[gdal-dev] [gdal-1.8.0] Get new Coordinates from Geotiff avoiding black area

[Brian Case]

Luiz,

do you have a url handy for the source code of that plugin?

Brian

On Tue, 2011-07-12 at 14:53 -0300, Luiz Motta wrote:
> Met,
> 
> I made a QGIS's plugin where calculate the 4 corners of polygon with
> the real pixels inside. Maybe is useful for you.
> The name of plugin is "Image Boundary", The source is Python and use
> only GDAL library for process.
> 
> Best regards,
> Luiz Motta
> 
> 2011/7/12 Chaitanya kumar CH <chaitanya.ch at gmail.com>:
> > Mett,
> >
> > If I understand correctly, you need to remove the black borders of geotiff
> > and reset the corner coordinates. GDAL's nearblack utility[1] might be of
> > help to you.
> >
> > [1]: http://www.gdal.org/nearblack.html
> >
> > On Tue, Jul 12, 2011 at 9:37 PM, mett <mettbest at gmail.com> wrote:
> >>
> >> Hello Everybody!
> >> Does somebody know if there is a smart way to get the coordinates of a
> >> GeoTiff of the real data (avoinding the black background)? I mean, I have
> >> the geocoordinates of the image, but they are not referred to the "Real"
> >> data of the image but just to its corners. I know that I can use gdalwarp
> >> to
> >> set trasparency of black area, but I think it is not suitable to re-set
> >> the
> >> coordinates.
> >>
> >> Thank you for any help!
> >> Mett
> >>
> >> --
> >> View this message in context:
> >> http://osgeo-org.1803224.n2.nabble.com/gdal-1-8-0-Get-new-Coordinates-from-Geotiff-avoiding-black-area-tp6575681p6575681.html
> >> Sent from the GDAL - Dev mailing list archive at Nabble.com.
> >> _______________________________________________
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> >> gdal-dev at lists.osgeo.org
> >> http://lists.osgeo.org/mailman/listinfo/gdal-dev
> >
> >
> >
> > --
> > Best regards,
> > Chaitanya kumar CH.
> >
> > +91-9494447584
> > 17.2416N 80.1426E
> >
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