C sharp +AE读取Shapefile,raster,gdb,mdb,CAD图,自定义格式坐标数据.doc

using System;using System.Collections.Generic;using System.Text;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.DataSourcesGDB;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.Controls;using ESRI.ArcGIS.DataSourcesFile;using ESRI.ArcGIS.DataSourcesRaster;namespace PLOS.ClassLibrarypublic class ReadDatapublic static List ReadShapLayer(List filePathList)List layerList = new List();if (filePathList.Count = 0) return null;elseforeach (string path in filePathList)IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(path), 0);IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;IFeatureClass pFeatureClass=pFeatureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(path);IFeatureLayer pFeatureLayer = new FeatureLayerClass();pFeatureLayer.FeatureClass = pFeatureClass;pFeatureLayer.Name = System.IO.Path.GetFileNameWithoutExtension(path);layerList.Add(pFeatureLayer as ILayer);return layerList;public static List ReadLayerFromAccess(List filePathList)List layerList = new List();if (filePathList.Count = 0) return null;elseforeach (string path in filePathList)IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(path, 0);IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;IEnumDataset pEnumDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTFeatureClass) as IEnumDataset;pEnumDataset.Reset();IDataset pDataset = pEnumDataset.Next();while (pDataset is IFeatureClass)IFeatureLayer pFeatureLayer = new FeatureLayerClass();pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset.Name);pFeatureLayer.Name = pDataset.Name;ILayer pLayer = pFeatureLayer as ILayer;layerList.Add(pFeatureLayer as ILayer);pDataset = pEnumDataset.Next();return layerList;public static List ReadLayerFromGDB(List filePathList)List layerList = new List();if (filePathList.Count = 0) return null;elseforeach (string path in filePathList)IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(path, 0);IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;IEnumDataset pEnumDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTFeatureClass) as IEnumDataset;pEnumDataset.Reset();IDataset pDataset = pEnumDataset.Next();while (pDataset is IFeatureClass)IFeatureLayer pFeatureLayer = new FeatureLayerClass();pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset.Name);pFeatureLayer.Name = pDataset.Name;ILayer pLayer = pFeatureLayer as ILayer;layerList.Add(pFeatureLayer as ILayer);pDataset = pEnumDataset.Next();return layerList;public static List ReadRasterLayer(List filePathList)List layerList = new List();if (filePathList.Count = 0) return null;elseforeach (string path in filePathList)IRasterLayer pRasterLayer = new RasterLayerClass();pRasterLayer.CreateFromFilePath(path);layerList.Add(pRasterLayer as ILayer);return layerList;public static List ReadCADLayer(List filePathList)List layerList = new List();if (filePathList.Count = 0) return null;elseforeach (string path in filePathList)IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactoryClass();IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName( path), 0) as IFeatureWorkspace;IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(System.IO.Path.GetFileName(path); IFeatureClassContainer pFeatClassContainer = pFeatureDataset as IFeatureClassContainer;for (int i = 0; i pFeatClassContainer.ClassCount - 1; i+)IFeatureLayer pFeatureLayer;IFeatureClass pFeatClass = pFeatClassContainer.get_Class(i);if (pFeatClass.FeatureType = esriFeatureType.esriFTCoverageAnnotation) pFeatureLayer = new CadAnnotationLayerClass();else pFeatureLayer = new Fe