Depending on how large an output file there are limitations in the file formats to consider. The older ecw library allows writing a file no larger than 500mb.the newer one you need a special license to write at all. The geotiff will by default not write as big tiff which will also limit output file size. Check the file formats page for details. On May 27, 2014 1:29 AM, "Chrishelring" <christianhelr...@gmail.com> wrote:
> hi, > > I´m trying to merge about 40 ecw files into one, using gdal_merge.py. it > seems to work (no error), but when I´m trying to open the file, it says, > "Unable to read header information: Cannot open file > c:\temp\ortofoto2007\ortofoto2007.ecw". > > I´m using GDAL 1.11.0 with the following command: > > C:\TEMP\ortofoto2007>python C:\osgeo4w\bin\gdal_merge.py -o > c:\temp\ortofoto2007 > \ortofoto2007.ecw --optfile c:\temp\ortofoto2007\orto07.txt > > Any help would really be appreciated. :) > > Christian > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/problems-with-merging-ecw-files-tp5142634.html > Sent from the GDAL - Dev mailing list archive at Nabble.com. > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev
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