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

[Benedek Petrovicz]

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}"
    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})...
    [Thu Dec 30 12:17:42 2021].906000 OGROPen(MVT:
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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