Hi,
I have set up a mapserver/mapcache service for tiled background maps,
which offers WMTS and TMS services in the EPSG:31468 projection.
The TMS tiles I've verified to be correctly placed, however the WMTS
tiles get placed with a one tile offset to the south compared to the TMS
tiles.
Please see the screenshot:
http://markus-spring.info/varia/wmts_tms_offset_problem.jpg
The grid definition is as follows:
<grid name="MUC31468">
<metadata>
<title>Mapcache Service City of Munich EPSG 31468</title>
</metadata>
<srs>EPSG:31468</srs>
<size>256 256</size>
<extent>4440016 5313983 4492016 5359983</extent>
<units>m</units>
<resolutions>141.11153491115225 70.55561745557612
42.33331047334567 35.27775872778806
26.458319045841048
17.63887936389403 8.819439681947015
3.527775872778806
2.6458319045841043 1.763887936389403
0.8819439681947016
0.35277758727788067
0.17638879363894033</resolutions>
</grid>
and the tileset
<tileset name="karte_2014-1">
<source>karte_2014-1</source>
<cache>disk</cache>
<metadata>
<title>karte_2014-1</title>
<abstract></abstract>
</metadata>
<format>PNG</format>
<metatile>5 5</metatile>
<metabuffer>10</metabuffer>
<expires>3600</expires>
<auto_expire>86400</auto_expire>
<dimensions>
<dimension type="regex" name="MAPFILE"
default="/path/to/mapfile.map">^[a-zA-Z0-9\./]*\.map$</dimension>
</dimensions>
<grid>MUC31468</grid>
</tileset>
while the services (for OpenLayers 2.13) are these:
var wmts = new OpenLayers.Layer.WMTS({
name: "WMTS basemap",
url: "http://centmap/mapcache/wmts?";,
layer: "karte_2014-1",
matrixSet: "MUC31468",
format: "image/png",
style: "default",
opacity: 0.7,
maxExtent: maxExtent,
isBaseLayer: true
});
var tms = new OpenLayers.Layer.TMS(
"TMS basemap",
"http://centmap/mapcache/tms/";,
{ layername: "karte_2014-1",
type: "png" }
);
Any help would be greatly appreciated.
---Markus
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