[mapserver-users] Point lables and tiles

[paalkr]

Hi!

OK, thanks! I guess that MapScript is the way to go then. 



Steve Lime wrote:
> 
> 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.
>>>>>>
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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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>> 
>> 
>> -----
>> 
>> Regards,
>> Pål Kristensen
>> -- 
>> View this message in context: 
>> http://n2.nabble.com/Point-labels-and-tiles-tp2969528p2987684.html 
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-----

Regards,
Pål Kristensen
-- 
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