sFile=input('What watch circle file do you want to plot?:  ','s');
eval(['!cp',' ',sFile,' /tmp/wc.dat']);
load /tmp/wc.dat
vX=wc(:,1);
vY=wc(:,2);
plot(vX,vY,'r.');
axis([-25 25 -25 25]);
grid on;
ylabel('meters');
xlabel('meters');

