converting parametric 2d curves and circles to polylines
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 From:  Michael Gibson
10797.15 In reply to 10797.12 
Hi Pior,

re:
> [Edit] : Oh OK I think I get it now. If a part has corners made out of circle sections (that is to say,
> perfectly round fillet corners), this part will indeed export out as polyline when the exporter
> option is set to that *if* the whole thing is combined and connected.

If you have a curve that started out as a rectangle and then had corners filleted, then that whole curve is not a line, circle, arc, or polyline and so will not be processed as one of those entities, it will go through general curve handling.

If you use Edit > Separate to break the joined curve into separate smaller curves then you will have 4 lines and 4 arcs and so in that case if UseSimpleEntities=y it will write those out as LINE and ARC entities.

- Michael
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 From:  Michael Gibson
10797.16 In reply to 10797.14 
Hi Pior,

> since one would assume intuitively that a circle segment is a subset of the group "curve" (even though in the DXF sense they are different entities).

The term "Curve" in MoI terminology has a specific meaning, it's a wire object that has a child list of Curve Segments.

An arc that is contained inside a parent curve is not a "Curve" in MoI, it's a "Curve Segment".

- Michael
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