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Stage 1 Part 1:
For this part I used the provided twisting rectangular mass for my parametric tower, and flexed its height to test how additional height changed the overall GFA of the tower.
Stage 1 Part 2:
For my custom massing, I created a heart shaped mass that transformed from a geometric heart at the bottom to a rounded heart at the top. I set up parameters including Building Humps Height, Building Point Height, Heart Point Depth, Building Width, and Building Length. I also created a relationship between the heart’s “humps” and its point, so that the height of the point is always 3x the height of the humps, and I constrained the building’s depth to width ratio. Then, I used my dynamo script to flex the hump height, which in turn also changed the height of the point. I generated a report of how values for GFA change as I tested different hump heights.
Points to Ponder: Exporting these values to a CSV allowed me to open it in a spreadsheet in apple’s numbers app, and allowed me to easily compare iterations and organize performance data for future analysis.
Stage 2:
To create my custom mass, I lofted together three profiles, with the base being circular and the middle and top profile being polygons with the same number of sides. I then set up parameters including Base Radius, Middle Radius, Top Radius, the number of polygon sides for both the middle and top, and the amount of rotation at the middle and top. I used translation vectors to stack the profiles vertically before lofting them. I then used the TowerPolygonByRadiusAndTwist custom node from the drive to get the surface area, volume, and gross floor area metrics.
To test how my form will respond to changes in base radius and the tip rotation, I made a loop using cartesian product and list transpose to test combinations of those inputs, and then used the BuildingForm.EvaluateSingleInput node to create a data set, which I then exported to a CSV so I could visualize the results in a spreadsheet.
Points to Ponder: Base Radius had the largest impact on my building’s performance and appearance. For a fixed rotation of 50 deg, increasing the base radius from 10 ft to 30 ft raised: Gross Floor Area from 24,433 sqft to 29,894 sqft, Gross Volume from 212,154 ft cubed to 256,704 ft cubed, and Gross Surface Area from 21,165 sqft to 25,760 sqft. While both parameters influenced the form’s appearence, base radius created more dramatic changes to the shape, although this may change if I test a wider range of rotation values in the future.
