XDAEFILE

Compare Original with DAE WRL output

Original

G4 geometry exported with VRML2FILE into WRL

DAE WRL

G4 geometry exported as a GDML file GDML file parsed into a G4 geomety G4 geometry extracted with the VRML2FILE functionality copied over under DAE name

[blyth@belle7 xdae]$ wc  $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl g4_00.wrl
3272951  12046872  85399453 /data1/env/local/env/geant4/geometry/vrml2/g4_00.wrl
3272951  12046872  85384624 g4_00.wrl
6545902  24093744 170784077 total

SOLID names

Tag extension integers differ.

[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl g4_00.wrl | head -10
10c10
< #---------- SOLID: /dd/Structure/Sites/db-rock.1000
---
> #---------- SOLID: /dd/Structure/Sites/db-rock.0
47c47
< #---------- SOLID: /dd/Geometry/Sites/lvNearSiteRock#pvNearHallTop.1000
---
> #---------- SOLID: /dd/Geometry/Sites/lvNearSiteRock#pvNearHallTop.0
93c93
< #---------- SOLID: /dd/Geometry/Sites/lvNearHallTop#pvNearTopCover.1000
[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl g4_00.wrl | tail -10
---
> #---------- SOLID: /dd/Geometry/Sites/lvNearHallBot#pvNearHallRadSlabs#pvNearHallRadSlab7.0
3272755c3272755
< #---------- SOLID: /dd/Geometry/Sites/lvNearHallBot#pvNearHallRadSlabs#pvNearHallRadSlab8.1008
---
> #---------- SOLID: /dd/Geometry/Sites/lvNearHallBot#pvNearHallRadSlabs#pvNearHallRadSlab8.0
3272787c3272787
< #---------- SOLID: /dd/Geometry/Sites/lvNearHallBot#pvNearHallRadSlabs#pvNearHallRadSlab9.1009
---
> #---------- SOLID: /dd/Geometry/Sites/lvNearHallBot#pvNearHallRadSlabs#pvNearHallRadSlab9.0
[blyth@belle7 xdae]$

All coming out 0:

[blyth@belle7 xdae]$ grep SOLID: g4_00.wrl | cut -d" " -f3 | cut -d"." -f2 | sort | uniq
0

Whereas original gives 269 different tag extension integers:

[blyth@belle7 xdae]$ grep SOLID: $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl  | cut -d" " -f3 | cut -d"." -f2 | sort | uniq
1
10
1000
1001
1002
1003
...

[blyth@belle7 xdae]$ grep SOLID: $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl  | cut -d" " -f3 | cut -d"." -f2 | sort | uniq | wc -l
269

208 z-shifts of +0.1 mm

All(?) solid names differ, so get rid of those first.

[blyth@belle7 xdae]$ cat $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl | grep -v SOLID > $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.nosolid
[blyth@belle7 xdae]$ cat g4_00.wrl | grep -v SOLID > g4_00.wrl.nosolid
[blyth@belle7 xdae]$ wc -l $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.nosolid   g4_00.wrl.nosolid
  3260722 /data1/env/local/env/geant4/geometry/vrml2/g4_00.wrl.nosolid
  3260722 g4_00.wrl.nosolid
  6521444 total
[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.nosolid   g4_00.wrl.nosolid | wc -l
832

In [1]: 832/4   # 4 lines are output per difference
Out[1]: 208

[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.nosolid   g4_00.wrl.nosolid | head -20
2524482c2524482
<                                       -22589.1 -801140 -11589.8,
---
>                                       -22589.1 -801140 -11589.9,
2524492c2524492
<                                       -22589.1 -801140 -11524.3,
---
>                                       -22589.1 -801140 -11524.4,
2524494c2524494
<                                       -22579.6 -801155 -11524.3,
---
>                                       -22579.6 -801155 -11524.4,
2524504c2524504
<                                       -22579.6 -801155 -11589.8,
---
>                                       -22579.6 -801155 -11589.9,
2524509c2524509
<                                       -22626.2 -801107 -11589.8,
---
>                                       -22626.2 -801107 -11589.9,
[blyth@belle7 xdae]$
[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.nosolid   g4_00.wrl.nosolid | tail -20
2942657c2942657
<                                       -22016.2 -798045 -10571.4,
---
>                                       -22016.2 -798045 -10571.5,
2942665c2942665
<                                       -21863.9 -798126 -10571.4,
---
>                                       -21863.9 -798126 -10571.5,
2942669c2942669
<                                       -21863.9 -798126 -10543.9,
---
>                                       -21863.9 -798126 -10544,
2942677c2942677
<                                       -21853.9 -798080 -10543.9,
---
>                                       -21853.9 -798080 -10544,
2942681c2942681
<                                       -21853.9 -798080 -10571.4,
---
>                                       -21853.9 -798080 -10571.5,

26 Solids with +Z 0.1 mm shifts

Are the differences clustered ? YES by inspection of the line numbers of the diff observer 26 solids afflicted.

[blyth@belle7 xdae]$ cat $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl | perl -p -e 's,(#---------- SOLID: \S*)\.\d*,$1,' - > $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.noext
[blyth@belle7 xdae]$ cat g4_00.wrl | perl -p -e 's,(#---------- SOLID: \S*)\.\d*,$1,' - > g4_00.wrl.noext
[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.noext  g4_00.wrl.noext | wc -l
832
[blyth@belle7 xdae]$ diff $LOCAL_BASE/env/geant4/geometry/vrml2/g4_00.wrl.noext  g4_00.wrl.noext > pdif.txt