\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_57_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_57_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307103953-625349}{ys_ok10vma_h_57_bse}}}
%%(\subref{ys_ok10vma_h_57_bse}) \href{ys_ok10vma_h_57_bse}
\color{red}
\put(9.9,43.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161018201033-010858}{spot of ys_chr_ok10vma@3169}} % 20161018201033-010858 % \vs(7216.3, -3232.4)
\put(62.3,8.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170908193056-516084}{spot of ys_chr_OK10VMa@21}} % 20170908193056-516084 % \vs(7294.2, -3285.5)
\put(51.7,15.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170901192918-188085}{spot of ys_ab_OK10VMa@23}} % 20170901192918-188085 % \vs(7278.4, -3274.1)
\put(50.0,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141438-122820}{spot of ys_pl_ok10vma_h@57}} % 20190304141438-122820 % \vs(7276.0, -3238.0)
%%scale 10 micro meter
\put(1,1){\line(1,0){7.0}}
\end{overpic}