I have some trouble getting some meta data using DIMAP Driver. gdalinfo --version > GDAL 1.6.0dev, FWTools 2.2.8, released 2008/10/29 >
Sample data can be found here : ftp://ftp.dmcii.com/samples/32m_MS_L1R/DN000340T_L1R.zip The meta data file contains this data : ... > <Image_Interpretation> > <Spectral_Band_Info> > <BAND_INDEX>1</BAND_INDEX> > <BAND_DESCRIPTION>NIR</BAND_DESCRIPTION> > <PHYSICAL_GAIN>0.6376299283778701</PHYSICAL_GAIN> > <PHYSICAL_BIAS>0.0642515909964508</PHYSICAL_BIAS> > <PHYSICAL_UNIT>W/m2/sr/m-6</PHYSICAL_UNIT> > </Spectral_Band_Info> > <Spectral_Band_Info> > <BAND_INDEX>2</BAND_INDEX> > <BAND_DESCRIPTION>RED</BAND_DESCRIPTION> > <PHYSICAL_GAIN>0.6190674084836884</PHYSICAL_GAIN> > <PHYSICAL_BIAS>0.0666344554873623</PHYSICAL_BIAS> > <PHYSICAL_UNIT>W/m2/sr/m-6</PHYSICAL_UNIT> > </Spectral_Band_Info> > <Spectral_Band_Info> > <BAND_INDEX>3</BAND_INDEX> > <BAND_DESCRIPTION>GREEN</BAND_DESCRIPTION> > <PHYSICAL_GAIN>0.717558361863802</PHYSICAL_GAIN> > <PHYSICAL_BIAS>0.019273652406175568</PHYSICAL_BIAS> > <PHYSICAL_UNIT>W/m2/sr/m-6</PHYSICAL_UNIT> > </Spectral_Band_Info> > </Image_Interpretation> > ... > And gdalinfo outputs : >gdalinfo DN000340T_L1R.dim > Driver: DIMAP/SPOT DIMAP > ... > Metadata: > ... > SPECTRAL_BAND_INDEX=1 > SPECTRAL_BAND_DESCRIPTION=NIR > SPECTRAL_PHYSICAL_GAIN=0.6376299283778701 > SPECTRAL_PHYSICAL_BIAS=0.0642515909964508 > SPECTRAL_PHYSICAL_UNIT=W/m2/sr/m-6 > ... > The problem is that there is spectral info only for first band. I would like to see the data for each band. I also made a C++ program using the API ( GDALDataset::GetMetadata and GDALRasterBand::GetMetadata )giving no more results. Is there some turn-around to get the meta-data using the driver ? Should I submit a bug ? Thank you for your reply. Guillaume.
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