Part 1: Using given tower family
I made the mass entirely on Revit. The first step was to draw the site as per given dimensions and adding a property line. Then I added levels, following which I chose the family “Parametric tower- Twisting Cog” from the shared library. I added the mass floors and and adjusted the parameters like height and radii of profile at different heights to achieve the desired floor area. To get the twist, I changed the “Rotation Angle” parameter. I also added the formula to maintain the mid-height of tower at a certain distance from the top.
To extract the values of Gross Floor Area, Gross Surface Area, and Gross Volume of the test cases to Excel, I used the Dynamo code given below. The code includes the creation of a custom node.
This produces 3 excel sheets, each showing the values for the 9 test cases taken for the 3 parameters.
Part 2: Using custom tower family
For the custom tower, I made from scratch adaptive component families for the tower profile and the tower itself. The following are the tower family and the custom profiles created with parameters that can be flexed, like the width of the tower, angle of rotation of profile at each level, and the total height of the tower. Through trial and error, I reached a set of parameter values that would result in 1.2 million SF, and an aesthetic form.
The next step was to use the Dynamo code previously created to extract parameter values for at least 12 test cases. The code is similar to the one given above in Part 1. This produces 3 excel sheets, each showing the values for the 12 test cases taken for the 3 parameters.