ArcGIS 10.0 ArcGIS 9.3.1数据生成实验--个人地理数据库

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Text;
  4 using ESRI.ArcGIS.esriSystem;
  5 using ESRI.ArcGIS.Geodatabase;
  6 using ESRI.ArcGIS.Geometry;
  7 using ESRI.ArcGIS.DataSourcesGDB;
  8 
  9 namespace createmdbandinsertfc
 10 {
 11     class Program
 12     {
 13         private static LicenseInitializer m_AOLicenseInitializer = new createmdbandinsertfc.LicenseInitializer();
 14     
 15         [STAThread()]
 16         static void Main(string[] args)
 17         {
 18             //ESRI License Initializer generated code.
 19             m_AOLicenseInitializer.InitializeApplication(new esriLicenseProductCode[] { esriLicenseProductCode.esriLicenseProductCodeArcInfo },
 20             new esriLicenseExtensionCode[] { });
 21             CretePGDB();
 22             //ESRI License Initializer generated code.
 23             //Do not make any call to ArcObjects after ShutDownApplication()
 24             m_AOLicenseInitializer.ShutdownApplication();
 25         }
 26 
 27         private static void CretePGDB()
 28         {
 29             Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.AccessWorkspaceFactory");
 30             IWorkspaceFactory2 workspaceFactory = (IWorkspaceFactory2)Activator.CreateInstance(factoryType);
 31             IWorkspaceName workspaceName = workspaceFactory.Create(@"c:\", "Sample.mdb", null, 0);
 32 
 33             //// Cast the workspace name object to the IName interface and open the workspace.
 34             IName name = (IName)workspaceName;
 35             IWorkspace workspace = (IWorkspace)name.Open();
 36 
 37             //直接打开
 38             //IWorkspaceFactory pwf = new AccessWorkspaceFactory();
 39             //IWorkspace workspace = pwf.OpenFromFile(@"c:\Sample.mdb", 0);
 40             //IFeatureWorkspace pFW = workspace as IFeatureWorkspace;
 41             //IFeatureDataset pFD = pFW.OpenFeatureDataset("DXT");
 42 
 43             ISpatialReferenceFactory3 spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
 44             ISpatialReference pSRF = new UnknownCoordinateSystemClass();
 45             ISpatialReferenceResolution pSRFResolu = (ISpatialReferenceResolution)pSRF;
 46             pSRFResolu.ConstructFromHorizon();
 47             pSRF.SetZDomain(0, 1);
 48             pSRF.SetMDomain(0, 1);
 49             ISpatialReferenceTolerance pSRFtolerance = (ISpatialReferenceTolerance)pSRF;
 50             pSRFtolerance.SetDefaultXYTolerance();
 51             pSRFtolerance.SetDefaultMTolerance();
 52             pSRFtolerance.SetDefaultZTolerance();
 53             IControlPrecision2 controlPrecision = pSRF as IControlPrecision2;
 54             controlPrecision.IsHighPrecision = true;
 55 
 56             //创建FeatureDataSet
 57             IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspace;
 58             IFeatureDataset pDC = featureWorkspace.CreateFeatureDataset("DXT", pSRF);
 59             //IFeatureClass pFC = CreateFeatureClass(pSRF, featureWorkspace);
 60             IFeatureClass pFC = CreateFeatureClass(pSRF, pDC);
 61             IGeodatabaseRelease pGDBR = workspace as IGeodatabaseRelease;
 62             Console.WriteLine(pGDBR.MajorVersion + "." + pGDBR.MinorVersion + "-" + pGDBR.BugfixVersion);
 63             pGDBR.Upgrade();
 64             Console.WriteLine(pGDBR.MajorVersion + "." + pGDBR.MinorVersion + "-" + pGDBR.BugfixVersion);
 65             //IGeoDatasetSchemaEdit2 pGDSE = pDC as IGeoDatasetSchemaEdit2;
 66             //pGDSE.AlterSpatialReference(pSRF);
 67             //pGDSE.AlterResolution(1000,1, 1);
 68             //根据创建的featuredataset创建featureclasss
 69             //IFeatureClass pFC = CreateFeatureClass((pFD as IGeoDataset).SpatialReference, (pFD as IFeatureDataset));
 70 
 71             //直接打开已有的FC
 72             //IFeatureClass pFC = pFW.OpenFeatureClass("节点");
 73 
 74             //IFeatureBuffer fb;
 75             //IFeatureCursor insertCursor = pFC.Insert(true);
 76             //IPoint point;
 77             //for (int i = 0; i < 100; i++)
 78             //{
 79             //    fb = pFC.CreateFeatureBuffer();
 80             //    point = new PointClass();
 81             //    point.PutCoords(40000.0+i*1000, 4000.0-i*200);
 82             //    fb.Shape = point;
 83             //    insertCursor.InsertFeature(fb);
 84             //}
 85             IWorkspace pws = ((IDataset)pFC).Workspace;
