[MapProxy] Multiple Sources Presented as Single Layer

[Alberto Ponte]

Thanks!

If I used GLOBAL_WEBMERCATOR, how could I limit the tile source to zooms
0-15 and the WMS source to 16-18?

I read that if the tiles came from two sources that are different based on
zoom that I needed custom grids.

--al


On Tue, Dec 20, 2016 at 2:10 AM Oliver Tonnhofer <olt at omniscale.de> wrote:

> Hi,
>
>
>
> your grid resolutions are not right. You have resolutions in the
> sub-milimeter range (0.0001672060 # 18).
>
> The values on the right look better. Can't you use the GLOBAL_WEBMERCATOR
> grid?
>
>
>
> Regards,
>
> Oliver
>
>
>
> --
>
> Oliver Tonnhofer  | Omniscale GmbH & Co KG  | https://omniscale.com
>
> OpenStreetMap WMS and tile services         | https://maps.omniscale.com
>
>
>
>
>
>
>
>
>
> > On 16.12.2016, at 18:34, Alberto Ponte <al.g.ponte at gmail.com> wrote:
>
> >
>
> > We have two sources which we would like to present as a single layer.
>
> > The first source should be responsible for zooms 0-15 while the last
>
> > should be zooms 16-18.
>
> >
>
> > Based on the current configuration, zooms 0-14 and 16-18 work as
>
> > expected but zoom 15 requests tiles from both sources.  I'm guessing
>
> > my min_res/max_res values in cache are off.  Can anyone shed some
>
> > light?
>
> >
>
> > Also, if I wanted to seed this, would I just seed the sat_cache_out
> cache?
>
> >
>
> > Here are the resolutions I used for EPSG:3857 zooms 0 - 18:
>
> >
>
> >       43.8320494998 #  0      156543.03392800
>
> >       21.9160247499 #  1       78271.51696400
>
> >       10.9580123750 #  2       39135.75848200
>
> >        5.4790061875 #  3       19567.87924100
>
> >        2.7395030937 #  4        9783.93962050
>
> >        1.3697515469 #  5        4891.96981025
>
> >        0.6848757734 #  6        2445.98490513
>
> >        0.3424378867 #  7        1222.99245256
>
> >        0.1712189434 #  8         611.49622628
>
> >        0.0856094717 #  9         305.74811314
>
> >        0.0428047358 # 10         152.87405657
>
> >        0.0214023679 # 11          76.43702829
>
> >        0.0107011840 # 12          38.21851414
>
> >        0.0053505920 # 13          19.10925707
>
> >        0.0026752960 # 14           9.55462854
>
> >        0.0013376480 # 15           4.77731427
>
> >        0.0006688240 # 16           2.38865713
>
> >        0.0003344120 # 17           1.19432857
>
> >        0.0001672060 # 18           0.59716428
>
> >
>
> > Here is the configuration:
>
> >
>
> > layers:
>
> >  - name: Satellite
>
> >    title: MapLarge Satellite
>
> >    sources: [sat_cache_out]
>
> >
>
> > caches:
>
> >  sat_cache_in_low:
>
> >    grids: [low_zooms]
>
> >    sources: [sat_low_zooms]
>
> >    meta_size: [1,1]
>
> >    meta_buffer: 0
>
> >    cache:
>
> >      type: sqlite
>
> >      dirname: /var/lib/mod_tile/mapproxy_satellite/low_zooms/
>
> >  sat_cache_in_med:
>
> >    grids: [med_zooms]
>
> >    sources: [sat_med_zooms]
>
> >    meta_size: [1,1]
>
> >    meta_buffer: 0
>
> >    cache:
>
> >      type: sqlite
>
> >      dirname: /var/lib/mod_tile/mapproxy_satellite/med_zooms/
>
> >  sat_cache_out:
>
> >    grids: [GLOBAL_GEODETIC,GLOBAL_WEBMERCATOR]
>
> >    meta_size: [1,1]
>
> >    meta_buffer: 0
>
> >    sources: [sat_cache_in_low,sat_cache_in_med]
>
> >    cache:
>
> >      type: sqlite
>
> >      dirname: /var/lib/mod_tile/mapproxy_satellite/out/
>
> >
>
> > sources:
>
> >  sat_low_zooms:
>
> >    # zooms 0 - 15 FROM NATIONALMAP.GOV (TNM
>
> > https://viewer.nationalmap.gov/help/3.0%20TNM%20Base%20Maps.htm)
>
> >    type: tile
>
> >    url:
> http://basemap.nationalmap.gov/arcgis/rest/services/USGSImageryOnly/MapServer/tile/%(z)s/%(y)s/%(x)s
>
> >    grid: low_zooms
>
> >  sat_med_zooms:
>
> >    # zooms 16-18 @ 100% from NAIP
>
> >    type: wms
>
> >    wms_opts:
>
> >      version: 1.3.0
>
> >    req:
>
> >      url:
> http://ec2-54-161-169-51.compute-1.amazonaws.com/wms?map=/data/map/mapfiles/naip_docker.map&service=WMS
>
> >      layers: utm10-100pct
>
> >
>
> > grids:
>
> >  low_zooms:
>
> >    srs: EPSG:3857
>
> >    max_res: 2.38865713
>
> >    min_res: 156543.03392800
>
> >    origin: ul
>
> >  med_zooms:
>
> >    srs: EPSG:3857
>
> >    max_res: 0.29858214
>
> >    min_res: 2.38865713
>
> > _______________________________________________
>
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>
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>
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>
>
>
>
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