[mapserver-users] geotransform
Charlotte Declercq
c.declercq at alkante.com
Fri Jun 26 00:34:45 PDT 2009
Thanks, ANNOTATION layer is really doing the job.
Charlotte
PS : thanks to Thomas Bonfort to for his help
Steve Lime a écrit :
> You can also use an ANNOTATION layer to do something like this. Depends
> if you need a true
> centroid or not. Annotation layers use label points generated from an
> algorithm that starts with
> a center of gravity computation. Subsequent tweaks are made if the
> point is too close to the
> edge. That approach guarantees the point will be in the polygon unlike
> with a centroid.
>
> Steve
>
>
>>>> On 6/25/2009 at 11:29 AM, in message
>>>>
> <4A43A5F6.8020207 at alkante.com>, Charlotte
> Declercq <c.declercq at alkante.com> wrote:
>
>> Actually, there are two ways of drawing polygons as points
>>
> (positioned
>
>> in their centroids) :
>>
>> either geotransform
>> or apply the STYLE with TYPE [centroid] as described in
>> http://mapserver.org/development/rfc/ms-rfc-45.html
>>
>> What is your advice ?
>> Which one of these developments will be available the sooner?
>> We are quite in the hurry. If I can't do this with mapserver I'll
>>
> have
>
>> to create a new shape with the centroids :(.
>>
>> Regards,
>>
>> --
>> Charlotte DECLERCQ
>>
>> ALKANTE SAS
>> Ingénieur R&D SIG
>> 1, rue du Chêne Morand
>> 35 510 Cesson-Sévigné
>> Bur: + 33 (0) 2 99 22 25 70
>> fax : + 33 (0) 2 99 32 12 76
>>
>>
>>
>>
>> Thomas Bonfort a écrit :
>>
>>> Most of it is already in 5.4, except for centroids :(
>>>
>>> I can push those in for 5.4.2 if you're in a hurry, otherwise you'll
>>>
>
>
>>> have to wait for 5.6/6.0
>>>
>>> regards,
>>> thomas
>>>
>>> www.camptocamp.com <http://www.camptocamp.com>
>>> +33 4 79 26 57 97
>>>
>>>
>>> On Thu, Jun 25, 2009 at 17:04, Charlotte Declercq
>>> <c.declercq at alkante.com <mailto:c.declercq at alkante.com>> wrote:
>>>
>>> Hello,
>>>
>>> Do someone know when this is going to be in a stable mapserver
>>> version?
>>>
>>> http://mapserver.org/development/rfc/ms-rfc-48.html
>>>
>>> I need to represent polygons as points in their centroids.
>>>
>>> Thanks,
>>>
>>> --
>>> Charlotte DECLERCQ
>>>
>>> ALKANTE SAS
>>> Ingénieur R&D SIG
>>> 1, rue du Chęne Morand
>>> 35 510 Cesson-Sévigné
>>> Bur: + 33 (0) 2 99 22 25 70
>>> fax : + 33 (0) 2 99 32 12 76
>>>
>>>
>>>
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>>>
>>>
>>>
>>
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>
>
--
Charlotte DECLERCQ
ALKANTE SAS
Ingénieur R&D SIG
1, rue du Chêne Morand
35 510 Cesson-Sévigné
Bur: + 33 (0) 2 99 22 25 70
fax : + 33 (0) 2 99 32 12 76
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