.IGeoFeatureLayer; import com.esri.arcgis.carto.ILabelEngineLayerProperties; import com.esri.arcgis.carto.ILayer; import com.esri.arcgis.carto.IMap; import com.esri.arcgis.carto.ISimpleRenderer; import com.esri.arcgis.carto.IUniqueValueRenderer; import com.esri.arcgis.carto.SimpleRenderer; import com.esri.arcgis.carto.UniqueValueRenderer; import com.esri.arcgis.datasourcesfile.ShapefileWorkspaceFactory; import com.esri.arcgis.display.IColor; import com.esri.arcgis.display.IEnumColors; import com.esri.arcgis.display.IRandomColorRamp; import com.esri.arcgis.display.IRgbColor; import com.esri.arcgis.display.ISimpleFillSymbol; import com.esri.arcgis.display.ISimpleLineSymbol; import com.esri.arcgis.display.ISymbol; import com.esri.arcgis.display.RandomColorRamp; import com.esri.arcgis.display.RgbColor; import com.esri.arcgis.display.SimpleFillSymbol; import com.esri.arcgis.display.SimpleLineSymbol; import com.esri.arcgis.display.esriSimpleFillStyle; import com.esri.arcgis.geodatabase.FeatureClass; import com.esri.arcgis.geodatabase.Field; import com.esri.arcgis.geodatabase.Fields; import com.esri.arcgis.geodatabase.GeometryDef; import com.esri.arcgis.geodatabase.IDataset; import com.esri.arcgis.geodatabase.IEnumDataset; import com.esri.arcgis.geodatabase.IFeature; import com.esri.arcgis.geodatabase.IFeatureBuffer; import com.esri.arcgis.geodatabase.IFeatureBufferProxy; import com.esri.arcgis.geodatabase.IFeatureClass; import com.esri.arcgis.geodatabase.IFeatureClassEdit; import com.esri.arcgis.geodatabase.IFeatureClassProxy; import com.esri.arcgis.geodatabase.IFeatureCursor; import com.esri.arcgis.geodatabase.IFeatureCursorProxy; import com.esri.arcgis.geodatabase.IFeatureDataset; import com.esri.arcgis.geodatabase.IFeatureWorkspace; import com.esri.arcgis.geodatabase.IFeatureWorkspaceProxy; import com.esri.arcgis.geodatabase.IField; import com.esri.arcgis.geodatabase.IFieldEdit; import com.esri.arcgis.geodatabase.IFields; import com.esri.arcgis.geodatabase.IGPDataType; import com.esri.arcgis.geodatabase.IGPValue; import com.esri.arcgis.geodatabase.IGeoDataset; import com.esri.arcgis.geodatabase.IGeometryDefEdit; import com.esri.arcgis.geodatabase.IWorkspaceEditProxy; import com.esri.arcgis.geodatabase.QueryFilter; import com.esri.arcgis.geodatabase.IWorkspace; import com.esri.arcgis.geodatabase.IWorkspaceFactory; import com.esri.arcgis.geodatabase.IWorkspaceFactoryProxy; import com.esri.arcgis.geodatabase.esriFeatureType; import com.esri.arcgis.geodatabase.esriFieldType; import com.esri.arcgis.geometry.GeometryEnvironment; import com.esri.arcgis.geometry.GeocentricTranslation; import com.esri.arcgis.geometry.IGeographicCoordinateSystem; import com.esri.arcgis.geometry.IGeometry; import com.esri.arcgis.geometry.IProjectedCoordinateSystem; import com.esri.arcgis.geometry.ISpatialReference; import com.esri.arcgis.geometry.ISpatialReference3Proxy; import com.esri.arcgis.geometry.ISpatialReferenceProxy; import com.esri.arcgis.geometry.Point; import com.esri.arcgis.geometry.Polygon; import com.esri.arcgis.geometry.Polyline; import com.esri.arcgis.geometry.SpatialReferenceEnvironment; import com.esri.arcgis.geometry.UnknownCoordinateSystem; import com.esri.arcgis.geometry.esriGeometryType; import com.esri.arcgis.geometry.esriSRGeoCSType; import com.esri.arcgis.geometry.esriSRGeoTransformationType; import com.esri.arcgis.geometry.esriSRProjCSType; import