谁能帮我弄明白下面代码
大概意思也行
最好可以翻译成Java语句
谢谢拉!~~~
;ht.lsp 2002.2.16
;************ 定义画图子程序ht.lsp ***************
(defun ht(ff sca ld1 ld2 ld2s ld2x ld3 ld3s ld3x ld4 ld5 ld6 ld7 lr1
lh1 lh2 lh3 lh4 dj n rd1 rd2 rh1 rh1s rh1x rv1 rv1s rv1x
ccd ccd1 ccd2 ccd3) ;定义画图子程序
;******************画左视图***********************
(setq sld1(* ld1 sca)
sld2(* ld2 sca)
sld3(* ld3 sca)
sld4(* ld4 sca)
sld5(* ld5 sca)
sld6(* ld6 sca)
sld7(* ld7 sca)
slr1(* lr1 sca)
slh1(* lh1 sca)
slh2(* lh2 sca)
slh3(* lh3 sca)
slh4(* lh4 sca)
sdj(* dj sca)
srd1(* rd1 sca)
srd2(* rd2 sca)
srh1(* rh1 sca)
srv1(* rv1 sca)
);读入的原始数据乘以制图比例，得到图纸真实尺寸.
(setq lpt1 '(120 185) ;定义标准参点lpt1
lpt2 (polar lpt1 (* pi 0.5)(+ (/ sld3 2.0) sdj))
lpt3 (polar lpt1 (* pi 0.5)(/ sld4 2.0))
lpt4 (polar lpt3 pi slh3)
lpt5a (polar lpt4 (* pi 0.5)(- (/ sld5 2.0)(/ sld4 2.0)))
lpt5 (polar lpt5a (* pi 1.5)(/ sld7 2.0))
lpt6 (polar lpt5a (* pi 0.5)(/ sld7 2.0))
lpt7 (polar lpt4 (* pi 0.5)(- (/ sld6 2.0)(/ sld4 2.0)))
lpt8 (polar lpt7 pi slh2)
lpt9 (polar lpt6 pi slh2)
lpt10a (polar lpt5a pi slh2)
lpt10 (polar lpt5 pi slh2)
lpt11 (polar lpt8 (* pi 1.5) (- (/ sld6 2.0)(/ sld2 2.0)))
lpt11a (polar lpt11 pi slh1)
lpt12 (list (- (car lpt1) slh4) (+ (cadr lpt1)(/ sld1 2.0)))
lpt2a (list (- (car lpt2) sdj) (- (cadr lpt2) sdj))
lpt1a (list (- (car lpt1) sdj) (cadr lpt1))
lpt13 (list (car lpt12) (cadr lpt2))
lpt14 (list (car lpt12) (cadr lpt1))
lpt13a (list (+ (car lpt13) sdj) (- (cadr lpt2) sdj))
lpt14a (list (+ (car lpt14) sdj) (cadr lpt14))
l1 (/ (- sld2 sld1) 2.0)
l2 (- slh4 slh1 slh2 slh3)
l3 (+ (* l1 l1)(* l2 l2))
a (* 4 l3)
b (* 4 l2 l3)
c1 (* 4 l1 l1 slr1 slr1)
c (- (* l3 l3) c1)
xf (sqrt (- (* b b)(* 4 a c)))
xm (+ b xf)
x (/ xm 2.0 a)
y (sqrt (- (* slr1 slr1)(* x x)))
lpt12a (list (- (car lpt11a) x)(- (cadr lpt11a) y))
)
(command "pline" lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9
lpt10a lpt10 lpt11 lpt11a "")
(command "pline" lpt2 lpt2a lpt1a "")
(command "arc" lpt12 "c" lpt12a lpt11a);画弧 起点 圆心lpt12a 终点.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑 (缺省选择前一命所
;画线) "l"线型生成 "y"是否转换为多义线 "w"线宽度 宽度值 ""退出.
