基于ArcGIS10.0和Oracle10g的空间数据管理平台(C#开发)-AE常用操作代码

先打一个广告:我的独立博客网址是:http://wuyouqiang.sinaapp.com/

我的新浪微博:http://weibo.com/freshairbrucewoo

欢迎大家相互交流,共同提高技术。

     本来打算睡觉了,但是突然看到自己保留的一个单独的C#文件,原来是AE常用操作的代码,这也是自己在做ArcGIS空间数据管理平台的项目时积累下来的,这里贴出来供需要使用的人。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
/********************************************************
 *
 * 本类部分功能接口依附于_workSpaceInstance
 * 必须首先使用CreateWorkspace或者OpenWorkspaceFromFile
 * 实例化_workSpaceInstance,才能使用
 *
********************************************************/
using System;
using System.Windows.Forms;
using System.IO;
using System.Data;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.CatalogUI;
 
namespace ControlLibrary
{
    class RuleDBCreater
    {
        private static IWorkspace _workSpaceInstance;
        public RuleDBCreater()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
 
        public static void setWorkSpaceInstance(IWorkspace ws)
        {
            _workSpaceInstance = ws;
        }
 
        public static IWorkspace getWorkSpaceInstance()
        {
            return _workSpaceInstance;
        }
        /// <summary>
        /// 创建规则数据库workspace
        /// </summary>
        /// <param name="workspaceType"></param>
        /// <param name="WorkspaceDirectory"></param>
        /// <returns>返回workspace实例</returns>
        public static IWorkspace CreateWorkspace(string pName, string pPath)
        {
            IWorkspaceFactory workspaceFactory = null;
            Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.AccessWorkspaceFactory");
            workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
            Directory.CreateDirectory(pPath);
            IWorkspaceName workspaceName = workspaceFactory.Create(pPath, pName,null, 0);
            IName Name = (IName)workspaceName;
            _workSpaceInstance = (IWorkspace)(Name.Open());
            return _workSpaceInstance;
        }
        /// <summary>
        /// 从文件创建规则数据库workspace
        /// </summary>
        /// <param name="WorkspaceDirectory"></param>
        /// <returns>返回workspace实例</returns>
        public static IWorkspace OpenWorkspaceFromFile(string WorkspaceDirectory)
        {
            IWorkspaceFactory workspaceFactory = null;
            Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.AccessWorkspaceFactory");
            workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
            _workSpaceInstance = workspaceFactory.OpenFromFile(WorkspaceDirectory, 0);
            return _workSpaceInstance;
        }
        /// <summary>
        /// 创建要素数据集
        /// </summary>
        /// <param name="name"></param>
        /// <returns>IFeatureDataset</returns>
        public static IFeatureDataset CreateFeatureDataSet(/*string name,ISpatialReference srf*/)
        {
            IFeatureDatasetDialog fdlg = new FeatureDatasetDefDialog();
            IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)_workSpaceInstance;
            return fdlg.DoModalCreate(featureWorkspace, 0);
            //if (_workSpaceInstance == null) return null;
            //IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)_workSpaceInstance;
            //IFeatureDataset tmp = featureWorkspace.CreateFeatureDataset(name, srf);
            //return tmp;
        }
        /// <summary>
        /// 删除要素数据集
        /// </summary>
        /// <param name="name"></param>
        /// <param name="srf"></param>
        /// <returns></returns>
        public static void DeleteFeatureDataSet(string name)
        {
            IFeatureDataset fds = GetFeatureDataSet(name);
            if (fds != null)
                fds.Delete();
        }
        /// <summary>
        /// 获取数据库中IFeatureDataset
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static IFeatureDataset GetFeatureDataSet(string name)
        {
            if (_workSpaceInstance == null) return null;
            IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)_workSpaceInstance;
            IFeatureDataset tmp = featureWorkspace.OpenFeatureDataset(name);
            return tmp;
        }
        /// <summary>
        /// 重命名DataSet
        /// </summary>
        /// <param name="fds"></param>
        /// <param name="newname"></param>
        public static void RenameFeatureDataSet(IFeatureDataset fds,string newname)
        {
            if (fds.CanRename())
            {
                fds.Rename(newname);
            }
        }
        /// <summary>
        /// 获取IFeatureDataset空间参照
        /// </summary>
        /// <param name="ds"></param>
        /// <returns></returns>
        public static ISpatialReference GetFdsSpatialReference(IFeatureDataset ds)
        {
            IGeoDataset gds = ds as IGeoDataset;
            return gds.SpatialReference;
        }
        /// <summary>
        /// 设置IFeatureDataset空间参照
        /// </summary>
        /// <param name="ds"></param>
        /// <returns></returns>
        public static void SetFdsSpatialReference(IFeatureDataset ds)
        {
            IGeoDataset gds = ds as IGeoDataset;
            // Cast the geodataset to the IGeoDatasetSchemaEdit interface and set the Spatial Reference.   
            IGeoDatasetSchemaEdit geoDatasetSchemaEdit = (IGeoDatasetSchemaEdit)gds;
            if (geoDatasetSchemaEdit.CanAlterSpatialReference)
            {
                geoDatasetSchemaEdit.AlterSpatialReference(EditSpatialReferenceDlg(gds.SpatialReference));
            }
        }
        /// <summary>
        /// 创建属性字段
        /// </summary>
        /// <param name="shapeType"></param>
        /// <param name="dgrc"></param>
        /// <param name="spr"></param>
        /// <returns></returns>
        public static IFields CreateFields(string shapeType, DataTable dt, ISpatialReference spr,bool hasM,bool hasZ)
        {
            IField oField = new FieldClass();
            IFieldEdit oFieldEdit = oField as IFieldEdit;
            IFields oFields = new FieldsClass();
            IFieldsEdit oFieldsEdit = oFields as IFieldsEdit;
 
