encoding  ISO8859-1
layout legendcontent
  code tex-map
    \def\nostring{}
    \def\thsizexl{}
    \def\thsizel{}
    \def\thsizem{}
    \def\thlocation{}
    \def\thlocationb{}
    \def\thlocationc{}
    \def\thpenetration{}
    \def\ththanksto{}
    \ifx\thsizexl\nostring\def\thsizexl{30}\else\fi
    \ifx\thsizel\nostring\def\thsizel{24}\else\fi
    \ifx\thsizem\nostring\def\thsizem{12}\else\fi
    \legendcontent={
      \hsize=\legendwidth
      \color[0 0 0]\the\legendtextcolor
      \edef\tmp{\the\cavename} \ifx\tmp\empty \else
        {\size[\thsizexl]\the\cavename} \vskip0.5cm
      \fi
      {\rightskip=0pt plus 3em\parskip=3bp
        \edef\tmp{\the\comment} \ifx\tmp\empty \else
        {\size[\thsizel]\si\the\comment} \par\bigskip
        \fi
        \edef\tmp{\thlocation} \ifx\tmp\empty \else
          {\size[\thsizem]\si{GPS location:} \ss\thlocation\vss}
        \fi
        \edef\tmp{\thlocationb} \ifx\tmp\empty \else
          {\size[\thsizem]\hskip7.95cm \ss\thlocationb\vss}
        \fi
        \edef\tmp{\thlocationc} \ifx\tmp\empty \else
          {\size[\thsizem]\hskip7.95cm \ss\thlocationc\vss}
        \fi
        \bigskip
        \edef\tmp{\the\cavelength} \ifx\tmp\empty \else
          {\size[\thsizem]\si\the\cavelengthtitle: \ss\the\cavelength}
        \fi
        \edef\tmp{\the\cavedepth} \ifx\tmp\empty \else
            {\size[\thsizem]\quad\si\the\cavedepthtitle: \ss\the\cavedepth\vss}
             
        \fi
        \edef\tmp{\thpenetration} \ifx\tmp\empty \else
            {\size[\thsizem]\si{p.xxx indicates penetration distance from the surface at the cavepool in meters}\vss}
        \fi
        \bigskip
        \edef\tmp{\the\topoteam} \ifx\tmp\empty \else
          {\everypar{\hangindent=5.9em\hangafter=1}
           \size[\thsizem]\si\the\topotitle: \ss\the\topoteam\quad\si\the\topodate\par}
        \fi
        \edef\tmp{\the\cartoteam} \ifx\tmp\empty \else
          {\size[\thsizem]\si\the\cartotitle: \ss\the\cartoteam\quad\size[\thsizem]{(c)}\thinspace{}\si\the\cartodate\par}
        \fi
        \bigskip
        \edef\tmp{\ththanksto} \ifx\tmp\empty \else
          \def\ththankstotitle{With thanks to: }
          {\everypar{\hangindent=7.2em\hangafter=1}
          \size[\thsizem]\si\ththankstotitle \ss\ththanksto\par}
        \fi
      }
    }
  endcode
endlayout