Why are these conditions necessary, and the ZCB function itself?
Is this why my installed zCallback64_ is called once?

I had to comment them all out.
It should be like this, updating the list of centers after offset in and then out.

This is necessary to remember the original centers for future accurate reconstruction of arcs and circles.
Why are these conditions necessary, and the

ZCBfunction itself?Is this why my installed zCallback64_ is called once?
I had to comment them all out.

It should be like this, updating the list of centers after offset in and then out.
This is necessary to remember the original centers for future accurate reconstruction of arcs and circles.