            IGeometryDef geometryDef = new GeometryDefClass();
            IGeometryDefEdit geometryDefEdit = geometryDef as IGeometryDefEdit;
 
            foreach(DataRow dr in dt.Rows)
            {
                switch (dr[1].ToString())
                {
                    case "Object ID":
                        oFieldEdit.Name_2 = "ObjectID";
                        oFieldEdit.AliasName_2 = "FID";
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Multipoint Features":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = "SHAPE";
                        oFieldEdit.IsNullable_2 = true;
                        oFieldEdit.Required_2 = true;
 
                        geometryDefEdit.AvgNumPoints_2 = 1;
                        geometryDefEdit.GridCount_2 = 0;
                        geometryDefEdit.HasM_2 = hasM;
                        geometryDefEdit.HasZ_2 = hasZ;
                        geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryMultipoint;
                        geometryDefEdit.SpatialReference_2 = spr;
 
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
                        oFieldEdit.GeometryDef_2 = (GeometryDef)geometryDefEdit;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "MultiPatch Features":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = "SHAPE";
                        oFieldEdit.IsNullable_2 = true;
                        oFieldEdit.Required_2 = true;
                        
                        geometryDef = new GeometryDefClass();
                        geometryDefEdit = geometryDef as IGeometryDefEdit;
                        geometryDefEdit.AvgNumPoints_2 = 1;
                        geometryDefEdit.GridCount_2 = 0;
                        geometryDefEdit.HasM_2 = hasM;
                        geometryDefEdit.HasZ_2 = hasZ;
                        geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryMultiPatch;
                        geometryDefEdit.SpatialReference_2 = spr;
 
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
                        oFieldEdit.GeometryDef_2 = (GeometryDef)geometryDefEdit;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Point Features":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = "SHAPE";
                        oFieldEdit.IsNullable_2 = true;
                        oFieldEdit.Required_2 = true;
 
                        geometryDef = new GeometryDefClass();
                        geometryDefEdit = geometryDef as IGeometryDefEdit;
                        geometryDefEdit.AvgNumPoints_2 = 1;
                        geometryDefEdit.GridCount_2 = 0;
                        geometryDefEdit.HasM_2 = hasM;
                        geometryDefEdit.HasZ_2 = hasZ;
                        geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
                        geometryDefEdit.SpatialReference_2 = spr;
 
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
                        oFieldEdit.GeometryDef_2 = (GeometryDef)geometryDefEdit;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Line Features":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = "SHAPE";
                        oFieldEdit.IsNullable_2 = true;
                        oFieldEdit.Required_2 = true;
             
                        geometryDef = new GeometryDefClass();
                        geometryDefEdit = geometryDef as IGeometryDefEdit;
                        geometryDefEdit.AvgNumPoints_2 = 1;
                        geometryDefEdit.GridCount_2 = 0;
                        geometryDefEdit.HasM_2 = hasM;
                        geometryDefEdit.HasZ_2 = hasZ;
                        geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryLine;
                        geometryDefEdit.SpatialReference_2 = spr;
 
