(0,-0.9, text1)
end
if exist('text2','var')
  text(0,-1.1, text2)
end

set(gca,'DataAspectRatio',[1 1 1],'XLim',[xmin xmax],'YLim',[-2*l 2*l]);
axis off
drawnow;
##### SOURCE END #####
--></body></html>