Dear friends,
Can you please give me an example of Selection by Attributes using OGR
library. In other words, I need an example of
OGRDataSource::ExecuteSQL(...).
With thanks,
Yours sincerely,
B. Ramesh
___
Jukka, Even,
Here is an example of ECW v2 with opacity.
https://trac.osgeo.org/gdal/ticket/6028
Regards.
Jacek Tomaka
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Even Rouault
Sent: Wednesday, 8 July 2015 8:08 PM
To: gd
Hi,
I have been using gdal raster Calculator because it is much faster (but less flexible) then QGIS internal calculator. I know that R has a raster package but I have seen reports of this being slow also. Look for R Raster package.
Of course, hopefully there may be a answer found here. If so,
Dear GDAL Developers:
I am doing raster calculation by reading the bands as numpy array, doing
numpy calculation, and writing back the numpy array. But seems pretty
slower, what is the faster way to do it?
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Le mercredi 08 juillet 2015 14:01:47, Jukka Rahkonen a écrit :
> Even Rouault spatialys.com> writes:
> > > GDAL ECW driver does not have support for this. I wonder if it could be
> > > doable and if I should make a feature request. I also wonder if GDAL
> > > can decode ECW files which have transp
Even Rouault spatialys.com> writes:
> >
> > GDAL ECW driver does not have support for this. I wonder if it could be
> > doable and if I should make a feature request. I also wonder if GDAL can
> > decode ECW files which have transparency mask correctly.
>
> Jukka,
>
> I'm a bit confused by the
Hi James,
As the server didn't provide information about levels, some help needed
to calculate this values. Also the all layers switched off, so we need
to tell which layers should be shown.
I create such xml file based on information from here:
https://map.bgs.ac.uk/arcgis/rest/services/UKSO/
Le mercredi 08 juillet 2015 12:46:27, Jukka Rahkonen a écrit :
> Hi,
>
> Nodata values with lossy compression like JPEG, ECW, or JPEG2000 do not
> really work. I noticed that newest ECW SDK versions (>= 4) have support for
> using a transparency mask:
>
> http://blog.hexagongeospatial.com/help-ec
Hi,
Nodata values with lossy compression like JPEG, ECW, or JPEG2000 do not
really work. I noticed that newest ECW SDK versions (>= 4) have support for
using a transparency mask:
http://blog.hexagongeospatial.com/help-ecw-speckled-edges/
"Using the ECWJP2 SDK terminology, a transparency mask is