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
                        oFieldEdit.GeometryDef_2 = (GeometryDef)geometryDefEdit;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Polygon Features":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = "SHAPE";
                        oFieldEdit.IsNullable_2 = true;
                        oFieldEdit.Required_2 = true;
 
                        geometryDef = new GeometryDefClass();
                        geometryDefEdit = geometryDef as IGeometryDefEdit;
                        geometryDefEdit.AvgNumPoints_2 = 1;
                        geometryDefEdit.GridCount_2 = 0;
                        geometryDefEdit.HasM_2 = hasM;
                        geometryDefEdit.HasZ_2 = hasZ;
                        geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
                        geometryDefEdit.SpatialReference_2 = spr;
 
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
                        oFieldEdit.GeometryDef_2 = (GeometryDef)geometryDefEdit;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Short Int":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
                        oFieldEdit.IsNullable_2 = true;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Long Int":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Float":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSingle;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Double":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Text":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Length_2 = 30; // Only string fields require that you set the length.
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
                        oFieldsEdit.AddField(oField);
                        break;
                    case "Date":
                        oField = new FieldClass();
                        oFieldEdit = oField as IFieldEdit;
                        oFieldEdit.Name_2 = dr[0].ToString();
                        oFieldEdit.Type_2 = esriFieldType.esriFieldTypeDate;
                        oFieldsEdit.AddField(oField);
                        break;
                    //case "Guid":
                    //    IField fld12 = new FieldClass();
                    //    IFieldEdit fldedt12 = (IFieldEdit)fld12;
                    //    fldedt12.Name_2 = dr[0].ToString();
                    //    fldedt12.Type_2 = esriFieldType.esriFieldTypeGUID;
                    //    fieldsEdit.set_Field(i, fld12);
                    //    break;
                    //case "Geomery":
                    //    IField fld13 = new FieldClass();
                    //    IFieldEdit fldedt13 = (IFieldEdit)fld13;
                    //    fldedt13.Name_2 = dr[0].ToString();
                    //    fldedt13.IsNullable_2 = true;
                    //    fldedt13.Required_2 = true;
                    //    IGeometryDef geometryDef13 = new GeometryDefClass();
                    //    IGeometryDefEdit geometryDefEdit13 = (IGeometryDefEdit)geometryDef13;
                    //    geometryDef13 = new GeometryDefClass();
                    //    geometryDefEdit13 = (IGeometryDefEdit)geometryDef13;
                    //    geometryDefEdit13.AvgNumPoints_2 = 1;
                    //    geometryDefEdit13.GridCount_2 = 0;
                    //    geometryDefEdit13.HasM_2 = hasM;
                    //    geometryDefEdit13.HasZ_2 = hasZ;
                    //    fldedt13.Type_2 = esriFieldType.esriFieldTypeGeometry;
                    //    geometryDefEdit13.GeometryType_2 = esriGeometryType.esriGeometryAny;
                    //    //Generate a default Spatial Reference
                    //    geometryDefEdit13.SpatialReference_2 = spr;
                    //    fldedt13.GeometryDef_2 = (GeometryDef)geometryDefEdit13;
                    //    fldedt13.Type_2 = esriFieldType.esriFieldTypeGeometry;
                    //    fieldsEdit.set_Field(i, fld13);
                    //    break;
                    //case "Raster":
                    //    IField fld14 = new FieldClass();
                    //    IFieldEdit fldedt14 = (IFieldEdit)fld14;
                    //    fldedt14.Name_2 = dr[0].ToString();
                    //    fldedt14.Type_2 = esriFieldType.esriFieldTypeRaster;
                    //    fieldsEdit.set_Field(i, fld14);
                    //    break;
                }
            }
            return oFields;
        }    
        /// <summary>
        /// 创建要素类
        /// </summary>
        /// <param name="workspace"></param>
        /// <param name="featureDataset"></param>
        /// <param name="featureClassName"></param>
        /// <param name="fields"></param>
        /// <param name="CLSID"></param>
        /// <param name="CLSEXT"></param>
        /// <param name="strConfigKeyword"></param>
        /// <returns></returns>
        public static IFeatureClass CreateFeatureClass(IFeatureDataset featureDataset, String featureClassName, IFields fields)
        {
            if (_workSpaceInstance == null) return null;
            IFeatureClass featureClass = null;
            IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)_workSpaceInstance;
 
