public bool CanDo(string productIdentify, string subProductIdentify, string filename, out string error)
{
error = string.Empty;
if (string.IsNullOrEmpty(filename) || !File.Exists(filename))
{
error = "待转换文件为空或不存在!";
return(false);
}
if (Path.GetExtension(filename).ToUpper() != ".DAT")
{
error = "待转换文件非DAT文件!";
return(false);
}
if (_transDef == null)
{
_transDef = (new DATXMLParser()).GetTransDef();
}
if (_transDef == null)
{
error = "DAT转化参数初始化错误!";
return(false);
}
ProductDef product = _transDef.GetProductBySmartProductIdentify(productIdentify);
if (product == null)
{
error = "DAT转换尚不支持【" + productIdentify + "】产品!";
return(false);
}
SubProductDef subProduct = product.GetSubProductBySmartIdentfy(subProductIdentify);
if (subProduct == null)
{
error = "DAT转换尚不支持【" + subProductIdentify + "】子产品!";
return(false);
}
return(true);
}
public unsafe IExtractResult Do(string productIdentify, string subProductIdentify, IRasterDataProvider dataProvider, string filename, out string error)
{
error = string.Empty;
if (!CanDo(productIdentify, subProductIdentify, filename, out error))
{
return(null);
}
if (_transDef == null)
{
_transDef = (new DATXMLParser()).GetTransDef();
}
ProductDef product = _transDef.GetProductBySmartProductIdentify(productIdentify);
SubProductDef subProduct = product.GetSubProductBySmartIdentfy(subProductIdentify);
IPixelIndexMapper map = null;
RasterMaper[] fileIns = null;
RasterMaper[] fileOuts = null;
string outRasterFile = null;
IRasterDataProvider dblvPrd = null;
try
{
dblvPrd = GeoDataDriver.Open(filename) as IRasterDataProvider;
Dictionary <Int16, Int16> dic = subProduct.GetTableDic <Int16, Int16>();
//创建临时与当前影像大小一致的Int16类型文件
int index = 0;
using (IRasterDataProvider outRaster = GetTempRaster(dataProvider, "MEM", enumDataType.Int16))
{
outRasterFile = outRaster.fileName;
map = PixelIndexMapperFactory.CreatePixelIndexMapper(productIdentify + "_" + subProductIdentify, dataProvider.Width, dataProvider.Height, dataProvider.CoordEnvelope, dataProvider.SpatialRef);
List <RasterMaper> rms = new List <RasterMaper>();
RasterMaper rm = new RasterMaper(dataProvider, new int[] { 1 });
RasterMaper oldRm = new RasterMaper(dblvPrd, new int[] { 1 });
rms.AddRange(new RasterMaper[] { rm, oldRm });
//栅格数据映射
fileIns = rms.ToArray();
fileOuts = new RasterMaper[] { new RasterMaper(outRaster, new int[] { 1 }) };
//创建处理模型
RasterProcessModel <Int16, Int16> rfr = new RasterProcessModel <Int16, Int16>(null);
rfr.SetRaster(fileIns, fileOuts);
rfr.RegisterCalcModel(new RasterCalcHandlerFun <Int16, Int16>((rvInVistor, rvOutVistor, aoi) =>
{
if (rvInVistor[1].RasterBandsData[0] == null)
{
index += rvInVistor[0].RasterBandsData[0].Length;
return(false);
}
else
{
for (int i = 0; i < rvInVistor[1].RasterBandsData[0].Length; i++)
{
if (dic.ContainsKey(rvInVistor[1].RasterBandsData[0][i]))
{
map.Put(index + i);
}
}
index += rvInVistor[0].RasterBandsData[0].Length;
return(true);
}
}));
rfr.Excute(-1);
}
}
finally
{
if (dblvPrd != null)
{
dblvPrd.Dispose();
}
foreach (RasterMaper item in fileOuts)
{
if (item.Raster != null)
{
item.Raster.Dispose();
}
}
if (File.Exists(outRasterFile))
{
File.Delete(outRasterFile);
}
}
return(map.Indexes == null || map.Indexes.Count() == 0 ? null : map);
}
public ImportFilesObj[] AutoFindFilesByDirver(string productIdentify, string subProIdentify, IRasterDataProvider dataProvider, string dir)
{
if (string.IsNullOrEmpty(dir))
{
return(null);
}
if (_transDef == null)
{
_transDef = (new DATXMLParser()).GetTransDef();
}
if (_transDef == null)
{
return(null);
}
RasterIdentify rs = new RasterIdentify(dataProvider.fileName);
string searchStr = "*";
if (rs == null)
{
return(null);
}
ProductDef proDef = _transDef.GetProductBySmartProductIdentify(productIdentify);
if (proDef != null && !string.IsNullOrEmpty(proDef.FileIdentify))
{
searchStr += proDef.FileIdentify + "*";
}
SubProductDef subProDef = proDef.GetSubProductBySmartIdentfy(subProIdentify);
if (subProDef != null && !string.IsNullOrEmpty(subProDef.FileIdentify))
{
searchStr += subProDef.FileIdentify + "*";
}
if (!string.IsNullOrEmpty(rs.Satellite))
{
searchStr += rs.Satellite + "*";
}
if (!string.IsNullOrEmpty(rs.Sensor))
{
searchStr += rs.Sensor + "*";
}
if (rs.OrbitDateTime != DateTime.MinValue)
{
searchStr += rs.OrbitDateTime.ToString("yyyyMMddHHmmss") + "*";
}
string[] files = Directory.GetFiles(dir, searchStr + ".dat", SearchOption.AllDirectories);
if (files == null || files.Length == 0)
{
return(null);
}
string datRegion = null;
if (!string.IsNullOrEmpty(rs.RegionIdentify) && files.Length > 1)
{
for (int i = 0; i < files.Length; i++)
{
datRegion = GetRegionName(files[i]);
if (string.IsNullOrEmpty(datRegion) || rs.RegionIdentify.IndexOf(datRegion) == -1)
{
files[i] = string.Empty;
}
}
}
List <ImportFilesObj> importFiles = new List <ImportFilesObj>();
ImportFilesObj obj = null;
foreach (string file in files)
{
if (string.IsNullOrEmpty(file))
{
continue;
}
obj = new ImportFilesObj(productIdentify, subProIdentify, Path.GetFileName(file), Path.GetDirectoryName(file));
importFiles.Add(obj);
}
return(importFiles.Count == 0 ? null : importFiles.ToArray());
}