[mapserver-dev] Motion: change default POSITION AUTO labelling order for point layers

[Stephen Woodbridge]

I have no idea what it would take to do something like this, but what do 
you think about adding a CONFIG "USE_ALT_LABEL_POSITION_AUTO=yes" or 
something like this in the mapfile as a global switch to an alternate 
hardcoded list of positions. Then by default you get the current 
positioning or select this in the mapfile to get the new positioning 
order. Assuming that it is easy to grab these config values, it is just 
an if block to reset the order on startup. I'm not sure if "startup" 
implies, reading the mapfile, or CGI or FastCGI, or apache module 
startup. Hopefully it is easy to init when the mapfile is read.

-Steve W

On 3/16/2012 1:42 PM, thomas bonfort wrote:
> Patches graciously accepted :)
> I personally have no incentive in implementing configurable positioning
> as a hardcoded
>
> 6 1 5
> 4 X 3
> 8 2 7
>
> suits all my needs.
>
> --
> thomas
>
> On Fri, Mar 16, 2012 at 16:30, Bob Basques <Bob.Basques at ci.stpaul.mn.us
> <mailto:Bob.Basques at ci.stpaul.mn.us>> wrote:
>
>     All,
>
>
>     I know my vote doesn't count as much.  But I'm thinking the same
>     here with regard to changing things.  As an alternative to changing
>     things, what's the timeline on just setting up the planned MAPFILE
>     controls instead?
>
>
>     bobb
>
>
>
>
>      >>> Daniel Morissette <dmorissette at mapgears.com
>     <mailto:dmorissette at mapgears.com>> wrote:
>
>     I'd say -0 ... I can see in ticket #4249 that the change of order gives
>     better results in that case, but I am always hesitant to change a
>     built-in behavior that has been around for years as this change could
>     cause side-effects for other use cases where the current order is
>     better. (I have no such use case in mind, just being overly careful
>     because our users don't like when we break backwards compatibility.)
>
>     BTW, I love the idea of a mechanism to control the order in the mapfile.
>
>     Daniel
>
>
>
>     On 12-03-16 10:19 AM, thomas bonfort wrote:
>      > Hi devs,
>      >
>      > We have tickets 2981, 4242 and 4249 opened to ask for a change in the
>      > order which labels are placed around a label point, in order to
>     obtain
>      > better quality text placement.
>      >
>      > http://trac.osgeo.org/mapserver/ticket/2981
>      > http://trac.osgeo.org/mapserver/ticket/4242
>      > http://trac.osgeo.org/mapserver/ticket/4249
>      >
>      > While the long-term solution will allow us to configure this order at
>      > the mapfile level, I motion that we change this order from
>      >
>      >
>      > 1 7 3
>      > 6 X 5
>      > 4 8 2
>      >
>      > to
>      >
>      > 6 1 5
>      > 4 X 3
>      > 8 2 7
>      >
>      > for the 6.2 release.
>      > I'll start with my +1.
>      >
>      > regards,
>      > thomas
>      > _______________________________________________
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>
>
>     --
>     Daniel Morissette
>     http://www.mapgears.com/
>     Provider of Professional MapServer Support since 2000
>
>
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