Re: [gdal-dev] problems with merging ecw files

2014-05-28 Thread Jean-Claude Repetto
Le 27/05/2014 08:28, Chrishelring a écrit : 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. Hi, Does the

Re: [gdal-dev] problems with merging ecw files

2014-05-28 Thread Even Rouault
Le mardi 27 mai 2014 08:28:41, Chrishelring a écrit : 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

Re: [gdal-dev] problems with merging ecw files

2014-05-28 Thread Simon Shak
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

[gdal-dev] problems with merging ecw files

2014-05-27 Thread Chrishelring
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: