[mapserver-users] Mapcache WMTS - imagery is offset in ArcGIS when using WMTS services.

[Lime, Steve D (MNIT)]

The resolution doesn't matter. That just impacts scale computations internally so when layers/classes are on/off and how symbol/font scaling is done.

I just tried our Compass MapCache/WTMS service overlaid with a shapefile in UTM projected appropriately and they line up perfectly in ArcGIS 10.6. You can try it too with your data since you're in MN (http://maps1.dnr.state.mn.us/mapcache/wmts/1.0.0/WMTSCapabilities.xml). Does it behave any differently for you?

--Steve

From: mapserver-users [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Mark Volz
Sent: Friday, April 12, 2019 12:08 PM
To: mapserver-users at lists.osgeo.org
Subject: [mapserver-users] Mapcache WMTS - imagery is offset in ArcGIS when using WMTS services.

Hello,

I noticed that WMTS services are extremely fast when using Mapcache to serve tiles to ArcGIS clients.  However, the imagery appears to be shifted down significantly from the actual location.   I did notice that Mapserver and Mapcache use a 72 DPI while ArcGIS is using a 90.714 DPI.  In addition the image is the correct width and height.  In addition, when I use WMS the imagery appears in the correct location, however it is not as fast as WMTS.

Please let me know if there is a way to get ArcGIS to place imagery in the correct location when using WMTS and Mapcache.

Thanks

Sincerely,
Mark Volz, GISP
Lyon County GIS Coordinator

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