Subject: Re: Shape that wraps another.
> Thanks, that's very useful. I didn't know the term "offset surface".
> Yes, I'm searching for a tighter fit. For the moment, I only need to do
> it in an image I have. Is there any tool I can use for that?
For pixelated images, you can do this by means of a filter.
Basically, you would take each pixel of the input shape, and stamp a
filled circle of radius d into the output image. The shape Y would
then be the complete set of filled points of the output --- or its
boundary, depending on what you consider a "shape": the full area, or
just the boundary.
Image processing software may offer this kind of operation under the
name of "grow" or "inflate".
Hans-Bernhard Broeker (email@example.com)
Even if all the snow were burnt, ashes would remain.
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