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Topic: Trace (Read 751 times) |
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kmcdonald
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Trace
« on: Jan 13th, 2004, 4:19pm » |
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I got an idea for a way to follow lines in photos and drawings based on a grayscale representation of the image, and implemented it as a p5 applet that sketches photos:
http://rpi.edu/~mcdonk/code/trace/
The algorithm essentially takes a weighted average with respect to grayscale value (or whatever you call (red+green+blue)/3) within a certain scope about a given pixel, and draws perpendicular to the vector of positive change, and starts over at the end of the line.
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Koenie
 
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Re: Trace
« Reply #1 on: Jan 13th, 2004, 8:29pm » |
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That is very neat! The lines seem to be only going straight. Maybe you could try to make them find ligth and dark polygons? Just a thought.
Koenie
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http://koeniedesign.com
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kevinP
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Re: Trace
« Reply #2 on: Jan 13th, 2004, 10:20pm » |
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Hi,
I liked the shaggy sketching, too. I was wondering though, why neither of you puts your names or URL in the scripts?
It seems useful to collect some of these, but of course one wants to know where they came from, who wrote them, etc. (Or are they simply too small to be worth the bother?)
Sorry if this is a naive question!
-K
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Kevin Pfeiffer
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kmcdonald
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Re: Trace
« Reply #3 on: Jan 13th, 2004, 11:33pm » |
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I'm glad you liked it!
on Jan 13th, 2004, 8:29pm, Koenie wrote:| Maybe you could try to make them find ligth and dark polygons |
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Do you mean coerce the lines to complete polygons with each step, instead of tracing them over multiple steps
Koenie, by the way, where did the music on your website come from
Pfeiffer, I guess I never considered that people would pay that much attention to the source ^_^ It sounds like it might be helpful, though, so I will try and add my name or something to in the future.
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