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Description

I can import auxiliary values of a gdml file. They are saved as UserExtension in TGDMLParse but there is no way to export any auxiliary values with TGDMLWrite.

Reproducer

• Import a gdml file with an auxiliary value, e.g. one containing

<volume name="test_volume">
      <materialref ref="test_mat"/>
      <solidref ref="test_solid"/>
      <auxiliary auxtype="test_type" auxvalue="test_value"/>
</volume>

with gGeoManager->Import("testfile.gdml")

• Export it with gGeoManager->Export("testfile_export.gdml")

or add directly to vol and export (e.g. with pyroot)

ue = vol.GrabUserExtension()
if not ue:
    aux_map = r.TMap()
    vol.SetUserExtension(r.TGeoRCExtension(aux_map))
else:
    aux_map = ue.GetUserObject()
key = r.TObjString("test_type")
value = r.TObjString("test_value")
aux_map.Add(key, value)

and export with
r.gGeoManager.Export("test_file_export.gdml")

In both cases no auxiliary is being exportet.

ROOT version

all

Installation method

all

Operating system

all

Additional context

No response