[MS4W-Users] [mapserver-users] Mapcache WMTS - imagery is offset in ArcGIS when using WMTS services.
Mark Volz
MarkVolz at co.lyon.mn.us
Mon Apr 15 15:08:25 EDT 2019
Tanya,
Here is the source, tileset, and layer definitions of my mapcache and mapserver file.
Thank You
<source name="LQPBaseMapSource" type="wms">
<http>
<url>http://geomoose.lyonco.org/cgi-bin/mapserv.exe?map=/ms4w/apps/LQPMaps/maps/StandardBackground.map&</url>
</http>
<getmap>
<params>
<FORMAT>image/jpeg</FORMAT>
<LAYERS>Cities</LAYERS>
</params>
</getmap>
</source>
<tileset name="TestLyonBaseMap">
<source>LyonBaseMapSource</source>
<cache>disk</cache>
<metadata>
<title>Test Lyon County BaseMap</title>
<abstract>Test Lyon County Basemap</abstract>
<wgs84boundingbox>-96.096 44.191 -95.587 44.640</wgs84boundingbox>
</metadata>
<grid>WGS84</grid>
<grid>UTM15</grid>
<grid>LyonCC</grid>
<format>myjpeg</format>
<metatile>4 4</metatile>
<metabuffer>0</metabuffer>
<expires>31536000</expires>
</tileset>
######################
LAYER
NAME 'Cities'
TYPE POLYGON
DATA '../../maps/LyonCounty/Boundaries/CityLimits'
MINSCALEDENOM 15000
STATUS DEFAULT
TRANSPARENCY 100
CLASS
NAME 'Cities'
STYLE
#SYMBOL 'plainline'
SIZE 2
#OUTLINECOLOR 80 80 0
COLOR 255 255 220
END #STYLEEND
END #class
END # cities layer
Sincerely,
Mark Volz, GISP
Lyon County GIS Coordinator
From: MS4W-Users <ms4w-users-bounces at lists.ms4w.com> On Behalf Of TC Haddad via MS4W-Users
Sent: Monday, April 15, 2019 1:08 PM
To: Discussions for MS4W (MapServer for Windows) <ms4w-users at lists.ms4w.com>
Cc: TC Haddad <tchaddad at gmail.com>
Subject: Re: [MS4W-Users] [mapserver-users] Mapcache WMTS - imagery is offset in ArcGIS when using WMTS services.
SWHHS/LYON/LINCOLN COUNTY SECURITY NOTICE:
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Hi Mark, can you post the mapcache settings that you are using for the WMTS you are setting up?
Post the <source> block, and the <tileset> blocks of your Mapcache.xml, and if you are referencing a Mapserver map file configuration, post the LAYER definition.
On Mon, Apr 15, 2019 at 7:59 AM Mark Volz via MS4W-Users <ms4w-users at lists.ms4w.com<mailto:ms4w-users at lists.ms4w.com>> wrote:
Steve,
Thank you for your reply. When I changed the Mapcache projection to WGS84 the basemap did display in the correct location. However, when using UTM 15 (SRS 26915), and Lyon County MN Coordinates (103749) the image is still offset. What I find unusual is that when using WMS instead of WMTS the maps display in the correct location no matter what projection I am using.
Test Results for the service called “TestLyonBasemap” on http://geomoose.lyonco.org/mapcache/wmts/1.0.0/WMTSCapabilities.xml<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fgeomoose.lyonco.org%2fmapcache%2fwmts%2f1.0.0%2fWMTSCapabilities.xml&c=E,1,OuS8GsQ9KQr-29Nykcm9E9ER8Zb8p-PMEeqD405JkFuuufL0zBe5I8ZVZ8yKnfG118-xDGC_qtBg0hXkBBK9CZ6HCwBmm_otKEM7jilJewmTtWgK4pYBuJI,&typo=1>
WMTS: WGS84 – pass, Lyon County Coordinates 103749 – fail, UTM 15 – fail.
WMS: WGS84 – pass, Lyon County Coordinates 103749 – pass, UTM 15 – pass
I am not sure if I have something configured incorrectly, if there is a bug in MS4W 3.3.0, or if there is a limitation in WMTS when using UTM or Lyon County projections. Please let me know if you have any thoughts.
Thank You!
[cid:image001.jpg at 01D4F394.7D622380]
Sincerely,
Mark Volz, GISP
Lyon County GIS Coordinator
From: Lime, Steve D (MNIT) <steve.lime at state.mn.us<mailto:steve.lime at state.mn.us>>
Sent: Friday, April 12, 2019 5:00 PM
To: Mark Volz <MarkVolz at co.lyon.mn.us<mailto:MarkVolz at co.lyon.mn.us>>; mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>
Subject: RE: [mapserver-users] Mapcache WMTS - imagery is offset in ArcGIS when using WMTS services.
SWHHS/LYON/LINCOLN COUNTY SECURITY NOTICE:
This email originated from an external sender. Exercise caution before clicking on any links or attachments and consider whether you know the sender. For more information please contact IT support.
________________________________
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<mailto: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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