Convert IFC to GLB using BlenderBIM

IfcToGlb.py

import bpy
import os
import sys

addons = ["blenderbim"]
for addon in addons:
    bpy.ops.preferences.addon_enable(module=addon)

# set input and output file paths
input_file = sys.argv[-2]
output_file = sys.argv[-1]

# Delete the default cube, camera, and light
bpy.ops.object.select_all(action="SELECT")
bpy.ops.object.delete()

# Load IFC project
bpy.ops.bim.load_project(filepath=input_file, use_relative_path=False, should_start_fresh_session=False)

# Export GLB file with Draco compression
bpy.ops.export_scene.gltf(
    filepath=output_file,
    export_format="GLB",
    export_draco_mesh_compression_enable=True,
    export_draco_mesh_compression_level=6,
    export_draco_position_quantization=14,
    export_draco_normal_quantization=10,
    export_draco_texcoord_quantization=12,
    export_draco_color_quantization=10,
    export_draco_generic_quantization=12,
)

# Exit Blender
os._exit(0)