Why can not I pick the cirrcle

[asos2000]

Why Can not I select any snap of this circle?

Just center of the circle.

Circle.dwg

[BIGAL]

When I select can see center and quadrants. Is that not what you see ? Is circle in a non world ucs ?

[asos2000]

Try to draw a line from quadrant the snap goes to center only, even Nearest snap not selected. 

[eldon]

Your circle is not in the world UCS.

 

If you set a UCS using the circle as the base, then all the snaps work perfectly.

[asos2000]

17 hours ago, eldon said:

Your circle is not in the world UCS.

 

If you set a UCS using the circle as the base, then all the snaps work perfectly.

Thanks

But not working.

[eldon]

That is curious, because it works for me, even with my old version of AutoCAD.

 

How are you setting up the UCS? Are you taking the Object option and then clicking on the circle?

 

However, if you do not want your circles giving you problems, you will have to redraw them flat.

[paulmcz]

;;; Changes "Z" value of center points of all selected circles to 0.0
;;; Changes group code 210 to default: (210 0.0 0.0 1.0)

(defun c:dcc (/ a d d1 d2 e1 n)

  (princ "\n Select circles to fix: ")
  (setq	a  (ssget '((0 . "circle")))
	d  (sslength a)
	d1 d)
  (repeat d
    (setq d2 (1- d1)
	  n  (ssname a d2)
	  e1 (entget n)
	  e1 (subst (cons 210 '(0.0 0.0 1.0))(assoc 210 e1) e1)
	  e1 (subst (cons 10 (list (cadr (assoc 10 e1)) (caddr (assoc 10 e1)) 0.0))(assoc 10 e1) e1)
	  )
    (entmod e1)
    (setq d1 d2)
  )
  (princ)
)

Try to run this code on the circles

[asos2000]

Working perfect

Thanks