[gdal-dev] translate ecw to geotiff + tfw

[Even Rouault]

Le mercredi 13 juin 2012 20:17:25, Steve G a écrit :
> I am attempting to use the translate function to convert from ecw to
> geotiff and the creation of an associated tfw file.  The geotiff is
> created, but it fails to create the tfw file.  I've tried many times, but
> always fails.  My syntax is as follows:
> 
> gdal_translate -a_srs EPSG:2227 -co tfw=yes -of GTiff
> R:/GIS/GIS_Data/Aerials/65123.ecw R:/GIS/GIS_Data/Aerials/65123.tif
> 
> When I do a similar operation with a sid file, the tfw is created.  Has
> anyone else experienced this problem with translating an ecw file type? 
> Any suggestions?

I suspect that your ecw file has no associated geotransform matrix, which is 
needed to write a TFW file. This could be confirmed if you post the output of 
gdalinfo on your ecw file.

> 
> Thanks in advance.
> 
> Steve
> 
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