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layers.LSP
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(vmon)
(defun c:FE (/ a b c d e x)
(setvar "cmdecho" 0)
(grtext -1 "Freeze layer except....")
(prompt "\n Freeze layer except....")
(setq a (ssget)
b (entget (ssname a 0))
x 1
c (cdr (assoc '8 b))
e c
d (ssname a 1)
)
(while d
(progn
(setq b (entget d)
c (strcat c "," (cdr (assoc '8 b)))
b (entget d)
d (ssname a x)
x (1+ x)
)
)
)
(command "layer" "s" e "f" "*" "t" c "")
(setvar "cmdecho" 1)
(grtext)
(prin1)
)
(defun c:FL (/ a b c d e x)
(setvar "cmdecho" 0)
(prompt "\n Freeze layer :")
(setq a (ssget)
b (entget (ssname a 0))
x 1
c (cdr (assoc '8 b))
d (ssname a 1)
)
(while d
(progn
(setq b (entget d)
c (strcat c "," (cdr (assoc '8 b)))
b (entget d)
d (ssname a x)
x (1+ x)
)
)
)
(command "layer" "f" c "")
(prompt (strcat "\n Layer(s) " c " frozen"))
(setvar "cmdecho" 1)
(grtext)
(prin1)
)
(defun c:OL (/ a b c d e x)
(setvar "cmdecho" 0)
(grtext -1 "OFF layer")
(grtext -2 " G J Lebbink & F W Blok")
(prompt "\n Layer to turn OFF:")
(setq a (ssget)
b (entget (ssname a 0))
x 1
c (cdr (assoc '8 b))
d (ssname a 1)
)
(while d
(progn
(setq b (entget d)
c (strcat c "," (cdr (assoc '8 b)))
b (entget d)
d (ssname a x)
x (1+ x)
)
)
)
(command "layer" "off" c "")
(prompt (strcat "\n Layer(s) " c " off"))
(setvar "cmdecho" 1)
(grtext)
(prin1)
)