Layer Lisp

something with the descriptions column?? initially i couldn't get the other layers to populate unless i removed description and used nil...

Wouldn't this be easier to deal with and edit?

 

(defun c:Foo nil
(mapcar '(lambda (x) (apply 'MakeLayer x))
'(("CEN" 6 "CENTER" 0.18 T 0 nil)
("DIMS" -1 nil 0.18 T 1 "Dimensions")
)
)
(princ)
)

Alan, your routine displays this error message window in CAD2002:

Command: ap

APPLOAD FOO.LSP successfully loaded.

Command:

Command: foo

; error: no function definition: nil

Alan's routine was an edit to Lee's. you have to edit Lees with this section.

To remove the ambiguity from this thread:

(defun MakeLayer ( name colour linetype lineweight willplot bitflag description )
 ;; © Lee Mac 2010
 (or (tblsearch "LAYER" name)
   (entmake
     (append
       (list
         (cons 0 "LAYER")
         (cons 100 "AcDbSymbolTableRecord")
         (cons 100 "AcDbLayerTableRecord")
         (cons 2  name)
         (cons 70 bitflag)
         (cons 290 (if willplot 1 0))
         (cons 6
           (if (and linetype (tblsearch "LTYPE" linetype))
             linetype "CONTINUOUS"
           )
         )
         (cons 62 (if (and colour (< 0 (abs colour) 256)) colour 7))
         (cons 370
           (fix
             (* 100
               (if (and lineweight (<= 0.0 lineweight 2.11)) lineweight 0.0)
             )
           )
         )
       )
       (if description
         (list
           (list -3
             (list "AcAecLayerStandard" (cons 1000 "") (cons 1000 description))
           )
         )
       )
     )
   )
 )
)

(defun c:MakeLayers nil
 ;; © Lee Mac 2010

[color=blue][b]  ;; Specifications:

[/b][b]   ;; Description        Data Type        Remarks
 ;; -----------------------------------------------------------------
 ;; Layer Name          STRING          Only standard chars allowed
 ;; Layer Colour        INTEGER         may be nil, -ve for Layer Off, Colour < 256
 ;; Layer Linetype      STRING          may be nil, If not loaded, CONTINUOUS.
 ;; Layer Lineweight    REAL            may be nil, 0 <= x <= 2.11
 ;; Plot?               BOOLEAN         T = Plot Layer, nil otherwise
 ;; Bit Flag            INTEGER         0=None, 1=Frozen, 2=Frozen in VP, 4=Locked
 ;; Description         STRING          may be nil for no description

[/b][b]   ;; Function will return list detailing whether layer creation is successful.[/b][/color]  

 (
   (lambda ( lst )
     (mapcar 'cons (mapcar 'car lst)
       (mapcar
         (function
           (lambda ( x )
             (apply 'MakeLayer x)
           )
         )
         lst
       )
     )
   )
  '(
[color=blue][b]     ;    Name        Colour        Linetype        Lineweight        Plot?        BitFlag        Description[/b][/color]
    (    "CEN"         6           "CENTER"           0.18            T             0               nil      )
    (    "DIMS"       -1             nil              0.18            T             1           "Dimensions" )
    (    "HAT"         3             nil              0.18            T             5               nil      )
    (    "HID"         4           "HIDDEN"           0.15            T             0             "Hidden"   )
    (    "LOGO"       176            nil              0.09            T             0            "For Logo"  )
    (    "OBJ"        -2             nil              0.40            T             3               nil      )
    (    "PAPER"       5           "PHANTOM"           nil           nil            6               nil      )
    (    "PHAN"        6           "PHANTOM"          0.18            T             0               nil      )
    (    "TITLE"      176            nil               nil            T             1            "For Title" )
    (    "TXT"         7             nil               nil            T             0               nil      )
   )
 )
)

Edit table as necessary.

Alan, your routine displays this error message window in CAD2002:

 

Command: ap

APPLOAD FOO.LSP successfully loaded.

Command:

Command: foo

; error: no function definition: nil

 

What happens when you change (defun c:foo nil for (defun c:foo (/) ?

