Hi there. Im new to dynamo and its community, so hello to you all. I want to create a catenary line in revit, but revit does not understand what a COSH function is. Doing a search for a catenary line, i found some help, but nothing conclusive. I created an excel-file with a list of points wich c…

A manual approach to determine the height. Use the slider to adjust the constant (a) File: catenary.dyn [20160125-4]

Hi all I need to draw a catenary line with specified height and specified width how can i do that ? and is it possible to make it as a revit family? Thank you

Would it be possible to specify two points within a family or project file and form a centenary between them as demonstrated in the below image? [Capture]

Catenary between two points… File: catenary.dyn [20160129-1]

Thanks Vikram, that script works great. I did try selecting point which are 20/10/5m apart, due to the processing Dynamo hung up. Is this script scalable within Dynamo’s?

Change the second line in the code block from x=(-l.Length/2)…(l.Length/2)…0.1; (which creates points at a spacing of 0.1) to x=(-l.Length/2)…(l.Length/2)…10; (to create points with a spacing of 10) or x=(-l.Length/2)…(l.Length/2)…#50; (to create 50 points irrespective of the distance)

[Capture] Here i wanted to have a catenary with width 9 and hight 8 but i got this arc ! is there another way to find the right (a) for the top point i want. i need the two points and the top I think (a) is not the top of the catenary arch. Thank you.

a is a constant that helps alter the height. It is not the height variable. That’s the reason I said it’s a manual process that adjusts the height. However, if you are using the definition I posted earlier, feed in 9 (not 4.5) for width. Determining a is an algebraic problem. Need an equation to …

i am looking for a way to replace a script that i have used int he past in 3ds max for catanary that would take a excel table of xyz locations and calculate a long run of catanarys using the values of tension in N, Density N/m Gravity, would anyone be willing to help with this. i have the max script…

Hi Vikram, How would you manipulate this script so that you can feed it a list of p1’s, p2’s, and a’s and lace longest?

Catenary

Geometry

Marcel_Rijsmus August 29, 2022, 7:32am 29

In this post there is a working one

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Catenary

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