尺寸驱动tt

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  Q. G) M& I: t% J* M0 B尺寸驱动tt;;;编写: BDYCAD
9 l) A( Z7 F  G0 S0 o;;;时间: 2005-03-18
;;;开发用时  26分钟
;;;功能: 尺寸驱动

1. (defun c:tt(/ BLB EP ESPL N-EP N-SP NEW-T SD SD-DXF SEA SEB SP SS1 SS2 SS3)
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2.   (setq SD (entsel "\n选择驱动尺寸:"))
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3.   (if SD
   
4.     (PROGN
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5.       (SETQ SD-DXF (ENTGET (CAR SD)))
   
6.       (WHILE (NOT (wcmatch (CDR (ASSOC 0 SD-DXF)) "*DIM*"))
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7. (setq SD (entsel "\n选择驱动尺寸:"))
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8. (SETQ SD-DXF (ENTGET (CAR SD))))
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9.       (SETQ SP (CDR (ASSOC 13 SD-DXF))
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10.      EP (CDR (ASSOC 14 SD-DXF))
    
11.      ESPL (DISTANCE SP EP)
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12.      SEA (ANGLE SP EP)
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13.      SEB (ANGLE EP SP)
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14.      NEW-T (getdist "\n新的长度:"))
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15.       (while (eq nil NEW-T)
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16. (setq  NEW-T (getdist "\n新的长度:")))
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17.       (if NEW-T
    
18. (progn
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19.       (setq BLB (* 0.5 (abs (-  NEW-T ESPL))))
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20.       (if (> ESPL NEW-T )
    
21. (setq N-SP (POLAR SP SEA BLB)
    
22.        N-EP (POLAR EP (+ PI SEA) BLB))
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23. (setq N-SP (POLAR SP SEB BLB)
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24.        N-EP (POLAR EP (+ PI SEB) BLB))
    
25. )
    
26.       (setvar "osmode" (logior (getvar "osmode") 16384))
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27.       (setvar "cmdecho" 0)
    
28.       (vl-cmdf "_.undo" "_group")
    
29.       (SETQ SS1 (SSGET "C" (POLAR SP (+ PI (* 0.25 PI)) 0.4)(POLAR SP (* 0.25 PI) 0.4))
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30.      SS2 (SSGET "C" (POLAR EP (+ PI (* 0.25 PI)) 0.4)(POLAR EP (* 0.25 PI) 0.4))
    
31.      )
    
32.       (IF SS1
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33. (COMMAND "STRETCH" (SSGET "C" (POLAR SP (+ PI (* 0.25 PI)) 0.4)(POLAR SP (* 0.25 PI) 0.4))
    
34.    ""SP N-SP))
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35.       (IF SS3
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36. (COMMAND "STRETCH" (SSGET "C" (POLAR EP (+ PI (* 0.25 PI)) 0.4)(POLAR EP (* 0.25 PI) 0.4))
    
37.    ""EP N-EP))
    
38.       (vl-cmdf "_.undo" "_end")
    
39.       (setvar "osmode" (logand (getvar "osmode") 49151))
    
40.       (PRINC"\n编写:BDYCAD\n尺寸驱动程序运行完毕, 欢迎使用.谢谢!")))
    
41.       )
    
42.     )
    
43.   (princ)
    
44.   )

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yourspace

我试了,可以驱动,很不错,但就是100的长度改成120时,结果尺寸值并非120,不知为什么,请楼主明示