Re: [gdal-dev] gdal_merge.py alpha mask

2010-06-30 Thread Stefan Klug
ur patch. Done... http://trac.osgeo.org/gdal/ticket/3669 Regards Stefan On Tue, Jun 29, 2010 at 8:19 PM, Stefan Klug <mailto:klug.ste...@gmx.de>> wrote: Hi, gdal_merge.py doesn't handle tiff files with alpha masks so I've added this functionality.

[gdal-dev] gdal_merge.py alpha mask

2010-06-29 Thread Stefan Klug
Hi, gdal_merge.py doesn't handle tiff files with alpha masks so I've added this functionality. My patch changes the behaviour of gdal_merge as follows: - If a band is recognized as Alpha Band it is automatically treated as having a NODATA value of 0. I'm not sure if this is the way to go. But