[OSM-talk] ping OpenAerialMap

Jukka Rahkonen jukka.rahkonen at mmmtike.fi
Sun Oct 12 09:48:36 BST 2008


andrew <list <at> sylva.icuklive.co.uk> writes:

> 
> On Thursday 09 October 2008 16:20:56 Richard Fairhurst wrote:
> > Concerns were  
> > expressed that some OAM content had been georeferenced by use of  
> > Google Maps.
> 
> So should all georeferencing be done by visiting control points with 
> a gps?
> 
> I've some aerial photos that I need to find how to georeference, 4MB 
> jpegs and 17 overlapping tiles, is there a program you can 
> recommend?


Could you tolerate a non-integrated system and measure pixel coordinates and
corresponding true world coordinates with a separate program and feed in these
ground control points from command line? In this case you could use
gdal-programs (gdal_translate and gdalwarp) and get a single mosaiced
georeferenced image.  Download FWTools package, it includes both gdal tools and
OpenEV Viewer that can be used for defining ground control points.






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