I think it was because they were loading your function without mine -

Hence getting (apply 'nil x)

I think it was because they were loading your function without mine -

 

Hence getting (apply 'nil x)

Oh well. I still feel my contrib. is a lot easier to edit, etc.

Most definitely - hence why I used that way of phrasing it when posting above. Preaching to the converted mate

I changed to (defun c: foo (/) and displayed the same error.

Command: foo

; error: no function definition: nil

Command:

I changed to (defun c: foo (/) and displayed the same error.

 

Command: foo

; error: no function definition: nil

Command:

Then it's that you are missing Lee's subroutine "MakeLayer". What I posted will not create the layers, it still needs the MakeLayer sub to be loaded.

I wonder if you aren't allowed to put nil instead of (/), when defining the function.

What happens when you change (defun c:foo nil for (defun c:foo (/) ?

Sidebar (nothing to do with the thread):

Why have I started to see that lately? What is making you guys replace "(/)" with "nil"?

Sidebar (nothing to do with the thread):

Why have I started to see that lately? What is making you guys replace "(/)" with "nil"?

I've done it a few times for kicks

I changed to (defun c: foo (/) and displayed the same error.

 

Command: foo

; error: no function definition: nil

Command:

Use my code in post #24

To remove the ambiguity from this thread:

 

(defun MakeLayer ( name colour linetype lineweight willplot bitflag description )
 ;; © Lee Mac 2010
 (or (tblsearch "LAYER" name)
   (entmake
     (append
       (list
         (cons 0 "LAYER")
         (cons 100 "AcDbSymbolTableRecord")
         (cons 100 "AcDbLayerTableRecord")
         (cons 2  name)
         (cons 70 bitflag)
         (cons 290 (if willplot 1 0))
         (cons 6
           (if (and linetype (tblsearch "LTYPE" linetype))
             linetype "CONTINUOUS"
           )
         )
         (cons 62 (if (and colour (< 0 (abs colour) 256)) colour 7))
         (cons 370
           (fix
             (* 100
               (if (and lineweight (<= 0.0 lineweight 2.11)) lineweight 0.0)
             )
           )
         )
       )
       (if description
         (list
           (list -3
             (list "AcAecLayerStandard" (cons 1000 "") (cons 1000 description))
           )
         )
       )
     )
   )
 )
)

(defun c:MakeLayers nil
 ;; © Lee Mac 2010

[color=blue][b] ;; Specifications:[/b][/color]

[color=blue][b]  ;; Description        Data Type        Remarks[/b][/color]
[b][color=blue] ;; -----------------------------------------------------------------[/color][/b]
[b][color=blue] ;; Layer Name          STRING          Only standard chars allowed[/color][/b]
[b][color=blue] ;; Layer Colour        INTEGER         may be nil, -ve for Layer Off, Colour < 256[/color][/b]
[b][color=blue] ;; Layer Linetype      STRING          may be nil, If not loaded, CONTINUOUS.[/color][/b]
[b][color=blue] ;; Layer Lineweight    REAL            may be nil, 0 <= x <= 2.11[/color][/b]
[b][color=blue] ;; Plot?               BOOLEAN         T = Plot Layer, nil otherwise[/color][/b]
[b][color=blue] ;; Bit Flag            INTEGER         0=None, 1=Frozen, 2=Frozen in VP, 4=Locked[/color][/b]
[b][color=blue] ;; Description         STRING          may be nil for no description[/color][/b]

[color=blue][b]  ;; Function will return list detailing whether layer creation is successful.[/b][/color]  

 (
   (lambda ( lst )
     (mapcar 'cons (mapcar 'car lst)
       (mapcar
         (function
           (lambda ( x )
             (apply 'MakeLayer x)
           )
         )
         lst
       )
     )
   )
  '(
[color=blue][b]    ;    Name        Colour        Linetype        Lineweight        Plot?        BitFlag        Description[/b][/color]
    (    "CEN"         6           "CENTER"           0.18            T             0               nil      )
    (    "DIMS"       -1             nil              0.18            T             1           "Dimensions" )
    (    "HAT"         3             nil              0.18            T             5               nil      )
    (    "HID"         4           "HIDDEN"           0.15            T             0             "Hidden"   )
    (    "LOGO"       176            nil              0.09            T             0            "For Logo"  )
    (    "OBJ"        -2             nil              0.40            T             3               nil      )
    (    "PAPER"       5           "PHANTOM"           nil           nil            6               nil      )
    (    "PHAN"        6           "PHANTOM"          0.18            T             0               nil      )
    (    "TITLE"      176            nil               nil            T             1            "For Title" )
    (    "TXT"         7             nil               nil            T             0               nil      )
   )
 )
)

Edit table as necessary.

