[mapserver-users] RE Inconsistance between display and data

[jeansomers]

I'm actually beyond projection, I don't even know which data this railway
refers to!!!!!

On Tue, 16 Feb 2016 at 14:36 Steve.Toutant [via OSGeo.org] <
ml-node+s1560n5250815h9 at n6.nabble.com> wrote:

> Maybe bad layer projection parameters ...
> This railway might no be in the projection you think it is....
>
>
>
>
> *jeansomers <[hidden email]
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> 2016-02-16 08:15
>
> A
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> cc
> Objet
> [mapserver-users] Inconsistance between display and data
>
>
>
>
>
>
> Hi,
> I'm one of two base map administrators for a MapServer web-based
> application.
>
> We're regularly integrating new base map data, from reception through
> quality check to real integration.
>
> A while ago, I noticed a base map inconsistance: the map displayed a
> railway
> following the coast in a small peninsula.
>
> I can tell there is no railway there, I already went to the place. That's
> the beginning.
>
> So I asked for a correction from the regional administrator, which
> delivered
> me a new version of the local data.
>
> I checked a last time and discovered that the railway was still on the
> MapServer application.
>
> I loaded the original data in QGIS,  applied the usual symbology : no
> railway.
> I checked the attributes: no railway values in the symbology field.
>
> My colleague suggested it came from an overlapping data: we checked the
> tile
> indexes of neighbouring data; none was overlapping on the railway tracks.
>
> There we are, without a clue about the origin of this inconsistance.
>
> I forgot to mention that we repeatedly deleted application and client
> caches
> inbetween.
>
> So if you have any idea where it can com from, your suggestions are
> welcomed.
>
> For your notice, here is the print screen of the issue
>
> <http://osgeo-org.1560.x6.nabble.com/file/n5250812/33236_0001.png>
>
>
>
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-- 
*SOMERS Jean*

jean.somers at gmailcom
+33 6 26 34 59 96

*Skype:* jeansomers
*LinkedIn:* https://fr.linkedin.com/pub/*jean*-*somers*/4b/9b2/42b




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