improve PolyInputCache3D

change first entity ID to 1 instead of 0

add MESSAGE_TYPE_UNKNOWN_ENTITY

update WriterSTEP

small fixes in CurveConverter

update FaceConverter.h

update BasicTypes.h

fix project files

small fixes and improvements

clean up VS project files

clean up VS project files

fix remove comments in header

implemented IfcSectionedSpine geometry

Update README.md

Update README.md

Update README.md

Update README.md

fix typo

improve geometry processing

Improved viewer application. Added reading styles of boolean operands

Merge branch 'master' of https://github.com/ifcquery/ifcplusplus

Update README.md

update SimpleViewerExampleQt to Qt6

fix typo in Carve

minor improvements

Update TabReadWrite.cpp

fix cmake files

improve CSG processing

improve geometry processing

set precision as a variable for writing IFC files