This research was supported by the Austrian Science Fund (FWF): Grants
P25816-N15 and ORD 53-VO. Joint work with Peter Palfrader. Click on an
image to get a larger one.
![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/courtyard.small.png) |
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A roof for a traditional Austrian farm house. The roof was constructed
based on an additively weighted straight skeleton of the (exterior)
footprint of the house.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/house.small.png) |
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A house with a cross-gabled roof. The roof was constructed based on an
additively weighted straight skeleton of the (exterior) footprint of the house.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/house-mw.small.png) |
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A house with a cross-gabled roof. The roof was constructed based on an
additively and multiplicatively weighted straight skeleton of the (exterior) footprint of the house.
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![[SK-based terrain]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/river-w.small.png) |
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A terrain around a section of the Danube. The terrain was constructed
based on an additively and multiplicatively weighted straight skeleton of
the (exterior) footprint of the house.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/gablet.small.png) |
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A gablet roof. The roof was constructed
based on an additively weighted straight skeleton of
the (exterior) footprint of the housel; the weights change over time.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/clerestory.small.png) |
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A clerestory roof. The roof was constructed
based on an additively weighted straight skeleton of
the (exterior) footprint of the house; the weights change over time.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/gambrel.small.png) |
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A gambrel roof. The roof was constructed
based on an additively and multiplicatively weighted straight skeleton of
the (exterior) footprint of the house; the weights change over time.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/rhombic.small.png) |
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A rhombic roof. The roof was constructed
based on an additively and multiplicatively weighted straight skeleton of
the (exterior) footprint of the house.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/flat.small.png) |
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A flat-top roof. The roof was constructed
based on an additively and multiplicatively weighted straight skeleton of
the (exterior) footprint of the house; the weights change over time.
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![[SK-based roof]](https://www.cosy.sbg.ac.at/~held/projects/roofs/img/temple.small.png) |
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A roof of an Asian-style temple. The roof was constructed
based on an additively and multiplicatively weighted straight skeleton of
the (exterior) footprint of the house; the weights change over time. In a
post-processing step, some straight-line ridges were replaced by
curved arcs.
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