[gdal-dev] Re: Strange things with gdalwarp ...

[Even Rouault]

Selon Markus Neteler <neteler at osgeo.org>:

Hermann,

I'm not aware of any GDAL Trac ticket with the patch attached, some text
explaining why and when it is necessary/usefull, and ideally a step by step
scenario and sample data that demonstrates its usefulness. This is the general
procedure to submit enhancements & bug fixes, otherwise there's a high chance
the patch will be lost forever in the depths of mail boxes.

Best regards,

Even

> On Tue, Sep 1, 2009 at 8:39 AM, Hermann Peifer<peifer at gmx.eu> wrote:
> > Jukka Rahkonen wrote:
> >>
> >> Hermann Peifer <peifer <at> gmx.eu> writes:
> >>
> >>> Adam wrote:
> >>>>
> >>>> You can test with http://pastebin.com/m45e46f53
> >>>> Also remember to use -wo SKIP_NOSOURCE=YES
> >>>>
> >>> Adam,
> >>>
> >>> Will your patch appear in trunk/gdal/alg at some point in time?
> >>
> >>
> >> Hi,
> >>
> >> It would be very interesting to
> >> test the effect of this patch with JPEG2000 images ...
> >
> > There have been no recent changes to
> > http://trac.osgeo.org/gdal/browser/trunk/gdal/alg/gdalwarpoperation.cpp
> >
> > It looks like you and me are the only users interested in this patch which
> > makes gdalwarp so much faster, simply by avoiding warp operations on
> > irrelevant pixels.
>
> I am also interested but didn't have time to try (was on the road)...
> So we are at least three :)
>
> Markus
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