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Meteosatlib

Composite RGB using:
  • band IR_016 (1.5-1.78 µm, near infrared) for the red channel;
  • band IS_008 (0.74-0.88 µm, near infrared) for the green channel;
  • band VIS_006 (0.56-0.71 µm, orange-red) for the blue channel;
The resulting false colour image shows:
  • vegetation in green (higher reflection of channel VIS_008);
  • bare soil in pink-red (higher reflection of channels IR_016 and VIS_008) with intensity influenced by the water content of the ground
  • sea in dark blue (reflection of the band VIS_006 only).
Ice clouds and snow appear light blue, thanks to a higher reflectance of the bands VIS_006 and VIS_008. Water clouds appear white, after a similar reflection on all the three channels.
The image has been generated with this script.

C++ source code to read Meteosat Images in various formats.
Supported: OpenMTP OpenMTP-IDS HRI HRIT/LRIT.

This library is used to read Meteosat files on a PDUS receiving station. No decryption is performed. Files are expected to be already decrypted by using the EUMETSAT key unit, or to be transitted already in clear form.
Please refer to EUMETSAT for any information on European Meteorological Satellite projects.
The MSG HRIT/LRIT code depends on PublicDecompWT © 2004 EUMETSAT library from EUMETSAT for image decompression.

The library also include some useful code, like a collection of constants or conversion functions, and a xRIT access class that can compose together HRV image segments.

Some example programs are given in directory examples. They need NetCDF and ImageMagick libraries to compile.

The msat-gdal package provides GDAL drivers based on Meteosatlib, as well as a command line image display, crop, resize and conversion tool.

Use at Your own risk and for any purposes.
Feel free to contact us for any help-bug found.

Public Releases:

Meteosatlib

Enrico Zini enrico@enricozini.org
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