Topic: Changing Layer Lineweights

[M-dub]

Guy I work with has a bunch of drawings with two dozen layers or so... All the same layer names in each drawing.  He wants to change the lineweights of most of the layers in each.
What's the quickest way to do this?  I'm thinking script.

I doubted it, but I tried inserting one of the 'good' drawings into one of the 'bad' drawings in hopes that it would override the lineweights, but it didn't work.

Sounds like it should be ringing some kind of bell in my head, but it isn't. 

[mjfarrell]

the cad manager tool, layer translate should do the trick...

or a simple script

[ronjonp]

Try this Mike:

Code: [Select]

(defun layerweights (lst / i l)
  (foreach i lst
    (if (setq l (tblobjname "layer" (car i)))
      (vla-put-lineweight (vlax-ename->vla-object l) (cdr i))
    )
  )
)
;;use your list of layernames and lineweights
(layerweights
  '(("layer1" . 0)
    ("layer2" . 5)
    ("layer3" . 9)
    ("layer4" . 13)
    ("layer5" . 15)
    ("layer6" . 18)
    ("layer7" . 20)
   )
)

[CAB]

Thanks Ron.
Those little LISP helper routines are great aren't they.

[ronjonp]

Thanks Ron.
Those little LISP helper routines are great aren't they. ")

That's no lie 

[M-dub]

Yes, Thank-you Ron! 

I think I'm going to use this opportunity to show him how to write a script.

( Even if I knew lisp, he even thinks writing a button macro is too advanced )

[ronjonp]

Yes, Thank-you Ron! 

I think I'm going to use this opportunity to show him how to write a script.

( Even if I knew lisp, he even thinks writing a button macro is too advanced )

You're welcome 

[sinc]

I also would go with the Layer Translator.  No scripts necessary.  Simply open the drawing you want to change, start the Layer Translator, load the layers from your "good" drawing, and hit Translate.  Done.

[Luke]

Insert the bad into the good instead of the good into the bad

[M-dub]

Trying out the layer translator right now...

[sinc]

Oops, I left out a step.  That "Map same" button will create a mapping between layers with the same name.

So you would need to load the layers from your "good" drawing, hit "Map Same" to create all the layer mappings, then hit "Translate" to actually do the work.

Once you get used to this tool, you can do quite a bit with it.  For example, say your company changes its layer standards.  You can create a mapping between your old standard and your new standard and save it.  Then, any time you want to "convert" an old drawing, simply open the Layer Translator, reload your saved mappings, and hit "Translate".  Instantly, everything is now on your new layer standard.