[MapServer-users] different shapefiles but same render

[mathias cunault]

The problem was the status default of the layers.
All layers were loaded...twice, so they were duplicates.
With status ON, each layer displays its own datas.


Cordialement,

*----------*
*Mathias Cunault*

*référent SIG / Admin Caviar*

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Le jeu. 17 juil. 2025 à 09:28, Yves Jacolin <yves.jacolin at camptocamp.com> a
écrit :

> Hello Mathias,
>
> This look rather an Openlayers question: how to create a source and a WMS
> layer, and change the setting of the latter to change the LAYERS parameter.
>
> > But loaded together the two layers render the total features of the 2
> shapefiles, so in a way the layers are duplicates.
> That's look the expected behavior as Jukka said. The two shapefile are
> different so they are not duplicated.
>
> Y.
>
> Le mer. 16 juil. 2025 à 08:14, mathias cunault via MapServer-users <
> mapserver-users at lists.osgeo.org> a écrit :
>
>> Mapserver 7.6 & OpenLayers 10
>>
>> My mapfile has to layers from 2 shapefiles :
>> WEB
>> METADATA
>> "wms_title" "WMS-Inrap, natura 2000"
>> "wms_onlineresource" "
>> http://caviar.inrap.fr/cgi-bin/mapserv.exe?MAP=C:/ms4w/Apache/site/mapfile/fond_iliad_natura.map
>> "
>> "wms_enable_request" "*" #active les getcapabilities, getmap,
>> getfeatureinfo, getfeature
>> "wms_srs" "EPSG:3857 EPSG:2154 EPSG:900913"
>> "wms_encoding" "UTF8"
>> "ows_enable_request" "*"
>> END
>> END
>> LAYER
>> NAME "znieff1_metropole"
>> TYPE POLYGON
>> STATUS DEFAULT
>> OPACITY 30
>> DATA "./ressources_couches/ZNIEFF/znieff1.shp"
>> PROJECTION
>> "init=epsg:2154"
>> END #fin projection
>> #MAXSCALEDENOM 100000
>> LABELITEM "etiquette"
>> CLASS
>> NAME "znieff1" #apparait en legende
>> STYLE
>> COLOR 255 0 0
>> OUTLINECOLOR 255 240 140
>> WIDTH 0.5
>> END #end STYLE
>> LABEL #apparait pour chaque entité sur la carte
>> FONT "DejaVu_bold"
>> COLOR 255 240 140
>> OUTLINECOLOR 0 0 0
>> OUTLINEWIDTH 0.5
>> POSITION cc
>> SIZE 9
>> TYPE TRUETYPE
>> SHADOWCOLOR 100 100 100
>> MAXSCALEDENOM 60000 #apparait à partir de 1/
>> MINSCALEDENOM 7000 #apparait jusqu'à 1/
>> END #ENd label
>> END # end class
>> METADATA
>> "wms_title" "znieff1"
>> "wms_srs" "EPSG:3857 EPSG:2154"
>>    END #fin metadata
>> END #end layer
>>
>> #-----debut layer znieff2
>> LAYER
>> NAME "znieff2_metropole"
>> TYPE POLYGON
>> STATUS DEFAULT
>> OPACITY 30
>> DATA "./ressources_couches/ZNIEFF/znieff2.shp"
>> PROJECTION
>> "init=epsg:2154"
>> END #fin projection
>> # MAXSCALEDENOM 100000
>> LABELITEM "NOM"
>> CLASS
>> NAME "znieff2" #apparait en legende
>> STYLE
>> COLOR 255 0 250
>> OUTLINECOLOR 255 0 250
>> WIDTH 0.5
>> END #end STYLE
>> LABEL #apparait pour chaque entité sur la carte
>> FONT "DejaVu_bold"
>> COLOR 255 240 140
>> OUTLINECOLOR 0 0 0
>> OUTLINEWIDTH 0.5
>> POSITION cc
>> SIZE 9
>> TYPE TRUETYPE
>> SHADOWCOLOR 100 100 100
>> MAXSCALEDENOM 60000 #apparait à partir de 1/
>> MINSCALEDENOM 7000 #apparait jusqu'à 1/
>> END #ENd label
>> END # end class
>> METADATA
>> "wms_title" "znieff2"
>> "wms_srs" "EPSG:3857 EPSG:2154"
>>    END #fin metadata
>> End #end layer
>>
>> In Openlayers, I have defined two sources and two layers, example :
>> const sourceWMSznieff1 = new ImageWMS({
>>   // serverType: "mapserver",
>>   projection: "EPSG:3857",
>>   params: {
>>     LAYERS: "znieff1_metropole",
>>     // _t: Date.now(),
>>   },
>>   url: "http://
>> .../mapserv.exe?MAP=C:/ms4w/Apache/site/mapfile/fond_iliad_natura.map&",
>> })
>>
>> export const coucheWMSznieff1 = new ImageLayer({
>>   title: "znieff1",
>>   source: sourceWMSznieff1,
>> })
>>
>> Only LAYERS and title are changing for the second source and layer Image.
>> In my browser, layers are different, i.e. they display their own datas,
>> only when I am loading just one.
>> But loaded together the two layers render the total features of the 2
>> shapefiles, so in a way the layers are duplicates.
>>
>> Does it mean I have to create a mapfile for each shapefile ? (it seems
>> weird to me and I have many shapefile
>>
>>
>> _______________________________________________
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>> MapServer-users at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/mapserver-users
>>
>
>
> --
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> yves.jacolin at camptocamp.com. Their phone number is +33 6 18 75 42 21. Their
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