[gdal-dev] PostGIS: COPY mode turned on

2014-05-10 Thread Even Rouault
Hi, I just wanted to inform that, per http://trac.osgeo.org/gdal/ticket/5460, I've turned on COPY mode, instead of INSERT, on newly created PostGIS tables, that should result in faster execution time, typically in ogr2ogr to PostGIS scenarios. Setting PG_USE_COPY=NO will revert to INSERT. In

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

2014-05-10 Thread Even Rouault
Hi, I'm wondering if there's some interest in standardizing a way of embedding georeferencing information in popular image formats like JPEG or PNG. I've just been doing an experiment with JPEG. My solution is to use a GeoTIFF box as specified in § 2.2 Box contents of

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

2014-05-10 Thread Etienne Tourigny
Hi Even, why not simply add the geotransform and WKT or PROJ.4 string as exif tags? simple to read outside of gdal (any exif reader will support this) and implement using libexif. just my 2 cents. Etienne On Sat, May 10, 2014 at 5:21 PM, Even Rouault even.roua...@mines-paris.orgwrote: Hi,

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

2014-05-10 Thread Even Rouault
Le samedi 10 mai 2014 23:31:30, Etienne Tourigny a écrit : Hi Even, why not simply add the geotransform and WKT or PROJ.4 string as exif tags? simple to read outside of gdal (any exif reader will support this) and implement using libexif. You would have to create new EXIF tags for that. The