[mapserver-users] Point lables and tiles

[paalkr]

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.
>>>>
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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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-----

Regards,
Pål Kristensen
-- 
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