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LITOKARDO_BC

FLIP SELECT MULTI BLOCK

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LITOKARDO_BC

 

Good day, I need help please. I got this autolisp, but it only works for a single block. I don't have the knowledge to adapt it and select multiple blocks. thank you very much for your attention.

; Flip block example - with (grread)
(defun C:fb1 ( / e enx g s k itm )
 (and
   (setq e (car (entsel "\nPick a block to flip: "))) 
   (member '(0 . "INSERT") (setq enx (entget e)))
   (princ "\nPress [X/Y/Z] to flip the block <exit>: ")
   (while (not s) (setq g (grread)) 
     (cond 
       ( (or (eq g '(2 13)) (= 25 (car g))) (setq s T) )
       ( (= 2 (car g)) 
         (and
           (setq k (cadr (assoc (strcase (chr (cadr g))) '(("X" 41)("Y" 42)("Z" 43)))))
           (setq itm (assoc k enx))
           (entmod (setq enx (subst (cons k (- (cdr itm))) itm enx)))
         )
       )
     ); cond
   ); while
 ); and
 (princ)
); defun C:test

 

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BIGAL

If your happy to pick pick then change the entsel  by adding a while. Not sure but nothing happened when I ran the code, picked block xyz message came up and nothing after that.

 

(while (setq e (car (entsel "\nPick a block to flip: ")))

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Emmanuel Delay
Posted (edited)

I isolated the user input (selecting multiple blocks, then typing X,Y or Z) from the rest of the function.

 

I removed the while loop.  You can always run the function twice or three times if you wish.

X,Y or Z is for all the selected blocks now

 

; Flip block example - with (grread)
(defun fb1 (e g /  enx  s k itm )
  (and
    (setq enx (entget e))
    (cond
        ( (or (eq g '(2 13)) (= 25 (car g))) (setq s T) )
        ( (= 2 (car g))
          (and
            (setq k (cadr (assoc (strcase (chr (cadr g))) '(("X" 41)("Y" 42)("Z" 43)))))
            (setq itm (assoc k enx))
            (entmod (setq enx (subst (cons k (- (cdr itm))) itm enx)))
          )
        )
    ); cond
  ); and

)

(defun C:fb1 ( / e i ss g)
  (princ "\nSelect blocks to flip: ")
  (setq ss (ssget (list (cons 0 "INSERT") )))
  (princ "\nPress [X/Y/Z] to flip the block <exit>: ")
  (setq g (grread))
  (setq i 0)
  (repeat (sslength ss)
    (setq e (ssname ss i))
    (fb1 e g)
    (setq i (+ i 1))
  )
  (princ)  
)

Edited by Emmanuel Delay

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