[GRASS-user] Retrieving Subsets names from gdalinfo with Python

[Nikos Dumakis]

Thanks but I don't have that module installed :(
What I mean was to run gdalinfo directly and have a variable to store the
result from gdalinfo...

By the way, where can I find that python module (osgeo)?

2010/2/25 Νίκος Αλεξανδρής <nikos.alexandris at felis.uni-freiburg.de>

> On Thu, 2010-02-25 at 17:26 +0000, Jose Gomez-Dans wrote:
> > Hi,
> >
> > On 25 February 2010 16:32, Nikos Dumakis <nikosdu1980 at gmail.com>
> > wrote:
> >         I'm doing/trying a Python Script to retrieve MODIS subset
> >         names using GDALinfo.
> >         1- is there any Script already developed in GRASS- python to
> >         retrieve subset names using GDALINFO
> >         2- If not, how can I store in a variable the result from
> >         GDALinfo?
> >
> > It's quite easy to do this with the GDAL python bindings (presumably
> > installed if you bothered to install gdalinfo). GetSubDatasets()
> > returns a list where each element is the dataset name and the
> > description
> >
> > hands on example ;)
> >
> >  In [1]: from osgeo import gdal
> >
> > In [2]: g=gdal.Open("MOD09GA.A2009270.h21v10.005.2009272135254.hdf")
> >
> > In [3]: g.GetSubDatasets()
> >
> > Out[3]:
> >
> [('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:num_observations_1km',
> >   '[1200x1200] num_observations_1km MODIS_Grid_1km_2D (8-bit
> > integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:state_1km_1',
> >   '[1200x1200] state_1km_1 MODIS_Grid_1km_2D (16-bit unsigned
> > integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:SensorZenith_1',
> >   '[1200x1200] SensorZenith_1 MODIS_Grid_1km_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:SensorAzimuth_1',
> >   '[1200x1200] SensorAzimuth_1 MODIS_Grid_1km_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:Range_1',
> >   '[1200x1200] Range_1 MODIS_Grid_1km_2D (16-bit unsigned integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:SolarZenith_1',
> >   '[1200x1200] SolarZenith_1 MODIS_Grid_1km_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:SolarAzimuth_1',
> >   '[1200x1200] SolarAzimuth_1 MODIS_Grid_1km_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:gflags_1',
> >   '[1200x1200] gflags_1 MODIS_Grid_1km_2D (8-bit unsigned integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_1km_2D:orbit_pnt_1',
> >   '[1200x1200] orbit_pnt_1 MODIS_Grid_1km_2D (8-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:num_observations_500m',
> >   '[2400x2400] num_observations_500m MODIS_Grid_500m_2D (8-bit
> > integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b01_1',
> >   '[2400x2400] sur_refl_b01_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b02_1',
> >   '[2400x2400] sur_refl_b02_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b03_1',
> >   '[2400x2400] sur_refl_b03_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b04_1',
> >   '[2400x2400] sur_refl_b04_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b05_1',
> >   '[2400x2400] sur_refl_b05_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b06_1',
> >   '[2400x2400] sur_refl_b06_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:sur_refl_b07_1',
> >   '[2400x2400] sur_refl_b07_1 MODIS_Grid_500m_2D (16-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:QC_500m_1',
> >   '[2400x2400] QC_500m_1 MODIS_Grid_500m_2D (32-bit unsigned
> > integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:obscov_500m_1',
> >   '[2400x2400] obscov_500m_1 MODIS_Grid_500m_2D (8-bit integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:iobs_res_1',
> >   '[2400x2400] iobs_res_1 MODIS_Grid_500m_2D (8-bit unsigned
> > integer)'),
> >
>  ('HDF4_EOS:EOS_GRID:"MOD09GA.A2009270.h21v10.005.2009272135254.hdf":MODIS_Grid_500m_2D:q_scan_1',
> >   '[2400x2400] q_scan_1 MODIS_Grid_500m_2D (8-bit unsigned integer)')
> >
>
> (You are too fast Jose ;-)
>
> I have also something in bash (just in case...).
> Regards, Nikos Al.
>
>
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