[Merkaartor] geotagged images

[Timo Schlüßler]

I thought about geotagged images as Urlichs wrote and started yesterday 
a simple implementation. It works alright, but I have to test it a 
little bit more and then I will supply you with a patch.

Timo

Chris Browet wrote:
> Ah OK, sorry for the semantic mistake. I'm interested in things like 
> GeoTiff which would allow to display some aerial photos or maps in the 
> background.
>
> Showing a photo of where the mapper has been is definitely something 
> totally different and probably easier to implement. Just the GUI for 
> it could be tricky.
>
> - Chris -
>
> 2008/8/19 Matthias Urlichs <smurf at smurf.noris.de 
> <mailto:smurf at smurf.noris.de>>
>
>     Hi,
>
>     [ geotagged images ]
>
>     Chris Browet:
>     > All I really need is a function taking as input a GDAL supported
>     file name
>     > and as output a QPixmap and the lat/lon of its 4 corners.
>     >
>     Uh, what?  I think we're talking at cross prposes here.
>
>     A geotagged image is a camera picture (JPEG usually) which contains
>     geospatial coordinates in its metadata (EXIF) to locate the place
>     (and,
>     if known, direction) where the picture was taken. When mapping, I
>     use these images to show where I've been (street names, work to be
>     done); after a vacation, tagges pictures uploaded to Panoramio show up
>     in Google Earth.
>
>     GDAL is a library to create / convert vector and bitmap files
>     which show
>     maps. GDAL images cover a range of coordinates (hence four coordinates
>     of the corners). They're calculated from map data or aerial
>     photography.
>
>     Different ideas entirely.
>
>     What we're talking about is the first idea, "geotagged images".
>     I fail to see why you'd want to use GDAL for that.
>
>     GDAL support would be cool, too, but for entirely different reasons
>     (I could use a high-res scan of a map as a background; that would be
>     very helpful for mapping, assuming the map's copyright doesn't forbid
>     this).
>
>     --
>     Matthias Urlichs   |   {M:U} IT Design @ m-u-it.de
>     <http://m-u-it.de>   |  smurf at smurf.noris.de
>     <mailto:smurf at smurf.noris.de>
>     Disclaimer: The quote was selected randomly. Really. |
>     http://smurf.noris.de
>      - -
>     Ozman's Laws:
>            (1)  If someone says he will do something "without fail,"
>     he won't.
>            (2)  The more people talk on the phone, the less money they
>     make.
>            (3)  People who go to conferences are the ones who shouldn't.
>            (4)  Pizza always burns the roof of your mouth.
>
>
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