[DebianGIS] Re: [Qgis-user] ECW Licence
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I have heard pepole at Debian has analyzed the licence, and they found
it almost compatible with free redistribution.
Canop somebody clarify this?
I think this is a good candidate for a FAQ
Yves Jacolin ha scritto:
> I send an email in this list to know why qgis 0.8 can't read ecw file. Tim
> Sutton reply me that he was "still unclear if the
> licensing of ECW is compatible with GPL applications".
> I just read the SDK pages about the librairy :
> "You can **select one of the three simple** license agreements for use of this
> library (full license agreement text is available here and in the SDK
> * Free use license: A free license, providing unlimited
> read/500MB-per-image compression for ECW and JPEG 2000 in any application
> including commercial applications.
> * GPL-style license: A free license, providing unlimited read/unlimited
> compression for ECW and JPEG 2000 in any GPL style application.
> * Commercial license: Once off fee license with no royalties for
> commercial applications needing unlimited compression for ECW and JPEG
> So it seems possible to use a GPL-like licence for the librairy. In the
> licence.txt we can read :
> "Use of the ECW JPEG 2000 SDK with Unlimited Decompressing and Unlimited
> Compression for applications licensed under a GNU General Public style
> license ("GPL") is governed by the "ECW JPEG 2000 SDK PUBLIC USE LICENSE
> and :
> "The intent of this license is to establish **freedom to share** and change
> the software regulated by this license under the open source model and is
> applicable to the use of the ECW JPEG 2000 SDK with Unlimited Decompressing
> and Unlimited Compression for applications licensed under a GNU General
> Public style license ("GPL") as set out below.
> **This license applies to any use of the Software Product solely intended to
> develop or be distributed with products that are licensed under a license
> similar to a General Public License ("GPL") and at no charge to the public**.
> This license covers modification and distribution of the Software, use of
> third-party application programs based on the Software, and development of
> free software that uses the Software."
> I am not a guru about law and licence, but do you think this quote allow qgis
> team to distribute qgis with ecw librairy ?
> Sorry if I missed something !
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