Segmentation fault converting Revit RAC sample IFC

[xeolabs]

ifc2gltfcxconverter 3_0_19_beta on Linux throws a seg fault when converting the Revit RAC model.

For reference, the RAC model looks like this when converted with previous ifc2gltf versions and loaded into xeokit:

To reproduce this issue

` ifc2gltfcxconverter -i rac.ifc -o model.glb -m model.json -s 25 -t 1000 -e 3

IFC to GLTF converter version: 3.0.19 ____ Loading file "/home/lindsay/xe...s/ifc/Revit/rac.ifc" Loading file "/home/lindsay/xe...s/ifc/Revit/rac.ifc": 5% Loading file "/home/lindsay/xe...s/ifc/Revit/rac.ifc": 100%

Segmentation fault (core dumped) `

IFC file attached:

rac.zip

[ifcapps]

Fixed with version 3.0.21