[lug] Off-topic: Contour line in image problem

[D. Stimits]

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> 
> Sorry, I missed your original, was thinking you wanted the line length
> of the outline.
> 
> If you make an assumption that the image is symmetric, this are
Typo, replace ", this are..." with ", things are..."

> simplified. Finding the line integral of half of the profile, and then
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