[Qgis-developer] Qgis Library Tutorial

Tim Sutton tim at linfiniti.com
Tue Sep 5 14:58:12 EDT 2006


Hi

Ah well spotted! That will probably make the 'cant find srs.db
messages go away too...

Thanks

Tim

On 9/5/06, Francis Bolduc <fbolduc at gmail.com> wrote:
> Good post on your blog! I think it will really help people who are
> looking into qgis for the first time.
>
> Also, I have a comment. If one wants to use qgis libraries after
> having installed qgis, I would rather suggest beginning the
> application with:
>
>   QgsApplication app(argc, argv, TRUE);
>
> Rather than:
>
>   QApplication app(argc, argv);
>
> Because QgsApplication, once instanciated, gives you access to the
> plugin path. So instead of doing this:
>
>   QString myPluginsDir = "/home/timlinux/apps/lib/qgis";
>   QgsProviderRegistry::instance(myPluginsDir);
>
> You can actually do it more simply like this:
>
>   QgsProviderRegistry::instance(QgsApplication::pluginPath());
>
>
> Anyway, good job!
>
>
> On 9/5/06, Tim Sutton <tim at linfiniti.com> wrote:
> >
> > Hi
> >
> > http://blog.qgis.org/?q=node/10
> >
> > Thanks again Francis!
> >
> > Regards
> >
> > Tim
> >
> >
> > On 04/09/2006, at 19:51, Francis Bolduc wrote:
> >
> >
> > As requested by timlinux, here is a simple project demonstrating how
> > to use the Qgis library to create custom application. It consists of a
> > single Widget containing a MapCanvas containing a PostGIS layer.
> > Please feel free to copy/distribute/modify it as you want.
> >
> >
> > The .pro file should be modified to suit your configuration.
> > <main.cpp>
> > <tutorial.pro>_______________________________________________
> > Qgis-developer mailing list
> > Qgis-developer at lists.qgis.org
> > http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-developer
> >
> >
> > --
> > Tim Sutton
> >
> > Visit http://qgis.org for a great Open Source GIS
> > Home Page: http://linfiniti.com
> > Skype: timlinux
> > MSN: tim_bdworld at msn.com
> > Yahoo: tim_bdworld at yahoo.com
> > Jabber: timlinux
> > Irc: timlinux on #qgis at freenode.net
> >
> >
> >
> >
>


-- 
-- 
Tim Sutton

Visit http://qgis.org for a great Open Source GIS
Home Page: http://linfiniti.com
Skype: timlinux
MSN: tim_bdworld at msn.com
Yahoo: tim_bdworld at yahoo.com
Jabber: timlinux
Irc: timlinux on #qgis at freenode.net



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