            // assign the class id value if not assigned
            ESRI.ArcGIS.esriSystem.UID CLSID = null;
            ESRI.ArcGIS.esriSystem.UID CLSEXT = null;
            string strConfigKeyword = "";
            if (CLSID == null)
            {
                CLSID = new ESRI.ArcGIS.esriSystem.UIDClass();
                CLSID.Value = "esriGeoDatabase.Feature";
            }
 
            System.String strShapeField = "";
 
            // locate the shape field
            for (Int32 j = 0; j < fields.FieldCount; j++)
            {
                esriFieldType dd = fields.get_Field(j).Type;
                if (dd == esriFieldType.esriFieldTypeGeometry)
                {
                    strShapeField = fields.get_Field(j).Name;
                }
            }
 
            // finally create and return the feature class
            if (featureDataset != null)
            {
                featureClass = featureDataset.CreateFeatureClass(featureClassName, fields, CLSID, CLSEXT, esriFeatureType.esriFTSimple, strShapeField, strConfigKeyword);
            }
             
            return featureClass;
        }
        /// <summary>
        /// 获取FeatureClass从IFeatureDataset
        /// </summary>
        /// <param name="featDs"></param>
        /// <param name="className"></param>
        /// <returns></returns>
        public static IFeatureClass GetFeatureClassFromFeatureDataset(IFeatureDataset featDs, string className)
        {
            IFeatureClass featClass;
            IFeatureClassContainer fcContainer = featDs as IFeatureClassContainer;
            for (int i = 0; i < fcContainer.ClassCount; i++)
            {
                featClass = fcContainer.get_Class(i);
                if (RuleDBCreater.GetFeatureClassName(featClass) == className)
                {
                    return featClass;
                }
            }
            return null;
        }
        /// <summary>
        /// 重命名FeatureClass
        /// </summary>
        /// <param name="fds"></param>
        /// <param name="newname"></param>
        public static void RenameFeatureClass(IFeatureClass fc,string newname)
        {
            IDataset ds = fc as IDataset;
            if (ds.CanRename())
            {
                ds.Rename(newname);
            }
        }
        /// <summary>
        /// 从数据集删除要素类
        /// </summary>
        /// <param name="featureDataset"></param>
        /// <param name="featureClassName"></param>
        /// <param name="fields"></param>
        /// <returns></returns>
        public static void DeleteFeatureClass(IFeatureDataset featureDataset, String featureClassName)
        {
            IFeatureClass fc = GetFeatureClassFromFeatureDataset(featureDataset, featureClassName);
            if (fc != null)
            {
                IDataset ds = fc as IDataset;
                if (ds.CanDelete())
                {
                    ds.Delete();
                }
            }
        }
        /// <summary>
        /// 编辑空间参照
        /// </summary>
        /// <param name="inputSpr"></param>
        /// <returns></returns>
        public static ISpatialReference EditSpatialReferenceDlg(ISpatialReference inputSpr)
        {
            ESRI.ArcGIS.CatalogUI.ISpatialReferenceDialog2 spatialReferenceDialog2 = new ESRI.ArcGIS.CatalogUI.SpatialReferenceDialogClass();
            ISpatialReference spf = spatialReferenceDialog2.DoModalEdit(inputSpr, false, false, false, false, false, false, false, 0);
            return spf;
        }
        /// <summary>
        /// 创建空间参照
        /// </summary>
        /// <param name="coordinateSystem"></param>
        /// <returns></returns>
        public static ISpatialReference CreateSpatialReferenceDlg()//
        {
            ESRI.ArcGIS.CatalogUI.ISpatialReferenceDialog2 spatialReferenceDialog2 = new ESRI.ArcGIS.CatalogUI.SpatialReferenceDialogClass();
            ISpatialReference spatialReference = spatialReferenceDialog2.DoModalCreate(true, false, false, 0);
            //ISpatialReferenceTolerance spatialReferenceTolerance = spatialReference as ISpatialReferenceTolerance;
            return spatialReference;
        }
 
        public static ISpatialReference SetXYZMTolerance(ISpatialReference srf,double xytolerance,double ztolerance,double mtolerance)
        {
            ISpatialReferenceTolerance spatialReferenceTolerance = srf as ISpatialReferenceTolerance;
            //spatialReferenceTolerance.XYTolerance = xytolerance;
            //spatialReferenceTolerance.ZTolerance = ztolerance;
            //spatialReferenceTolerance.MTolerance = mtolerance;
            return srf;
        }
 
