plot1.label("dingbat 72",1.1,exp(-0.5));
plot1.label("dingbat 108",2.1,exp(-1.));
plot1.label("dingbat 115",2.1,exp(-2.));
PSplot plot2=new PSplot(pg,325.,475.,325.,475.);
plot2.clear();
plot2.setlimits(-1.2,1.2,-1.2,1.2);
plot2.frame();
plot2.scales(1.,0.5,1.,0.5);
plot2.lineplot(x2,y4);