CTDB Format
 
 
- MES Structures
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- Unified representation for buildings, bridges, caves, and tunnels
- MES Structures represented with enclosures
- Each enclosure in an MES represents one “positive” (floor) and one “negative” (ceiling) surface
- Stairs are enclosures that traverse levels
- Topology between enclosures for general movement and planning
 
- MES Structures are also represented as simple volume models for coarse planning
- Footprint and average height