[MS4W-Users] Help me reference an MVT layer from Mapfile

[Brent Fraser]

Hi Petrovicz,

Have you had any success solving your problem?

Best regards,

Brent


Best Regards,
Brent Fraser

On 2021-12-30 4:29 AM, Benedek Petrovicz via MS4W-Users wrote:
> Hi!
>
> I'm trying to add an MVT layer to my Mapfile, but it doesn't work and 
> I ran out of ideas.
> Some info about the layer I'm trying to add: 
> /https://support.regrid.com/articles/using-the-tileserver/ 
> <https://support.regrid.com/articles/using-the-tileserver/>/
>
> This is my LAYER definition in my Mapfile (based on the guidance of 
> /https://gdal.org/drivers/vector/mvt.html 
> <https://gdal.org/drivers/vector/mvt.html>/ and 
> /https://mapserver.org/input/vector/ogr.html 
> <https://mapserver.org/input/vector/ogr.html>/)
> LAYER
> NAME "Parcel"
> TYPE POLYGON
> CONNECTIONTYPE OGR
> CONNECTION "MVT:https://tiles.regrid.com/api/v1/parcels/{z} 
> <https://tiles.regrid.com/api/v1/parcels/{z}>"
> DATA "parcels"
> STATUS ON
> END
>
> _By debugging the layer I get the following logs:_
>     [Thu Dec 30 12:17:42 2021].906000 
> msOGRFileOpen(MVT:https://tiles.regrid.com/api/v1/parcels/{z}). 
> <https://tiles.regrid.com/api/v1/parcels/{z}).>..
>     [Thu Dec 30 12:17:42 2021].906000 
> OGROPen(MVT:https://tiles.regrid.com/api/v1/parcels/{z} 
> <https://tiles.regrid.com/api/v1/parcels/{z}>)
>     [Thu Dec 30 12:17:43 2021].133000 msOGRFileOpen(): OGR error. Open 
> failed for OGR connection in layer `Parcel'. File not found or 
> unsupported format. Check server logs.
>     [Thu Dec 30 12:17:43 2021].133000 msDrawMap(): Image handling 
> error. Failed to draw layer named 'Parcel'.
>     [Thu Dec 30 12:17:43 2021].134000 freeLayer(): freeing layer at 
> 01012900.
>
> I'm expecting this to work because the following *ogrinfo *command 
> runs without any issues:
> *ogrinfo "MVT:https://tiles.regrid.com/api/v1/parcels/14/3579/6522.mvt 
> <https://tiles.regrid.com/api/v1/parcels/14/3579/6522.mvt>" parcels*
> *
> *
> I couldn't find a single example online about adding an MVT layer to a 
> Mapfile.
>
> Is there anyone who could prompt me in the right direction or just 
> have a working example?
>
> Thanks in advance
> Petrovicz
>
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