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Hello Sho,

You're right; that was stupid of me. I copied the name to the first if
statement, and missed doing so for the second instance.

Also, that file name does not sound like pass3 - it's probably pass2.
>

That might be; I couldn't remember for sure which it was.

Thanks,

Kyle

On Sun, Oct 25, 2015 at 2:23 PM, Sho Uemura <[log in to unmask]> wrote:

>  tridentCandidates = event.get(ReconstructedParticle.class,
> clusterCollectionName);
>
> you're using clusterCollectionName.
>
> Also, that file name does not sound like pass3 - it's probably pass2.
>
>
> On Sun, 25 Oct 2015, Kyle McCarty wrote:
>
> Hello hps-software,
>>
>> I am trying to look at V0 candidate particles.According to confluence (
>>
>> https://confluence.slac.stanford.edu/display/hpsg/MC+Recon+Collection+Definitions
>> ),
>> the collection for (say, unconstrained) V0 candidates is
>> "UnconstrainedV0Candidates" and should be of type "ReconstructedParticle."
>>
>> When running on this collection, however, I get ClassCastException errors.
>> I tried this code to check the object type of the collection:
>>
>>        String tridentCollectionName = "UnconstrainedV0Candidates";
>>
>>>         List<ReconstructedParticle> tridentCandidates = null;
>>>         if(event.hasCollection(ReconstructedParticle.class,
>>> tridentCollectionName)) {
>>>             tridentCandidates = event.get(ReconstructedParticle.class,
>>> clusterCollectionName);
>>>         } else {
>>>             tridentCandidates = new ArrayList<ReconstructedParticle>(0);
>>>         }
>>>
>>>         for(Object o : tridentCandidates) {
>>>             System.out.println(o.getClass().getName());
>>>         }
>>>
>>
>>
>> It outputs "org.lcsim.lcio.SIOCluster" as the object type of V0 candidate
>> collection. Can anyone assist me with figuring out what is wrong here? Am
>> I
>> accessing something incorrectly? I am using the file
>> "hps_005772.10_recon_R340.slcio" (should be from pass-3) if that helps.
>>
>> Thanks,
>>
>> Kyle
>>
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