[gdal-dev] How to get some special metadata of HDF5 Cosmo-Skymed file

[RSyaoxin]

Hi,all.
      I want to calibrate the Cosmo-Skymed radar data, and I need some
parameters, such as "Calibration Constant","Rescaling Factor","Reference
Incidence Angle" and so on.However,I'm a beginner,I don't know how to get
HDF5 metadata,Somebody can give me a tutorial in c or c++?
      Furthermore,I used HDFView to see the file's metadata and found that
these information is stored in the metadata corresponding to the "root" of
the file, I try to use gdalinfo to get the file's metadata  and can't find
it.That's why?

      Subdatasets:

SUBDATASET_1_NAME=HDF5:"D:\CSKS3_GEC_B_WR_01_VV_RD_SF_20100720100133_20100720100148.h5"://MBI
  SUBDATASET_1_DESC=[9028x12156] //MBI (16-bit unsigned integer)
 
SUBDATASET_2_NAME=HDF5:"D:\CSKS3_GEC_B_WR_01_VV_RD_SF_20100720100133_20100720100148.h5"://QLK
  SUBDATASET_2_DESC=[902x1215] //QLK (8-bit unsigned character)

I hope to get some help.Thank you!
Kind regards.



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