Print

Print


This is a known incompatibility between the LCSim builtin classes - a 
CalorimeterHit read from LCIO (SIOCalorimeterHit) has a corrected energy 
but no raw energy, and the LCSim base implementation of Cluster 
(BaseCluster) uses the hit raw energy. We've always tried to avoid this by 
using corrected energy when possible.

The HPS subclasses of BaseCluster do not override that behavior; it's not 
"our fault" that the cluster code crashes. But either BaseCluster gets 
changed so it doesn't use raw energy, or we override the methods of 
BaseCluster that do.

On Mon, 15 Dec 2014, Kyle McCarty wrote:

> Hello hps-software,
>
> I am trying to write a version of the GTP clustering algorithm to run over
> EVIO readout data and form clusters from the hits. This is useful both to
> get cluster data that closely matches what the hardware is actually seeing
> and also for trigger verification and diagnostic drivers, since these will
> need to run the trigger over clusters that match the hardware.
>
> I am running into a problem with this because the readout hits do not
> declare a raw energy and attempting to access it causes a RuntimeException.
> Normally, we use corrected energy, which is available, but the addHit
> method in HPSEcalCluster apparently calls getRawEnergy at some point and
> thusly crashes the simulation.
>
> Is there a way to fix this so that the hits in the EVIO readout will have
> this value when converted to LCIO? Alternatively, should we change the
> HPSEcalCluster to use the corrected energy?
>
> Thanks,
>
> Kyle
>
> ########################################################################
> Use REPLY-ALL to reply to list
>
> To unsubscribe from the HPS-SOFTWARE list, click the following link:
> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1
>

########################################################################
Use REPLY-ALL to reply to list

To unsubscribe from the HPS-SOFTWARE list, click the following link:
https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1