Hi,
Is there any change if you update the layer to have a single class with a
simple line (no EXPRESSION, LABEL, MAXSCALEDENOM)?
E.g.
CLASS
STYLE
COLOR 0 0 255
WIDTH 6
END
Seth
--
web:https://geographika.net
twitter: @geographika
On Wed, Sep 28, 2022, at 1:03 PM, Antonis Christofides wrote:
> Hello,
>
> I have a problem that has already been discussed in stackexchange
> (https://gis.stackexchange.com/questions/440902/mapserver-wms-not-all-features-show-depending-on-how-i-zoom-and-pan),
> but without solution so far.
>
> I'm repeating the full text here, but if there's any problem with the images
> it might be better to go to stackexchange to read it.
>
> Here is how QGIS shows an irrigation network, received by MapServer via WMS
> and superimposed on OpenStreetMap:
>
> enter image description here
>
> Here is the same thing, but slightly panned to the right:
>
> enter image description here
>
> Several items are obviously missing. In fact there are items missing in the
> top picture as well. Different items become visible as I zoom and pan
> differently.
>
> Since this pretty much tells the whole story, I'm not going into more
> details. MapServer version is 7.6.2 (prepackaged for Debian). The base URL is
> https://poros.irmasys.com/cgi-bin/mapserv?map=/opt/aira-poros/aira-poros/mapserver/extralayers.map.
> Finally, below I paste the interesting parts of the mapfile.
>
> Thanks!
>
> Antonis
>
>
>
>
>
>
> `MAP
> NAME "aira-poros"
> STATUS ON
> SIZE 9040 7731
> EXTENT 103986.57 3850796.18 1007945.14 4623933.00
> UNITS meters
> PROJECTION
> "init=epsg:2100"
> END
> CONFIG MS_ERRORFILE "/var/log/mapserver/extralayers.log"
>
> # [Omitting some OUTPUTFORMAT sections]
>
> WEB
> IMAGEPATH "/var/cache/mapserver/"
> IMAGEURL "/mapserver_tmp/"
> METADATA
> "wms_title" "Aira Poros"
> "wms_onlineresource"
> "https://poros.irmasys.com/cgi-bin/mapserv?map=/opt/aira-poros/aira-poros/mapserver/extralayers.map&";
> "wms_srs" "EPSG:4326 EPSG:2100 EPSG:3857"
> "wms_enable_request" "*"
> "wms_feature_info_mime_type" "text/html"
>
> "wfs_title" "Aira Poros"
> "wfs_onlineresource"
> "https://poros.irmasys.com/cgi-bin/mapserv?map=/opt/aira-poros/aira-poros/mapserver/extralayers.map&";
> "wfs_srs" "EPSG:2100 EPSG:4326 EPSG:3857"
> "wfs_enable_request" "*"
> END
> END
>
> LAYER
> NAME "irrigation-network"
> TYPE LINE
> CONNECTIONTYPE OGR
> CONNECTION "irrigation-network.gml"
> METADATA
> "wms_title" "Irrigation network"
> "wfs_title" "Irrigation network"
> "gml_include_items" "all"
> "gml_featureid" "id"
> END
> STATUS ON
> PROJECTION
> "init=epsg:2100"
> END
> CLASSITEM 'category'
> CLASS
> EXPRESSION '1'
> STYLE
> COLOR 0 0 255
> OPACITY 50
> WIDTH 6
> END
> LABEL
> COLOR 0 0 255
> ANGLE FOLLOW
> OFFSET 5 99
> MAXSCALEDENOM 10000
> TEXT "[irri_code]"
> END
> LABEL
> COLOR 0 0 255
> ANGLE FOLLOW
> OFFSET -8 99
> MAXSCALEDENOM 10000
> EXPRESSION (NOT('[Diameter]' = ''))
> TEXT "D=[Diameter] mm"
> END
> END
>
> # [Omitting three more classes]
> END
>
> # [Omitting four more layers]
> END`
> _______________________________________________
> MapServer-users mailing list
> MapServer-users@lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/mapserver-users
>
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