pixel select, with a random reduction (cull component). At a quick glance, you have lower 3 rows at about 90% density, next two rows at about 55%, and top two at 17%.
Gilbert Tesselation with propagation in 2 dirrections X and Y. Crack propagation with an angle of 90°.
http://www.grasshopper3d.com/forum/topics/gilbert-tesselation-2
t of a line as well as it's direction and length. Then I will divide the line into segments. Then I will rotate each segment 90 degrees in some direction from it's center point."
Then I make a numbered list trying to be more specific.
"1.define a point at 0,0,0
2.make a line starting at that point in the x direction 80mm.
3.divide the line into 10 pieces.
4.find the center of each of the 10 lines.
5.rotate each line 90 degrees from the x direction clockwise from the start point."
Then I try and make a list using grasshopper components describing inputs and outputs.
1.line start point vector length. input 0,0,0 into start point, input x as direction. Input 80mm as length.
2.divide curve: input resulting line segment and input 10 as number of segment.
3.curve center point: input list of segments
4.rotate: input list of segments, input curve center points as center of rotation. Input 90 degrees into rotation amount.
Also sometimes for more complicated stuff I will make a list of rhino commands saying how I would do it In rhino. Then try and covert it to grasshopper.
Hope that helps.
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Added by Michael Pryor at 12:31pm on August 12, 2011