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JeffersonLab / HDGeant4

Geant4 simulation for the GlueX experiment
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Differences between G3 and G4 in eta.pi #101

Closed cwsalgado closed 5 years ago

cwsalgado commented 5 years ago

geantProblem.pdf

rjones30 commented 5 years ago

Carlos,

Can you share the generator output hddm file with me, that you are injecting into hdgeant and hdgeant4?

-Richard

On Thu, Apr 4, 2019 at 12:15 PM Carlos Salgado notifications@github.com wrote:

geantProblem.pdf https://github.com/JeffersonLab/HDGeant4/files/3044467/geantProblem.pdf

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cwsalgado commented 5 years ago

Hello Richard,

The input file is at:

/w/halld-scifs17exp/halld2/home/salgado/EtaPi-W2MC/eventsW.hddm

That file was produced by genr8_2_hddm. Thank you for your help.

-Carlos

On Apr 4, 2019, at 1:44 PM, Richard Jones notifications@github.com<mailto:notifications@github.com> wrote:

Carlos,

Can you share the generator output hddm file with me, that you are injecting into hdgeant and hdgeant4?

-Richard

On Thu, Apr 4, 2019 at 12:15 PM Carlos Salgado notifications@github.com<mailto:notifications@github.com> wrote:

geantProblem.pdf https://github.com/JeffersonLab/HDGeant4/files/3044467/geantProblem.pdf

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rjones30 commented 5 years ago

Carlos,

Ok, got it, will take a look when I get a chance.

-Richard

On Thu, Apr 4, 2019 at 2:48 PM Carlos Salgado notifications@github.com wrote:

Hello Richard,

The input file is at:

/w/halld-scifs17exp/halld2/home/salgado/EtaPi-W2MC/eventsW.hddm

That file was produced by genr8_2_hddm. Thank you for your help.

-Carlos

On Apr 4, 2019, at 1:44 PM, Richard Jones <notifications@github.com mailto:notifications@github.com> wrote:

Carlos,

Can you share the generator output hddm file with me, that you are injecting into hdgeant and hdgeant4?

-Richard

On Thu, Apr 4, 2019 at 12:15 PM Carlos Salgado <notifications@github.com mailto:notifications@github.com> wrote:

geantProblem.pdf https://github.com/JeffersonLab/HDGeant4/files/3044467/geantProblem.pdf

— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub https://github.com/JeffersonLab/HDGeant4/issues/101, or mute the thread < https://github.com/notifications/unsubscribe-auth/AHeFWPMP19wXdoyKnMJzg5Qysg19LSk6ks5vdiUYgaJpZM4cdMUY>

.

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T-Britton commented 5 years ago

I believe https://github.com/JeffersonLab/HDGeant4/issues/103 is the culprit. MCwrapper uses SKIP with input hddm files to ensure that when the project is split each job doesn't run over the same exact events repeatedly. My hypothesis is that for hdgeant4 the thrown is missing because they were never processed. Carlos can you rerun both G3 and G4 with only say, 1000 events. This will keep everything in one single file (SKIP=0) and would be a good way to test whether this is the issue or not

T-Britton commented 5 years ago

I sat with Carlos and compared the first file produced which is essentially the test I recommended. I can confirm this is due to the broken SKIP in hdgeant4. Closing this issue