Zusi-Forum

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bpy.data.objects["MeinSchönesEmpty"].zusi_link_file_name_realpath = "..."

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with bpy.context.temp_override(selected_objects=[bpy.data.objects["MeinSchönesEmpty"], …]):
    bpy.ops.export_scene.ls3(…)

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def export():
    directory = create_path()
    filename = create_name()

    bpy.data.collections["lod"].hide_viewport = True

    # deactivate all anchor points in 'anchor points' collection, otherwise they end up in lod1.ls3
    for collection in bpy.data.collections:
        for sub_collection in collection.children_recursive:
            if sub_collection.name == "Anchor Points":
                for obj in sub_collection.all_objects:
                    bpy.data.objects[obj.name].zusi_is_anchor_point = False

    # export lod1 first, otherwise the path in parent will not be correct
    bpy.ops.export_scene.ls3(
        filepath = os.path.join(directory, filename + ".lod1.ls3"),
        filename = filename + ".lod1.ls3",
        directory = directory,
        exportSelected = "4",
        )

    bpy.data.collections["lod"].hide_viewport = False

    # activate anchor points again
    for collection in bpy.data.collections:
        for sub_collection in collection.children_recursive:
            if sub_collection.name == "Anchor Points":
                for obj in sub_collection.all_objects:
                    bpy.data.objects[obj.name].zusi_is_anchor_point = True

    # set path for linked object in parent.lod
    bpy.data.objects["#_Main"].zusi_link_file_name_realpath = os.path.join(directory, filename + ".lod1.ls3")

    with bpy.context.temp_override(selected_objects = [bpy.data.objects["#_Main"]]):
        bpy.ops.export_scene.ls3(
            filepath = os.path.join(directory, filename + ".lod.ls3"),
            filename = filename + ".lod.ls3",
            directory = directory,
            writeLsb = False,
            exportSelected = "1",
            )