[gdal-dev] Reading ArcInfo binary grids with the R rgdalpackage fails with "GDAL Error 3: Attempt to read past EOF in..../arc.dir"

[Even Rouault]

Le Wednesday 22 July 2009 20:53:31 Jason Roberts, vous avez écrit :
> It sounds like you have figured out the problem. Is now the moment that I
> should contact the rgdal developers and ask them to build rgdal against the
> 1.6 branch?

It's up to them. I don't know what their policy is. I doubt though that they 
would build against an unreleased version.

>
> Currently it looks like rgdal is built against the 1.6.1 release. I'm not
> sure if they'll want to build against the current 1.6 branch or want to
> wait until 1.6.2.

> Do you know when 1.6.2 might be issued? 

No, nothing planned for the moment AFAIK

>
> Jason
>
> -----Original Message-----
> From: gdal-dev-bounces at lists.osgeo.org
> [mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of Even Rouault
> Sent: Wednesday, July 22, 2009 2:25 PM
> To: Gregory, Matthew
> Cc: gdal-dev at lists.osgeo.org
> Subject: Re: [gdal-dev] Reading ArcInfo binary grids with the R
> rgdalpackage fails with "GDAL Error 3: Attempt to read past EOF
> in..../arc.dir"
>
> Le Wednesday 22 July 2009 20:17:43 Gregory, Matthew, vous avez écrit :
> > > For people affected by the issue, not being able to build
> > > GDAL from source and not interested in the raster attribute
> > > table, they can just rename the 'info'
> > > directory, so it won't be read at all and won't trigger the error.
> > >
> > > See http://trac.osgeo.org/gdal/ticket/3031
> >
> > Um, this makes me really nervous to advocate renaming the INFO
> > directory, but maybe I'm overreacting.
>
> This is just a workaround for people stuck with a version affected by the
> issue.
>
> > I think your recent fix of not
> > calling ReadRAT() in AIGDataset::Open() eliminates this workaround,
> > correct?
>
> The workaround is still there, but yeah, the latest change in trunk makes
> it
>
> more or less useless.
>
> > Just as long as the user doesn't call GetDefaultRAT()?
>
> There's no point trying to read the RAT until it is really needed. And the
> entry point for it is GetDefaultRAT(), hence the late opening of the RAT
> through the AVC driver in this method.
>
> > matt
>
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