Following on from Part iv this study is aimed at understanding the general daily insolation and determining the tint on the glass to reduce glare and unwanted solar radiation.
The Struggle
To perform a solar study you require generally a plane at specific points and this allows for a vector normal to that plane to be defined and compared by a dot product to distinguish which vectors are pointing closest to the sun or not. This then drives a parameter that maps the results onto the each face to visually inspect the resultant. The code can be seen below I had to use multiple select face nodes in order to get the correct layering and data structure required. Initially this was my code and I had to research how to map colour from said vectors, until I found something similar to a mapping f(x). This remaps from 0 to 1 depending on the range given and the values correspond to the colour changes. Green is enough light and is not over exposed. Red is overexposed and glare issues.
Glare Issues
To address the glare on the Southern part of the tower a strategy already implemented was to create a Voronoi Tessellated pattern per each face and this brakes up areas and blocks out a proportional light reducing glare by roughly 40% on the Southern portion of the tower. Another stratedy is to install a light film that reflects solar radiation and install it leaving one foot from the top. The film is flexible with one side being adhesive with a coating to reflect the light out thus reducing another 42% to 82% total glare reduction.
Placement
The futuristic looking tower seemed that it could create some interesting dynamic between the classic backdrop of Brussels surrounded by modern buildings and this glass tessellated beacon.
Commentaires