动生成既有真实感图形的生成和物体间的干涉检验。产品设计、分析和制造工序中的所需要的关于物体的几何描述方面的数据可从实体模型中获得。(command"zoom""all")(setvar"ltscale"5)(setqpt(getpoint"\n输入基点p0:"))(setqL(getdist"\n宽L:"))(setqh(getdist"\n平移h:"))(setqp1(polarpt0(/L2)))(setqp2(polarp1(/pi2)(/L2)))(setqp3(polarp2piL))(setqp4(polarp3(*1.5pi)L))(setqp5(polarp40L))(setqp6(polarp1pih))(setqp7(polarp6(/pi2)(-(/L2)h)))(setqp8(polarp7pi(-L(*h2))))(setqp9(polarp8(*1.5pi)(-L(*2h))))(setqp10(polarp90(-L(*2h))))(setqpt1(polarpt(*1.5pi)(+(/L2)3)))(setqpt2(polarp1pi(/h2)))(setvar"lwdisplay"1)(command"layer""m""a""c"7"""lw"0.3"""s""a""")(command"line"p2p3"")(command"line"p3p4"")(command"line"p4p5"")(command"line"p5p2"")(command"line"p10p7"")(command"line"p7p8"")(command"line"p8p9"")(command"line"p9p10"")(command"dimlinear"p4p5"h"pt1)(command"dimlinear"p1p6"h"pt2)(princ))
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