Marco, Is there a reason the addItemsFromXML() method is commented out in the SIP bindings.
- Nathan On Mon, Mar 19, 2012 at 5:37 PM, Marco Hugentobler < marco.hugentob...@sourcepole.ch> wrote: > Hi Nathan > > > >What I have seen so far looks like you have to handle recreating the > composer and all its items using the xml like in > > There has been some rearrangement in the composer classes (the first API > break :-) ). With git master version, you should be able to create a > QgsComposition by calling its readXML Method, then call > QgsComposition::readItemsFromXML. > > The composer is a bit of a special case because it is possible to replace > label strings, map extent / layer / rotation with parameters. And with the > legend, there is a workaround to avoid using the x-server. So with an > external python script, I'd recommend to use > QgsComposition::readItemsFromXML. > > Regards, > Marco > > > On 19.03.2012 01:22, Nathan Woodrow wrote: > > Martin, > > It's not so much that I don't know how to create a new composer from > Python more that I don't now how to restore a composer item from the > project file using Python. > > I'm using the project file that contains composers as a template which I > need to open and print. What I have seen so far looks like you have to > handle recreating the composer and all its items using the xml like in > https://github.com/qgis/Quantum-GIS/blob/master/src/mapserver/qgsprojectparser.cpp > > Maybe the composer object could do with a createFromXML() method which > constructs a composer, and all its children, as per the project file. > > - Nathan > > On Mon, Mar 19, 2012 at 4:51 AM, Martin Dobias <wonder...@gmail.com>wrote: > >> On Thu, Mar 15, 2012 at 2:29 PM, Nathan Woodrow <madman...@gmail.com> >> wrote: >> > Is it possible to: >> > >> > Load QGIS from Python (well I know how to do this using >> > QgsApplicaiton.Init()) >> > Open the project file >> > Zoom to a location >> > Print the first composer to pdf >> > OR render out the map canvas to a image. >> >> Hi Nathan >> >> yes that's all possible from an external python script with PyQGIS, >> without actually starting GUI. >> >> > From what I can see the only way is to create a new composer item and >> pass >> > it the composer node from the xml. >> >> No need to play with XML, everything can be done using API, there is >> an example in the cookbook: >> http://qgis.org/pyqgis-cookbook/composer.html >> >> Martin >> > > > > _______________________________________________ > Qgis-developer mailing > listQgis-developer@lists.osgeo.orghttp://lists.osgeo.org/mailman/listinfo/qgis-developer > > > > -- > Dr. Marco Hugentobler > Sourcepole - Linux & Open Source Solutions > Churerstrasse 22, CH-8808 Pfäffikon SZ, > switzerlandmarco.hugentob...@sourcepole.ch http://www.sourcepole.ch > Technical Advisor QGIS Project Steering Committee > > > _______________________________________________ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer > >
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