[Qgis-user] How to run synchronously stable and unstable qgis versions

[Nikos Alexandris]

Nikos:
> >With grass it is possible to compile && install && run grass64,
> >grass65, grass7, etc. When compiling && installing qgis from source
> >it's always _one_ binary called qgis. How could I do with qgis the
> >same as I do with grass?


Martin:
> You can install qgis to different prefixes - e.g. ~/apps/qgis0.11/ and
> ~/apps/qgis1.0/
> Then just create symlinks for each installation:
> sudo ln -s ~/apps/qgis0.11/bin/qgis /usr/bin/qgis0.11

Right :-). Thanks.


> > P.S. My actual problem is that I am unable to use "old" qgis project
> > files. Is there a work-around or an import/convert old _qgs_ files?

> What's the problem with old project files? From some version (0.11 I
> think) there is a mechanism for transformations of old project files
> to newer ones. So you might try to find out, someone from the devs may
> be able to add the transformation :-)

Now I see... QGIS does open the old projects but I had to wait TOO long
cause it loads and renders _all_ layers !!? It does not reproduce the
the project at the saved state.

Best regards, Nikos