src/Mod/Show/ShowUtils.py

# SPDX-License-Identifier: LGPL-2.1-or-later

# /***************************************************************************
# *   Copyright (c) 2019 Victor Titov (DeepSOIC) <vv.titov@gmail.com>       *
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# *   This file is part of the FreeCAD CAx development system.              *
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# *   This library is free software; you can redistribute it and/or         *
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def is3DObject(obj):
    """is3DObject(obj): tests if the object has some 3d geometry.
    TempoVis is made only for objects in 3d view, so all objects that don't pass this check are ignored by TempoVis.
    """

    # See "Gui Problem Sketcher and TechDraw" https://forum.freecad.org/viewtopic.php?f=3&t=22797

    # observation: all viewproviders have transform node, then a switch node. If that switch node contains something, the object has something in 3d view.
    try:
        from pivy import coin

        return obj.ViewObject.SwitchNode.getNumChildren() > 0
    except Exception as err:
        import FreeCAD as App

        App.Console.PrintWarning("Show.ShowUtils.is3DObject error: {err}\n".format(err=str(err)))
        return True  # assume.