Shade umbrella???
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@pbacot said:
[attachment=0:2noo5rgt]<!-- ia0 -->Screen Shot 2014-02-06 at 8.39.13 PM.png<!-- ia0 -->[/attachment:2noo5rgt]IDK how to do this for the precise mathematics but you get a different shape if you have a curve at the bottom edge. Not sure this is what you are after.
Thanks for giving it a go, mate! Normally I would expect the outer edge to be exactly how you've done it but the client wants to be able to fit drapes to the edges to close it in at times....
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@jeff hammond said:
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a square perimeter with a rounded top and a drooping mesh using curviloft would be something like this:
[attachment=1:2w6zx0be]<!-- ia1 -->tent_su6.skp<!-- ia1 -->[/attachment:2w6zx0be]
[attachment=0:2w6zx0be]<!-- ia0 -->tent.jpg<!-- ia0 -->[/attachment:2w6zx0be]
That's pretty much how I had attempted it also, Jeff however the 4 'hips' will actually be welded and stretched so they won't appear to have hard edges....
cheers for the input though!
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@gilles said:
This how Ferrari deals with it, for info.
That's close, gillies although the surface on the outside of the apexes differ from the inner. seems 'warped to one side.
Getting close though!
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@mitcorb said:
Hi:
I fiddled with this yesterday. I did it two ways. When I did the deed by sections, selecting each curve in sequence, and mirror copied the result, I noticed the mis-shapened circular opening. When I selected everything and then activated the tool, I got a more regular opening. Segment count and size of segments in the curves do matter for more regular surfaces, as well as degree of curvature. My "good" result still had too much torsion/warpage in the finished surface. Did you see this too?Thanks Tim, what tool did you use?
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I'm not really sure about what shape it is you are after but this is Extrude edges by rails.
I don't know how you work white on white? sends me blind.
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@utiler said:
That's pretty much how I had attempted it also, Jeff however the 4 'hips' will actually be welded and stretched so they won't appear to have hard edges....
cheers for the input though!
soften the edges after arraying. (or gap the array at the hips and fill in with an actual rounded surface)
the main point being- if you use that outwardly bulging edge of the top ring as part of a networked surface and the opposing edge is straight, the bulge is going to carry throughout the surface.. if you want the surface to sag in the middle, you'll have to do something like i showed (if using curviloft or any of the 2rail sweep plugins)..
maybe with soap skin& bubble you could get the sunken results as it has the pressure adjuster.. -
@utiler:
I used Curviloft by activating the "tent" icon. -
So this is where it ended up at but still not convinced its the best result.
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hmm.. i'm not entirely sure what shape you're trying to get.. this latest version is different than the one you first described (or more likely- i misinterpreted before)
is this what you want? if so, it's easier to draw than the other one i showed.. i'll tell you how to do it if it's the right shape
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I don't mind that, Jeff?
Please tell me more.... -
You could use Vertex Tools or even the Smoove tool
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If you do not have to respect strict profiles, you could give a try to
- Curviloft - Loft by Spline (with Bezier method 2 and play with the tension)
- TopoShaper, based on the square and ellipse
In either case, you can refine and smooth better with the thomthom's Vertex Tools
Fredo
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@utiler said:
I don't mind that, Jeff?
Please tell me more....Fredo just showed the way i did it
Loft by spline, bezier method 2, tension controls.
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@jeff hammond said:
Loft by spline, bezier method 2, tension controls.
Jeff, I should have though about that. Actually, you are probably the one who knows the most about Curviloft, more than I do (I really need to go back to this plugin and refresh it).
@utiler: if you have a profile imposed, it may be better to use Curviloft - Loft along path, as shown in the video.
Note that you must disable the "simplify" option, because it creates an artefact
Fredo
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@rich o brien said:
You could use Vertex Tools or even the Smoove tool
Never tried Vertex tools, Rich. Might have to give it a go.'
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Fredo / Jeff, that looks like it should turn out!!!!!
I wish I knew how to use curviloft to its fullest; Fredo I can't recall seeing a 'how to' document like you have for your other tools....?
This little excessive has certainly opened up some possibilities for different outcomes.
Thanks so much to all of you, really appreciate your guidance.
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