[Mapserver-users] GDAL Can't read JPEG files

[Frank Warmerdam]

Sean Kleinjung wrote:
> I went to terraserver and manually downloaded a map .jpeg, and ran
> gdalinfo on it. This gave me the following error:
> 
> ---------------------------------------------------------------------
> # ./gdalinfo test.jpg
> ERROR 4: `test.jpg' not recognised as a supported file format.
> 
> GDALOpen failed - 4
> `test.jpg' not recognised as a supported file format.
> ---------------------------------------------------------------------
> 
> Interestingly, .jpg is the output format I am using for my maps, and the
> above error is also displayed if I run gdalinfo on a .jpg that mapserver
> itself created.

Sean,

Can you provide me an example jpeg your gdalinfo can't read?  What
platform are you on?  I imagine this is a build configuration issue
since people use jpeg all the time with GDAL.

Also, I don't support GDAL 1.1.9 anymore.

> PS: Kind of off-topic, but I'm not really sure where this kind of thing
> should go. When I was poking around in the source, I noticed an error
> message that was a bit misleading. It looks like it was copied and
> pasted from the one above it. I suggest applying the attached diff to
> the 1.109 revision of mapraster.c to clarify this.

I have patched this in CVS.

Thanks,
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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