[MapProxy] WMTS MatrixWidth at Level 0

[Starck Heinrich]

Hello,

I try to access to a WMTS offer of our local government:
http://srv.doris.at/arcgis/rest/services/Basisdaten/FlaeWi/MapServer/WMTS/1.0.0/WMTSCapabilities.xml

But I get the wrong tiles. X,Y are to low.

Mapproxy:
         http://srv.doris.at/arcgis/rest/services/Basisdaten/FlaeWi/MapServer/WMTS/tile/1.0.0/Basisdaten_FlaeWi/default/default028mm/9/5/45.png

Correct something like this:
         http://srv.doris.at/arcgis/rest/services/Basisdaten/FlaeWi/MapServer/WMTS/tile/1.0.0/Basisdaten_FlaeWi/default/default028mm/6/3449/4182.png

I think the reason is the TileMatrixSet definition:

<TileMatrixSet>
         <ows:Title>TileMatrix using 0.28mm</ows:Title>
         <ows:Abstract>The tile matrix set that has scale values calculated based on the dpi defined by OGC specification (dpi assumes 0.28mm as the physical distance of a pixel).</ows:Abstract>
         <ows:Identifier>default028mm</ows:Identifier>
         <ows:SupportedCRS>urn:ogc:def:crs:EPSG::31255</ows:SupportedCRS>
         <TileMatrix>
                   <ows:Identifier>0</ows:Identifier>
                   <ScaleDenominator>2267861.678580215</ScaleDenominator>
                   <TopLeftCorner>5001000.0 -5622500.0</TopLeftCorner>
                   <TileWidth>256</TileWidth>
                   <TileHeight>256</TileHeight>
                   <MatrixWidth>36</MatrixWidth>       <------ Level 0 starts with [36:60] instead of [1:1]
                   <MatrixHeight>60</MatrixHeight>
         </TileMatrix>
         <TileMatrix>
                   <ows:Identifier>1</ows:Identifier>
                   <ScaleDenominator>1133930.8392901076</ScaleDenominator>
                   <TopLeftCorner>5001000.0 -5622500.0</TopLeftCorner>
                   <TileWidth>256</TileWidth>
                  <TileHeight>256</TileHeight>
                   <MatrixWidth>71</MatrixWidth>
                   <MatrixHeight>119</MatrixHeight>
         </TileMatrix>
         ...

I found no way to reflect this in my mapproxy.yaml.
Is there a config possibility/solution?


Or can I hack the mapproxy python source?
A first look shows me no starting point.
Currently I don't understand metatile,tile pattern etc. and their relationships.

best regards,

Heinrich.




mfG,
Heinrich Starck
Konzern-IT-Services
Consultant

Energie AG Oberösterreich Business Services GmbH
Böhmerwaldstraße 3, 4020 Linz, Austria
Sitz: Linz, FN 282575 b LG Linz

Tel.: +43 (0)732 9000-3491
Fax: +43 (0)732 9000-53491
Mobil: +43 (0)664 60 165 3491
E-Mail: heinrich.starck at energieag.at<mailto:heinrich.starck at energieag.at>
Internet: www.energieag.at<http://www.energieag.at/>


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