Hi Jim, It seems like this should be possible and should work. Could you send me your workflow so I can give it a try and see if I can find the problem?
thanks, chad Jim Amrhein wrote: > Hi, > I'm trying to get a "string feedback loop" that involves multiple > actors, instead of normal single actor. > The test I'm trying to do is have a Loop Actor build a search string > based on Spatial region that gets executed in the Search Actor until we > either find results or the search region grows to be +-90,+-180. Any > results get sent back to the Loop Actor via an input String for > confirmation, before being forwarded to other actors for processing. > The Spatial region grows by 1 degree every iteration. > > The search Actor will aways return a String back to the Loop Actor's > input. > Which can either be "Found result" when a search is successful , or > "No Data" when a search fails. > > But, I'm running into a various set of problems based on which Director > I try to use: > > When using a SDF Director I get the normal Error "Actors remain cannot > be scheduled!". I tried modify the SampleDelay actor to send "No Data", > but that didn't work and I'm not planning to use numerical values. > Eventually the "Found data" will be replaced with the actual Results found. > ... PN Director , I see the Ramp executed once (with a value of > "1"), then execution finishes, without any further output. > ... DDF Director , The code executes without any output (none > of the STDOUT messages I have get printed, even tho the loop completes) > > Any suggestions would be appreciated. > > Thanks, > JSA > > _______________________________________________ > Kepler-users mailing list > Kepler-users at kepler-project.org > http://mercury.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
