function yNew = qcWG_UnNaNcb(src,event,x,y,ua)

axes(ua);
gx = get(ua,'XLim');
gy = get(ua,'YLim');
toUnNaN=x>=gx(1) & x<=gx(2) & y>=gy(1) & y<=gy(2);
f = find(toUnNaN);
ax=gca;ax.ColorOrderIndex=1;
plot(x(f),y(f),'.');

ua.UserData(:,end+1)=toUnNaN*2;