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Have you ever encountered that the handle type of Bezier vertices cannot be changed from time to time?

To ensure that the Bezier handle type changes, you need to do one of two things:

(1) Use Box Select to drag to a large area outside the Bezier handle.

(2) Single-click on the area outside the Bezier spline before dragging around the vertices.

If it's as designed, it's a bit annoying.

What do you think about this?

Please refer to the image for details.

NOTE:

These are not the case if you select one vertex directly.

Only when you select vertices using "Box Select".

With the view that this issue is "working as designed", Not considered a bug.

enter image description here

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  • $\begingroup$ I think you misunderstood the design. If you select only one handle of the control point, you can set only this handle to a particular type. If you select the control point, it automatically selects both its handles, no need for box select. And if you change the CP's interpolation type, both its handles change accordingly $\endgroup$
    – Gorgious
    Oct 14, 2021 at 6:22
  • $\begingroup$ Thank you for your feedback. In the case of one vertex, you're right. I've shown it at one vertex for simplicity. The actual work is dragging many vertices, right? At that time, I think that there will be a problem with the behavior of the vertices of the edge. $\endgroup$
    – Yama
    Oct 14, 2021 at 7:14
  • $\begingroup$ I'm still not sure what's exactly your problem but you can hide handles and show only Control Points using this requires at least v2.92 or 2.93 can't remember $\endgroup$
    – Gorgious
    Oct 14, 2021 at 7:18
  • $\begingroup$ I'm not asking for an answer in this matter. Please refer to the image. Do not perform (No. 3 "Full drag of handle") and (No. 7 "single click"), and proceed to the next process. Maybe you won't get a circle immediately. Why is that? I want you to consider the reason. Thank you. $\endgroup$
    – Yama
    Oct 14, 2021 at 11:49
  • $\begingroup$ Sorry I still do not understand the question. Could you rephrase it in one sentence eg "I do not understand why, when I perform x, y happens" ? FYI this is not a site for discussing design decisions. $\endgroup$
    – Gorgious
    Oct 14, 2021 at 12:29

1 Answer 1

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I will explain what I understood.

To make sure change the handle type of Blender Bezier spline, It turned out that "it is necessary to make everything selected, including not only the vertices but also the Bezier handles."

Blender's architecture is special, The Bezier handle holds the "selected" and "unselected" states.

For beginners, the "Hold select and deselection of Bezier handles" function should be "disabled". In other words, it does not create the "selected" and "non-selected" states of the Bezier handle.

I think that the function of "holding the selection and deselection of the Bezier handle" is beneficial in its own way. In the preferences, I think it would be nice to be able to select "enabled" or "disabled" for that function.

Common Bezier spline tools do not have the ability to "hold selection and deselection of Bezier handles".

Adobe Illustrator, Photoshop, Blender Add-on Bezier Utility, I'm used to these behaviors, so I'm very confused by the operation of the built-in blender Bezier.

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