/// <summary>
/// Reads the device information stored in the metafile stream.
/// </summary>
/// <returns>The device data.</returns>
protected override ImagingDevice ReadDeviceInternal()
{
XElement sceneSourceElement = _document.Element("Dimap_Document").Element("Dataset_Sources").Element("Source_Information").Element("Scene_Source");
// device information
String mission = sceneSourceElement.Element("MISSION").Value;
Int32 missionNumber = Int32.Parse(sceneSourceElement.Element("MISSION_INDEX").Value);
String instrument = sceneSourceElement.Element("INSTRUMENT").Value;
return(ImagingDevices.FromName(mission + missionNumber + " " + instrument).FirstOrDefault());
}
/// <summary>
/// Computes the spectral imaging scene data of the geometry.
/// </summary>
/// <returns>The spectral imaging scene data of the geometry.</returns>
protected override RasterImaging ComputeRasterImaging()
{
// DEPRECATED AEGIS SOLUTION
// the imaging data may be contained within the tags
if (_imageFileDirectories[_currentImageIndex].ContainsKey(57410) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57411) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57412) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57413) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57417) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57418) &&
_imageFileDirectories[_currentImageIndex].ContainsKey(57419))
{
ImagingDevice device = ImagingDevices.FromName(_imageFileDirectories[_currentImageIndex][57410][0].ToString()).FirstOrDefault();
if (device == null)
{
return(null);
}
DateTime imagingTime = DateTime.Parse(_imageFileDirectories[_currentImageIndex][57411][0].ToString(), CultureInfo.InvariantCulture.DateTimeFormat);
GeoCoordinate deviceLocation = new GeoCoordinate(Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57412][0]), Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57412][1]), Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57412][2]));
Double incidenceAngle = Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57413][0]);
Double viewingAngle = Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57413][1]);
Double sunAzimuth = Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57413][2]);
Double sunElevation = Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57413][3]);
GeoCoordinate[] imageLocation;
if (_imageFileDirectories[_currentImageIndex].ContainsKey(57420) && _imageFileDirectories[_currentImageIndex][57420].Length == 12)
{
Double[] imageLocationValues = _imageFileDirectories[_currentImageIndex][57420].Select(value => Convert.ToDouble(value)).ToArray();
imageLocation = new GeoCoordinate[]
{
new GeoCoordinate(imageLocationValues[0], imageLocationValues[1], imageLocationValues[2]),
new GeoCoordinate(imageLocationValues[3], imageLocationValues[4], imageLocationValues[5]),
new GeoCoordinate(imageLocationValues[6], imageLocationValues[7], imageLocationValues[8]),
new GeoCoordinate(imageLocationValues[9], imageLocationValues[10], imageLocationValues[11])
};
}
else
{
imageLocation = Enumerable.Repeat(GeoCoordinate.Undefined, 4).ToArray();
}
List <RasterImagingBand> bands = new List <RasterImagingBand>();
for (Int32 bandIndex = 0; bandIndex < device.Bands.Count &&
bandIndex < _imageFileDirectories[_currentImageIndex][57417].Length &&
bandIndex < _imageFileDirectories[_currentImageIndex][57418].Length &&
bandIndex < _imageFileDirectories[_currentImageIndex][57419].Length; bandIndex++)
{
bands.Add(new RasterImagingBand(device.Bands[bandIndex].Description,
Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57417][bandIndex]),
Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57418][bandIndex]),
Convert.ToDouble(_imageFileDirectories[_currentImageIndex][57419][bandIndex]),
device.Bands[bandIndex].SpectralDomain,
device.Bands[bandIndex].SpectralRange));
}
if (device != null)
{
return(new RasterImaging(device, imagingTime, deviceLocation, imageLocation, incidenceAngle, viewingAngle, sunAzimuth, sunElevation, bands));
}
}
// the imaging data may be contained in a metafile
if (_metafileReader != null)
{
try
{
return(_metafileReader.ReadImaging());
}
catch { }
}
return(null);
}
/// <summary>
/// Reads the device information stored in the metafile stream.
/// </summary>
/// <returns>The device data.</returns>
protected override ImagingDevice ReadDeviceInternal()
{
ReadContent();
return(ImagingDevices.FromName(_metadata["SPACECRAFT_ID"].Replace("_", String.Empty) + " " + _metadata["SENSOR_ID"]).FirstOrDefault());
}
