% \iffalse
% --------------------------------------------------------------------
%<*natoapp6c>
% \fi
% \subsubsection{`Hostile' node shapes}
%
%
%
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile air}
%
%   The hostile air command
%   
%
% Macro for hostile air shape
%
%
%    \begin{macrocode}
\def\n@to@hostile@@ir{%
  \southeast \wg@tmpa=\pgf@x\wg@tmpb=\pgf@y%
  \cntrl \wg@tmpc=\pgf@y%
  \north \wg@tmpd=\pgf@y%
  \pgfpathmoveto{\pgfqpoint{-\wg@tmpa}{\wg@tmpb}}%
  \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{\wg@tmpc}}%
  \pgfpathlineto{\pgfqpoint{ 0cm}{\wg@tmpd}}%
  \pgfpathlineto{\pgfqpoint{\wg@tmpa}{\wg@tmpc}}%
  \pgfpathlineto{\pgfqpoint{\wg@tmpa}{\wg@tmpb}}%
}
%    \end{macrocode}
% 
%
%  The hostile air command. 
%
%
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile air}{%
  \inheritsavedanchors[from=natoapp6c base]
  \savedanchor\southeast{%
    \pgf@x=\n@to@pp@r%
    \pgf@y=-\n@to@pp@r}
  \savedanchor\cntrl{%
    \pgf@x=\n@to@pp@r%
    \pgf@y=0.414\n@to@pp@r% (sqrt(2)-1)
  }
  \savedanchor\north{\pgf@x=0cm\pgf@y=1.414\n@to@pp@r}
  \anchor{south east}{\southeast}
  \anchor{south west}{\southeast\pgf@x=-\pgf@x}
  \anchor{north east}{\southeast\wg@tmpa=\pgf@x\north\pgf@x=\wg@tmpa}
  \anchor{north west}{\southeast\wg@tmpa=\pgf@x\north\pgf@x=-\wg@tmpa}
  \anchor{north}{\north}
  \anchor{east}{%
    \north\wg@tmpb\pgf@y%
    \southeast\wg@tmpc=\pgf@y\wg@tmpa=\pgf@x%
    \advance\wg@tmpb-\wg@tmpc
    \divide\wg@tmpb2%
    \advance\wg@tmpb\wg@tmpc%
    \pgf@x=\wg@tmpa%
    \pgf@y=\wg@tmpb}    
  \anchor{west}{%
    \north\wg@tmpb\pgf@y%
    \southeast\wg@tmpc=\pgf@y\wg@tmpa=\pgf@x%
    \advance\wg@tmpb-\wg@tmpc
    \divide\wg@tmpb2%
    \advance\wg@tmpb\wg@tmpc%
    \pgf@x=-\wg@tmpa%
    \pgf@y=\wg@tmpb}
  \anchor{south}{\southeast\pgf@x=0cm}
  \inheritanchor[from=natoapp6c base]{upper}
  \inheritanchor[from=natoapp6c base]{lower}
  \inheritanchor[from=natoapp6c base]{left}
  \inheritanchor[from=natoapp6c base]{right}
  \inheritanchor[from=natoapp6c base]{center}
  \backgroundpath{%
    \n@to@hostile@@ir%
  }
  \behindforegroundpath{%
    \n@to@hostile@@ir%
    \pgfusepath{stroke}%
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile land}
%
% Macro for hostile land command
%
%    \begin{macrocode}
\def\n@to@hostile@l@nd{%
  \northeast \wg@tmpa=\pgf@x\wg@tmpb=\pgf@y%
  \pgfpathmoveto{\pgfqpoint{ \wg@tmpa}{ 0cm}}%
  \pgfpathlineto{\pgfqpoint{ 0cm}{ \wg@tmpb}}%
  \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{ 0cm}}%
  \pgfpathlineto{\pgfqpoint{ 0cm}{-\wg@tmpb}}%
  \pgfclosepath}
%    \end{macrocode}
%    
%   The hostile land command.
