Or if you want the vertex chi-squared
vertex=reconV0.getStartVertex()
vertex.getChi2()
> On Oct 25, 2015, at 3:42 PM, Nathan Baltzell <[log in to unmask]> wrote:
>
> This should get it for the “particle"’s tracks:
>
> ReconstructedParticles::getTracks()
> Track::getChi2()
>
>
>
> On Oct 25, 2015, at 15:29, Omar Moreno <[log in to unmask]> wrote:
>
>> Currently, there is no chi squared available.
>>
>> On Oct 25, 2015 13:20, "Kyle McCarty" <[log in to unmask]> wrote:
>> Hello again,
>>
>> A hopefully more intelligent question: how can I get the χ2 value for a candidate particle? I don't see it as a method under ReconstructedParticle. Is there a utility that can calculate this automatically?
>>
>> Thanks,
>>
>> Kyle
>>
>> On Sun, Oct 25, 2015 at 2:25 PM, Kyle McCarty <[log in to unmask]> wrote:
>> 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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