 = 0; vx(stops_indx) = 0; vy(stops_indx) = 0; vtheta = atan2(vy,vx);
0289     
0290     
0291     handles.zone{i}.seg_label = seg_names;
0292     handles.zone{i}.t{2}.data = t(stops_indx);
0293     handles.zone{i}.x{2}.data = x(stops_indx);
0294     handles.zone{i}.y{2}.data = y(stops_indx);    
0295     handles.zone{i}.r{2}.data = r(stops_indx);    
0296     handles.zone{i}.theta{2}.data = theta(stops_indx);    
0297     handles.zone{i}.vx{2}.data = vx(stops_indx);    
0298     handles.zone{i}.vy{2}.data =