 86             IWorkspaceEdit pwe = pws as IWorkspaceEdit;
 87             bool startEdit = pwe.IsBeingEdited();
 88             if (!startEdit)
 89             {
 90                 pwe.StartEditing(false);
 91             }
 92             pwe.StartEditOperation();
 93 
 94             //是否需要清除原来数据
 95             
 96 
 97             IFeature pFeature;
 98             for (double i = 0; i < 180; i+=0.5)
 99             {
100                 pFeature = pFC.CreateFeature();
101                 IPoint point = new PointClass();
102                 point.PutCoords(i ,Math.Sin(90*i*Math.PI/180.0));
103                 pFeature.Shape = point;
104                 pFeature.Store();
105                 pFeature = null;
106             }
107             
108             pwe.StopEditOperation();
109             startEdit = pwe.IsBeingEdited();
110             if (startEdit)
111             {
112                 pwe.StopEditing(true);
113             }
114 
115         }
116 
117         //private static IFeatureClass CreateFeatureClass(ISpatialReference pSRF, IFeatureWorkspace pDC)
118         private static IFeatureClass CreateFeatureClass(ISpatialReference pSRF, IFeatureDataset pDC)
119         {
120             // Locations are all relative to the location of the reference lines.
121             // For geodatabase, signs feature class is at the same location and the streets table
122             // is at the level of the containing feature dataset.
123             // For shapefile, both are at the same location as the reference lines.
124             // start with the initial set of required fields for a feature class
125 
126             IFeatureClassDescription fcDescription = new FeatureClassDescriptionClass();
127             IObjectClassDescription ocDescription = fcDescription as IObjectClassDescription;
128             IFieldsEdit outFields = ocDescription.RequiredFields as IFieldsEdit;
129 
130             // make the shape field to be of type polyline with the same spatial reference as the reference lines
131 
132             IField shapeField = outFields.get_Field(outFields.FindField(fcDescription.ShapeFieldName));
133             IGeometryDefEdit geomDefEdit = shapeField.GeometryDef as IGeometryDefEdit;
134             geomDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
135             // Set the grid count to 1 and the grid size to 0 to allow ArcGIS to
136             // determine a valid grid size.
137             geomDefEdit.GridCount_2 = 1;
138             geomDefEdit.set_GridSize(0, 0);
139             geomDefEdit.SpatialReference_2 = pSRF;
140 
141             // add the other fields to the feature class
142 
143             IFieldEdit field = new FieldClass();
144             field.Name_2 = "ExitName";
145             field.Type_2 = esriFieldType.esriFieldTypeString;
146             field.Length_2 = 10;
147             outFields.AddField(field);
148 
149             field = new FieldClass();
150             field.Name_2 = "X";
151             field.Type_2 = esriFieldType.esriFieldTypeString;
152             field.Length_2 = 75;
153             outFields.AddField(field);
154 
155             field = new FieldClass();
156             field.Name_2 = "Y";
157             field.Type_2 = esriFieldType.esriFieldTypeString;
158             field.Length_2 = 75;
159             outFields.AddField(field);
160 
161             field = new FieldClass();
162             field.Name_2 = "Branch" + "Lng";
163             field.Type_2 = esriFieldType.esriFieldTypeString;
164             field.Length_2 = 2;
165             outFields.AddField(field);
166 
167             field = new FieldClass();
168             field.Name_2 = "Toward";
169             field.Type_2 = esriFieldType.esriFieldTypeString;
170             field.Length_2 = 75;
171             outFields.AddField(field);
172 
173             field = new FieldClass();
174             field.Name_2 = "Toward" + "Lng";
175             field.Type_2 = esriFieldType.esriFieldTypeString;
176             field.Length_2 = 2;
177             outFields.AddField(field);
178             return pDC.CreateFeatureClass(
179                 "节点",
180                 outFields,
181                 ocDescription.InstanceCLSID,
182                 ocDescription.ClassExtensionCLSID,
183                 esriFeatureType.esriFTSimple,
184                 fcDescription.ShapeFieldName,
185                 ""
186                 );
187         }
188 
189 
190     }
191 }