/// <summary>
/// Deletes the dataset.
/// </summary>
/// <param name="targetWorkspace">The target workspace.</param>
/// <param name="sTargetName">Name of the s target.</param>
/// <param name="type">The type.</param>
public static void DeleteDataset(IWorkspace targetWorkspace, string sTargetName, esriDatasetType type = esriDatasetType.esriDTFeatureClass)
{
IDatasetName datasetName = null;
switch (type)
{
case esriDatasetType.esriDTFeatureDataset:
datasetName = new FeatureDatasetNameClass();
break;
case esriDatasetType.esriDTFeatureClass:
datasetName = new FeatureClassNameClass();
break;
default:
if (type == esriDatasetType.esriDTTable)
{
datasetName = new TableNameClass();
}
break;
}
if (datasetName != null)
{
datasetName.Name = sTargetName;
datasetName.WorkspaceName = ((targetWorkspace as IDataset).FullName as IWorkspaceName);
EngineAPI.DeleteDataset(targetWorkspace, datasetName);
}
}
private static void DeleteDataset(IWorkspace targetWorkspace, IDatasetName datasetName)
{
if (EngineAPI.IsNameExist(targetWorkspace, datasetName.Name, esriDatasetType.esriDTFeatureClass))
{
(targetWorkspace as IFeatureWorkspaceManage).DeleteByName(datasetName);
}
}
/// <summary>
/// Creates SHPfile.
/// </summary>
/// <param name="sFilePath">The file path.</param>
/// <param name="geometry">The geometry.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public static bool CreateShpFile(string sFilePath, IGeometry geometry)
{
string directoryName = System.IO.Path.GetDirectoryName(sFilePath);
IFeatureWorkspace featureWorkspace = EngineAPI.OpenWorkspace(directoryName, DataType.shp) as IFeatureWorkspace;
bool result;
if (featureWorkspace == null)
{
result = false;
}
else
{
try
{
string fileNameWithoutExtension = System.IO.Path.GetFileNameWithoutExtension(sFilePath);
result = EngineAPI.CreateGeometryLayer(fileNameWithoutExtension, geometry, featureWorkspace, "");
}
finally
{
if (featureWorkspace != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(featureWorkspace);
}
}
}
return(result);
}
/// <summary>
/// 打开矢量文件
/// </summary>
/// <param name="shpFile">文件名</param>
/// <returns></returns>
public static IFeatureClass OpenFeatureClass(string shpFile)
{
IFeatureClass result;
FileInfo fInfo = new FileInfo(shpFile);
if (!System.IO.Directory.Exists(fInfo.DirectoryName))
{
result = null;
}
else
{
IWorkspace workspace = EngineAPI.OpenWorkspace(fInfo.DirectoryName, DataType.shp);
if (workspace == null)
{
result = null;
}
else
{
IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);
try
{
enumDatasetName.Reset();
IDatasetName datasetName;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (fInfo.Name == (datasetName.Name + ".shp"))
{
break;
}
}
if (datasetName == null)
{
result = null;
}
else
{
IFeatureClass pFeatureClass = (datasetName as IName).Open() as IFeatureClass;
result = pFeatureClass;
}
}
finally
{
if (enumDatasetName != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(enumDatasetName);
}
if (workspace != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspace);
}
}
}
}
return(result);
}
/// <summary>
/// Opens the raster file.
