[mapserver-users] Label position not as expected version 7.0.x

[thomas bonfort]

correct. the position of "center of the text" varies depending on whether
your glyphs have ascenders and/or descenders, and thus produces
inconsistent centering between "aaa", "ppp" or "bbbb".
This can be easily reverted by commenting out the two special cases for CR
and CL at
https://github.com/mapserver/mapserver/blob/rel-7-0-3/maplabel.c#L989 .
replace with
y1 = (h/2.0) + oy;

--
thomas

On Mon, Jan 2, 2017 at 6:58 PM Ian Walberg <ian.walberg at airborne.aero>
wrote:

> Thomas.
>
>
>
> Hmm, I do not understand why the change was made from the older versions.
>
>
>
> So the vertical ‘center’ position is actually align the text baseline with
> the point position and not the ‘center’ of the text as previously?
>
>
>
> Regards
>
>
>
> Ian
>
>
>
> *From:* thomas bonfort [mailto:thomas.bonfort at gmail.com]
> *Sent:* Monday, January 2, 2017 9:41 AM
> *To:* Ian Walberg <ian.walberg at airborne.aero>;
> mapserver-users at lists.osgeo.org; mapserver-dev at lists.osgeo.org
> *Subject:* Re: [mapserver-users] Label position not as expected version
> 7.0.x
>
>
>
> Ian,
>
> It's the intented effect, with the label baseline aligned with the symbol
> baseline. You can probably nudge it manually with an offset if you need to.
>
>
>
> --
>
> thomas
>
>
>
> On Mon, Jan 2, 2017 at 6:30 PM Ian Walberg <ian.walberg at airborne.aero>
> wrote:
>
> Folks,
>
>
>
> Happy New Year to everyone.
>
>
>
> Using version 7.0.x we are not seeing the label positon as we had for
> previous versions for mapserver.
>
>
>
> The vertical label position now appears to not center naturally on the
> text but is towards the bottom of the center line.
>
>
>
> Are we missing something?
>
>
>
> Thanks
>
>
>
> Ian
>
>
>
> MAP
>
>
>
>   EXTENT 0.0 0.0 10.0 10.0
>
>   SIZE 1024 720
>
>   IMAGECOLOR 140 140 140
>
>
>
>   SYMBOL
>
>     NAME 'City'
>
>     TYPE ELLIPSE
>
>     POINTS 1 1 END
>
>     FILLED true
>
>   END
>
>
>
>   LAYER
>
>
>
>     NAME "Label position"
>
>     TYPE POINT
>
>     STATUS DEFAULT
>
>
>
>     FEATURE
>
>         POINTS
>
>           1.00 5.00
>
>           1.00 8.00
>
>         END # POINTS
>
>     END # FEATURE
>
>
>
>     CLASS
>
>       TEXT 'Label text'
>
>       STYLE
>
>         SYMBOL 'City'
>
>         SIZE 12
>
>         COLOR 255 255 255
>
>       END # STYLE
>
>
>
>       LABEL
>
>         TYPE BITMAP
>
>         SIZE 30
>
>         COLOR 255 255 255
>
>         POSITION CR
>
>       END # LABEL
>
>
>
>     END # CLASS
>
>
>
>   END # LAYER
>
>
>
> END # MAP
>
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> mapserver-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>
>
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