[Gdal-dev] Trapping coordinate transformation errors gracefully

[Tim Sutton]

Hi

Many thanks your advice was spot on! Commenting out our exception handlers 
removed seqfaulting problem.

Best regards

Tim

On Tuesday 11 January 2005 00:55, Frank Warmerdam wrote:
> On Tue, 11 Jan 2005 00:30:18 +0000, Tim Sutton <tim at linfiniti.com> wrote:
> > Dear Frank
> >
> > Many thanks for your reply. I am still getting similar problems after
> > following your suggestion...any other suggestions will be much
> > appreciated. Also how do I use an error handler which does print to
> > std::cout ?
> >
> > Many thanks for your help
>
> Tim,
>
> OK, there are a few issues here.  One is the error handling.   I
> didn't see any output from the GDAL error code in your new output so
> as far as i can tell the CPLQuietErrorHandler worked fine.   If you want
> to implement a custom error handler that is quite easy too.  You might
> want to read this over:
>
>   http://www.gdal.org/cpl__error_8h.html#a23
>
> The second issue is that the transformation is failing sometimes.  I
> am assuming it is failing for decent reasons.  If you believe that it is
> not, let me know and we could likely dig into it.
>
> Finally there is the crash, but as I mentioned, as far as I can tell
> your application is crashing because you are throwing an exception
> with no handler.  That has nothing to do with me.  If you don't want it
> to crash either add an exception handler or stop throwing the
> exception and fail out gracefully.
>
> Best regards,

-- 

Procrastination 
"Hard Work Often Pays Off After Time, but Laziness Always Pays Off Now."