[Geomoose-users] RE: taking advantage of cached ArcGIS rest services

[Brian Fischer]

Mark,
Currently the only support GeoMOOSE has to use an ArcGIS Server map services is through export command from the REST endpoint.  I have noticed someone submitted a patch for OL 2.11 that says it will read tiles directly.  I'm interested in testing this for GM 2.6 and evaluating whether we can get GeoMoose to support AGS map caches.  The patch says it is only for AGS 9.3.1 so I'm not sure if it will work for AGS 10 caches or the mixed mode caches.  See OL ticket for more info http://trac.osgeo.org/openlayers/ticket/3030

Brian Fischer, CFM
GIS Manager
Houston Engineering, Inc.
O 763.493.4522 | D 763.493.6664 | M 763.229.2734

From: geomoose-users-bounces at lists.osgeo.org [mailto:geomoose-users-bounces at lists.osgeo.org] On Behalf Of Mark Volz
Sent: Thursday, December 29, 2011 2:15 PM
To: geomoose-users at lists.osgeo.org
Subject: [Geomoose-users] taking advantage of cached ArcGIS rest services

Hello,

I was wondering if it is possible to take advantage of cached ArcGIS rest services.  I would like to see If I could make Geomoose run as fast as possible, which I guess that would involve ArcGIS Server to send images directly from the cache as opposed to resample images.

If that can be done I have a couple questions:

*         How do we pull images directly from the ArcGIS cache, and have ArcGIS resample images?  (or is that done automatically)
*         Some cached layers in ArcGIS are now in a mixed mode, therefore ArcGIS stores either PNG and JPG to the cache.  Do we leave out <param name="FORMAT" value="PNG"/>?
*         Is there any concern with Mapserver / GeoMoose assuming a 72 dpi while ArcGIS assumes a 96?


Any other advice would be appreciated

Thanks


<map-source name="MyArcGISRestLayer" type="ags" reference="false" projection='EPSG:103749'>
<url>http://mygisServer.org/arcgis/rest/services/Maps/MyMap/MapServer/export</url<http://mygisServer.org/arcgis/rest/services/Maps/MyMap/MapServer/export%3c/url>>
<layer name="MyMap"/>
<param name="FORMAT" value="PNG"/>
</map-source>


Mark Volz
GIS Specialist
Lyon County, MN
507-532-8218



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