[Gdal-dev] convert HDF to TIF - georeferencing problems

[Pedro Oliveira]

Good Morning LIST

 

I'm trying to import HDF-SMI from MODIS to TiF, and i'm using the GDAL
FWTools application.

I'm using the following sintax for importing the hdf image in a batch
file that uses some variables to lock the file name:

 

GDAL_TRANSLATE -OF GTIFF %DIRIN%\%%X  %DIROUT%\%%~nX.TIF

 

Everything work's fine. The problem is the this:

The outpu image is a GeoTiff but it dosn't have lat/long georeferencing,
but has row/column info. Ive tried to use some paramenter like -t_srs or
-s_srs in gdalwarp but didn't work.

When i use gdalinfo i cn see that the HDF file dosn't have a explicit
geographical information, but the information has lat/long data.

 

Is there a way to import image and have the output file as lat/long
(wgs84) georefernced

 

I've download the image in the following URL

HDF-SMI:

http://oceancolor.gsfc.nasa.gov/cgi/level3.pl?DAY=08Aug2005&PER=&TYP=mac
hl&RRW=16

 

i've used a Chlorophyll (Aqua-MODIS) monthy 4km HDF file.

 

Tanks in advance by you help

Best regards

 

Pedro Oliveira

 

 




 

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