How do I undo an accidental vertex added to an ellipse causing it to become a polygon.

Community Beginner ,
Jan 04, 2021

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I often create an elipse mask to track and blur faces in a video. I often have to manually adjust the shape of the elipse from frame to frame and sometimes I accidentally click on the line of the elipse instead of one of the four vertex points and inadvertantly add a new vertex point with bezier handles turning the elipse into a polygonal shape. I UNDO the action which fixes the ellipse on that frame but I then discover that all the preceding frames have converted the elipses to polygons with the extra verytex making it impossible to adjust the shape as a constrained elipse. 

 

SO, my questions - 1. How can I UNDO the mistake of accidentally converting the shape to a polygon so that it reverts all the ellipses on preceding frames as well? 2. How can I remove an added vertex point so that the shae becomes a constrained ellipse again? 3. How do I stop the cursor from automatically adding a new vertex when I accidentally click in the wrong spot on the ellipse?

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How do I undo an accidental vertex added to an ellipse causing it to become a polygon.

Community Beginner ,
Jan 04, 2021

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I often create an elipse mask to track and blur faces in a video. I often have to manually adjust the shape of the elipse from frame to frame and sometimes I accidentally click on the line of the elipse instead of one of the four vertex points and inadvertantly add a new vertex point with bezier handles turning the elipse into a polygonal shape. I UNDO the action which fixes the ellipse on that frame but I then discover that all the preceding frames have converted the elipses to polygons with the extra verytex making it impossible to adjust the shape as a constrained elipse. 

 

SO, my questions - 1. How can I UNDO the mistake of accidentally converting the shape to a polygon so that it reverts all the ellipses on preceding frames as well? 2. How can I remove an added vertex point so that the shae becomes a constrained ellipse again? 3. How do I stop the cursor from automatically adding a new vertex when I accidentally click in the wrong spot on the ellipse?

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Editing, Effects and Titles, Error or problem

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Jan 04, 2021 0
Adobe Community Professional ,
Jan 04, 2021

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Ctrl/Cmd-click on a vertex should eliminate that one vertex without affecting anything else.

 

Neil

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Community Beginner ,
Jan 04, 2021

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Thanks for the reply Neil. If I hold down control it opens a menu window. If I hold down command it allows me to delete the vertex but it changes the shape of the elipse and all the other vertexes have bezier handles. The issue I have is that once a vertex is added the shape becomes a polygon and I can't change the dimensions easily the way I can with a constrained ellipse. 

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Adobe Community Professional ,
Jan 04, 2021

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I understand your problem better, I think. Stepping back via Ctrl/Cmd-Z can undo changes so you're back to the original ellipse shape, and on my rig does so completely. I can have the original ellipse just by going back.

 

And adding any control points does change the nature of the shape controls. You can still do a Shift-click just outside any vertex to resize the whole shape, but you can't simply grab one and have the "smooth" changes across the ellipse as you drag.

 

Once you've got a polygon, basically ... you need to click-drag a bounding box over multiple vertexes to move them at the same time and direction. But it ain't "proportional", they'll all move the same amount.

 

Neil

 

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Community Beginner ,
Jan 12, 2021

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Thanks again Neil. Yes, you understand my problem. I've tried Cmd-Z to undo the change when I accidentally click in the wrong place on the elipse and add a vertex. But the issue is that it changes the ellipse to a polygon on all the preceding frames and when I click command Z it only changes the polygon back to an ellipse on the frame I'm currently on. So I can continue moving forward with the ellipse, but if I need to go back and adjust one of the ellipses on a previous frame I have to deal with it being a permanent polygon. I really wish there was a way to stop the cursor from automatically turning the elipse to a polygon (and the ellipses on all preceeding frames) whenever I click outside of one of the 4 existing vertexes. The program should be designed so that adding a vertex requires use of a different tool or keystroke. 

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Jan 12, 2021 1
Adobe Community Professional ,
Jan 12, 2021

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Yea, I can see that. Very annoying.

 

Neil

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