[mapserver-users] Polygon hatch mismatch at tile borders.

Stephen Woodbridge woodbri at swoodbridge.com
Thu Oct 28 11:56:03 EDT 2010


On 10/28/2010 11:25 AM, Ausderau Larissa LT wrote:
> Thanks Steve and Thomas,
>
> @Steve: I didn't find an open bug for this problem and I'm on MapServer 5.4.2
>
> @both: Should I do a Bug Submission?

Yes, please open a bug and post the bug number to the list so people 
that are interested can get cc'd on it.

Regards,
   -Steve W

> Cheers,
>
> Larissa
>
>
> Yes, the problem is known and hasn't been addressed yet. This one
> would be a candidate for 6.2.
>
> cheers,
> thomas
>
> On Thu, Oct 28, 2010 at 15:19, Stephen Woodbridge
> <woodbri at swoodbridge.com<http://lists.osgeo.org/mailman/listinfo/mapserver-users>  >  wrote:
>> On 10/28/2010 9:00 AM, Ausderau Larissa LT wrote:
>>>
>>> Thanks Alex,
>>>
>>> The "gutter" solution gives something better and the "singleTile"
>>> solve the problem.
>>>
>>> Unfortunately I can't use them, because we are pre-generating tiles
>>> in order to have good performances, which means that I need a
>>> solution at the level MapServer (Mapfile and / or symbol file).
>>>
>>> I've found that in The MapServer RFC Documentation
>>> http://mapserver.org/development/rfc/ms-rfc-45.html:
>>>
>>> ----------------------------------------------------- Polygon fill
>>> symbols
>>>
>>> Give hatches and vector fills a stable geographical coordinate origin
>>> (0,0) to better support tiling and continuous rendering of
>>> neighboring polygons
>>> -----------------------------------------------------
>>>
>>> Does it mean that the problem is known and  have been fixed?
>>
>> Larissa,
>>
>> Have you check to see it there is an open bug for this?
>>
>> The RFC would seem to indicate that the problem is known. And that it was
>> considered in RFC45, but it is not clear from the RFC that it was actually
>> solved as there is no bug number at the bottom that specifically tracks that
>> particular change. This RFC was targeted for Mapserver 5.4.
>>
>> If you are on 5.4 or later then you might want to get a ticket opened asap,
>> and maybe a fix can get put in 6.0 to resolve this.
>>
>> Steve L, Thomas B, - Do you guys know if this was tackled or not?
>>
>> -Steve W
>>
>>> Best regards!
>>>
>>> Larissa
>>>
>>>
>>> -----Message d'origine----- De : Strunck, Alexander
>>> [mailto:HYPERLINK "http://lists.osgeo.org/mailman/listinfo/mapserver-users"strunck at bicc.de<mailto:HYPERLINK>  ] Envoyé : jeudi, 28. octobre 2010 12:21 À :
>>> Ausderau Larissa LT; 'mapserver-users at lists.osgeo.org<http://lists.osgeo.org/mailman/listinfo/mapserver-users>  ' Objet : AW:
>>> Polygon hatch mismatch at tile borders.
>>>
>>>
>>> Hello
>>>
>>> you can use the parameter "gutter". Here an example
>>>
>>> http://trac.osgeo.org/openlayers/browser/trunk/openlayers/examples/gutter.html
>>>
>>>   Or you can use the parameter onetile. Here another example
>>> http://dev.openlayers.org/releases/OpenLayers-2.9/examples/notile.html
>>>
>>>   alex
>>>
>>> Von: mapserver-users-bounces at lists.osgeo.org<http://lists.osgeo.org/mailman/listinfo/mapserver-users>
>>> [mailto:HYPERLINK "http://lists.osgeo.org/mailman/listinfo/mapserver-users"mapserver-users-bounces at lists.osgeo.org<mailto:HYPERLINK>  ] Im Auftrag von
>>> Ausderau Larissa LT Gesendet: Donnerstag, 28. Oktober 2010 12:01 An:
>>> 'mapserver-users at lists.osgeo.org<http://lists.osgeo.org/mailman/listinfo/mapserver-users>  ' Betreff: [mapserver-users] Polygon
>>> hatch mismatch at tile borders.
>>>
>>> Hi,
>>>
>>> I'm using MapServer 5.4.2 and when I'm working with tiles the hatches
>>> of hatch filled polygons are not matching at tile borders. See
>>> example hatch_mismatch.jpg
>>>
>>> How can I solve that?
>>>
>>> Thanks
>>>
>>> Larissa
>
>
>
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