منابع مشابه
Free Form Deformation with Scattered
Free form deformation has applications in computer animation, in data acquisition , and in computer aided geometric design. One approach is to deform the space in order to induce a deformation of an embedded object. A new method of this class is proposed which is based on scattered data interpolation. The usefulness of two selected classes of scattered data interpolation methods in this context...
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We present a new efficient collision-handling technique of free-form deformation (FFD) of an embedded surface. By adapting FFD, modeling deformation has been substantially simplified to make possible interactive rate animation of a deformable object even for a complex embedded mesh. However, the lack of effective collision detection and resolution schemes for an FFD-embedded surface hinders the...
متن کاملSpatial Free Form Deformation with Scattered
The problem of deforming a given spatial shape is treated. There are many examples of applications in visual computing: tting surfaces to sampled data points in space, correction of distortions in tomographic imaging, modeling of free form geometric shapes, and animating metamorphoses of geometric objects. Our solution warps the space surrounding the given shape with the eeect of deforming the ...
متن کاملPreventing Self-Intersection under Free-Form Deformation
ÐFree-Form Deformation (FFD) is a versatile and efficient modeling technique which transforms an object by warping the surrounding space. The conventional user-interface is a lattice of movable control points but this tends to be cumbersome and counterintuitive. Directly Manipulated Free-Form Deformation (DMFFD) allows the user to drag object points directly and has proven useful in an interact...
متن کاملFree - Form Deformation for Implicit Surfaces
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 time-consuming compared to sketch-based techniques. In this thesis, an FFD techni...
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ژورنال
عنوان ژورنال: Computer Aided Geometric Design
سال: 2016
ISSN: 0167-8396
DOI: 10.1016/j.cagd.2016.06.002