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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on November 07, 2019, 03:58:12 am »
Unlike an asymmetric hip rafter a valley rafter that joins two dissimilar roof pitches centers on the edge of the roof primitive as shown:

View model here:

https://3dwarehouse.sketchup.com/model/f43a9fce-68e5-4d25-8994-ead6e043b7fd/Assymetric-Valley-Test

At least that seems to be the correct way to handle asymmetric valley rafters. Please correct me if I am wrong.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on November 06, 2019, 05:21:39 pm »
Version 2.6.1 - 11.07.2019
- Added ridge boards for complex roofs.

The next framing item is hip and valley rafters.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on November 03, 2019, 04:02:26 am »
First look at ridge boards with complex roofs:

Things get a little messy when a ridge terminates into more than two hips or flying hips (ie. octagon and hexogon roofs), I will need to add in additional logic to handle these types of situation. 

The potential asymmetry of the roof planes also creates some interesting possibilities, however I do think I've solved that topological problem.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on November 01, 2019, 09:26:24 am »
The Medeek Halloween Haunted House:

View model here:

https://3dwarehouse.sketchup.com/model/bfbc1532-b2ed-488b-9847-16b13ce79618/Medeek-Haunted-House

Another test of the roof connection feature with chimney and turrets.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on November 01, 2019, 02:48:01 am »
I have the algorithm worked out for a ridge that terminates into two hips (or more) however Iím still uncertain what should be done at the flying hip/valley termination:

For now Iím not going to apply any special treatment, just a square cut to start with. Once I get more clarification I can introduce more complicated logic.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on October 31, 2019, 09:49:09 am »
Tutorial 17: Complex Roof Connections (19:05 min.)



View model in tutorial here:

https://3dwarehouse.sketchup.com/model/409737e8-7a33-40ba-9cd3-4ced14ce5e0d/Tutorial-17
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on October 31, 2019, 12:39:30 am »
The new connection tool allows you to do this sort of thing:

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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on October 30, 2019, 11:14:41 pm »
Now that Iíve got the roof connection functionality up and running it is time to turn my attention to the actual roof framing. This is where the real headaches begin.

I think I will start with trying to figure out an efficient algorithm for the ridge boards.

Most orthogonal roofs are fairly straight forward:

If a ridge meets another ridge then it will receive a miter cut to match with that other ridge.

If the ridge terminates into two hip rafters then it will be a square cut.

The question I have is what to do when the hip terminates into a flying hip and valley?

Then of course there are the exceptions caused by half hips, dutch gables, gables and terminals but those can be accounted for.

As Iíve previously stated it makes sense to first catolog each edge of the roof primitive and create a hash for easy lookups. The process of elimination should allow me to assemble the catalog relatively easily.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on October 30, 2019, 03:29:27 pm »
Version 2.6.0 - 10.30.2019
- Added the terminal roof plane option for complex roofs.
- Added the "Complex Roof Connection" tool to the complex roof toolbar.
- Enabled Roof Connections for complex roofs: roof assemblies or solid groups.
- Added the "Remove Roof Connection" feature to the edit menu for complex roofs.





Tomorrow I will put out a tutorial video explaining the terminal roof plane option and the setting up and dismantling of roof/roof and roof/solid connections.
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Medeek Truss Plugin / Re: Development and Updates for the Medeek Truss Plugin
« Last post by Medeek on October 28, 2019, 05:55:06 pm »
First look at two intersecting complex roof assemblies:

View model here:

https://3dwarehouse.sketchup.com/model/2841db7b-a46d-49f1-801e-771f6ceec84a/Intersecting-Roof-Assemblies

As I've worked my way through the logic of intersecting roof assemblies this evening it has become clear to me that the concept of primary and secondary roofs really does not exist.  In actuality intersecting roofs is the more correct terminology.  If a roof assembly intersects another roof assembly, each will need to have its geometry modified by the presence of the other assembly's roof primitive. Each assembly will store the other assembly's name in its attribute library (database) as a connecting object.

The tricky part of this will be the rafter framing, where a simple boolean subtraction of the opposing roof primitive from the rafters will not work.  I will need to ponder on this some more, I think the solution will probably reveal itself but currently I don't see a clear path on this one.
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