This posting showed various approaches for creating an image that was similar to paintings by the artist Vasarely. All of the images used a surface initially created in Rhino. When I tried to use a similarly shaped surface created in GH I was unable to get comparable results. H S Kim was able to e…

[image] Birk_Binnard: Why the circles around the outside perimeter are much more distorted than they should be. Heh, heh, it looks exactly like the same issue we wrestled with and solved in the other thread: [image] Attractor on Grasshopper (Vasarely like) Grasshopper …

Why the circles around the outside perimeter are much more distorted than they should be. Because you are using uv’s. Turn on the control points of any surface to understand your distortion, look how spacing differs at surface edges. I still don’t get why you would make this 2d effect via a 3d su…

Joseph - You are correct; it is the same issue that you previously posted. I looked at what you did and was about ready to make use of your solution when I found the one HS Kim posted. That one was much simpler in terms of the GH components involved, and it also allowed for multiple waves in the gen…

Michael - it seems I really am missing something about how surfaces are defined. I used the GH CP (Control Points) object to show the control points of my surface (really HS KIM’s) and for the one Joseph generated. The top view of each is the same - a square of evenly spaced points. I also used the…

[image] Birk_Binnard: it also allowed for multiple waves in the generated surface I am very well acquainted with using multiple waves to generate a surface (“ripplies”): [image] Adding Points to Ripple Grasshopper I spent a few minutes exploring this con…

I have attached the GH file I used to make my original posting in this thread. Please note the following: 1.The Cutouts group makes either stars or ellipses/circles. As it stands it makes only circles. Stars take a very long time to compute. 2. The whole process breaks if any of the cutouts extend…

I’m sorry @Birk_Binnard , I’m not going to be able to follow this in R6, and frankly, pretty much covered the subject in the other thread. [missing] “latest update”? What I posted above is not an update, just a simple example of the effect of rebuild surface on control points. It looks to me like…

Vasarely Redux & Resolved

Grasshopper

Michael_Pryor (ekim) July 21, 2019, 5:37am 6

Attach your surface.

About using vectors, you can see the example I put on the other discussion: Attractor on Grasshopper (Vasarely like) - #20 by Michael_Pryor

and if you want to use graphs check out atträctor

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Vasarely Redux & Resolved

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