[MapProxy] WMTS will only be output up to zoomlevel 19

[Just van den Broecke]

Hi David,

I hope I understand this right. For additional (or less) zoomlevels I 
have been defining custom grids with custom resolution arrays in the MP 
config, for example for levels 0-23, derived from GLOBAL_MERCATOR:

   opentopo_extent_grid:
     base: GLOBAL_MERCATOR
     tile_size: [256, 256]
     srs: 'EPSG:900913'
     # zoom 0-23
     # See https://gist.github.com/gagan-bansal/db6fb206f61b38f2f1c3
     res: [156543.03392804097,
            78271.51696402048,
            39135.75848201024,
            19567.87924100512,
            9783.93962050256,
            4891.96981025128,
            2445.98490512564,
            1222.99245256282,
            611.49622628141,
            305.748113140705,
            152.8740565703525,
            76.43702828517625,
            38.21851414258813,
            19.109257071294063,
            9.554628535647032,
            4.777314267823516,
            2.388657133911758,
            1.194328566955879,
            0.5971642834779395,
            0.29858214173896974,
            0.14929107086948487,
            0.07464553543474244,
            0.03732276771737122,
            0.01866138385868561]

The GIST above is for the calculation, since they must follow the 
Google/OSM resolution formula. The above is also in the MP 
documentation. (a bit oldish above EPSG:900913 is more or less obsolete, 
now EPSG:3857).

Best,

Just


On 11-08-20 20:43, D.Viert wrote:
> Hello everyone,
> 
> i use mapproxy to output a WMTS service from MBTILES. Now I wanted to 
> publish drone images and I thought that the WMTS will only be output up 
> to zoomlevel 19 although the MBTILES allow level 21.
> 
> Unfortunately I can't find a way to change this. If I enter the URL 
> directly in my webbrowser (e.g. 
> /wmts/drone/GLOBAL_MERCATOR/20/561964/344308.png) I get the message:
> 
> "The requested tile is outside the bounding box of the tile map"
> 
> But zoom level 19 works and gives me a tile.
> 
> Can someone explain to me what this is all about?
> 
> Thanks in advance.
> 
> Many greetings from Potsdam
> 
> David
> 
> 
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