[gdal-dev] MOD13C2 assign coord. sist.

[Eloi]

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On 09/06/2013 01:38 PM, Jose Gomez-Dans wrote:
> On 6 September 2013 11:33, Eloi <eloi at openmailbox.org> wrote:
> 
>> Assigning EPSG:4326 nothing comes up when loading the image with 
>> others data in EPSG:4326.
>> 
> 
> You are right, the data is missing georeference information: $
> gdalinfo 
> 'HDF4_EOS:EOS_GRID:"MOD13C2.A2000032.005.2006272104028.hdf":MOD_Grid_monthly_CMG_VI:CMG
>
> 
0.05 Deg Monthly NDVI'
> [snip snip snip] Corner Coordinates: Upper Left  (  -1.0000000,
> -1.0000000) Lower Left  (  -1.0000000,  -1.0000000) Upper Right (
> -1.0000000,  -1.0000000) Lower Right (  -1.0000000,  -1.0000000) 
> Center      (  -1.0000000,  -1.0000000)
> 
> So you are right, you need to specify it. This works $
> gdal_translate -of GTiff  -a_srs "EPSG:4326" -a_ullr -180 90 180
> -90 \ 
> 'HDF4_EOS:EOS_GRID:"MOD13C2.A2000032.005.2006272104028.hdf":MOD_Grid_monthly_CMG_VI:CMG
>
> 
0.05 Deg Monthly NDVI' ndvi.tif
> 
> Cheers, Jose
> 

Yes, but is this the right way of doing it? Because basically with
a_llur option the image is being gereferenced and it may create some
distortions, I am correct? Nevertheless the result is quit good.
Eloi
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