Hello , I’m trying to reproduce the facade pattern of Plural Facades (Monterrey, 2017) in Grasshopper. The vertical folds seem to change gradually across the facade rather than repeating a single wave profile. How do you think this geometry was generated, and what would be the most likely Grasshopper workflow to achieve a similar result?
I tried making it myself, but I can’t get the same result—could you show me a couple of columns as examples?
Your top image is what I see when I go to my dermatologist and I’ve made a couple of attempts to duplicate it. Is either one of these close enough for what you want to make?
As I recall both are done by tweaking points on contour lines, then using those points to make control curves for a Loft surface.
Thank you for the examples, but they didn’t really help me understand what I’m trying to achieve. I also didn’t quite understand the dermatologist comparison.
Thanks
I haven’t tried to reproduce it in Grasshopper, but the website explains the generation process pretty extensively: Plural Facades - ME–ST
From that information, it is not too difficult to understand the logic behind the project. Implementation of that logic in GH might not be quite straightforward though…
thanks for messages - I’m having trouble adjusting the frequency of the generated sine curve. I can’t seem to get it to behave the way I want. At the moment, the sine curve isn’t responding as expected when I try to change its frequency.
Could you please point me in the right direction or explain how the frequency parameter should be controlled? -
From what I see, one side
Bump = sin (n1*y* PI)
other side
Bump = sin (n2*y* PI)
Lateral bump =0
if x[0,1] and y[0,1]
n(x,y) =n1 for x=0
n(x,y) =n2 for x=1
But there is something else I don’t understand for now!
plural facades sinus sinus v2.gh (13.4 KB)
V3
Rich Graph mapper useful here
plural facades sinus sinus v3.gh (10.1 KB)
Your explanation is really helpful—I’m checking it out now. Thank you so much!
I think these images might help you (from the same link I posted above). The first one has detailed data on the curve design, with Amplitude, Frequency and Resolution (although I don’t know what the Resolution parameter does in this context, I think with a bit of reasoning and context it can be inferred).
Aargh I didn’t click enough to see these images. But I understood what it was except that some pattern have a 3 sinus function and not just 2.
See in my previous answer, I updated the script
First of all, really thank you. Can I ask one more question ? I modified the formula a little and did some tests. I would like to ask one more question. I want to calculate these distances here as minimum and maximum values. I tried measuring them as the length of the vectors normal to the surface, but it did not work. Is it possible to set minimum and maximum distance limits for this?
-distances such as z1, z2, z0, and I want to calculate the distance of these points/levels to the back surface..
4-plural facades sinus sinus v3.gh (35.7 KB)
Hi Laurent,
Would it be okay for you if I use this formula/form in my project? And can I mention you as a reference when presenting it?- Or do you have any other suggestions..
Hello
for this project the main reference is ": Plural Facades - ME–ST ". Quite everything is given in the images from this project.
For this I think you must calculate the shift relative to the 0. So a positive side and a negative one. The lateral reference line is at level 0. So calculate max of positive values and min of negative values, then Scale, Shift or do whatever you want.
