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Topic ClosedNot a Polyline no Prompt
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CadClothier View Drop Down
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Joined: 12.Oct.2022
Location: United States
Using: AutoCAD2023
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Points: 2 		Direct Link To This Post Topic: Not a Polyline no Prompt
    Posted: 12.Oct.2022 at 03:11
Hi all,

I am trying to convert a shortened ellipsis (looks like an arc now) to a polyline to connect to other polylines. However, selecting gives the note "this object is not a polyline" without the prompt to change it to one. Is there a fix for this?
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
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Points: 1426 		Direct Link To This Post Posted: 12.Oct.2022 at 08:49
Try the PEDIT command ( Polyline EDIT ) and follow the instructions ( options to take ) on the command line ( eventually press F2 to see better ).




Edited by philippe JOSEPH - 12.Oct.2022 at 08:55
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Kent Cooper View Drop Down
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Joined: 12.Mar.2013
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Using: AutoCAD2020, 2023
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Points: 627 		Direct Link To This Post Posted: 12.Oct.2022 at 20:32
PEDIT doesn't accept selection of an Ellipse [as of Acad2020 that I have here].  One thing you can do is to OFFSET it outward, resulting in a Spline, then Offset that again inward by the same amount, resulting in a Spline overlaying the Ellipse, which you can then work on with PEDIT.
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philippe JOSEPH View Drop Down
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Points: 1426 		Direct Link To This Post Posted: 13.Oct.2022 at 08:19
Hello CadClothier and Kent, oups I did it again, in fact it's PELLIPSE...
I think that you have to choose a number of points for your polyline, do not choose a too high number.

https://knowledge.autodesk.com/support/autocad/learn-explore/caas/sfdcarticles/sfdcarticles/Change-true-ellipse-into-polyline.html






Edited by philippe JOSEPH - 13.Oct.2022 at 08:23
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Kent Cooper View Drop Down
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Joined: 12.Mar.2013
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Using: AutoCAD2020, 2023
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Points: 627 		Direct Link To This Post Posted: 14.Oct.2022 at 14:53
Originally posted by philippe JOSEPH philippe JOSEPH wrote:

Hello CadClothier and Kent, oups I did it again, in fact it's PELLIPSE...

[PELLIPSE is a System Variable, not a command like PEDIT.  It will affect whether newly-drawn Ellipses are true Ellipse objects or Polyline approximations.  Not being a command, it can't convert an existing Ellipse object into a Polyline, which is the original request here.  Also, with PELLIPSE=1 you don't get a choice of number of arc segments in the approximation -- it's always 16, and there is no option to draw a partial Ellipse, so if you want that, you need to draw the full one and Trim or Break it.]


Edited by Kent Cooper - 14.Oct.2022 at 14:58
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