(command "pline" lpt12 lpt13 lpt14 "")
(command "pline" lpt13 lpt13a lpt14a "")
(command "pline" lpt2a lpt13a "")
(command "pline" lpt6 lpt9 "")
(command "pline" lpt5 lpt10 "")
(command "pline" lpt13a lpt13 lpt12 "a" "ce" lpt12a lpt11a "l"
lpt11 lpt10 lpt5 lpt4 lpt3 lpt2 lpt2a lpt13a "");有圆弧.
(setq pline1 (entlast));将最近的一个实体定义为plin1.
(command "pline" lpt6 lpt7 lpt8 lpt9 lpt6 "")
(setq pline2 (entlast));将最近的一个实体定义为plin2.
(command "layer" "s" 8 "");设置当前层为层8:青(蓝绿)，默认连续线.
(command "hatch" "ansi31" 1.25 0 pline1 pline2 "")
;画剖面线 图案名 比例 角度 选择对象 实体1 实体2.
(command "layer" "s" 1 "");设置当前层为层1:白，默认连续线.
(setq lx1 (polar lpt3 (* pi 1.5) sld4)
lx2 (polar lpt4 (* pi 1.5) sld4)
lx3 (polar lpt1 pi slh3)
lx4 (polar lpt7 (* pi 1.5) sld6)
lx5 (polar lpt8 (* pi 1.5) sld6)
lx6 (polar lpt11 (* pi 1.5) sld2)
lx7 (polar lpt11a (* pi 1.5) sld2)
lx11 (polar lx3 pi slh2)
lx8 (polar lx11 pi slh1)
lx10 (list (- (car lpt1) slh4)(- (cadr lpt1)(/ sld1 2.0)))
lx9 (list (- (car lx7) x)(+ (cadr lx7)y))
)
(command "arc" lx7 "c" lx9 lx10);以lx9为圆心.
(command "pedit" "l" "y" "w" 0.5 "")
;多义线编辑：将上述圆弧从无宽度的实线编辑为0.5(mm)的实线.
(command "pline" lpt1 lx1 lx2 "")
(command "pline" lx3 lx4 lx5 lx11 "")
(command "pline" lx6 lx7 lx8 "")
(command "pline" lx10 lpt14 "")
(command "layer" "s" 4 "");设置当前层为层1:红，中心线.
(command "line" (polar lpt5a 0 5)(polar lpt10a pi 5) "");上中心线.
(command "line" (polar lpt1 0 5)(polar lpt14 pi 5) "");中间中心线.
(command "line" (polar (polar lpt5a 0 5)(* pi 1.5) sld5)
(polar (polar lpt10a pi 5)(* pi 1.5) sld5) "");下中心线.|;
;******************画右视图***********************
(command "layer" "s" 4 "");设置当前层为层1:红，中心线.
(setq rpt1 '(270 185);定义标准参点rpt1--圆心.
rpt1z (polar rpt1 pi (/ sld6 2.0))
rpt1y (polar rpt1 0 (/ sld6 2.0))
rpt1s (polar rpt1 (* pi 0.5) (/ sld6 2.0))
rpt1x (polar rpt1 (* pi 1.5) (/ sld6 2.0))
rpt2z (polar rpt1 pi (/ sld2 2.0))
rpt2y (polar rpt1 0 (/ sld2 2.0))
rpt3z (polar rpt1 pi (/ sld1 2.0))
rpt3y (polar rpt1 0 (/ sld1 2.0))
rx1z (polar rpt1 pi (/ sld5 2.0))
rx1y (polar rpt1 0 (/ sld5 2.0))
rx2z (polar rpt1 pi (/ srd1 2.0))
rx2y (polar rpt1 0 (/ srd1 2.0))
rx3 (polar rpt1 (* pi (/ 8.0 n))(+ (/ sld6 2.0) 5))
)
(command "arc" rx1z "c" rpt1 rx1y);下半大圆中心线.
(command "arc" rx1y "c" rpt1 rx1z);上半大圆中心线.
(command "arc" rx2z "c" rpt1 rx2y);下半小圆中心线.
