标注标高(1位小数)

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(defun C:BG1 ()    ;标注标高(1位小数)
    (setq OSN (getvar "osmode"))
    (setq ZL (getstring "\n 给出标高的方向(向左为/,向右为*)"))
    (while (setq PT1 (getpoint "\n 给出标高标注位置点"))
 (setq F (nth 1 PT1))
 (setq CJSF (rtos F 2 1))
 (setq TZ (substr ZL 1 1)
       CD (- 8 1)
       BL (/ (* (getvar "dimtxt") (getvar "dimscale")) 0.25)
 )
 (if (and (/= TZ "*") (/= TZ "/"))
     (princ "标注内容有误")
     (progn
  (if (= TZ "*")
      (setq FH 1)
      (setq FH -1)
  )
  (setq PT0 (polar PT1 0 (* BL FH 0.05))
        PT1 (polar PT1 0 (* BL FH 0.18))
        PT2 (polar PT1 0 (* BL FH 0.25))
        PT3 (polar PT2 0 (* BL FH CD 0.075))
        PT6 (polar PT2 0 (* BL FH CD 0.15))
        PT4 (polar PT1 (/ pi 3) (* BL 0.2))
        PT5 (polar PT1 (/ pi 1.5) (* BL 0.2))
  )
  (setvar "osmode" 0)
  (command "pline"
    PT1
    "w"
    "0"
    "0"
    PT4
    PT5
    "c"
    "line"
    PT0
    PT6
    ""
    "text"
    "j"
    "c"
    (polar PT3 (/ pi 2) (* BL 0.05))
    (* BL 0.3)
    "0"
    CJSF
  )
  (setvar "osmode" OSN)
     )
 )
    )
    (command "redraw")
    (princ)
)