摘要： clear clc t=(1/16:1/8:1)'*2*pi;%八边形顶点x1=sin(t);x1=[x1;x1(1)];y1=cos(t);y1=[y1;y1(1)]; plot(x1,y1)%漳州台八边形经纬度zz_octogan=[ x1+117.63 y1+24.43]; gmt的psxy 阅读全文