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About YAMAMOTO

Yet Another MAp MOdelling TOolkit

Modeling with YAMAMOTO The tool has been developed for the efficient modeling of multi-level buildings and their furnishing. One of its core features is the route finding component that allows to find shortest paths between any two points. The building and route can be visualized from a top-down view (orthogonal projection) and allocentric as well as egocentric perspectives. An avatar control mode allows to walk through building environments.
Smart Objects The building structure is modeled in multiple 2-D layers of spatial regions. Smart, parametric objects automatically create the building's 3-D geometry according to symbolic annotation; edges can be defined as walls, doors, windows. The interior is also represented by smart objects, which are defined by their dimensions (width, depth, height), color, and type. YAMAMOTO provides built-in types for tables and storage elements.
Semantics The YAMAMOTO toolkit includes the PathFinder component that has been implemented to find shortest paths in multi-level building models. The semantics of edges (doors or walls) allows the algorithm to perform an A* search directly on the spatial regions, without the need to define a path network first.
Instrumented Environments The development of assistive environments is supported by the modeling of sensors and actuators. Particularly optical devices, such as cameras and displays, have a limited field of view that needs to be considered. The YAMAMOTO editor graphically supports the planning of the instrumentation of the environment by placing virtual displays in the environment and to assess their visibility from different viewpoints. Likewise, cameras can be modeled and their viewpoint virtually taken. In a kitchen scenario, we used box objects to visualize RFID antennas and their perception range above the counter.
Visual Route Descriptions We used YAMAMOTO to create materials for a wayfinding study in the computer science building on Saarland University campus. The building consists of separate functional areas with different structural features. The route led through an open gallery system on the first floor to the library's terrace on the second floor. The video shows the route description that has been used for the study.

Acknowledgements

The YAMAMOTO map modeling toolkit started as a student project at Saarland University in 2003 and since 2007 the software is developed and mainained by the spin-off company Schwartz&Stahl GbR.