Thanks a million guys!! You def'ly helped me out a tonne, i just have another question, on Lee's initial routine, the linetypes loaded in automatically. What do i need to change in this code to get it to do the same thing?

What i found was that as long as the lisp is in the same directory as the acad.lin and acadiso.lin files it worked. .... i also just tested to make sure, i completely purged my drawing, then ran the first lisp (old code) and presto!

I didn't really want to modify the sub, so try this:

(defun MakeLayer ( name colour linetype lineweight willplot bitflag description )
 ;; © Lee Mac 2010
 (or (tblsearch "LAYER" name)
   (entmake
     (append
       (list
         (cons 0 "LAYER")
         (cons 100 "AcDbSymbolTableRecord")
         (cons 100 "AcDbLayerTableRecord")
         (cons 2  name)
         (cons 70 bitflag)
         (cons 290 (if willplot 1 0))
         (cons 6
           (if (and linetype (tblsearch "LTYPE" linetype))
             linetype "CONTINUOUS"
           )
         )
         (cons 62 (if (and colour (< 0 (abs colour) 256)) colour 7))
         (cons 370
           (fix
             (* 100
               (if (and lineweight (<= 0.0 lineweight 2.11)) lineweight 0.0)
             )
           )
         )
       )
       (if description
         (list
           (list -3
             (list "AcAecLayerStandard" (cons 1000 "") (cons 1000 description))
           )
         )
       )
     )
   )
 )
)

(defun c:MakeLayers nil (vl-load-com)
 ;; © Lee Mac 2010

 [color=purple][b];; Specifications:

 [/b][b];; Description        Data Type        Remarks
 ;; -----------------------------------------------------------------
 ;; Layer Name          STRING          Only standard chars allowed
 ;; Layer Colour        INTEGER         may be nil, -ve for Layer Off, Colour < 256
 ;; Layer Linetype      STRING          may be nil, If not loaded, CONTINUOUS.
 ;; Layer Lineweight    REAL            may be nil, 0 <= x <= 2.11
 ;; Plot?               BOOLEAN         T = Plot Layer, nil otherwise
 ;; Bit Flag            INTEGER         0=None, 1=Frozen, 2=Frozen in VP, 4=Locked
 ;; Description         STRING          may be nil for no description

[/b][b] ;; Function will return list detailing whether layer creation is successful.  [/b][/color]  

 (
   (lambda ( lst / lts ) (setq lts (vla-get-Linetypes (vla-get-ActiveDocument (vlax-get-acad-object))))
     (mapcar 'cons (mapcar 'car lst)
       (mapcar
         (function
           (lambda ( x )
             (and (caddr x)
               (or (tblsearch "LTYPE" (caddr x))
                 (vl-catch-all-apply 'vla-load (list lts (caddr x) "acad.lin"))
               )
             )
             (apply 'MakeLayer x)
           )
         )
         lst
       )
     )
   )
  '(
   [color=purple][b] ;    Name        Colour        Linetype        Lineweight        Plot?        BitFlag        Description[/b][/color]
    (    "CEN"         6           "CENTER"           0.18            T             0               nil      )
    (    "DIMS"       -1             nil              0.18            T             1           "Dimensions" )
    (    "HAT"         3             nil              0.18            T             5               nil      )
    (    "HID"         4           "HIDDEN"           0.15            T             0             "Hidden"   )
    (    "LOGO"       176            nil              0.09            T             0            "For Logo"  )
    (    "OBJ"        -2             nil              0.40            T             3               nil      )
    (    "PAPER"       5           "PHANTOM"           nil           nil            6               nil      )
    (    "PHAN"        6           "PHANTOM"          0.18            T             0               nil      )
    (    "TITLE"      176            nil               nil            T             1            "For Title" )
    (    "TXT"         7             nil               nil            T             0               nil      )
   )
 )
)

Glad to see you took to the mapcar+apply and single list for each layer formatting.

