3D alignment for interactive evolutionary design

3D model alignment (‘Pose Normalization’ in the literature) is investigated as part of wider research into guided evolutionary Computer-Aided Design. CAD technology in development will combine human interaction and geometric optimization, within an evolutionary design system. Evolving shapes will be influenced by simple pre-set geometric fuzzy-constraints – internal voids and external bounding geometry created by users. To compare evolving candidate shapes with these pre-set constraints they must first be aligned (rotated, scaled, and co-located). A shortlist of five promising alignment techniques is described. Benchmark data generated using standard CAD functions (centre of gravity, principle axes etc.) will be presented at the conference.