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HPS-SOFTWARE  May 2014

HPS-SOFTWARE May 2014

Subject:

Re: problem running recon on MDC data

From:

"McCormick, Jeremy I." <[log in to unmask]>

Reply-To:

Software for the Heavy Photon Search Experiment <[log in to unmask]>

Date:

Wed, 7 May 2014 16:32:21 -0700

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (1 lines)

Hi, Omar.

I'm just going to CC this thread to the software list from now.

I can run the reconstruction now over all the events in this file after your fix:

http://www.slac.stanford.edu/~meeg/hps2/meeg/mock_data/tritrig-beam-tri_1-10_readout.slcio

I am using the steering file HPS2014OfflineRecon.lcsim which you recommended.

But I am still seeing a lot of problems with the ReconstructedParticle output...

1) Most of the events have no ReconstructedParticle collections in them at all.  

Every event should have these collections in them, even if they are empty:

BeamspotConstrainedV0Candidates
FinalStateParticles
UnconstrainedV0Candidates                                                                       
TargetConstrainedV0Candidates                                                                   

If the same set of collections are not present in every event, it becomes clunky to access the data, requiring a lot of unnecessary checks in the Driver code to see if the collection exists.  (EventHeader throws fatal exceptions if you try to access a collection that is not there!)

2) For the events that do have ReconstructedParticle collections in them, mostly they are empty, from what I can tell.  I just stepped through maybe the first 100 events in the sample, so I would need to confirm that this is true for the 12k events.  I only found one collection that had objects in it, and....

3) For the few events that I did find with ReconstructedParticles in them, the data is still all zeros.

Can you confirm these problems on your end?  Or did I do something wrong here in my configuration? 

BTW, when running the recon, you might put this Driver into your job along with the AidaSaveDriver to save the plots:

/hps-users/src/main/java/org/hps/users/jeremym/MockDataChallengeDiagnosticDriver.java

It plots basically all of the data in all the collections, so it can be used for diagnostics.

Or run its TestCase on your output data (just hand hack the TestCase for now):

/hps-users/src/test/java/org/hps/users/jeremym/MockDataChallengeDiagnosticDriverTest.java

Though right now it doesn't plot the ReconstructedParticle collections at all due to issue #1 (I set everything up automatically based on the collections in the first event but for this data set those collections aren't present in the first event!).

We can cover these issues in more detail at the software meeting.

--Jeremy

-----Original Message-----
From: Omar Moreno [mailto:[log in to unmask]] 
Sent: Wednesday, May 07, 2014 2:59 PM
To: Uemura, Sho
Cc: Graham, Mathew Thomas; McCormick, Jeremy I.; Moreno, Omar
Subject: Re: problem running recon on MDC data

Ah, OK.  Thanks Sho. ‚Äč


On Wed, May 7, 2014 at 2:58 PM, Sho Uemura <[log in to unmask]> wrote:


	It's slow because the time cuts are very loose, i.e. right now there is a trade-off between speed and recon efficiency, and we've chosen to maximize efficiency. It's still fast enough for the MDC.


	On Wed, 7 May 2014, Omar Moreno wrote:
	
	

		My recon is running unusually slow.  I thought this issue was fixed but
		
		maybe I'm mistaken.  Is anyone else having this problem??



		On Wed, May 7, 2014 at 2:50 PM, Omar Moreno <[log in to unmask]> wrote:
		
		

			The recon works now.
			
			
			On Tue, May 6, 2014 at 4:04 PM, Mathew Graham <[log in to unmask]>wrote:
			
			


				Right?that?s pretty unlikely.


				On May 6, 2014, at 3:10 PM, McCormick, Jeremy I. <
				[log in to unmask]> wrote:
				
				

					But I'm not sure that explanation makes sense, anyways, because it does
					

				get through 173 events before crashing, unless all those events had no
				tracks and Billoir was not activated until the crash...
				

					--Jeremy
					
					-----Original Message-----
					From: Graham, Mathew Thomas
					Sent: Tuesday, May 06, 2014 2:44 PM
					To: McCormick, Jeremy I.; Moreno, Omar
					Cc: Uemura, Sho
					Subject: Re: problem running recon on MDC data
					
					
					Yes...so I have no answers.
					
					On 5/6/2014 2:43 PM, McCormick, Jeremy I. wrote:
					

						Okay, I see what you mean.  But I'm running the entire reconstruction
						

				chain from HPS2014OfflineRecon.lcsim on the simulated readout data.  So
				shouldn't those classes be available?
				


						-----Original Message-----
						From: Graham, Mathew Thomas
						Sent: Tuesday, May 06, 2014 2:41 PM
						To: McCormick, Jeremy I.; Moreno, Omar
						Cc: Uemura, Sho
						Subject: Re: problem running recon on MDC data
						
						
						That line is casting the track as a SeedTrack and then getting a
						

				SeedCandidate...however, you can only do this if you run reconstructions
				reconstruction since SeedCandidate isn't persisted and isn't even known in
				lcio.
				


						On 5/6/2014 2:01 PM, McCormick, Jeremy I. wrote:
						

							Hi,
							
							I'm attempting to run the current version of the recon on this data
							

				from Sho.
				



				http://www.slac.stanford.edu/~meeg/hps2/meeg/mock_data/tritrig-beam-tr <http://www.slac.stanford.edu/~meeg/hps2/meeg/mock_data/tritrig-beam-tr> 
				

							i_1-10_readout.slcio
							
							However, I get a fatal exception some events into the job.
							
							

									Event 174
									

							java.lang.NullPointerException
							         at
							

				org.hps.recon.particle.HpsReconParticleDriver.toBilliorTrack(HpsReconParticleDriver.java:100)
				

							         at
							

				org.hps.recon.particle.HpsReconParticleDriver.vertexParticles(HpsReconParticleDriver.java:62)
				

							         at
							

				org.hps.recon.particle.ReconParticleDriver.process(ReconParticleDriver.java:142)
				

							         at org.lcsim.util.Driver.doProcess(Driver.java:273)
							         at org.lcsim.util.Driver.processChildren(Driver.java:284)
							         at org.lcsim.util.Driver.process(Driver.java:198)
							         at
							

				org.lcsim.util.DriverAdapter.recordSupplied(DriverAdapter.java:74)
				

							         at
							

				org.freehep.record.loop.DefaultRecordLoop.consumeRecord(DefaultRecordLoop.java:832)
				

							         at
							

				org.freehep.record.loop.DefaultRecordLoop.loop(DefaultRecordLoop.java:668)
				

							         at
							

				org.freehep.record.loop.DefaultRecordLoop.execute(DefaultRecordLoop.java:566)
				

							         at org.lcsim.util.loop.LCSimLoop.loop(LCSimLoop.java:152)
							         at
							org.lcsim.job.JobControlManager.run(JobControlManager.java:416)
							
							Any idea on what the problem could be and if it can be easily fixed?
							
							--Jeremy
							








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