public static DataIdentify Match(string fname)
{
if (string.IsNullOrEmpty(fname))
{
return(null);
}
fname = Path.GetFileName(fname).ToUpper();
DataIdentify it = new DataIdentify();
it.Satellite = GetSatellite(fname);
it.Sensor = GetSensor(fname);
it.OrbitDateTime = GetOrbitDateTime(fname);
return(it);
}
/// <summary>
/// 拷贝非空值
/// </summary>
/// <param name="targetDataIdentify"></param>
public void CopyAttributesToIfNull(DataIdentify targetDataIdentify)
{
if (string.IsNullOrEmpty(targetDataIdentify.Satellite))
{
targetDataIdentify.Satellite = Satellite;
}
if (string.IsNullOrEmpty(targetDataIdentify.Sensor))
{
targetDataIdentify.Sensor = Sensor;
}
if (DateTime.MinValue == targetDataIdentify.OrbitDateTime)
{
targetDataIdentify.OrbitDateTime = OrbitDateTime;
}
if (targetDataIdentify.DayOrNight == enumDayOrNight.Null)
{
targetDataIdentify.DayOrNight = DayOrNight;
}
}
private string[] LdfOptions(FilePrjSettings prjSettings, SpatialReference dstSpatial, float resolutionX, float resolutionY, DataIdentify dataIdentify)
{
List <string> options = new List <string>();
options.Add("INTERLEAVE=BSQ");
options.Add("VERSION=LDF");
options.Add("SPATIALREF=" + dstSpatial.ExportToProj4());
options.Add("MAPINFO={" + 1 + "," + 1 + "}:{" + prjSettings.OutEnvelope.MinX + "," + prjSettings.OutEnvelope.MaxY + "}:{" + resolutionX + "," + resolutionY + "}");
options.Add("SENSOR=NOM");
if (dataIdentify != null)
{
string satellite = dataIdentify.Satellite;
DateTime dt = dataIdentify.OrbitDateTime;
bool asc = dataIdentify.IsAscOrbitDirection;
if (!string.IsNullOrWhiteSpace(satellite))
{
options.Add("SATELLITE=" + satellite);
}
if (dt != DateTime.MinValue && dt != DateTime.MaxValue)
{
options.Add("DATETIME=" + dt.ToString("yyyy/MM/dd HH:mm"));
}
}
return(options.ToArray());
}
private AbstractWarpDataset CreateOutFile(FilePrjSettings prjSettings, SpatialReference dstSpatial, DataIdentify dataIdentify)
{
float resolutionX = prjSettings.OutResolutionX;
float resolutionY = prjSettings.OutResolutionY;
string[] options = null;
string outformat = string.IsNullOrWhiteSpace(prjSettings.OutFormat) ? ".ldf" : prjSettings.OutFormat.ToLower();
string driver = "";
if (outformat == ".ldf" || outformat == ".tiff")
{
driver = "GDAL";
options = new string[] {
"DRIVERNAME=GTiff",
"TFW=YES",
"WKT=" + dstSpatial.ExportToWkt(),
"GEOTRANSFORM=" + string.Format("{0},{1},{2},{3},{4},{5}", prjSettings.OutEnvelope.MinX, resolutionX, 0, prjSettings.OutEnvelope.MaxY, 0, -resolutionY)
};
}
else
{
driver = "LDF";
options = LdfOptions(prjSettings, dstSpatial, resolutionX, resolutionY, dataIdentify);
List <string> opts = new List <string>(options);
opts.Add("BANDNAMES=" + BandNameString(prjSettings.OutBandNos));
options = opts.ToArray();
}
Size outSize = prjSettings.OutEnvelope.GetSize(resolutionX, resolutionY);
int bandCount = prjSettings.OutBandNos.Length;
string filename = prjSettings.OutPathAndFileName;
return(CreateOutFile(driver, filename, bandCount, outSize, DataType.GDT_Int16, options));
}
