[Gdal-dev] CADRG Problem

[Frank Warmerdam]

On 8/17/05, Alan Ott <alan at signal11.us> wrote:
> Hello,
> 
> I have just recently started using GDAL to view CADRG data. I have
> several sets of data, and GDAL is able to load some of them perfectly. I
> am having trouble, however, with the data I downloaded from
> http://www.aeroplanner.com/cadrg/ (click the "Sample CADRG (2.78MB)" for
> a zip file). I put one of the files here
> (http://www.signal11.us/~alan/001DR00B.LF2) for download convenience.
> 
> The files load fine in Rockware's Global Mapper software
> (http://www.rockware.com . free trial download available), but produce
> weird images in my application. The weird images I get correlate with
> images produced by OSSIM's ivew and OpenEV 1.8 In (which uses
> GDAL).terestingly, ivew and OpenEV Seem to produce very similar images
> to one another (while not correct).
> 
> You can see screenshots here:
> http://www.signal11.us/~alan/openev.png (Screenshot from OpenEV)
> http://www.signal11.us/~alan/globalmapper.png (Screenshot from Global
> Mapper)
> 
> I don't currently have a pressing need to be able to view these
> particular files, so consider this somewhat of a bug report, although
> it's hard to say what kind of data I may need to view in the future.

Alan,

I have confirmed your results though I'm still not clear what is happening.
I have submitted a bug report on the issue.  You might want to add yourself
to the cc list. 

  http://bugzilla.remotesensing.org/show_bug.cgi?id=913

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent