Allow to create both circumscribed and inscribed ellipses with Convert to Shape effect
When using the convert to shape tool / ellipse:
Select circle imported from PDF that has 100's of points around perimeter. Use convert to shape, ellipse option. If I set the tool to "relative", and the value to zero "0", then the converted shape should match the original. Instead, the shape is larger, because it is using the size of the box inscribed in the circle instead of the diameter (or width and height). Please fix this.

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Circumscribed VS Inscribed. One is there and the other one is not...
The workaround that can be used is to convert it to a rectangle instead and apply a Round Corners effect with a large value. Expanding it though won’t give us a real ellipse, and using Object > Shape > Convert to Shape won’t work in most cases (unless the width / height values are truly equal)...
Another solution would be to use the Dynamic Shapes plugin tool, it recognizes these imported circles better. -
Anonymous commented
I confirm! I have the same problem. / AI CC 2018 (22.1), MacOS High Sierra 10.13.6