Hi > On 24 Sep 2015, at 15:12, Martin Dobias <[email protected]> wrote: > > Hi Regis > > On Wed, Sep 23, 2015 at 4:19 AM, Régis Haubourg > <[email protected]> wrote: >> Hi all, >> I just saw a recent commit labeled "New API for labeling engine >> (QgsLabelingEngineV2)" [0] >> >> Can anyone tell us more on that work that seems very promising? > > This was motivated by my work on rule-based labeling (landed just > moments ago in master). The labeling engine has existed without major > architectural changes for 5-6 years since its introduction. Since then > lots of features were added and the original framework started to show > its age. The new API should allow for much more flexibility... things > like running labeling engine completely independently from the main > rendering loop, using anything as a source of label features (e.g. > raster cells?) and so on.
Labelling raster cells would be awesome! > The old API (QgsPalLabeling) is of course > still available (and acts as a wrapper of the new API), but should get > removed in QGIS 3. > > >> My question is not totally innocent, I just launch funding to start QEP's >> work on labeling improvements. I would like that QGIS can handle several >> features, but need to fund exploratory work before knowing how to do that >> exactly: >> - add core ability to draw callouts between features and labels >> - add new label types, that wan be labeled on "paths", just like ESRI >> annotations. >> - port to C++ features currently available in EasyCustomLabeling Plugins >> and Mask plugin. >> - generate layers dedicated to manual labeling (addition of data >> defined fields). >> - Allow to mask labels outside of an area of interest, and allow >> Atlas to use it in batch use cases. > > Nice list - let me know if you need help with any of those ;-) Very nice to see labelling get some love! I could add my wish to your list: * allow canvas border to be treated as a labelling impediment to prevent partial labels Regards Tim > > Cheers > Martin > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer — Tim Sutton Visit http://kartoza.com <http://kartoza.com/> to find out about open source: * Desktop GIS programming services * Geospatial web development * GIS Training * Consulting Services Skype: timlinux Irc: timlinux on #qgis at freenode.net Tim is a member of the QGIS Project Steering Committee Kartoza is a merger between Linfiniti and Afrispatial
signature.asc
Description: Message signed with OpenPGP using GPGMail
_______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
