  handles.zone{i+1}.x{1}.data = x(indxB);
0655         handles.zone{i+1}.y{1}.data = y(indxB);
0656         handles.zone{i+1}.r{1}.data = r(indxB);
0657         handles.zone{i+1}.theta{1}.data = theta(indxB);
0658         handles.zone{i+1}.vx{1}.data = vx(indxB);
0659         handles.zone{i+1}.vy{1}.data = vy(indxB);
0660         handles.zone{i+1}.v{1}.data = v(indxB);
0661         handles.zone{i+1}.vtheta{1}.data = vtheta(indxB);
0662         
0663         
0664         handles.zone{i+1}.tau{1}.data = <a h