[MapServer-users] MVT Unable to initialize image

[mathias cunault]

erratum : map.imagetype=mvt added at then end of url.
msDrawMap(): Image handling error. Unable to initialize image.
createImage(): Renderer error. createImage not implemented

Cordialement,

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

*référent SIG / Admin Caviar*

*Inrap Tours - 148 av. Maginot37000 TOURS06 32 05 98 96*
abonnez-vous à la lettre d'information de l'Inrap : http://ww
<http://www.inrap.fr/newsletter.php>w.inrap.fr/newsletter.php
<http://www.inrap.fr/newsletter.php>


Le ven. 25 juil. 2025 à 14:53, mathias cunault <mathias.cunault at inrap.fr> a
écrit :

> Thanks.
> Indeed the message has disappeared... for this one with this request:
> http://
> .../mapserv.exe?MAP=C:/ms4w/Apache/site/mapfile/vue_prescription_pgts_wfs.map&mode=tile&tilemode=gmap&tile=4113+2867+13&layers=prescription
> msDrawMap(): Image handling error. Unable to initialize image.
> msPrepareImage(): Image handling error. Unable to initialize image.
>
> According to your documentation, I have modified my js url.
> But obviously, the problem is first of all in the mapfile. I have defined
> an extent for the layer that is smaller than the map extent. No effect.
>
> Cordialement,
>
> *----------*
> *Mathias Cunault*
>
> *référent SIG / Admin Caviar*
>
> *Inrap Tours - 148 av. Maginot37000 TOURS06 32 05 98 96*
> abonnez-vous à la lettre d'information de l'Inrap : http://ww
> <http://www.inrap.fr/newsletter.php>w.inrap.fr/newsletter.php
> <http://www.inrap.fr/newsletter.php>
>
>
> Le ven. 25 juil. 2025 à 14:21, Seth G <sethg at geographika.co.uk> a écrit :
>
>> Hi,
>>
>> The curly brackets are for placeholders in your JS application. These are
>> replaces by the XYZ indexes of the tile.
>> Try the following request:
>>
>>
>> C:/ms4w/Apache/site/mapfile/vue_prescription_pgts_wfs.map&mode=tile&tilemode=gmap&tile=12+447+1988&layers=prescription&
>>
>> There is a full working example in the MapServer workshop at:
>> https://geographika.github.io/getting-started-with-mapserver/outputs/tiles/
>>
>> Seth
>>
>> --
>> web:https://geographika.net & https://mapserverstudio.net
>> mastodon: @geographika at mastodon.social
>>
>> On Fri, Jul 25, 2025, at 2:11 PM, mathias cunault via MapServer-users
>> wrote:
>>
>> Mapserver 7.6
>> I try to create MapBox vectorTile to use with Openlayers.
>> Here is my mapfile :
>> MAP
>> NAME " WFS Prescription"
>>
>> SIZE 256 256
>>
>> FONTSET "C:\ms4w\Apache\site\fonts\fonts.txt"
>>
>> OUTPUTFORMAT
>> NAME "mvt"
>> DRIVER "MVT"
>> MIMETYPE "application/vnd.mapbox-vector-tile"
>> EXTENSION "pbf"
>>   END
>>
>> EXTENT -7029101.058003008 -2435968.9856906775 6204182.853414171
>> 6634638.986072871 #xmin ymin xmax ymax
>>
>> UNITS METERS
>> DEBUG 5
>> CONFIG "CPL_DEBUG" "ON"
>> CONFIG "PROJ_DEBUG" "ON"
>> CONFIG MS_ERRORFILE
>> "C:/ms4w/Apache/error/errorMapFile_prescription_pgts.txt"
>>
>> SYMBOLSET "C:\ms4w\Apache\site\symbols\symbols.sym"
>>
>> PROJECTION # proj de sortie
>> "init=epsg:3857"
>> END
>>
>> WEB
>> METADATA
>> "wfs_title" "WFS-Inrap, Prescription"
>> "wfs_onlineresource" "http://
>> .../mapserv.exe?MAP=C:/ms4w/Apache/site/mapfile/vue_prescription_pgts_wfs.map&"
>> "wfs_srs" "EPSG:3857 EPSG:900913"
>> "wfs_enable_request" "*"
>> "wfs_abstract" "WFS diffusant la couche prescrition_pgts de Caviar pour
>> l'application Iliad."
>> "wms_srs" "EPSG:3857"
>> END #fin metadata
>> END #end web
>>
>> LAYER
>> NAME "prescription"
>> TYPE POLYGON
>> CONNECTIONTYPE POSTGIS
>> CONNECTION "host=xxxx dbname=xxx user=xxx password=xxx port=5432"
>> DATA "geom from iliad.prescription_pgts as foo using unique gid using
>> SRID=3857"
>> PROCESSING "CLOSE_CONNECTION=DEFER"
>> #PROCESSING "TILE_DATASET=true"
>> METADATA
>> "gml_include_items" "all" #obligé pour afficher attributs getfeatureinfo
>> "wfs_title" "Inrap Prescription"
>> "wfs_srs" "EPSG:3857" car le même que section WEB, inutile.
>> "ows_featureid" "gid"
>> "wfs_enable_request" "*"
>> "wfs_getfeature_formatlist" "geojson, application/json, json"
>> "wfs_use_default_extent_for-getfeature" "false"
>> END #fin metadata prescription
>> TEMPLATE "bidon.html" #obligé pour afficher attributs getfeatureinfo
>> END #fin layer prescription
>> END
>> First, I test with a request like :
>> http://
>> .../mapserv.exe?MAP=C:/ms4w/Apache/site/mapfile/vue_prescription_pgts_wfs.map&mode=tile&tilemode=gmap&tile={12}+{447}+{1988}&layers=prescription&
>> All I get is :
>> msDrawMap(): Image handling error. Unable to initialize image.
>> msPrepareImage(): Image handling error. Unable to initialize image.
>> SUPPORTS=PBF is in mapserv.exe -v
>> EXTENT is that of my data.
>> I did not find any leads in RFC-119 (but I don't understand all that I
>> read.)
>> I have no idea how to solve this problem.
>>
>> Cordialement,
>>
>> *----------*
>> *Mathias Cunault*
>>
>> *référent SIG / Admin Caviar*
>>
>> *Inrap Tours - 148 av. Maginot37000 TOURS06 32 05 98 96*
>> abonnez-vous à la lettre d'information de l'Inrap : http://ww
>> <http://www.inrap.fr/newsletter.php>w.inrap.fr/newsletter.php
>> <http://www.inrap.fr/newsletter.php>
>> _______________________________________________
>> MapServer-users mailing list
>> MapServer-users at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/mapserver-users
>>
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/mapserver-users/attachments/20250725/84e63703/attachment-0001.htm>