[gdal-dev] Convert in-memory raster

2014-05-12 Thread Baker, Anthony W
I am interested in registering two images together. In order to do that I would like to align the coordinate frames, the pixel sizes, and the rotation of the two frames. Is there an easy in-memory method for doing this? Thank you, Anthony ___

Re: [gdal-dev] Idea: GeoTIFF box in JPEG to add georeferencing

2014-05-12 Thread Etienne Tourigny
Right, I didn't think of the need to create new EXIF tags. I think it is a good idea to use existing GTIFF tags to encode this information. On the other hand, the method used in jpeg files should ideally be the same used in other formats (e.g. png, gif) for which it is possible to add extra

Re: [gdal-dev] Idea: GeoTIFF box in JPEG to add georeferencing

2014-05-12 Thread Even Rouault
Le lundi 12 mai 2014 21:15:35, Etienne Tourigny a écrit : Right, I didn't think of the need to create new EXIF tags. I think it is a good idea to use existing GTIFF tags to encode this information. On the other hand, the method used in jpeg files should ideally be the same used in other

Re: [gdal-dev] Idea: GeoTIFF box in JPEG to add georeferencing

2014-05-12 Thread Peter Baumann
PS: not sure all on this list are aware of this overview page: http://external.opengeospatial.org/twiki_public/CoveragesDWG/CoveragesBigPicture -Peter On 05/12/2014 11:38 PM, Peter Baumann wrote: Hi all, just saw this, thought I'd chime in being the editor of GMLCOV :) Any questions, I'll

Re: [gdal-dev] Idea: GeoTIFF box in JPEG to add georeferencing

2014-05-12 Thread Rahkonen Jukka (Tike)
Hi, This is just a small detail and I may be wrong, but I fear that axisLabels element does not universally remove the need to go to the database because there are systems which use X and Y as axis names, but the meaning of X and Y can be different. For example for EPSG:3857 X means Easting