Issue Description
A beam running beneath a ceiling slab cannot be displayed with dashed contour lines in the floor plan and only appears with solid lines.
Solution
1. Check Model View Options
Documentation > Model View > Model View XY > Construction Element Options
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For beams, "Contour and Axis" or "Contour Only" must be selected.
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The option "Hidden Line Under Slab" must also be enabled.
2. Check Beam Settings
Beam Selection Settings > Floor Plan and Section.
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The desired line type for hidden lines must be set.