منابع مشابه
Offsetting operations in solid modelling
The range of operations on solids supported by current geometric modelling systems is very limited. Typically, solids represented in a modeller can be transformed by rigid motions and combined by Boolean operations. This paper introduces another family of transformations, called solid offsetting, which map solids into solids. Offset solids are expanded or contracted versions of an original obje...
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This paper describes non-manifold offsetting operations that add or remove a uniform thickness from a given non-manifold topological model. The mathematical definitions and properties of the non-manifold offsetting operations are investigated first, and then an offset algorithm based on the definitions is proposed and implemented using the non-manifold Euler operators proposed in this paper. In...
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We present a novel approach to offset solids in the context of fabrication. Our input solids can be given under any representation: boundary meshes, voxels, indicator functions or CSG expressions. The result is a ray-based representation of the offset solid directly used for visualization and fabrication: We never need to recover a boundary mesh in our context. We define the offset solid as a s...
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We investigate the suitability of the functional model of programming as applied to the solid modelling eld of 3D rendering, with particular reference to expressiveness and e ciency. We nd that functional languages with a good implementation can be more e cient than other languages in certain aspects in the rendering process. Furthermore, recent developments in functional languages allow di cul...
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More than 1,000 boxes of sewage sludge are stockpiled at this base camp. It was composted during the beginning of a pilot study in 2004. Armies around the globe have always had to deal with the problem of solid waste. Today, a large percentage of solid waste is packaging materials (cardboard, paper, and plastic), in addition to waste food and sewage sludge. While much of the solid waste generat...
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ژورنال
عنوان ژورنال: Computer Aided Geometric Design
سال: 1986
ISSN: 0167-8396
DOI: 10.1016/0167-8396(86)90017-8