[QGIS-Developer] Dropping the extra label placement algorithms?

[Carlo A. Bertelli (Charta s.r.l.)]

Label placement took a lot of time and efforts in the past and this is the
outcome.
It's true, there is no real need for it while on screen, but it could be
very useful in Layout. The problem is similar to generalisation, you need
proper data to support label placement. Losing the relationship with real
geographic objects, when exporting the layout in SVG or postscript, label
placement takes time and needs cartographic expertise while changing the
algorithm in Layout mode can help a lot.
Keeping several algorithms in Layout could ease code maintenance while
keeping all the advantages.
On the other hand, this needs some efforts on documentation and Anita's
touch is really welcome here. Algorithms need reference but also a plain
explanation in something that resembles a book. Someone developed a
publishing business out of a GIS program... maybe this is too much and has
already been done, but...
My two eurocents.
c

On Mon, Jul 29, 2019 at 2:00 AM Nyall Dawson <nyall.dawson at gmail.com> wrote:

> On Fri, 26 Jul 2019 at 12:40, Nyall Dawson <nyall.dawson at gmail.com> wrote:
> >
> > Hey lists
> >
> > This was first discussed back in 2016 (see
> >
> http://osgeo-org.1560.x6.nabble.com/Removal-of-labeling-search-methods-td5262743.html
> ),
> > but would anyone object if the different labeling solution algorithms
> > eg "chain" / "pop music" / "falp" / etc were dropped, and we just
> > leave the existing default (chain)?
> >
> > I don't think ANYONE knows what these mean, and it's a heck of a lot
> > of code (which needs fixes) to cart around for no compelling reason
> > that I can see.
> >
> > I have no particular preference to any of the methods, so would
> > happily accept a different default if anyone out there can point to
> > which method is best!
> >
> > Googling pop music / tabu / chain only gives a handful of results
> > relating to QGIS labeling engine. And googling for "falp" sounds like
> > something that would get you flagged on your company's firewall.
> >
> > Does ANYONE understand or change this setting? Or would object to its
> > complete removal?
>
> PR at https://github.com/qgis/QGIS/pull/30960
>
> Last chance to save this setting!
>
> Nyall
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-- 
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Carlo A. Bertelli
   Charta servizi e sistemi per il territorio e la storia ambientale srl
          Dipendenze del palazzo Doria,
          vc. alla Chiesa della Maddalena 9/2 16124      Genova (Italy)
          tel./fax +39(0)10 2475439  +39 0108566195  mobile:+39 393 1590711
   e-mail: bertelli at chartasrl.eu      http://www.chartasrl.eu
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