Glad to see you took to the mapcar+apply and single list for each layer formatting.

Yeah, seemed like a better method, thanks.

Yeah, seemed like a better method, thanks.

You're welcome. Anytime.

i didn't really want to modify the sub, so try this:

 

(defun makelayer ( name colour linetype lineweight willplot bitflag description )
 ;; © lee mac 2010
 (or (tblsearch "layer" name)
   (entmake
     (append
       (list
         (cons 0 "layer")
         (cons 100 "acdbsymboltablerecord")
         (cons 100 "acdblayertablerecord")
         (cons 2  name)
         (cons 70 bitflag)
         (cons 290 (if willplot 1 0))
         (cons 6
           (if (and linetype (tblsearch "ltype" linetype))
             linetype "continuous"
           )
         )
         (cons 62 (if (and colour (< 0 (abs colour) 256)) colour 7))
         (cons 370
           (fix
             (* 100
               (if (and lineweight (<= 0.0 lineweight 2.11)) lineweight 0.0)
             )
           )
         )
       )
       (if description
         (list
           (list -3
             (list "acaeclayerstandard" (cons 1000 "") (cons 1000 description))
           )
         )
       )
     )
   )
 )
)

(defun c:makelayers nil (vl-load-com)
 ;; © lee mac 2010

 [color=purple][b];; specifications:[/b][/color]

[color=purple][b];; description        data type        remarks[/b][/color]
[b][color=purple] ;; -----------------------------------------------------------------[/color][/b]
[b][color=purple] ;; layer name          string          only standard chars allowed[/color][/b]
[b][color=purple] ;; layer colour        integer         may be nil, -ve for layer off, colour < 256[/color][/b]
[b][color=purple] ;; layer linetype      string          may be nil, if not loaded, continuous.[/color][/b]
[b][color=purple] ;; layer lineweight    real            may be nil, 0 <= x <= 2.11[/color][/b]
[b][color=purple] ;; plot?               Boolean         t = plot layer, nil otherwise[/color][/b]
[b][color=purple] ;; bit flag            integer         0=none, 1=frozen, 2=frozen in vp, 4=locked[/color][/b]
[b][color=purple] ;; description         string          may be nil for no description[/color][/b]

[color=purple][b];; function will return list detailing whether layer creation is successful.  [/b][/color]  

 (
   (lambda ( lst / lts ) (setq lts (vla-get-linetypes (vla-get-activedocument (vlax-get-acad-object))))
     (mapcar 'cons (mapcar 'car lst)
       (mapcar
         (function
           (lambda ( x )
             (and (caddr x)
               (or (tblsearch "ltype" (caddr x))
                 (vl-catch-all-apply 'vla-load (list lts (caddr x) "acad.lin"))
               )
             )
             (apply 'makelayer x)
           )
         )
         lst
       )
     )
   )
  '(
   [color=purple][b] ;    name        colour        linetype        lineweight        plot?        Bitflag        description[/b][/color]
    (    "cen"         6           "center"           0.18            t             0               nil      )
    (    "dims"       -1             nil              0.18            t             1           "dimensions" )
    (    "hat"         3             nil              0.18            t             5               nil      )
    (    "hid"         4           "hidden"           0.15            t             0             "hidden"   )
    (    "logo"       176            nil              0.09            t             0            "for logo"  )
    (    "obj"        -2             nil              0.40            t             3               nil      )
    (    "paper"       5           "phantom"           nil           nil            6               nil      )
    (    "phan"        6           "phantom"          0.18            t             0               nil      )
    (    "title"      176            nil               nil            t             1            "for title" )
    (    "txt"         7             nil               nil            t             0               nil      )
   )
 )
)

perfect, thanks lee- been a great help

You're welcome, happy to help out.