Culvert rectangular height (Water Overlay)
|CULVERT_RECTANGULAR_HEIGHT||m||The inside height of a rectangular shaped Culvert.||0|
- A culvert is identified as a rectangular (box) culvert when this key set to a non-zero positive value. In such situation, the Culvert diameter is interpreted as the width of the cross section of the rectangular culvert.
- Rectangular (box) culverts can also be used to simulate water flowing throw tunnels and under viaducts.