After having nearly finished massing the massing for a glazed roof, I am thinking of making a roof similar to the Harbin Opera House by MAD architects. What I find particularly hard to comprehend is how the steel support structure underneath the glazing could be modelled. The beams have a curved profile, which can be achieved through Zach Kron's 4-point b-Spline (see: http://buildz.blogspot.com/2012/07/tool-making-b-spline-ish-by-points.html), however I don't know how to create the intersections/ junctions within a rhomboid pattern. The tricky part is that at the intersection of the beams, an additional curve is being used.
Note: the attached mass has some distortion on the rhomboid pattern, in the final version, the U and V grid will be more straight.
If you make the sweep profile an a half arch, then I can see how a Pattern-Based Panel would work. Two opposite half arches make a full arch. Know what I mean? But this won't work with that "bezier-ish" profile. Maybe you can get there by using the Repeater tool to repeat a "bezier-ish" extrusion on a rhomboid patterned divided surface.
The general shape is the way I envisioned it. It's probably best if I were to elaborate on this with a sketch. So the support profile is filleted. I think I prefer the b-spline profile look, whereas the actual profiles (in the opera house) are probably skewed and have a fillet, from what I can see. This means that there are two curves, one for the profile in section and one in plan view at the intersection points for each member. I've also attached the final roof shape now that it's finished. I hope it makes sense this way.
Thanks for all the help so far! I definitely learned a lot with all of my questions lately.
The Royal Opera House is one of the few modernization projects in the country that was absolutely maintained by its owners, the royal family of Gondal, without any support from worldwide protection anatomy.
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