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Floor and roof slope arrow for variable thickness material

Floor and roof slope arrow for variable thickness material

I think it would be immensely helpful to be able to use the slope arrows for a roof or floor structure and when one has created a floor structure (sandwich) with layer(s) indicated as being "variable" that the slope arrow applies only to that/those layers.

 

Therefore, we could model a roof with layers: metal deck, rigid insulation (5" height), tapered insulation (1/2" height, variable selected), membrane roofing. The minimum, then, that the variable layer would be is the 1/2" - per the stipulation in the construction of the roof - and then would slope with the arrows above that.

 

This would be even more helpful if one could add numerous arrows that the program could mathematically derive the angles, peaks, and valleys automatically based upon these arrow head and tail locations.

 

I understand that this could likely be more involved to program, but the usability of roofs and floors would increase significantly as opposed to the current workflow of trying to establish the point locations, offsets, etc. that we currently undertake.

 

Thank you.

11 Comments
coreyb
Participant

The only way to do this currently is to modify the sub elements or a roof/floor. Or to create 2 separate elements and join them to mimic a sloped roof/floor. 

 

Also, when a roof/floor sub elements are modified the interior lines are not correct with the slope. 

JADAstudio
Collaborator

This would indeed be very helpful. Modifying sub-elements of a roof is imprecise and leads to confusing geometry (automatic break lines) for all but the most simple roof shapes. Additionally, the workflow of modifying sub-elements is not aligned with how designers conceive of low-slope tapered insulation roofs nor how these roofs are actually installed. There should be some way to specify a slope (e.g. 1/4"-1'-0" via a slope arrow) and have the "variable thickness" layer grow to accommodate... something like an instance parameter for roofs sloped via slope arrow(s) that is equivalent to "flat bottom".

Account.02
Explorer

i'm in according with "baumbach", sub-elements aren't usefuull if i have a complex shape. 

It'a necessary that variable layer works also with slope arrow!!!

It's time that Autodesk begin to develope Revit!!!! 

In this forum there are a lot of suggestions but, Autodesk ignore all of them!!

matb
Explorer

Agreed it would be useful. 

 

To do the same with a complex roof shape, Ive drawn a reference plane through in section then used the shape editing tools to pull the various levels of the roof to match.

 

bit of a ball ache but it works well.

justinpelliott
Explorer

Agreed.
Slope arrows made short work of a roof with an irregular boundary, but the layer set to variable in the assembly did not vary, it maintained it's thickness. 😑

rookio
Contributor

Upvoted this one. Ability to define the slope of a variable layer would be a HUGE benefit to workflow of complex roofs.

Please implement this idea!

kieran.grayken
Explorer

c'mon autodesk sort out the basics

AMalschaert
Community Visitor

Bizarrely I have a project open now where two roofs with a complex outline and a variable thickness layer. They both have the top controlled by a slope arrow and are both of the same type. One of them has a flat bottom side and the other doesn't. It seems to me this problem is already half fixed. Joking asside. I can' t figure out why these two roofs behave differently.

tylerVD3L4
Enthusiast

I would really like to be able to do this.

ssullivan_dARC
Explorer

Please provide an option for creating a variable thickness roof/floor using slope arrows and slope defining edges. Currently, it is only possible utilize a roof/floor with a material thickness set to variable if you Modify Sub-Elements. 

Tags (5)
ks2_wmb
Advocate

ks2_wmb_0-1702406821271.png

 

The orange shape is an in-place extrusion, and the top of the extrusion matches the slope that I want for the top of the roof.

 

I'm using the align tool to control the sub-element points, aligning them vertically to my in-place extrusion.  All my points are co-planar (because the extrusion top is planar), but Revit somehow can't tell that the geometry is planar and refuses to clean up the mesh lines.

 

Why isn't there a better way to do this?

 

(this is taken from a real project in our office, but these two elements are temporarily isolated this view)

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