[gdal-dev] TRMM in GDAL?

[Frank Warmerdam]

Yann Chemin wrote:
> Hello I am trying to convert TRMM 2B31 from HDF into anything more
> common for processing (Gtiff, HFA, ...)
> 
> Basically gdalinfo returns this:
> 
> yann at gis4400:~/TRMM$ gdalinfo 2B31.070101.52014.6.HDF
> Driver: HDF4/Hierarchical Data Format Release 4
> Size is 512, 512
> Coordinate System is `'
> 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)

Yann,

The above sounds like the bogus parent dataset.  Were there
subdatasets?  If so, do a gdalinfo on them and see if they have
meaningful georeferencing.

If there are subdatsets but they lack georeferencing, you may
find you can use "-a_ullr -180 40 180 40" on a gdal_translate line
to assign the following bounds as part of a translation.

Best regards,

> while in the  2B31.070101.52014.6.HDF.XML:
> <SpatialDomainContainer>
>     <HorizontalSpatialDomainContainer>
>       <BoundingRectangle>
>         <WestBoundingCoordinate>-180</WestBoundingCoordinate>
>         <NorthBoundingCoordinate>40</NorthBoundingCoordinate>
>         <EastBoundingCoordinate>180</EastBoundingCoordinate>
>         <SouthBoundingCoordinate>-40</SouthBoundingCoordinate>
>       </BoundingRectangle>
>     </HorizontalSpatialDomainContainer>
>   </SpatialDomainContainer>
> 
> Any suggestion please?
> Yann
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