\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_16_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_16_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190305120525-950119}{ys_ok10vma_h_16_bse}}}
%%(\subref{ys_ok10vma_h_16_bse}) \href{ys_ok10vma_h_16_bse}
\color{red}
\put(33.8,78.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170306190910-485130}{spot of ys_ol_OK10VMa@41}} % 20170306190910-485130 % \vs(-2836.8, 2207.7)
\put(23.8,38.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160923194508-499675}{spot of ys_ol_ok10vma@2035}} % 20160923194508-499675 % \vs(-2852.4, 2150.0)
\put(12.5,71.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141435-036020}{spot of ys_ol_ok10vma_h@29}} % 20190304141435-036020 % \vs(-2868.1, 2197.1)
\put(50.0,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141435-170874}{spot of ys_ol_ok10vma_h@16}} % 20190304141435-170874 % \vs(-2814.0, 2153.0)
%%scale 10 micro meter
\put(1,1){\line(1,0){7.0}}
\end{overpic}