(command "arc" rx2y "c" rpt1 rx2z);上半小圆中心线.
(command "line" (list (car rpt1s)(+ (cadr rpt1s) 5))
(list (car rpt1x)(- (cadr rpt1x) 5)) "");垂直中心线.
(command "line" (list (- (car rpt1z) 5)(cadr rpt1z))
(list (+ (car rpt1y) 5)(cadr rpt1y)) "");水平中心线.
(command "line" rpt1 rx3 "")
(command "layer" "s" 1 "");设置当前层为层1:白，默认连续线.
(command "arc" rpt1z "c" rpt1 rpt1y);下半大圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑：将上述圆弧从无宽度
;的实线编辑为0.5(mm)的实线.
(command "arc" rpt1y "c" rpt1 rpt1z);上半大圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" rpt2z "c" rpt1 rpt2y);下半中圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" rpt2y "c" rpt1 rpt2z);上半中圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" rpt3z "c" rpt1 rpt3y);下半小圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" rpt3y "c" rpt1 rpt3z);上半小圆.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(setq h1(/ sld3 2.0)
h2(+ h1 sdj)
h3(/ srh1 2.0)
v1(sqrt (- (* h1 h1)(* h3 h3)))
v2(sqrt (- (* h2 h2)(* h3 h3)))
v3(- srv1 (/ sld3 2.0))
rg1(list (- (car rpt1) h3)(- (cadr rpt1) v1))
rg2(list (+ (car rpt1) h3)(- (cadr rpt1) v1))
rg3(list (- (car rpt1) h3)(- (cadr rpt1) v2))
rg4(list (+ (car rpt1) h3)(- (cadr rpt1) v2))
rg5(list (- (car rpt1) h3)(- (cadr rpt1) v3))
rg6(list (+ (car rpt1) h3)(- (cadr rpt1) v3))
)
(command "arc" rg2 "c" rpt1 rg1);轴孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" rg4 "c" rpt1 rg3);轴孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "pline" rg1 rg5 rg6 rg2 "");键槽
(setq count 0);计数器.
(repeat n;画12个螺栓孔.
(setq count (+ count 1.0))
(setq t(* 2.0 (/ count n)))
(setq prc(polar rpt1 (* pi t)(/ sld5 2.0)));count*2π/n度的圆心坐标
(setq prc1(polar prc (* pi t)(/ sld7 2.0)))
(setq prc2(polar prc (+ pi (* pi t))(/ sld7 2.0)))
(setq prc3(polar prc1 (* pi t)2))
(setq prc4(polar prc2 (+ pi (* pi t)) 2))
(command "arc" prc1 "c" prc prc2);半圆螺栓孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" prc2 "c" prc prc1);半圆螺栓孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "layer" "s" 4 "");设置当前层为层1:红，中心线.
(command "line" prc3 prc4 "")
(command "layer" "s" 1 "");设置当前层为层1:白，默认连续线.
)|;
(setq r(* srd2 0.5 0.70);r--rx2z和rx2y螺栓内半径.
l1(polar rx2z pi r)
l2(polar rx2z 0 r)
l3(polar rx2z pi (* srd2 0.5))
l4(polar rx2z (* pi 1.5)(* srd2 0.5))
l5(polar rx2y pi r)
l6(polar rx2y 0 r)
l7(polar rx2y pi (* srd2 0.5))
l8(polar rx2y (* pi 1.5)(* srd2 0.5))
)
(command "arc" l1 "c" rx2z l2);下半圆左工艺孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" l2 "c" rx2z l1);上半圆左工艺孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" l5 "c" rx2y l6);下半圆右工艺孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" l6 "c" rx2y l5);上半圆右工艺孔.
(command "pedit" "l" "y" "w" 0.5 "");多义线编辑.
(command "arc" l4 "c" rx2z l3);左工艺孔螺纹线.
(command "arc" l8 "c" rx2y l7);右工艺孔螺纹线.
);defun ht
