[mapserver-users] Point lables and tiles

[Steve Lime]

Not within MapServer proper. The various tiling services use this
metatile approach so it does work. You'd need
an intermediary script to do the clipping for you.

Steve

>>> On 5/28/2009 at 8:36 AM, in message
<1243517779820-2987684.post at n2.nabble.com>,
paalkr <pal.kristensen at statkart.no> wrote:

> Hi!
> 
> OK, are there any methods that could be used to let MapServer produce
a
> bigger image and then chop off excess area before sending the image
to the
> client? I think that this would be the easiest and most flexible
solution.
> 
> Regards,
> Pål Kristensen
> 
> 
> 
> Thomas Bonfort-2 wrote:
>> 
>> 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.
>>>>>
>>>>> _______________________________________________
>>>>> mapserver-users mailing list
>>>>> mapserver-users at lists.osgeo.org 
>>>>> 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

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>>>
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> 
> 
> -----
> 
> Regards,
> Pål Kristensen
> -- 
> View this message in context: 
> http://n2.nabble.com/Point-labels-and-tiles-tp2969528p2987684.html 
> Sent from the Mapserver - User mailing list archive at Nabble.com.
> 
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