puts "========" puts "OCC31757: Visualization - Prebuild BVH for Select3D_SensitiveEntity in separate threads" puts "========" vclear set aShape [locate_data_file occ/Motor-c.brep] restore $aShape s vdisplay s vfit vselbvhbuild 1 -nbThreads 1 vselmode s FACE 1 vselbvhbuild -wait vselect 0 0 512 512 vdump $imagedir/${casename}.png