[Qgis-user] [Qgis-developer] Automatizing map making

[G. Allegri]

Hi Pedro,
I'm using the composer + Atlas plugin to automate the creation of map
series. These weeks the Atlas is undergoing a refactoring and the porting
to C++, with more features then the current Python version. It sould come
out during next one/two months.

giovanni


2012/9/18 Tim Sutton <lists at linfiniti.com>

> Hi
>
> On Tue, Sep 18, 2012 at 1:07 AM, Pedro Camargo <veigacamargo at gmail.com>
> wrote:
> > Hi,
> >      I have been using QGIS for a few months now after almost a decade
> using
> > Maptitude and TransCAD (from Caliper Corporation).
> >
> >      Now that I already know how to get around pretty well with QGIS, I
> want
> > to use it to production of series of maps (from a few dozens to hundreds
> at
> > a time).
> >
> >      My current problem is to make simple maps with graduated style and
> > fixed classes for several different fields on the database.
> >
> >    Looking at the PyQGIS documentation helped a bit, but I got several
> > errors like "NameError: name 'QtGui' is not defined" and for many other
> > names/libraries in the sample code I used, so I'm pretty sure that I have
> > something missing that was not mentioned in the documentation or that I
> > missed.
> >
> >    Further, I'm interested in making maps with fields that are not in the
> > database, so I need to make a join too (which is not mentioned anywhere
> in
> > the documentation I saw).
> >
> >     I would imagine that there is a way to open a project, change
> something
> > (like the fields for the graduate rendenring), update the map composer
> and
> > save the jpg, but I didn;t see anything like that...
> >
> >     Did anybody face a situation like this? Any recomendations?  Any
> sample
> > code you could share?
> >
>
> Here is a nice code sample of creating a complex map using QGIS 1.8 api.
>
> https://github.com/AIFDR/inasafe/blob/master/safe_qgis/map.py
>
> Also look at the source of the Atlas plugin. Note that in master
> things get considerably easier for creating a map in python since you
> can use a lot more templating etc. There are some unit tests which
> should provide a nice reference guide:
>
>
> https://github.com/qgis/Quantum-GIS/blob/master/tests/src/python/test_qgscomposermap.py
>
> https://github.com/qgis/Quantum-GIS/blob/master/tests/src/python/test_qgscomposerhtml.py
>
> It is better to write coding related questions to the dev list in my
> opinion. It would alse be good if you mentioned what OS and QGIS
> versions you are using when you write such emails so that we can give
> you platform specific advice. It looks very much like the Qt4 python
> modules are not in your path or are not installed.
>
> Regards
>
> Tim
>
>
>
> > Thanks for the help,
> >
> > Pedro
> > UC Irvine
> >
> >
> >
> >
> > PS - Sorry for posting in two lists, but I really have no idea where to
> send
> > this e-mail.
> >
> > _______________________________________________
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> > Qgis-developer at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/qgis-developer
> >
>
>
>
> --
> Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
> ==============================================
> Please do not email me off-list with technical
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