get the block @ a point with a given name
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get the block @ a point with a given name

 
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hutch
Guest
Posted: Sun Apr 03, 2005 1:10 am    Post subject: get the block @ a point with a given name Reply with quote
This works:
(ssget "x" '((0 . "INSERT")(2 . "MyBlock")))

But this does not:
(ssget "x" '((0 . "INSERT")(2 . "MyBlock")(cons 10 pnt)))

Why? Can't I include the point in the filter?
pnt is a list like this --> (x y z)

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Jeff Mishler
Guest
Posted: Sun Apr 03, 2005 1:19 am    Post subject: Re: get the block @ a point with a given name Reply with quote
You can't use cons in a quoted list. Try this:
(ssget "x" (list '(0 . "INSERT") '(2 . "MyBlock") (cons 10 pnt)))

--
Jeff
check out www.cadvault.com
"hutch" <nospam@address.withheld> wrote in message
news:3676682.1112472633128.JavaMail.jive@jiveforum2.autodesk.com...
Quote:
This works:
(ssget "x" '((0 . "INSERT")(2 . "MyBlock")))

But this does not:
(ssget "x" '((0 . "INSERT")(2 . "MyBlock")(cons 10 pnt)))

Why? Can't I include the point in the filter?
pnt is a list like this --> (x y z)
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Jürg Menzi
Guest
Posted: Sun Apr 03, 2005 1:21 pm    Post subject: Re: get the block @ a point with a given name Reply with quote
Hi Hutch

In general see Jeff's answer. Because of inaccuracy of decimal numbers I would
suggest use a fuzzy point filter method:
Code:

(setq PreVal 1E-8
      LolPnt (mapcar '- Pnt (list PreVal PreVal PreVal))
      UprPnt (mapcar '+ Pnt (list PreVal PreVal PreVal))
)
(ssget "X" (list
           '(0 . "INSERT")
           '(2 . "MyBlock")
           '(-4 . ">,>,>") (cons 10 LolPnt)
           '(-4 . "<,<,<") (cons 10 UprPnt)
           )
)


Cheers
--
Juerg Menzi
MENZI ENGINEERING GmbH, Switzerland
http://www.menziengineering.ch

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