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

[Jukka Rahkonen]

Even Rouault <even.rouault <at> mines-paris.org> writes:

...

> > In light of this, it may be better to use an xml or textual representation
> > and embed it inside an XMP block, which is supported for many formats[1].
> > Also it would allow for easier human-reading.
> 
> Yes, that's one possibility. Which comes back to GMLJP2 unless there are
other 
> standards...
> 
> I'd want to build on something that is a "real" standard or a de-facto 
> standard, but not reinvent everything from scratch.

What GMLJP2 gives as a bonus is the axis order trouble and not totally clear
interpretation if origin is in the centre (probably it is) or in the corner
of a pixel, and rectified grid does not support ground control points. Thus
GMLJP2 is at least not better in everything, it has also drawbacks.

-Jukka Rahkonen-