        public static void GetXYZMTolerance(ISpatialReference srf,out double xytolerance,out double ztolerance,out double mtolerance)
        {
            ISpatialReferenceTolerance spatialReferenceTolerance = srf as ISpatialReferenceTolerance;
            xytolerance = spatialReferenceTolerance.XYTolerance;
            ztolerance = spatialReferenceTolerance.ZTolerance;
            mtolerance = spatialReferenceTolerance.MTolerance;
        }
        /// <summary>
        /// 获取工作区内所有数据集名称
        /// </summary>
        /// <param name="ws"></param>
        /// <returns></returns>
        public static IEnumDatasetName GetFeatureDataSetNames(IWorkspace ws)
        {
            return ws.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
        }
 
        public static bool IsArcDbFile(string path)
        {
            IWorkspaceFactory workspaceFactory = null;
            Type factoryType = Type.GetTypeFromProgID("esriDataSourcesGDB.AccessWorkspaceFactory");
            workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
            return workspaceFactory.IsWorkspace(path);
        }
 
        public static string GetFeatureClassName(IFeatureClass fc)
        {
            IDataset ds = fc as IDataset;
            return ds.Name;
        }
 
        public static IEnumFeatureClass GetFeatureClasses(IFeatureDataset fds)
        {
            IFeatureClassContainer pFeatureclassContainer = (IFeatureClassContainer)fds;
            return (IEnumFeatureClass)pFeatureclassContainer.Classes;
        }
 
        public static bool IsFeatureDataSetExist(string name)
        {
            //if (_workSpaceInstance == null) return true;
            IEnumDatasetName iEdn = GetFeatureDataSetNames(_workSpaceInstance);
            iEdn.Reset();
            IDatasetName iDsn = iEdn.Next();
            while (iDsn is IFeatureDatasetName)
            {
                if (iDsn.Name == name)  
                    return true;
                iDsn = iEdn.Next();
            }
            return false;
        }
 
        public static bool IsFeatureClassExist(string dsname, string fcname)
        {
            IEnumFeatureClass iEfc = GetFeatureClasses(GetFeatureDataSet(dsname));
            iEfc.Reset();
            IFeatureClass fcn = iEfc.Next();
            while (fcn is IFeatureClass)
            {
                if (fcname == fcn.AliasName)
                    return true;
                fcn = iEfc.Next();
            }
            return false;
        }
        /// <summary>
        /// 设置VerticalCoordinateSystem
        /// </summary>
        public static ISpatialReference3 SetVerticalCoordinateSystem(ISpatialReference3 spatialReference3)
        {
            ISpatialReferenceFactory3 spatialReferenceFactory3 = new SpatialReferenceEnvironmentClass();
            IVerticalCoordinateSystem verticalCoordinateSystem = spatialReferenceFactory3.CreateVerticalCoordinateSystem((int)esriSRVerticalCSType.esriSRVertCS_NAVD1988);
            spatialReference3.VerticalCoordinateSystem = verticalCoordinateSystem;
            return spatialReference3;
        }
    }
}
//public static bool IsNameValid(string str)
//{
//    System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z]\w{0,17}{1}quot;);
//    if (reg.IsMatch(s))
//    {
//        return true;
//    }
//    else
//    {
//        return false;
//    }
//}

  


 

posted @   蔷薇理想人生  阅读(2064)  评论(1编辑  收藏  举报
编辑推荐:
· 10年+ .NET Coder 心语,封装的思维:从隐藏、稳定开始理解其本质意义
· .NET Core 中如何实现缓存的预热?
· 从 HTTP 原因短语缺失研究 HTTP/2 和 HTTP/3 的设计差异
· AI与.NET技术实操系列:向量存储与相似性搜索在 .NET 中的实现
· 基于Microsoft.Extensions.AI核心库实现RAG应用
阅读排行:
· 10年+ .NET Coder 心语 ── 封装的思维:从隐藏、稳定开始理解其本质意义
· 地球OL攻略 —— 某应届生求职总结
· 提示词工程——AI应用必不可少的技术
· Open-Sora 2.0 重磅开源!
· 周边上新:园子的第一款马克杯温暖上架
点击右上角即可分享
微信分享提示