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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  1. using System;  
  2. using System.Collections.Generic;  
  3. using System.Text;  
  4. using ESRI.ArcGIS.Carto;  
  5. using ESRI.ArcGIS.DataSourcesGDB;  
  6. using ESRI.ArcGIS.Display;  
  7. using ESRI.ArcGIS.esriSystem;  
  8. using ESRI.ArcGIS.Geodatabase;  
  9. using ESRI.ArcGIS.Geometry;  
  10. using ESRI.ArcGIS.Controls;  
  11. using ESRI.ArcGIS.DataSourcesFile;  
  12. using ESRI.ArcGIS.DataSourcesRaster;  
  13.   
  14. namespace PLOS.ClassLibrary  
  15. {  
  16. public class ReadData  
  17. {  
  18. public static List<ILayer> ReadShapLayer(List<string> filePathList)  
  19. {  
  20. List<ILayer> layerList = new List<ILayer>();  
  21.   
  22. if (filePathList.Count == 0) return null;  
  23. else  
  24. {  
  25. foreach (string path in filePathList)  
  26. {  
  27. IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();  
  28. IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(path), 0);  
  29. IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;  
  30.   
  31. IFeatureClass pFeatureClass=pFeatureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(path));  
  32. IFeatureLayer pFeatureLayer = new FeatureLayerClass();  
  33. pFeatureLayer.FeatureClass = pFeatureClass;  
  34. pFeatureLayer.Name = System.IO.Path.GetFileNameWithoutExtension(path);  
  35. layerList.Add(pFeatureLayer as ILayer);  
  36. }  
  37. return layerList;  
  38. }  
  39. }  
  40.   
  41. public static List<ILayer> ReadLayerFromAccess(List<string> filePathList)  
  42. {  
  43. List<ILayer> layerList = new List<ILayer>();  
  44.   
  45. if (filePathList.Count == 0) return null;  
  46. else  
  47. {  
  48. foreach (string path in filePathList)  
  49. {  
  50. IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();  
  51. IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(path, 0);  
  52. IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;  
  53.   
  54. IEnumDataset pEnumDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTFeatureClass) as IEnumDataset;  
  55. pEnumDataset.Reset();  
  56. IDataset pDataset = pEnumDataset.Next();  
  57.   
  58. while (pDataset is IFeatureClass)  
  59. {  
  60. IFeatureLayer pFeatureLayer = new FeatureLayerClass();  
  61. pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset.Name);  
  62. pFeatureLayer.Name = pDataset.Name;  
  63. ILayer pLayer = pFeatureLayer as ILayer;  
  64. layerList.Add(pFeatureLayer as ILayer);  
  65. pDataset = pEnumDataset.Next();  
  66. }  
  67. }  
  68. return layerList;  
  69. }  
  70. }  
  71.   
  72. public static List<ILayer> ReadLayerFromGDB(List<string> filePathList)  
  73. {  
  74. List<ILayer> layerList = new List<ILayer>();  
  75.   
  76. if (filePathList.Count == 0) return null;  
  77. else  
  78. {  
  79. foreach (string path in filePathList)  
  80. {  
  81. IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();  
  82. IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(path, 0);  
  83. IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;  
  84.   
  85. IEnumDataset pEnumDataset = pWorkspace.get_Datasets(esriDatasetType.esriDTFeatureClass) as IEnumDataset;  
  86. pEnumDataset.Reset();  
  87. IDataset pDataset = pEnumDataset.Next();  
  88.   
  89. while (pDataset is IFeatureClass)  
  90. {  
  91. IFeatureLayer pFeatureLayer = new FeatureLayerClass();  
  92. pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset.Name);  
  93. pFeatureLayer.Name = pDataset.Name;  
  94. ILayer pLayer = pFeatureLayer as ILayer;  
  95. layerList.Add(pFeatureLayer as ILayer);  
  96. pDataset = pEnumDataset.Next();  
  97. }  
  98. }  
  99. return layerList;  
  100. }  
  101. }  
  102.   
  103. public static List<ILayer> ReadRasterLayer(List<string> filePathList)  
  104. {  
  105. List<ILayer> layerList = new List<ILayer>();  
  106.   
  107. if (filePathList.Count == 0) return null;  
  108. else  
  109. {  
  110. foreach (string path in filePathList)  
  111. {  
  112. IRasterLayer pRasterLayer = new RasterLayerClass();  
  113. pRasterLayer.CreateFromFilePath(path);  
  114. layerList.Add(pRasterLayer as ILayer);  
  115. }  
  116.   
  117. return layerList;  
  118. }  
  119. }  
  120.   
  121. public static List<ILayer> ReadCADLayer(List<string> filePathList)  
  122. {  
  123. List<ILayer> layerList = new List<ILayer>();  
  124.   
  125. if (filePathList.Count == 0) return null;  
  126. else  
  127. {  
  128. foreach (string path in filePathList)  
  129. {  
  130. IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactoryClass();  
  131. IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName( path), 0) as IFeatureWorkspace;  
  132. IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(System.IO.Path.GetFileName(path));   
  133. IFeatureClassContainer pFeatClassContainer = pFeatureDataset as IFeatureClassContainer;  
  134.   
  135. for (int i = 0; i < pFeatClassContainer.ClassCount - 1; i++)  
  136. {  
  137. IFeatureLayer pFeatureLayer;  
  138. IFeatureClass pFeatClass = pFeatClassContainer.get_Class(i);  
  139. if (pFeatClass.FeatureType == esriFeatureType.esriFTCoverageAnnotation) pFeatureLayer = new CadAnnotationLayerClass();  
  140. else pFeatureLayer = new FeatureLayerClass();  
  141.   
  142. pFeatureLayer.Name = pFeatClass.AliasName;  
  143. pFeatureLayer.FeatureClass = pFeatClass;  
  144. layerList.Add(pFeatureLayer as ILayer);  
  145. }  
  146. }  
  147. return layerList;  
  148. }  
  149. }  
  150.   
  151. public static List<ILayer> ReadXYZfile(List<string> filePathLis)  
  152. {  
  153. //稍后贴出  
  154. }  
  155.   
  156. }  
  157. }  
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原文地址：https://www.cnblogs.com/xianyin05/p/3086561.html