Optimizing B-spline surfaces for developability and paneling architectural freeform surfaces
Motivated by applications in architecture and design, we present a novel method for increasing the developability of a B-spline surface. We use the property that the Gauss image of a developable surface is 1-dimensional and can be locally well approximated by circles. This is cast into an algorithm...
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| Veröffentlicht in: | Computer aided design 2019-06, Vol.111, p.29-43 |
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| container_title | Computer aided design |
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| creator | Gavriil, Konstantinos Schiftner, Alexander Pottmann, Helmut |
| description | Motivated by applications in architecture and design, we present a novel method for increasing the developability of a B-spline surface. We use the property that the Gauss image of a developable surface is 1-dimensional and can be locally well approximated by circles. This is cast into an algorithm for thinning the Gauss image by increasing the planarity of the Gauss images of appropriate neighborhoods. A variation of the main method allows us to tackle the problem of paneling a freeform architectural surface with developable panels, in particular enforcing rotational cylindrical, rotational conical and planar panels, which are the main preferred types of developable panels in architecture due to the reduced cost of manufacturing.
•Geometric study of local approximants of developable surfaces.•Optimization algorithm for increasing the developability of a B-spline surface.•Optimization algorithm for paneling a freeform surface with special developables. |
| doi_str_mv | 10.1016/j.cad.2019.01.006 |
| format | Article |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Algorithms Architectural geometry Architecture Computational differential geometry Constrained optimization Developable surface Panels Production costs Spline surface |
| title | Optimizing B-spline surfaces for developability and paneling architectural freeform surfaces |
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