A software system to work with 3D models in cultural heritage research
Özmen, Yılmaz Can (2007) A software system to work with 3D models in cultural heritage research. [Thesis]
The availability of intuitive, user-friendly and specialized software to work with 3D models of cultural heritage artifacts is as important as the availability of lowcost and robust data acquisition techniques for the adoption of digitized 3D models in cultural heritage research. As recent developments in 3D scanning technologies have made the digitization of artifacts affordable; the amount of digitized models available for research increases rapidly. Consequently the need for specialized software for cultural heritage research and practice on 3D models becomes more apparent. The lack of spatial measurement tools familiar to cultural heritage experts in traditional 3D modeling packages motivated us to create a simple, freely available, and extensible measurement tools system, CH Toolbox, which was designed exclusively for cultural heritage research. The proposed system visualizes digitized models of artifacts in 3D and allows the user to analyze the pieces using a spaceball and mouse driven bi-manual interface. We describe here the component of the CH Toolbox system, specificially the virtual tape measure, caliper, rim chart and an surface area estimation tool. Additionally, we present justification for CH Toolbox’s bi-manual interaction scheme according to Guiard’s Kinematic Chain model for asymmetric human skilled bimanual actions. We also discuss the design decisions that were taken for producing an extensible and free software system based on open standards and widely available open source technologies, such as the OpenGL graphics and the OpenSceneGraph scene hierarchy libraries.
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