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

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

2013-05-16 20:40 7人阅读 评论(0) 收藏 举报

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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.ClassLibrary

{

public class ReadData

{

public static List<ILayer> ReadShapLayer(List<string> filePathList)

{

List<ILayer> layerList = new List<ILayer>();

if (filePathList.Count == 0) return null;

else

{

foreach (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<ILayer> ReadLayerFromAccess(List<string> filePathList)

{

List<ILayer> layerList = new List<ILayer>();

if (filePathList.Count == 0) return null;

else

{

foreach (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<ILayer> ReadLayerFromGDB(List<string> filePathList)

{

List<ILayer> layerList = new List<ILayer>();

if (filePathList.Count == 0) return null;

else

{

foreach (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<ILayer> ReadRasterLayer(List<string> filePathList)

{

List<ILayer> layerList = new List<ILayer>();

if (filePathList.Count == 0) return null;

else

{

foreach (string path in filePathList)

{

IRasterLayer pRasterLayer = new RasterLayerClass();

pRasterLayer.CreateFromFilePath(path);

layerList.Add(pRasterLayer as ILayer);

}

return layerList;

}

}

public static List<ILayer> ReadCADLayer(List<string> filePathList)

{

List<ILayer> layerList = new List<ILayer>();

if (filePathList.Count == 0) return null;

else

{

foreach (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 FeatureLayerClass();

pFeatureLayer.Name = pFeatClass.AliasName;

pFeatureLayer.FeatureClass = pFeatClass;

layerList.Add(pFeatureLayer as ILayer);

}

}

return layerList;

}

}

public static List<ILayer> ReadXYZfile(List<string> filePathLis)

{

//稍后贴出

}

}

}