private ISpatialReference GetSpatialReference(int xyCoordinateSystem)
{
const bool IsHighPrecision = true;
ISpatialReference spatialReference;
ISpatialReferenceFactory3 spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
spatialReference = spatialReferenceFactory.CreateSpatialReference(xyCoordinateSystem);
IControlPrecision2 controlPrecision = spatialReference as IControlPrecision2;
controlPrecision.IsHighPrecision = IsHighPrecision;
ISpatialReferenceResolution spatialReferenceResolution = spatialReference as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
spatialReferenceResolution.SetDefaultZResolution();
spatialReferenceResolution.SetDefaultMResolution();
ISpatialReferenceTolerance spatialReferenceTolerance = spatialReference as ISpatialReferenceTolerance;
spatialReferenceTolerance.SetDefaultXYTolerance();
spatialReferenceTolerance.SetDefaultZTolerance();
spatialReferenceTolerance.SetDefaultMTolerance();
return(spatialReference);
}
/// <summary>
/// 创建要素集 20110919 xisheng
/// </summary>
/// <param name="feaworkspace">指定工作空间</param>
/// <param name="datasetname">指定要素集名称</param>
/// <param name="PrjPath">空间参考</param>
/// <returns></returns>
private static IFeatureDataset CreateFeatureDataset(IFeatureWorkspace feaworkspace, string datasetname, string PrjPath)
{
try
{
string spatialPath = PrjPath;
ISpatialReferenceFactory pSpaReferenceFac = new SpatialReferenceEnvironmentClass(); //空间参考工厂
ISpatialReference pSpatialReference = null; //用来获得空间参考
if (File.Exists(spatialPath))
{
pSpatialReference = pSpaReferenceFac.CreateESRISpatialReferenceFromPRJFile(spatialPath);
}
if (pSpatialReference == null)
{
pSpatialReference = new UnknownCoordinateSystemClass();
}
//设置默认的Resolution
ISpatialReferenceResolution pSpatiaprefRes = pSpatialReference as ISpatialReferenceResolution;
pSpatiaprefRes.ConstructFromHorizon();//Defines the XY resolution and domain extent of this spatial reference based on the extent of its horizon
pSpatiaprefRes.SetDefaultXYResolution();
pSpatiaprefRes.SetDefaultZResolution();
pSpatiaprefRes.SetDefaultMResolution();
//设置默认的Tolerence
ISpatialReferenceTolerance pSpatialrefTole = pSpatiaprefRes as ISpatialReferenceTolerance;
pSpatialrefTole.SetDefaultXYTolerance();
pSpatialrefTole.SetDefaultZTolerance();
pSpatialrefTole.SetDefaultMTolerance();
//创建数据集
IFeatureDataset pFeatureDataset = null;//定义数据集用来装载要素类
pFeatureDataset = feaworkspace.CreateFeatureDataset(datasetname, pSpatialReference);
return(pFeatureDataset);
}
catch (Exception e)
{
//*******************************************************************
//guozheng added
if (ModData.SysLog != null)
{
ModData.SysLog.Write(e, null, DateTime.Now);
}
else
{
ModData.SysLog = new SysCommon.Log.clsWriteSystemFunctionLog();
ModData.SysLog.Write(e, null, DateTime.Now);
}
//********************************************************************
return(null);
}
}
/// <summary>
/// shape图层入库
/// </summary>
/// <param name="sourceworkspace"></param>
/// <param name="targetworkspace"></param>
/// <param name="nameOfsourceFeatureClass"></param>
/// <param name="nameOftargetFeatureClass"></param>
/// <returns></returns>
public IFeatureClass ShapeFileIntoGDB(IWorkspace sourceworkspace, IWorkspace targetworkspace,
string nameOfsourceFeatureClass, string nameOftargetFeatureClass)
{
try
{
//创建源工作空间
IDataset sourceWorkspaceDataset = (IDataset)sourceworkspace;
IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName;
//创建源数据集
IFeatureClassName sourceFeatureClassName = new FeatureClassNameClass();
