[Gdal-dev] gdaltindex reports no prj defined, gdalinfo disagr ees, maybe

Matt.Wilkie Matt.Wilkie at gov.yk.ca
Tue Oct 14 12:19:26 EDT 2003


> Sorry for not responding sooner.  That's what you get for 
> asking a complicated question!

:)
 
> ... So, GDAL can read 
> the projection definition just fine, but it doesn't support 
> rendering files georeferenced via GCPs instead of a reference 
> point and pixel size.

Ahhhh. At least I know what is going on now.

> I don't know why the extents in the .txg are so noticably 
> different than the control georeferenced locations of the 
> control points themselves.  Ask ESRI. 

I will, count on it. Dunno what good it will do though. I've been asking so
many questions of them this year I suspect I get filed in the "crank" bit
bucket. ;-)

> PPS.  If you want to use this image with MapServer, just run 
> it through gdalwarp first.  This will resample the image 
> "north up" and you won't have to worry about control point issues.

Okay, I think this will work for us.

Take care,

-matt wilkie
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