[mapserver-dev] LABEL FORCE GROUP - undocumented keyword

Seth G sethg at geographika.co.uk
Fri Jul 10 15:03:51 PDT 2020

Hi all,

I'm currently trying to validate various Mapfiles in msautotest. 
One keyword I'm unsure about is LABEL>FORCE>GROUP. 

There is no mention of the "GROUP" option in the docs - https://mapserver.org/mapfile/label.html#mapfile-label-force

It is however used in an msautotest Mapfile: https://github.com/mapserver/mapserver/blob/85e294e8c8ce3c9c455fea0137d4af1ee2feced0/msautotest/renderers/multilabel-leader.map

It is also referenced in mapfile.c and sets the MS_LABEL_FORCE_GROUP flag. 
However I can't see anywhere where this option is used or what effect is has.

Any further information on this keyword appreciated,


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