IDatasetName sourceDatasetName = (IDatasetName)sourceFeatureClassName;
sourceDatasetName.WorkspaceName = sourceWorkspaceName;
sourceDatasetName.Name = nameOfsourceFeatureClass;
//创建目标工作空间
IDataset targetWorkspaceDataset = (IDataset)targetworkspace;
IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName;
//创建目标数据集
IFeatureClassName targetFeatureClassName = new FeatureClassNameClass();
IDatasetName targetDatasetName = (IDatasetName)targetFeatureClassName;
targetDatasetName.WorkspaceName = targetWorkspaceName;
targetDatasetName.Name = nameOftargetFeatureClass;
//源数据集的字段集
IName sourceName = (IName)sourceFeatureClassName;
IFeatureClass sourceFeatureClass = (IFeatureClass)sourceName.Open();
//验证字段
IFieldChecker fieldChecker = new FieldCheckerClass();
IFields targetFeatureClassFields;
IFields sourceFeatureClassFields = sourceFeatureClass.Fields;
IEnumFieldError enumFieldError;
//设置验证的对象
fieldChecker.InputWorkspace = sourceworkspace;
fieldChecker.ValidateWorkspace = targetworkspace;
fieldChecker.Validate(sourceFeatureClassFields, out enumFieldError, out targetFeatureClassFields);
//找到空间对象字段
IField geometryField;
for (int i = 0; i < targetFeatureClassFields.FieldCount; i++)
{
if (targetFeatureClassFields.get_Field(i).Type == esriFieldType.esriFieldTypeGeometry)
{
geometryField = targetFeatureClassFields.get_Field(i);
//得到空间字段的定义
IGeometryDef geometryDef = geometryField.GeometryDef;
//得到空间字段的索引
IGeometryDefEdit targetFCGeometryDefEdit = (IGeometryDefEdit)geometryDef;
targetFCGeometryDefEdit.GridCount_2 = 1;
targetFCGeometryDefEdit.set_GridSize(0, 0);
//targetFCGeometryDefEdit.SpatialReference_2 = geometryField.GeometryDef.SpatialReference;
ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference spatialReference = DataEditCommon.g_pMap.SpatialReference;
//spatialReferenceFactory.CreateProjectedCoordinateSystem((int)esriSRProjCSType.esriSRProjCS_NAD1983UTM_20N);
ISpatialReferenceResolution spatialReferenceResolution = (ISpatialReferenceResolution)spatialReference;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
spatialReferenceResolution.SetDefaultZResolution();
ISpatialReferenceTolerance spatialReferenceTolerance = (ISpatialReferenceTolerance)spatialReference;
spatialReferenceTolerance.SetMinimumXYTolerance();
spatialReferenceTolerance.SetMinimumZTolerance();
double XMin, XMax, YMin, YMax, ZMin, ZMax, MinXYTolerance, MinZTolerance;
XMin = 4054.3603997438;
XMax = 78088.6926632544;
YMin = 14424.8510028409;
YMax = 59609.4812606697;
ZMin = 30330.1483519995;
ZMax = 38389.3283520005;
//spatialReference.SetDomain(XMin, XMax, YMin, YMax);
//spatialReference.SetZDomain(ZMin, ZMax);
MinXYTolerance = 0.000000000008219;
MinZTolerance = 0.000000000007629;
//spatialReferenceTolerance.SetMinimumZTolerance( MinXYTolerance);
//spatialReference.GetDomain(out XMin, out XMax, out YMin, out YMax);
//spatialReference.GetZDomain(out ZMin, out ZMax);
targetFCGeometryDefEdit.SpatialReference_2 = spatialReference;
//开始导入
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "";
//导入所有的输入对象
IFeatureDataConverter featureDataConverter = new FeatureDataConverterClass();
IEnumInvalidObject enumInvalidObject = featureDataConverter.ConvertFeatureClass(sourceFeatureClassName,
queryFilter, null, targetFeatureClassName, geometryDef, targetFeatureClassFields, "", 1000, 0);
break;
}
}
//导入后数据集的字段集
IName targetName = (IName)targetFeatureClassName;
IFeatureClass targetFeatureClass = (IFeatureClass)targetName.Open();
return(targetFeatureClass);
}
catch (Exception ex)
{
return(null);
}
}