求助懂得CAD的人员
来源:百度知道 编辑:UC知道 时间:2024/05/21 12:36:21
有谁知道在CAD画图中怎么样画箭头啊?命令是什么?
启动LE命令,然后在两个不同的位置各点一下,再按ESC健退出即可
先输dim,然后再输入L就OK啦
_qleader 然后(enter) ,可编辑箭头的形状.
、首先拷贝下列lisp程序,用ar为名以记事本格式保存,然后改后缀名为.lsp,作为一个lisp程序文件;程序如下:
(defun ureal (bit kwd msg def / inp)
(if def
(setq msg (strcat "\n" msg "<" (rtos def) ">: ")
bit (* 2 (fix (/ bit 2)))
)
(if (= " " (substr msg (strlen msg) 1))
(setq msg (strcat "\n" (substr msg 1 (1- (strlen msg))) ": "))
(setq msg (strcat "\n" msg ": "))
)
)
(initget bit kwd)
(setq inp (getreal msg))
(if inp inp def)
)
(defun upoint (bit kwd msg def bpt / inp)
(if def
(setq pts (strcat
(rtos (car def))
","
(rtos (cadr def))
(if
(and (caddr def) (= 0 (getvar &