io_scene_3ds: Added feet to imperial unit length measure #104808
@ -98,7 +98,8 @@ else:
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addon_prefs = context.preferences.addons[__package__].preferences
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if addon_prefs.show_overlays and sun_props.show_north:
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_north_handle = bpy.types.SpaceView3D.draw_handler_add(north_draw, (), 'WINDOW', 'POST_VIEW')
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if _north_handle is None:
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_north_handle = bpy.types.SpaceView3D.draw_handler_add(north_draw, (), 'WINDOW', 'POST_VIEW')
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elif _north_handle is not None:
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bpy.types.SpaceView3D.draw_handler_remove(_north_handle, 'WINDOW')
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_north_handle = None
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