/// </summary>
/// <param name="sPath">The s path.</param>
/// <param name="sName">Name of the s.</param>
/// <returns>IRasterDataset.</returns>
public static IRasterDataset OpenRasterFile(string sPath, string sName)
{
IRasterDataset result;
if (!System.IO.Directory.Exists(sPath))
{
result = null;
}
else
{
IWorkspace workspace = EngineAPI.OpenWorkspace(sPath, DataType.raster);
if (workspace == null)
{
result = null;
}
else
{
IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTRasterDataset);
try
{
enumDatasetName.Reset();
IDatasetName datasetName;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (string.Equals(datasetName.Name, sName, System.StringComparison.OrdinalIgnoreCase))
{
break;
}
}
if (datasetName == null)
{
result = null;
}
else
{
IRasterDataset rasterDataset = (datasetName as IName).Open() as IRasterDataset;
result = rasterDataset;
}
}
finally
{
if (enumDatasetName != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(enumDatasetName);
}
if (workspace != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspace);
}
}
}
}
return(result);
}
/// <summary>
/// Create geometry layer
/// </summary>
/// <param name="sName">filename without extension</param>
/// <param name="geometry">based geometry</param>
/// <param name="featureWorkspace">featureWorkspace</param>
/// <param name="sAlias"></param>
/// <returns></returns>
public static bool CreateGeometryLayer(string sName, List <ROIGeometry> geometryList, IFeatureWorkspace featureWorkspace, string sAlias = "")
{
bool result;
try
{
IObjectClassDescription objectClassDescription = new FeatureClassDescriptionClass();
IFields requiredFields = objectClassDescription.RequiredFields;
string shapeFieldName = (objectClassDescription as IFeatureClassDescription).ShapeFieldName;
int index = requiredFields.FindField(shapeFieldName);
IGeometryDef geometryDef = requiredFields.get_Field(index).GeometryDef;
IGeometryDefEdit geometryDefEdit = geometryDef as IGeometryDefEdit;
geometryDefEdit.GeometryType_2 = geometryList[0].geometry.GeometryType;
geometryDefEdit.SpatialReference_2 = geometryList[0].geometry.SpatialReference;
IFeatureClass featureClass = featureWorkspace.CreateFeatureClass(sName, requiredFields, new UIDClass
{
Value = "esriGeoDatabase.Feature"
}, null, esriFeatureType.esriFTSimple, shapeFieldName, "");
try
{
foreach (ROIGeometry roi in geometryList)
{
IFeature feature = featureClass.CreateFeature();
feature.Shape = roi.geometry;
feature.Store();
}
if (!string.IsNullOrEmpty(sAlias))
{
EngineAPI.AlterDatasetAlias(featureClass, sAlias);
}
}
finally
{
if (featureClass != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(featureClass);
}
}
result = true;
}
catch
{
result = false;
}
return(result);
}
/// <summary>
/// Opens the GDB feature class.
/// </summary>
/// <param name="sFilePath">The s file path.</param>
/// <param name="type">The type.</param>
/// <param name="sFcName">Name of the s fc.</param>
/// <returns>IFeatureClass.</returns>
public static IFeatureClass OpenGDBFeatureClass(string sFilePath, DataType type, string sFcName)
{
IFeatureClass result;
if (type == DataType.mdb && !System.IO.File.Exists(sFilePath))
{
result = null;
}
else if (type == DataType.gdb && !System.IO.Directory.Exists(sFilePath))
{
result = null;
}
else
{
IWorkspace workspace = EngineAPI.OpenWorkspace(sFilePath, type);
if (workspace == null)
{
result = null;
}
else
{
try
{
result = (workspace as IFeatureWorkspace).OpenFeatureClass(sFcName);
}
catch
{
result = null;
}
finally
{
if (workspace != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspace);
}
}
}
}
return(result);
}
/// <summary>
/// 打开栅格文件
/// </summary>
public static IRasterDataset OpenRasterFile(string inFile)
{
FileInfo fInfo = new FileInfo(inFile);
return(EngineAPI.OpenRasterFile(fInfo.DirectoryName, fInfo.Name));
}
/// <summary>
/// Opens the cad feature class.
/// </summary>
/// <param name="sCadFilePath">The s cad file path.</param>
/// <param name="sFcName">Name of the s fc.</param>
/// <returns>IFeatureClass.</returns>
public static IFeatureClass OpenCADFeatureClass(string sCadFilePath, string sFcName)
{
IFeatureClass result;
if (!System.IO.File.Exists(sCadFilePath))
{
result = null;
}
else
{
IWorkspace workspace = EngineAPI.OpenWorkspace(System.IO.Path.GetDirectoryName(sCadFilePath), DataType.cad);
if (workspace == null)
{
result = null;
}
else
{
string fileName = System.IO.Path.GetFileName(sCadFilePath);
IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
try
{
enumDatasetName.Reset();
IDatasetName datasetName = null;
IDatasetName datasetName2;
while ((datasetName2 = enumDatasetName.Next()) != null)
{
if (string.Equals(datasetName2.Name, fileName, System.StringComparison.OrdinalIgnoreCase))
{
IEnumDatasetName subsetNames = datasetName2.SubsetNames;
try
{
subsetNames.Reset();
while ((datasetName = subsetNames.Next()) != null)
{
if (string.Equals(datasetName.Name, sFcName, System.StringComparison.OrdinalIgnoreCase))
{
break;
}
}
}
finally
{
if (subsetNames != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(subsetNames);
}
}
break;
}
}
if (datasetName == null)
{
result = null;
}
else
{
IFeatureClass featureClass = (datasetName as IName).Open() as IFeatureClass;
result = featureClass;
}
}
finally
{
if (enumDatasetName != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(enumDatasetName);
}
if (workspace != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspace);
}
}
}
}
return(result);
}
