/// <summary>
/// 数据集复制为临时图层
/// </summary>
/// <param name="inFile"></param>
/// <returns></returns>
public static ILayer CopyAsTempLayer(string inFile)
{
bool isFeatureFile = FeatureInfoClass.IsFeatureFile(inFile);
string outFile = isFeatureFile
? TempFile.CreateNewTempFile(temExtension: "shp")
: TempFile.CreateNewTempFile();
return(CopyAsLayer(inFile, outFile));
}
/// <summary>
/// 转换图层坐标系
/// </summary>
/// <param name="inFilePath">图层</param>
/// <param name="spatialReference">坐标系</param>
/// <param name="outFile">输出文件</param>
public static void ChangeLayerCoordinateSystem(string inFilePath, ISpatialReference spatialReference,
string outFile)
{
if (spatialReference == null)
{
return;
}
if (FeatureInfoClass.IsFeatureFile(inFilePath))
{
ChangeFeatureCoordinateSystem(inFilePath, spatialReference, outFile);
}
else
{
ChangeRasterCoordinateSystem(inFilePath, spatialReference, outFile);
}
}
/// <summary>
/// 数据集复制为图层
/// </summary>
/// <param name="inFile"></param>
/// <param name="outFile">输出文件</param>
/// <returns></returns>
public static ILayer CopyAsLayer(string inFile, string outFile)
{
IDataset dataset = GetDataset(inFile);
//数据不能复制
if (IsCannotCopy(dataset, outFile))
{
return(null);
}
//从数据集中复制图层
ILayer layer = FeatureInfoClass.IsFeatureFile(inFile)
? CopyDatasetAsFeatureLayer(dataset, outFile)
: CopyDatasetAsRasterLayer(dataset, outFile);
return(layer);
}
/// <summary>
/// 获取数据集
/// </summary>
/// <param name="inFile"></param>
public static IDataset GetDataset(string inFile)
{
return(FeatureInfoClass.IsFeatureFile(inFile)
? FeatureInfoClass.GetDataset(inFile)
: RasterDataInfoClass.GetDataset(inFile));
}