Curved roof
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- 2021-12-29 at 20:47 #14936
JJHParticipantHello
Is there anyone out there that could tell me how to get this roof ? Its 10ft of plate height difference with a 36′-8″ span
2021-12-30 at 09:08 #14938conweParticipantHello JJH,
JKZIMM would be your guy to answer that one. interesting build would like to see your final product sometime:)
Conrad2022-01-06 at 17:26 #14954
FynrDzynrParticipantBut you also need to know the curvature ie inside radius or distance from straight line between plates to underside of the inside surface . .
2022-01-06 at 19:58 #14958conweParticipantThat’s a neat looking building FynrDznr!
Glad you can help him that was way above my head!
Which roof tool did you use for that I had used that option it gives you to curve roofs but could’nt get a full curve like JJH wanted
2022-01-06 at 19:58 #149592022-01-06 at 21:18 #14962FynrDzynrParticipantProject wasn’t built that way as the clients were unable to sell their existing hanger prior to moving to the aviation park. Reverted to single plane roofs. The lip of the wave had to be a separate roof entity as Env refused to accept a -ve pitch to finish. Starting at the back of the “wave” the pitch increases until it reaches the tighter curve. It then decreases to zero at the top of the “wave”.
Sketching a dummy cross section is essential to having your parameters correct.Then just insert a hip roof by points then edit parameters as required
2022-01-06 at 22:33 #14963
jkzimmParticipantHI jjH
This sample shows steps to get close to your needs.
1 Draw out roof , make sure each is on their own Building Location or one will mesh with the other. Also set them to Ignore Next Story / see attachment. 4.
2 Select 3 sides (shown in attachment 1) and set them to Gable in right click Properties. The unchecked one is the one you use to create the curve / it is the hip portion.
3. Now comes the hard part. This roof length is 35′. You select the Hip roof arrow (on left) and set to Arched in Roof Shape tab in Properties..
You have to increase , h , Radius by a larger dimension than the Horizontal Distance , e, by a factor of over 2.
I know length is 35′ I want e to be at least 35′ so I actual went over factor of 2 to 140′ for , h, Radius.
What this does is shown by the multiple dotted lines across the full 35′ length. If you dont get Radius long enough, the lines will fall short of the end.
e should fill in automatically but you can increase or decrease it to change length of arc.
4 . Then adjust the . b. Start Angle and ,g, end angle. You want start to be larger and end to be smaller. I used 22 deg start, 4 deg end. This gave a full arc rather than a closed arc rather than a bowed roof.
Short List
3 sides to Gable
Hip side to Arched
Set Radius to at least 2x Horz Distance needed.
Set Start angle higher than End Angle.
Good Luck , Jack
zimmerdesign.com
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