[Qgis-user] ECW on Ubuntu

[Carlos Cerdán]

Thank you very much Richard.

After reading (and trying) your link, I've been looking for more recent
help. I found this:

[1] How to install QGis with ECW Support on Linux

As there isn't libgdal-ecw-src on last ubuntugis repository, when [1] says
"sudo apt-get install libgdal-ecw-src",  I've tried install it following:

[2]  libecw building for gdal

I'm not sure about [2]. Is it the way to install libecw compiling it?.
After that, It's supposed that libgdal-ecw-src is installed but I can't
find it in Synaptic.

After this, I've returned to [1], doing:

sudo gdal-ecw-build /usr/local/ecwjp2_sdk
gdalinfo --formats | grep -i ecw

On last step, I don't got any response, and QGIS can't still load ECW images

Some extra advice?

Regards

Carlos Cerdán

[1]
http://makina-corpus.com/blog/metier/2013/howto-install-qgis-with-ecw-support-on-linux

[2] https://gist.github.com/fritzvd/5867088






2015-11-04 4:54 GMT-05:00 Richard Duivenvoorde <rdmailings at duif.net>:

> On 03-11-15 16:08, Carlos Cerdán wrote:
> > Hi list:
> >
> > What about ecw support for QGIS 2.12 on Ubuntu?
> >
> > Looking for it I've found that it's not (yet) supported (
> >
> http://gis.stackexchange.com/questions/158724/is-it-possible-to-import-ecw-images-into-qgis-2-10-for-ubuntu
> > )
> >
> > Any advice to get ecw reading on 2.12 on Ubuntu?
>
> Hi Carlos,
>
> you have to get hold of a GDAL library which has ecw support compiled in
> it. The ecw lib is closed source and GDAL may not be made available as
> binary with it. So compile yourself, and as soon as GDAL is able to read
> ecw (only read is supported) then QGIS is able to read.
>
> Some years ago I have been able to do this with the following link:
>
> https://lists.osgeo.org/pipermail/qgis-user/2011-July/012724.html
>
> (you have to google for the ecw libs though)
> I have not yet been able to compile with newer ecw version.
>
> Regards,
>
> Richard Duivenvoorde
>
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