[MapServer-users] MVT Unable to initialize image

[Jeff McKenna]

Also be sure to always define a PROJECTION block for each of your layers.

Have a nice weekend,

-jeff




-- 
Jeff McKenna
GatewayGeo: Developers of MS4W, & offering MapServer Consulting/Dev
co-founder of FOSS4G
http://gatewaygeo.com/



On 2025-07-25 1:42 p.m., Jeff McKenna wrote:
> Hi Mathias,
> 
> What happens if you try in your request: &TILE=0+0+0 (and remove the 
> &map.imagetype part) ?
> 
> (that's what I did while documenting steps for the page https:// 
> mapserver.org/output/tile_mode.html )
> 
> Recent MS4W versions also include an MVT demo as well as a local.map 
> test file, so you could:
> 
> 
> - first try in your browser http://127.0.0.1/cgi-bin/mapserv.exe?MAP=/ 
> ms4w/apps/local-demo/ 
> local.map&MODE=tile&TILEMODE=gmap&TILE=0+0+0&LAYERS=countries  (you 
> should see a map image of the world countries in your browser)
> 
> - then add your OUTPUTFORMAT for MVT into local.map, and then try:
> 
> http://127.0.0.1/cgi-bin/mapserv.exe?MAP=/ms4w/apps/local-demo/ 
> local.map&MODE=tile&TILEMODE=gmap&TILE=0+0+0&LAYERS=countries&map.imagetype=mvt
> 
> If that fails, you might have to upgrade your MS4W version.
> 
> But if that works, I would then paste your "prescription" layer into 
> local.map, and reload that same request in your browser.
> 
> thanks,
> 
> (and thanks for using MS4W)
> 
> -jeff
> 
> 
>