[mapserver-users] Point lables and tiles

[Thomas Bonfort]

it doesn't put any labels in the 10 outermost pixels surrounding the
generated image (as they are chopped off by tilecache's metabuffer)

thomas

--
www.camptocamp.com
+33 4 79 26 57 97



On Mon, May 25, 2009 at 16:45, paalkr <pal.kristensen at statkart.no> wrote:
>
> Hi!
>
> Thanks for the hint! The problem is that I'm using GeoWebCache and not
> tilecache :) Is the
>     METADATA
>        labelcache_map_edge_buffer "-10"
>    END
> a MapServer keyword? What does it do exactly?
>
> Any other possible solutions?
>
> Regards,
> Pål Kristensen
>
>
> Thomas Bonfort-2 wrote:
>>
>> http://lists.osgeo.org/pipermail/mapserver-users/2009-March/060214.html
>>
>> regards,
>> thomas
>>
>> --
>> www.camptocamp.com
>> +33 4 79 26 57 97
>>
>>
>>
>> On Mon, May 25, 2009 at 15:00, paalkr <pal.kristensen at statkart.no> wrote:
>>>
>>> Hi!
>>>
>>> When creating tiles for my tilecache I have some issues regarding point
>>> labels. Using the PROCESSING label_no_clip=true works for line and
>>> polygon
>>> labels, but points has not area/size and will therefor newer be present
>>> in
>>> two neighbouring tiles. The result are clipped labels because only one
>>> tile
>>> will ever know about the presence of a point. If then the label should
>>> have
>>> been rendered into the next tile, it will be clipped. Metatiles
>>> (requesting
>>> more than one tile at a time and splitting it up on the tile server)
>>> helps,
>>> but only a little, as the same problem will occur between metatiles.
>>>
>>> A solution would be that MapServer rendered each tile (map) some
>>> percentage
>>> larger than requested, and then chops of the excess area before
>>> delivering
>>> the final map. A setting at the MAP level of the mapfile controlling this
>>> "grow" mechanism would be great, defining the percentage the map shall be
>>> extended before rendering.
>>>
>>> Second, is there any other way to solve the issue? Especially if there
>>> are
>>> already features in MapServer that can be used.
>>>
>>> Regards,
>>> Pål Kristensen
>>>
>>>
>>>
>>> -----
>>>
>>> Regards,
>>> Pål Kristensen
>>> --
>>> View this message in context:
>>> http://n2.nabble.com/Point-lables-and-tiles-tp2969528p2969528.html
>>> Sent from the Mapserver - User mailing list archive at Nabble.com.
>>>
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>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>
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>
>
> -----
>
> Regards,
> Pål Kristensen
> --
> View this message in context: http://n2.nabble.com/Point-labels-and-tiles-tp2969528p2969950.html
> Sent from the Mapserver - User mailing list archive at Nabble.com.
>
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