topic Re: Need help with Barrel-Vaulted Roofs in Modeling

Need help with Barrel-Vaulted Roofs

Anonymous — Tue, 23 May 2023 13:27:02 GMT

Got a slight problem with the barrel-vaulted roof tool. I'm trying to make a curved bit of glass, using the barrel-vaulted roof tool. But when I draw the roof in 3D, all I get is two pieces that isn't curved at all. Anyone who knows what I'm doing wrong?

The measurements of the piece is:

Length (x) : 750 mm
Width (y) : 600 mm
elevation (z): 125 mm
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Re: Need help with Barrel-Vaulted Roofs

David Pacifico — Wed, 16 Aug 2006 13:17:49 GMT

The segments of your curve are set too large.
Change this in the Magic Wand Settings.

Re: Need help with Barrel-Vaulted Roofs

Djordje — Thu, 17 Aug 2006 05:43:58 GMT

Set the Magic Wand to 36 segments per arch, Best match.

Re: Need help with Barrel-Vaulted Roofs

Anonymous — Wed, 06 Sep 2006 10:07:38 GMT

Despite your great tips, somehow I can't get it right. Is it too much to ask if someone could show me in detail, how it's done? Would be much appreciated.
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Re: Need help with Barrel-Vaulted Roofs

Anonymous — Wed, 06 Sep 2006 23:58:57 GMT

Hi there,
I had this problem too.
You need to go into magic wand settings, change the segments along arcs / circles box to 36 (even if you have checked deviation from curves less than option).
Drawing barrel vaulted roofs is easiest in the 3D window.
The first line that you draw is the straight line across the bottom of the width of the roof (it won't be part of the roof, but is the horizontal plane that the roof sits on). Then depending on the option selected in the pet palette, you can drag a semicircle (or other shape) upwards to create the dome. You then drag the dome out to the desired length.
It is much easier doing this in the 3D window, as you can see exactly what you are getting.

Re: Need help with Barrel-Vaulted Roofs

Anonymous — Thu, 07 Sep 2006 00:17:30 GMT

The trouble I had with it today is different. Perhaps someone can look at the image and tell me why it sometimes looks normal, but then in the elevation image I get the splayed roof elements?

Re: Need help with Barrel-Vaulted Roofs

Aussie John — Thu, 07 Sep 2006 00:48:33 GMT

Burginger wrote:
The trouble I had with it today is different. Perhaps someone can look at the image and tell me why it sometimes looks normal, but then in the elevation image I get the splayed roof elements?

Have you adjusted (eg slit) any of the roof segements. Occationally this can send out a rogue node giving unpredicable results. Not sure how to fix it.

Re: Need help with Barrel-Vaulted Roofs

Steve Jepson — Thu, 07 Sep 2006 05:00:48 GMT

atab,

Show us your barrel vault if it is not to much bother. My advise is the same for any "automatic" thing. Try it once or twice, if you can get it to work great, if not forget it.

Just model the parts you need using the profiler or something. In the end it may be better and faster anyway.

Re: Need help with Barrel-Vaulted Roofs

Anonymous — Thu, 07 Sep 2006 12:42:39 GMT

Here is a picture of the object. Hope it helps.
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Re: Need help with Barrel-Vaulted Roofs

Anonymous — Thu, 07 Sep 2006 15:00:35 GMT

Aussie wrote:
Burginger wrote:
The trouble I had with it today is different. Perhaps someone can look at the image and tell me why it sometimes looks normal, but then in the elevation image I get the splayed roof elements?
Have you adjusted (eg slit) any of the roof segements. Occationally this can send out a rogue node giving unpredicable results. Not sure how to fix it.

I agree, I just deleted the rogue roof segment, can't tell the difference in the drawings, etc. Nice to know I am not the only one tweeking things to get it right.

Re: Need help with Barrel-Vaulted Roofs

Steve Jepson — Thu, 07 Sep 2006 15:27:13 GMT

atab,

did you want a barrel vault? That roof is not barrel shaped.

Would you like to know how to make a barrel vault with the profiler?

Re: Need help with Barrel-Vaulted Roofs

Anonymous — Fri, 08 Sep 2006 06:56:06 GMT

Steve wrote:
atab,

did you want a barrel vault? That roof is not barrel shaped.

Would you like to know how to make a barrel vault with the profiler?

I've tried using the barrel vaulted roof-tool, but all I get as result is the image you see below. I would appreciate if you could show me how it's done in profiler.
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Re: Need help with Barrel-Vaulted Roofs

Aussie John — Fri, 08 Sep 2006 08:35:24 GMT

I would say you need to check the magic wand settings again

Re: Need help with Barrel-Vaulted Roofs

Djordje — Fri, 08 Sep 2006 11:47:03 GMT

Set the magic wand to 36 arc segments. That means that any arc (barrel vault cross section) will be approximated with 36 straight segments.

Now do your barrel again.

For the Profiler, use the same arc as a starting point to draw a fill of the cross section of the barrel roof. Then extrude it along a drawn path, or click on the start and end point.

Both should work ... with the second, you have to SEO anything sticking through, and will not have the special roof plan display options.