function(viewName, params, cb){
			_.assertLength(arguments, 3)
			_.assertDefined(params)
			
			var s = schema[viewName];
			if(s === undefined) _.errout('unknown view: ' + viewName)
			
			var viewCode = s.code;
			
			//log('getting snapshots: ' + JSON.stringify(params))
			var getMsg = {typeCode: viewCode, params: pu.paramsStr(params, s.viewSchema.params)}
			_.assert(getMsg.params != 'null')
			var pathPrefix = serverStateUid + '/' + viewCode + '/'
			cc.getSnapshots(getMsg, _.once(makeGetSnapshotsCallback(serverStateUid, s, viewCode, params, pathPrefix, cb)));
		}
function(viewName, params, cb){
			_.assertLength(arguments, 3)
			_.assertDefined(params)
			
			var s = schema[viewName];
			if(s === undefined) _.errout('unknown view: ' + viewName)
			
			var viewCode = s.code;
			
			
			var getMsg = {typeCode: viewCode, params: pu.paramsStr(params, s.viewSchema.params)}
			_.assert(getMsg.params != 'null')
			var pathPrefix = serverStateUid + '/' + viewCode + '/'
			cc.getSnapshots(getMsg, _.once(makeGetSnapshotsCallback(serverStateUid, s, viewCode, params, pathPrefix, cb)));
		}
function ( viewName , params , cb ) { _ . assertLength ( arguments , 3 ) _ . assertDefined ( params ) var s = schema [ viewName ] ; if ( s === undefined ) _ . errout ( 'unknown view: ' + viewName ) var viewCode = s . code ; //log('getting snapshots: ' + JSON.stringify(params)) var getMsg = { typeCode : viewCode , params : pu . paramsStr ( params , s . viewSchema . params ) } _ . assert ( getMsg . params != 'null' ) var pathPrefix = serverStateUid + '/' + viewCode + '/' cc . getSnapshots ( getMsg , _ . once ( makeGetSnapshotsCallback ( serverStateUid , s , viewCode , params , pathPrefix , cb ) ) ) ; }
/*getViewFilesHistorical: function(viewName, params, cb){
_.assertLength(arguments, 3)
_.assertDefined(params)

var s = schema[viewName];
if(s === undefined) _.errout('unknown view: ' + viewName)

var viewCode = s.code;

log('getting snapshots: ' + JSON.stringify(params))
var getMsg = {typeCode: viewCode, params: newViewSequencer.paramsStr(params), isHistorical: true}
_.assert(getMsg.params != 'null')
var pathPrefix = serverStateUid + '/' + viewCode + '/'

var key = computeSnapParamsKey(params)
var url = pathPrefix + '-1/-1/' + key
cc.getSnapshots(getMsg, _.once(makeGetSnapshotsCallback(serverStateUid, s, viewCode, params, pathPrefix, cb)));
}, returns the paths for the snapshots for the view
/ * getViewFilesHistorical : function ( viewName params cb ) { _ . assertLength ( arguments 3 ) _ . assertDefined ( params )