[Tilecache] Using OpenLayers to hit a type=ArcXML tilecache

[David Siegel]

I've got a question on how to set up OpenLayers to hit a tilecache  
that's pointing to an ArcXML request. I can seed a tilecache just fine  
with my configuration and then use it with OL. However, I can not  
figure out how to use OL to hit the service through my tilecache  
config. Specifically, I use layer = new OpenLayers.Layer.TileCache()  
to point to the tilecache but what's the syntax to point to an ArcXML?  
I don't see anything like OpenLayers.Layer.ArcXML() for example. I've  
made some headway with WMS but I expect there's a direct way to hit  
type=ArcXML.

My tilecache config;

[worldmap2]
type=ArcXML
url=http://dixon.hul.harvard.edu:8080/servlet/com.esri.esrimap.Esrimap?ServiceName=simone1&ClientVersion=9.2
layers=0
bbox=-20037507,-20037507,20037507,20037507
size=256,256
projection=PROJCS["GoogleSphere",GEOGCS["GoogleSphereCS",DATUM["<custom>",SPHEROID["<custom>",6378137.0,0.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["standard_parallel_1",0.0],UNIT["Meter",1.0]]

And my OL pointing to the tilecache:
       function init(){
           map = new OpenLayers.Map( $('map'));
           layer = new OpenLayers.Layer.TileCache("TileCache Layer",
                   "http://dixon.hul.harvard.edu/output/tilecache/",  
"worldmap2",
                   {
                   'format': 'image/png',
                   maxResolution: 256/256 // same as the TileCache config
                   }
           );
           map.addLayer(layer);
           map.addControl(new OpenLayers.Control.Permalink());
           if (!map.getCenter()) map.zoomToMaxExtent();
       }

Thanks

Dave

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