[MapProxy] MapProxy serving gdal2tiles output

[Angelos Tzotsos]

Hi,

On 11/28/2012 11:32 PM, Paul Norman wrote:
>> From: mapproxy-bounces at lists.osgeo.org [mailto:mapproxy-
>> Subject: Re: [MapProxy] MapProxy serving gdal2tiles output
>>
>>> What I am doing is defining a cache without a source, giving the
>> directory where the tile structure is located.
>>> I followed the documentation and some information I got asking on IRC
>> and this is my yaml file so far:
>>> http://pastebin.com/wAkM4G2d
>> This looks good. The tricky part will be to configure the right grid of
>> your tiles. I don't know how gdal2tiles works for non-4326/3875 images.
>> Does gdal2tiles give you some information (resolutions, bbox)?
>> I would remove min_res and add all resolutions that are tiled.
> By default gdal2tiles uses the OGC TMS spec instead of the Google/OSM one.
> It's fairly trivial to convert between these with a shell script.
Yes I have used the default setting in gdal2tiles.
>
> I have a source which is gdal2tiles generated and what I did was copy up to
> z18 to my remote server and then have it fetching z19 and z20 from my home
> server. The grid definition I used is
>
>    z20:
>      # About 100mm/px in Vancouver
>      base: GLOBAL_MERCATOR
>      origin: ul
>      num_levels: 21
>
> The relevant cache and source are
>
>    surrey2011_cache:
>      grids: [z20]
>      sources: [merry_surrey2011_tms]
>      format: image/png
>      cache:
>        type: file
>        directory_layout: tms
>
>    merry_surrey2011_tms:
>      type: tile
>      url: http://home.server.name/tiles/Surrey2011/%(tms_path)s.png
>      grid: z20
>      transparent: true
>      coverage:
>        polygons: 'wkt/surrey2011.wkt'
>        polygons_srs: 'EPSG:4326'
So you use a TMS from home and you recreate the cache to the remote server.
This way the tiles are duplicated, right?
>
> I believe all you'd have to do to use the OCG TMS numbering is change the
> origin.
>
>
I have changed the origin to both 'nw' and 'sw' with no result. There 
must be something wrong going on with EPSG:2100...

-- 
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos