Hi all,

I am trying to use gdal and r.in.gdal to read MODIS/HDF4 following the 
instructions at http://grass.osgeo.org/wiki/MODIS but I am obviously doing 
something wrong ☺ 

Help and suggestions are most appreciated.

Cheers,

Torkild

-----------------
gdalinfo MOD13Q1.A2006129.h18v01.005.2008321145449.hdf

Driver: HDF4/Hierarchical Data Format Release 4
Files: MOD13Q1.A2006129.h18v01.005.2008321145449.hdf
Size is 512, 512
Coordinate System is `'

*Metadata deleted*

  DAYSPROCESSED=2006129, 2006130, 2006131, 2006132, 2006133, 2006134, 2006135, 
2006136, 2006137, 2006138, 2006139, 2006140, 2006141, 2006142, 2006143, 2006144
  PRODUCTIONTYPE=Regular Production [1-16,17-32,33-48,...353-2/3]
  QA_STRUCTURE_STYLE=C5 or later
Subdatasets:
  
SUBDATASET_1_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days NDVI
  SUBDATASET_1_DESC=[4800x4800] 250m 16 days NDVI MODIS_Grid_16DAY_250m_500m_VI 
(16-bit integer)
  
SUBDATASET_2_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days EVI
  SUBDATASET_2_DESC=[4800x4800] 250m 16 days EVI MODIS_Grid_16DAY_250m_500m_VI 
(16-bit integer)
  
SUBDATASET_3_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days VI Quality
  SUBDATASET_3_DESC=[4800x4800] 250m 16 days VI Quality 
MODIS_Grid_16DAY_250m_500m_VI (16-bit unsigned integer)
  
SUBDATASET_4_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days red reflectance
  SUBDATASET_4_DESC=[4800x4800] 250m 16 days red reflectance 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_5_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days NIR reflectance
  SUBDATASET_5_DESC=[4800x4800] 250m 16 days NIR reflectance 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_6_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days blue reflectance
  SUBDATASET_6_DESC=[4800x4800] 250m 16 days blue reflectance 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_7_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days MIR reflectance
  SUBDATASET_7_DESC=[4800x4800] 250m 16 days MIR reflectance 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_8_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days view zenith angle
  SUBDATASET_8_DESC=[4800x4800] 250m 16 days view zenith angle 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_9_NAMEg=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days sun zenith angle
  SUBDATASET_9_DESC=[4800x4800] 250m 16 days sun zenith angle 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_10_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days relative azimuth angle
  SUBDATASET_10_DESC=[4800x4800] 250m 16 days relative azimuth angle 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_11_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days composite day of the year
  SUBDATASET_11_DESC=[4800x4800] 250m 16 days composite day of the year 
MODIS_Grid_16DAY_250m_500m_VI (16-bit integer)
  
SUBDATASET_12_NAME=HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI:250m
 16 days pixel reliability
  SUBDATASET_12_DESC=[4800x4800] 250m 16 days pixel reliability 
MODIS_Grid_16DAY_250m_500m_VI (8-bit integer)
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,  512.0)
Upper Right (  512.0,    0.0)
Lower Right (  512.0,  512.0)
Center      (  256.0,  256.0)


----------------------

gdal_translate 
HDF4_EOS:EOS_GRID:"MOD13Q1.A2006129.h18v01.005.2008321145449.hdf":MODIS_Grid_16DAY_250m_500m_VI
 slett.tif
Input file size is 0, 0
Input file has no bands, and so cannot be translated.

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