Real-time haptic incision simulation using FEM-based discontinuous free form deformation
Proceedings of the 2006 ACM symposium on Solid and physical modeling
Space deformations and their application to shape modeling
ACM SIGGRAPH 2006 Courses
Real-time haptic incision simulation using FEM-based discontinuous free-form deformation
Computer-Aided Design
A survey of spatial deformation from a user-centered perspective
ACM Transactions on Graphics (TOG)
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Contemporary deformation tools let designers modify the geometry of deformed models. This approach can be restrictive if the designer wants to incorporate holes or gaps into a model while deforming it into a different shape. This work presents a variant of FFD that would let the designer incorporate iso-parametric discontinuities into the deformation function. The input model is automatically split at these discontinuities, allowing the deformed model to reflect topological discontinuity changes. We demonstrate the deformation algorithm using two different applications. The first application wraps a moving model around obstacles in a scene, splitting and then reforming it. The second application works locally, enabling the end-user to insert arbitrarily shaped cuts into the surface of the model.