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Helix thumbnails
tree :: Antiprism Examples and Visual Reference > Program Examples > Programs: sweep_edges > Helix Image List
Description : Tapered helix sweep. Colour the edges of a triangle model, scale it by 0.5 (-S 0.5), progressively translate it 2 to 1 units on the x-axis (-T '2*(1-FRAC),0,0'), progressively translate it 5 to 0 units on the y-axis (-T 0,5*FRAC,0), progressively rotate it 10 turns around the y-axis (-R 0,10*ANG,0). Note that maths expressions using special characters lie '(' may need the option argument to be surrounded by quotes, or escaped in some other way.

View this model with the command

off_color -e U pol3 | sweep_edges -n 200 -S 0.5 -T '2*(1-FRAC),0,0' -T 0,5*FRAC,0 -R 0,10*ANG,0 | antiview -t no_tri -x e

 
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sw_helix.jpg  42KB JPEG image, 800 x 600 pixels
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Contact: adrian@antiprism.com      -      Generated on Tue 02 Nov 2021 16:49:21 CET