注记比高点
(defun c:bgd( / pzx xzp) ;注记比高点
(vl-load-com) ;将 Visual LISP 扩展功能加载到 AutoLISP
(regapp "SOUTH")
(setq blc (getint "\n请输入比例尺1:"))
(setvar 'userr1 blc);设置比例尺
(setq scale (* 0.001 blc));缩放比例
;;;by Gu_xl
(defun gxl-cs:gcd (inspt height scale / pt blkdef obj);展高程点函数(inspt:插入点,heitht:高程值,scale:缩放比例,xsws:高程注记位数)
(setvar "CMDECHO" 0)
(command "layer" "m" "GCD" "c" "1" "" "L" "CONTINUOUS" """")
(if height
(setq height (rtos height 2 3));3为高程注记位数
(setq height "")
)
(regapp "SOUTH")
;;;检查字体 "HZ" 是否存在
(if (not (tblobjname "style" "HZ"))
(command "style" "HZ" "rs.shx,hztxt.shx" 0 1 0 "" "" "")
)
;;;检查是否存在高程点图块定义
(if (not (tblobjname "block" "GC200"))
(progn
(setq blkdef (vla-Add (vla-get-Blocks (vla-get-ActiveDocument (vlax-get-acad-object))) (vlax-3D-point '(0 0 0)) "GC200"))
(setq obj
(vla-AddPolyline
blkdef
(vlax-make-variant
(vlax-safearray-fill
(vlax-make-safearray vlax-vbdouble (cons 0 5))
'(-0.2 0 0 0.2 0 0)
)
)
)
)
(vla-SetBulge obj 0 1) (vla-SetBulge obj 1 1)
(vla-put-Closed obj :vlax-true)
(vla-put-ConstantWidth obj 0.4)
)
)
;;;插入块
(entmake (list
'(0 . "INSERT")
'(100 . "AcDbEntity")
'(100 . "AcDbBlockReference")
'(66 . 1);;;属性跟随标志,1跟随，0不跟随
(cons 2 "GC200")
(cons 10 inspt)
(cons 41 scale)
(cons 42 scale)
(cons 43 scale)
(list -3 '("SOUTH" (1000 . "202101")))
)
)
;;;插入属性
(entmake (list
'(0 . "ATTRIB")
'(100 . "AcDbEntity")
'(100 . "AcDbText")
(cons 10 (setq pt (polar inspt 0 (* 1.2 scale))))
(cons 40 (* 2.0 scale))
(cons 50 0)
(cons 41 0.8)
(cons 51 0)
(cons 1 height)
(cons 7 "HZ")
(cons 72 0)
(cons 11 pt)
'(100 . "AcDbAttribute")
(cons 2 "height")
(cons 700)
(cons 74 2)
)
)
;;;结束标志
(entmake '((0 . "SEQEND")))
(princ)
)
(setq pzx (nth 3 (assoc 10(entget (car (entsel ))))))
(setq xzp (nth 3 (assoc 10(entget (car (entsel ))))))
(gxl-cs:gcd (getpoint) (- pzx xzp) scale)
) 实用，好东西谢谢 学习了 。 谢谢分享
试用了一下，是根据坎上下的高差计算出比高点的注记值
其实一般到分米位即可
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