Title
A sketch-based method to control deformation in a skeletal implicit surface modeler
Abstract
Skeletal implicit surfaces offer many advantages for sketch-based modeling systems, such as blending, CSG, and a procedural object hierarchy. Free-form deformation (FFD) is also extremely useful in this context, however existing FFD approaches do not support implicit surface representations, and FFD lattice manipulation is timeconsuming compared to sketch-based techniques. In this paper, we describe an FFD technique suitable for implicit surface representations. To enhance real-time feedback, we split the problem into an approximate formulation used during interactive deformation, and a more robust variational technique which preserves desirable scalar field properties. As an interface to manipulate the deformation, we introduce a sketch-based volumetric peeling interface. The designer's task is to draw a curve on the surface, and pull or push the surface to the desirable position via the curve. Subsequently, the deformation is automatically defined. Results show that a desirable deformation can be easily achieved while preserving implicit properties.
Year
DOI
Venue
2008
10.2312/SBM/SBM08/065-072
SBM
Keywords
Field
DocType
free-form deformation,implicit surface representation,skeletal implicit surface modeler,skeletal implicit surface,ffd technique,ffd lattice manipulation,ffd approach,interactive deformation,desirable deformation,sketch-based method,desirable position,implicit property,user interfaces
Computer vision,Lattice (order),Computer graphics (images),Computer science,Artificial intelligence,Deformation (mechanics),Hierarchy,Scalar field,Sketch
Conference
Citations 
PageRank 
References 
6
0.44
19
Authors
4
Name
Order
Citations
PageRank
Masamichi Sugihara1422.39
Erwin de Groot2282.31
Brian Wyvill31130278.50
Ryan Schmidt456726.74