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile land}{%
  \inheritsavedanchors[from=natoapp6c base]
  \savedanchor\northeast{%
    \pgf@x=1.414\n@to@pp@r%
    \pgf@y=1.414\n@to@pp@r}
  \anchor{north east}{\northeast}
  \anchor{north west}{\northeast\pgf@x=-\pgf@x}
  \anchor{south east}{\northeast\pgf@y=-\pgf@y}
  \anchor{south west}{\northeast\pgf@x=-\pgf@x\pgf@y=-\pgf@y}
  \anchor{north}{\northeast\pgf@x=0cm}
  \anchor{south}{\northeast\pgf@x=0cm\pgf@y=-\pgf@y}
  \anchor{east}{\northeast\pgf@y=0cm}
  \anchor{west}{\northeast\pgf@x=-\pgf@x\pgf@y=0cm}
  \inheritanchor[from=natoapp6c base]{upper}
  \inheritanchor[from=natoapp6c base]{lower}
  \inheritanchor[from=natoapp6c base]{left}
  \inheritanchor[from=natoapp6c base]{right}
  \inheritanchor[from=natoapp6c base]{center}
  \backgroundpath{%
    \n@to@hostile@l@nd%
  }
  \behindforegroundpath{%
    \n@to@hostile@l@nd%
    \pgfusepath{stroke}%
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile activity}
%
%   The hostile activity command.  Similar to land command, but with
%   boxes in the corners.
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile activity}{%
  \inheritsavedanchors[from=natoapp6c hostile land]
  \inheritanchor[from=natoapp6c hostile land]{center}
  \inheritanchor[from=natoapp6c hostile land]{inner north east}
  \inheritanchor[from=natoapp6c hostile land]{inner north west}
  \inheritanchor[from=natoapp6c hostile land]{inner south west}
  \inheritanchor[from=natoapp6c hostile land]{inner south east}
  \inheritanchor[from=natoapp6c hostile land]{north east}
  \inheritanchor[from=natoapp6c hostile land]{north west}
  \inheritanchor[from=natoapp6c hostile land]{south east}
  \inheritanchor[from=natoapp6c hostile land]{south west}
  \inheritanchor[from=natoapp6c hostile land]{north}
  \inheritanchor[from=natoapp6c hostile land]{west}
  \inheritanchor[from=natoapp6c hostile land]{east}
  \inheritanchor[from=natoapp6c hostile land]{south}
  \inheritanchor[from=natoapp6c hostile land]{upper}
  \inheritanchor[from=natoapp6c hostile land]{lower}
  \inheritanchor[from=natoapp6c hostile land]{left}
  \inheritanchor[from=natoapp6c hostile land]{right}
  \inheritanchor[from=natoapp6c hostile land]{center}
  \inheritbackgroundpath[from=natoapp6c hostile land]
  \behindforegroundpath{
    \begin{n@to@pp@stroketofill}
      \n@to@hostile@l@nd%
      \pgfusepath{stroke}
      %
      \northeast \wg@tmpb=\pgf@y%
      \wg@tmpa=0.707\n@to@pp@act@w
      \wg@tmpc=\wg@tmpb\advance\wg@tmpc-1.414\n@to@pp@act@w
      \wg@tmpd=\wg@tmpb\advance\wg@tmpd-\wg@tmpa
      %
      \pgfpathmoveto{\pgfqpoint{ \wg@tmpa}{\wg@tmpd}}%
      \pgfpathlineto{\pgfqpoint{      0cm}{\wg@tmpb}}%
      \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{\wg@tmpd}}%
      \pgfpathlineto{\pgfqpoint{      0cm}{\wg@tmpc}}%
      \pgfclosepath
      \pgfusepath{fill}%
      %
      \pgfpathmoveto{\pgfqpoint{-\wg@tmpc}{0cm}}%
      \pgfpathlineto{\pgfqpoint{-\wg@tmpd}{\wg@tmpa}}%
      \pgfpathlineto{\pgfqpoint{-\wg@tmpb}{0cm}}%
      \pgfpathlineto{\pgfqpoint{-\wg@tmpd}{-\wg@tmpa}}%
      \pgfclosepath
      \pgfusepath{fill}%
      %
