请求调试,希望能像下面程序一样,按参数化画出型钢的顶视图、侧视图 (defun C:ibeam () ;设置值 (setq ht (getreal "\n梁的高度: ")) (setq wi (getreal "\n梁的宽度: ")) (cond ((< wi (* 0.5 ht)) (setq wi (* 0.5 ht))) ((> wi (* 0.8 ht)) (setq wi (* 0.8 ht))) ) (setq ft (getreal "\n突缘厚度: ")) (cond ((< ft (* 0.05 ht)) (setq ft (* 0.05 ht))) ((> ft (* 0.15 ht)) (setq ft (* 0.15 ht))) ) (setq wt (getreal "\n腹板厚度: ")) (cond ((< wt (* 0.1 wi)) (setq wt (* 0.1 wi))) ((> wt (* 0.2 wi)) (setq wt (* 0.2 wi))) ) (cond ((<= ht 4.0) (setq rad 0.125)) (T (setq rad 0.5)) ) (if (< ft 0.15) (setq rad (* 0.8 ft))) ; 计算梁的角点 (setq p1 (getpoint "\n左下角: ")) (setq l1 (/ (- wi wt) 2)) (setq l2 (- ht (* ft 2.0))) (setq p2 (polar p1 0 wi)) (setq p3 (polar p2 (/ pi 2.0) ft)) (setq p4 (polar p3 pi l1)) (setq p5 (polar p4 (/ pi 2.0) l2)) (setq p6 (polar p5 0 l1)) (setq p7 (polar p6 (/ pi 2.0) ft)) (setq p8 (polar p7 pi wi)) (setq p9 (polar p8 (+ pi (/ pi 2.0)) ft)) (setq p10 (polar p9 0 l1)) (setq p11 (polar p10 (+ pi (/ pi 2.0)) l2)) (setq p12 (polar p11 pi l1)) ; 绘制梁的轮廓 (command "pline" p2 p3 p4 p5 p6 p7 "") (command "fillet" "r" rad "fillet" "polyline" "L") (command "pline" p8 p9 p10 p11 p12 p1 "") (command "fillet" "polyline" "L") (command "line" p1 p2 "") (command "line" p7 p8 "") (redraw) (princ) ) |