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Could someone please help me with my issue? I try to use Mapproxy with OpenStreetMap server of tiles in order to get output WMS for my qgis client. Something like this: ...

    type: tile
    num_levels: 18
    origin: nw

But I see something strange with my tiles(North and West are confused):

I change it to and get many mistakes like:

TypeError: not enough arguments for format string, finally I add supported_format: image/png but the problem remained.

Can someone explain how it works with tiles ( %(z)s/%(y)s/%(x)s.png ) ?

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You need to reference the arcgis_online grid in your source configuration.

See also:

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