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geometry overlaps for PANDA subdetectors [message #14970] Thu, 18 July 2013 12:49 Go to previous message
Maria Patsyuk is currently offline  Maria Patsyuk
Messages: 58
Registered: April 2010
continuous participant
From: *gsi.de
Dear all,

we checked the geometry (supersposition of a number of subdetectors) using the following macro

macro/run/sim_complete.C

without event generation (the following lines were commented out:
//fRun->Run(nEvents);
//exit(0);
)

And we got a number of overlaps (see below).

Does this macro suppose to have these overlaps?

What do the overlaps mean in terms of the resulting data sample? Do they spoil the simulated data?

What is the right macro to run simulation with at least STT, EMC, SciTil and DIRC detectors put together?

Best regards,
Maria Patsyuk

root [1] gGeoManager->CheckGeometryFull()
====================================================================
STAGE 1: Overlap checking by sampling within 10 microns
====================================================================
Info in <TGeoNodeMatrix::CheckOverlaps>: Checking overlaps for cave and
daughters within 0.001
Info in <TGeoNodeMatrix::CheckOverlaps>: Checking overlaps by sampling
<s> for cave and daughters
Info in <TGeoNodeMatrix::CheckOverlaps>: === NOTE: Extrusions NOT
checked with sampling option ! ===
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 188.12 +/- 71.1025 [cm3] for daughters of
FullSuperConductingSolenoidov831
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 13.4371 +/- 13.4371 [cm3] for daughters of Cryostatov830o2
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 14 overlaps
adding-up to 268747 +/- 3761.36 [cm3] for daughters of ms
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 2 overlaps
adding-up to 261.124 +/- 82.5745 [cm3] for daughters of BeamPipe
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 36 overlaps
adding-up to 57.771 +/- 7.65195 [cm3] for daughters of stt01assembly
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 4 overlaps
adding-up to 19.236 +/- 1.83408 [cm3] for daughters of Mvd-2.1o(Central-Mvd)
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 166.789 +/- 5.21982 [cm3] for daughters of Mvd-2.1oSupport
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 10235 +/- 34.7595 [cm3] for daughters of Mvd-SupportoGlobalFwd
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 0.000116925 +/- 0.000116925 [cm3] for daughters of
SupportoPbloConeo1oIIoaoii
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 0.00211537 +/- 0.00211537 [cm3] for daughters of
Mvd-SupportoBl2
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 502.4 +/- 4.19747 [cm3] for daughters of Mvd-2.1oComponents
Info in <TGeoChecker::CheckOverlapsBySampling>: #Found 1 overlaps
adding-up to 816.014 +/- 4.80008 [cm3] for daughters of
Mvd-ComponentsoConoElectronics
...
 
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