Grasshopper

algorithmic modeling for Rhino

Trace

Hi All,
Very simple to rectify I'm sure,
What I want to do is trace around the outside of an image from the image sampler,
For example the picture of a person ,
Using the image sampler tutorial I have got one point but i would like to understand how i could get a pollyline to trace the shape of the a person.
Any ideas?
Alex

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Replies to This Discussion

Permalink Reply by Danny Boyes on June 16, 2011 at 4:11am

When I have to identify "blobs" of significant contrast on an image I use the Delaunay Mesh component to generate a mesh for all output points and then cull any significant distances to get individual polysurfaces that I then extract the boundary of.

I'll put together an example of this and get back to you.

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