[gpl_list] Projections for AGOL

[MATHER David * DAS]

Diana,

We are using EPSG 3857 when we want our maps to work with the tiling scheme for Google, Bing, or Esri's free arcgis online resources, such as http://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer

http://spatialreference.org/ref/sr-org/epsg3857-wgs84-web-mercator-auxiliary-sphere/

Hopefully Esri will fix their measuring tool.

=============================
David Mather, GISP
Geospatial Data Administrator
Geospatial Enterprise Office
155 Cottage Street NE
Salem, OR 97301
503-378-2166
gis.oregon.gov
=============================
Data Classification: Level 1 - Published


From: gpl_list [mailto:gpl_list-bounces at listsmart.osl.state.or.us] On Behalf Of Diana Walker
Sent: Wednesday, July 09, 2014 5:32 PM
To: gpl_list gpl_list
Subject: [gpl_list] Projections for AGOL

Hi All,
I am wondering when you publish a feature service to AGOL or a service to ArcServer to be used on AGOL what projection to you use?

I was told by Eric E. to always use WGS_1984_Web_Mercator_Auxiliary_Sphere, for various reasons.

Well we had discovered an issue with this projection in using the measure tool in AGOL viewer.  Call Esri, the Tech told me I need to us WGS_1984 geographic projection and not a project coordinate system projection, such as WGS_1984_Web_Mercator_Auxiliary_Sphere.  The fun (ha ha thing) is that the WGS_1984_Web_Mercator_Auxiliary_Sphere, was not giving us measuring problems a month ago.

Therefore my question.

Thanks,

Diana
_______________________________________________________________________________
Diana Walker - GIS Coordinator - dlwalker at oda.state.or.us<mailto:dlwalker at oda.state.or.us>
Oregon Department of Agriculture - Natural Resources Division - 503-986-4788



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