com.esri.arcgis.geoprocessing.GPFeatureLayer; import com.esri.arcgis.geoprocessing.GPUtilities; import com.esri.arcgis.geoprocessing.GeoProcessor; import com.esri.arcgis.geoprocessing.IGeoProcessorResult; import com.esri.arcgis.geoprocessing.tools.analysistools.Buffer; import com.esri.arcgis.geoprocessing.tools.datamanagementtools.DefineProjection; import com.esri.arcgis.interop.AutomationException; import com.esri.arcgis.server.IServerContext; import com.esri.arcgis.support.ms.stdole.Font; import com.esri.arcgis.system.IVariantArray; import com.esri.arcgis.system.esriJobStatus; import com.esri.arcgis.trackinganalyst.Datasets; import com.esri.arcgisws.LayerDescription; import com.esri.arcgisws.MapDescription; import com.huitu.khms.map.RthiAttributes; import com.huitu.khms.map.SeverObjectFactory; import com.huitu.khms.map.session.SessionDatum; import com.huitu.khms.map.session.SessionManager; public class ShapeFileLayer extends BaseLayer { private static Logger log = Logger.getLogger(ShapeFileLayer.class); String pathName; String fileName; ShapefileWorkspaceFactory factory=null; IWorkspace workspace = null; IEnumDataset enumDataset=null; public ShapeFileLayer(WebContext context, String mapReourceName, String pathName, String fileName) { super(context, mapReourceName); this.pathName = pathName; this.fileName = fileName; } public boolean init() { try { factory = (ShapefileWorkspaceFactory) localMapResource .getServerContext().createObject( ShapefileWorkspaceFactory.getClsid()); workspace = factory.openFromFile(pathName, 0);// "D:\\Data\\zjmap\\Maps" IFeatureClass fc = null; enumDataset = workspace .getDatasets(com.esri.arcgis.geodatabase.esriDatasetType.esriDTFeatureClass); IDataset ds = enumDataset.next(); while (ds != null) { if (ds.getName().toUpperCase().endsWith(fileName.toUpperCase())) {// "ST_RIVER" fc = new IFeatureClassProxy(ds); } ds = enumDataset.next(); } myFeatureLayer = (FeatureLayer) localMapResource.getServerContext() .createObject(FeatureLayer.getClsid()); //create a spatial reference to assign to the FeatureClass - we will use //use UTM - Zone 11 North WGS84 // SpatialReferenceEnvironment spatRefEnv = (SpatialReferenceEnvironment) serverContext // .createObject(SpatialReferenceEnvironment.getClsid()); // // IProjectedCoordinateSystem projectedCoordSystem = spatRefEnv.createProjectedCoordinateSystem( // esriSRProjCSType.esriSRProjCS_Beijing1954GK_23); // // //set the coordinate system on the new feature class // IGeographicCoordinateSystem gcs = spatRefEnv.createGeographicCoordinateSystem( // esriSRGeoCSType.esriSRGeoCS_Beijing1954); // /* // IFields fields=fc.getFields(); // int index=fields.findFieldByAliasName("Shape"); // // IFieldEdit fe=new Field(fields.getField(index)); // // IGeometryDefEdit gde=new GeometryDef(fe.getGeometryDef()); // // ISpatialReference sr=gde.getSpatialReference(); // // gde.setSpatialReferenceByRef(gcs); // // fe.setGeometryDefByRef(gde); // // int count = fc.featureCount(null); // // for (int i = 0; i < count; i++){ // IFeature f = fc.getFeature(i); // IGeometry g = (IGeometry)f.getShape(); // g.project(projectedCoordSystem); // } // */ // //com.esri.arcgis.geoprocessing.tools.coveragetools.DefineProjection dprojection=SeverObjectFactory.CreateDefineProjection(serverContext); // DefineProjection dprojection = new DefineProjection(); // GeoProcessor gp = (GeoProcessor) serverContext.createObject(GeoProcessor.getClsid()); // // //