[已解決]lisp 圖層框選凍結問題

由 **adslwang** 2011-07-13, 21:38

各路高手請問我利用chprop指令執行圖層凍結
我使用(setq en (entsel "\n 選取"))來搭配物件資料選取是可以凍結物件的...
可是當我使用ssget的方式如下來框選物件確發生了問題,我想我應該是缺少某一些要素,可是我想不出來,可是當我單純執行chprop確可以使用框選的方法來凍結圖層........
(setq en (ssget))
(command "-layer" "F" en "")

請問要怎麼解決這一個問題呢?

由 **pizg** 2011-07-14, 13:33

(setq en (ssget))
(command "-layer" "F" en "")
無法正常執行應該是AutoCAD本身的問題!!

山不轉路轉, 建議你用下列方法:

(setq en (ssget))
;;從en中取得所有物件的圖層名稱作成清單, 例如 "0,圖層1,圖層2,圖層3"
(setq i 0)
(repeat (sslength en)
(setq layName (cdr (assoc 8 (entget (ssname sl i)))))
...
(setq i (1+ i))
)
(command "-layer" "f" 圖層清單 "")

另外你必須注意, 關閉或凍結目前層時AutoCAD會詢問「是否確定?」,
在程式中也必須把這個考慮進去才行!!

Tiger&蘋果爸寫到: 謝謝熱心回覆~< 積分 +1>
[公告]關於團隊成員的回文及貢獻

由 **adslwang** 2011-07-14, 23:23

前輩，我試一下再上來報告，我只怕我功力還沒有到那邊....
謝謝指導.....

感謝啦

由 **adslwang** 2011-07-15, 21:33

還是超過我的能力範圍，畢竟我還是新手,我只能用前輩的東西改,還是解決不了,目前的狀況是可以框選到物件,且只能選到第一個物件能做凍,之後的就不能作凍,另外也嘗試使用ssadd代入可是也是失敗,是否可以請前輩再指點......
(defun c:ppoo()
(setq en (ssget)) (setq i 0) (repeat (sslength en)
(setq layName (cdr (assoc 8 (entget (ssname en i)))))
(setq i (1+ i)))
(command "-layer" "f" layname "") (princ))

以下是我參考其它例子再加入一些東西供參考目前我也只能做到這樣.....
當不再凍結圖層時只要按下sec便可。
(defun c:AFk()
(SETVAR "CMDECHO" 0)
(while t
(setq en (entsel "\n 選取凍結圖層"))
(cond((= en nil)(alert (strcat "\n 沒有選中物件，再選一次"))(prin1))
(t(setq endata (entget (car en)))
(setq dd (assoc 8 endata))(setq dd2 (cdr dd))(command "-layer" "F" dd2 "")
(princ "\n 凍結單一圖層，這一個圖層名是[ ") (princ dd2) (princ " ]"))
(prin1))))

我在練基本功，希望可以找到真正的解答......我有點睏了

由 **pizg** 2011-07-16, 08:38

雖然你的程式有點小瑕疵，但基本上程式已可以運作，我將你的程式稍作修改如下:
(defun c:AFk()
(SETVAR "CMDECHO" 0)
(while t
(setq en (entsel "\n 選取凍結圖層"))
(cond
((= en nil)
(alert (strcat "\n 沒有選中物件，再選一次"))
)
(t
(setq endata (entget (car en)))
(setq dd (assoc 8 endata))
(setq dd2 (cdr dd))
(command "-layer" "F" dd2 "")
(princ "\n 凍結單一圖層，這一個圖層名是[ ") (princ dd2) (princ " ]")
)
)
)
(prin1)
)

這裏要提醒你一點，如果要讓使用者按下鍵才能結束程式的運作，則最好要做「錯誤處置(*error)」，細節請參考AutoLISP說明文件。

由 **adslwang** 2011-07-16, 08:54

前輩，我可以再問你一下嗎
http://autocad.bestoforum.net/t6619-topic

(while (/= (getvar "ERRNO") 52)
(command "_dimlinear" pause pause pause)
)
while 後面那一排紅色的東西指的是什麼我有去查它的變數可是變數沒有值 52? 而且 /=的關系我稿不太懂,可以指點一下嘛

由 **pizg** 2011-07-16, 09:03

ERROR CODE=52 表沒有選到物件(Entity selection: null response)
這 (/= (getvar "ERRNO") 52) 表有選到物件

不過個人覺得程式這樣寫並不是很妥當
>>>
(while (/= (getvar "ERRNO") 52)
(command "_dimlinear" pause pause pause)
)
因為ERRNO有可能是其它值, 不一定是52

Value
Meaning

代碼:: 0 No error 1 Invalid symbol table name 2 Invalid entity or selection set name 3 Exceeded maximum number of selection sets 4 Invalid selection set 5 Improper use of block definition 6 Improper use of xref 7 Object selection: pick failed 8 End of entity file 9 End of block definition file 10 Failed to find last entity 11 Illegal attempt to delete viewport object 12 Operation not allowed during PLINE 13 Invalid handle 14 Handles not enabled 15 Invalid arguments in coordinate transform request 16 Invalid space in coordinate transform request 17 Invalid use of deleted entity 18 Invalid table name 19 Invalid table function argument 20 Attempt to set a read-only variable 21 Zero value not allowed 22 Value out of range 23 Complex REGEN in progress 24 Attempt to change entity type 25 Bad layer name 26 Bad linetype name 27 Bad color name 28 Bad text style name 29 Bad shape name 30 Bad field for entity type 31 Attempt to modify deleted entity 32 Attempt to modify seqend subentity 33 Attempt to change handle 34 Attempt to modify viewport visibility 35 Entity on locked layer 36 Bad entity type 37 Bad polyline entity 38 Incomplete complex entity in block 39 Invalid block name field 40 Duplicate block flag fields 41 Duplicate block name fields 42 Bad normal vector 43 Missing block name 44 Missing block flags 45 Invalid anonymous block 46 Invalid block definition 47 Mandatory field missing 48 Unrecognized extended data (XDATA) type 49 Improper nesting of list in XDATA 50 Improper location of APPID field 51 Exceeded maximum XDATA size 52 Entity selection: null response 53 Duplicate APPID 54 Attempt to make or modify viewport entity 55 Attempt to make or modify an xref, xdef, or xdep 56 ssget filter: unexpected end of list 57 ssget filter: missing test operand 58 ssget filter: invalid opcode (-4) string 59 ssget filter: improper nesting or empty conditional clause 60 ssget filter: mismatched begin and end of conditional clause 61 ssget filter: wrong number of arguments in conditional clause (for NOT or XOR) 62 ssget filter: exceeded maximum nesting limit 63 ssget filter: invalid group code 64 ssget filter: invalid string test 65 ssget filter: invalid vector test 66 ssget filter: invalid real test 67 ssget filter: invalid integer test 68 Digitizer is not a tablet 69 Tablet is not calibrated 70 Invalid tablet arguments 71 ADS error: Unable to allocate new result buffer 72 ADS error: Null pointer detected 73 Cannot open executable file 74 Application is already loaded 75 Maximum number of applications already loaded 76 Unable to execute application 77 Incompatible version number 78 Unable to unload nested application 79 Application refused to unload 80 Application is not currently loaded 81 Not enough memory to load application 82 ADS error: Invalid transformation matrix 83 ADS error: Invalid symbol name 84 ADS error: Invalid symbol value 85 AutoLISP/ADS operation prohibited while a dialog box was displayed