ERATO Proceedings Istanbul 2006.pdf - Odeon

Third, once the texturing and garment properties setting is done, the fitting of a garment can
be started, by calling a mechanical simulation, which is forcing the surfaces to approach along
the seam lines. The surface is deforming according to the shape of the body. The simulation
engine first uses a simplified mechanical model, which is optimized in speed by leaving the
physical parameters and environment parameters behind the calculation. The simulation has to
be executed until the fabric is dynamically stabilized. The resulting position is a suitable starting
point for the simulation of animation. Such process is depicted in figure 13.
3. Integration
In order to proceed with the rapid development of such demanding high performance
interactive immersive VR application, featuring advanced virtual human simulation technologies
we adopted the VHD++ real-time framework as described by Ponder et al [27]: VHD++
addresses the most common problems related to the development, extension and integration of
heterogeneous simulation technologies under a single system roof while combines both
framework (complexity curbing) and component (complexity hiding) based software engineering
methodologies. As a result a large scale architecture and code reuse is being achieved which
radically increases development efficiency and robustness of the final VR and virtual character
application (samples shown in figure 14).
Figure 14: Latest ERATO Results featuring the high frequency shadow mapping and interior and exterior views of the
Aspendos theatre
4. Conclusions
Currently our VR-AR Framework is able to manage real-time augmented reality full virtual
character simulations (body, face and clothes) in cultural heritage environments, however, there