      \pgfpathmoveto{\pgfqpoint{ \wg@tmpa}{-\wg@tmpd}}%
      \pgfpathlineto{\pgfqpoint{      0cm}{-\wg@tmpc}}%
      \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{-\wg@tmpd}}%
      \pgfpathlineto{\pgfqpoint{      0cm}{-\wg@tmpb}}%
      \pgfclosepath
      \pgfusepath{fill}%
      %
      \pgfpathmoveto{\pgfqpoint{\wg@tmpb}{0cm}}%
      \pgfpathlineto{\pgfqpoint{\wg@tmpd}{\wg@tmpa}}%
      \pgfpathlineto{\pgfqpoint{\wg@tmpc}{0cm}}%
      \pgfpathlineto{\pgfqpoint{\wg@tmpd}{-\wg@tmpa}}%
      \pgfclosepath
      \pgfusepath{fill}%
    \end{n@to@pp@stroketofill}
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile equipment}
%
%   The hostile equipment command.  Same as land command.
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile equipment}{%
  \inheritsavedanchors[from=natoapp6c hostile land]
  \inheritanchor[from=natoapp6c hostile land]{inner north east}
  \inheritanchor[from=natoapp6c hostile land]{inner north west}
  \inheritanchor[from=natoapp6c hostile land]{inner south west}
  \inheritanchor[from=natoapp6c hostile land]{inner south east}
  \inheritanchor[from=natoapp6c hostile land]{north east}
  \inheritanchor[from=natoapp6c hostile land]{north west}
  \inheritanchor[from=natoapp6c hostile land]{south east}
  \inheritanchor[from=natoapp6c hostile land]{south west}
  \inheritanchor[from=natoapp6c hostile land]{north}
  \inheritanchor[from=natoapp6c hostile land]{west}
  \inheritanchor[from=natoapp6c hostile land]{east}
  \inheritanchor[from=natoapp6c hostile land]{south}
  \inheritanchor[from=natoapp6c hostile land]{upper}
  \inheritanchor[from=natoapp6c hostile land]{lower}
  \inheritanchor[from=natoapp6c hostile land]{left}
  \inheritanchor[from=natoapp6c hostile land]{right}
  \inheritanchor[from=natoapp6c hostile land]{center}
  \inheritbackgroundpath[from=natoapp6c hostile land]
  \inheritbehindforegroundpath[from=natoapp6c hostile land]
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile installation}
%
%   The hostile installation command. Similar to land command, but
%   with a `hat' on top.
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile installation}{%
  \inheritsavedanchors[from=natoapp6c hostile land]
  \inheritanchor[from=natoapp6c hostile land]{center}
  \inheritanchor[from=natoapp6c hostile land]{inner north east}
  \inheritanchor[from=natoapp6c hostile land]{inner north west}
  \inheritanchor[from=natoapp6c hostile land]{inner south west}
  \inheritanchor[from=natoapp6c hostile land]{inner south east}
  \inheritanchor[from=natoapp6c hostile land]{north east}
  \inheritanchor[from=natoapp6c hostile land]{north west}
  \inheritanchor[from=natoapp6c hostile land]{south east}
  \inheritanchor[from=natoapp6c hostile land]{south west}
  \inheritanchor[from=natoapp6c hostile land]{north}
  \inheritanchor[from=natoapp6c hostile land]{west}
  \inheritanchor[from=natoapp6c hostile land]{east}
  \inheritanchor[from=natoapp6c hostile land]{south}
  \inheritanchor[from=natoapp6c hostile land]{upper}
  \inheritanchor[from=natoapp6c hostile land]{lower}
  \inheritanchor[from=natoapp6c hostile land]{left}
  \inheritanchor[from=natoapp6c hostile land]{right}
  \inheritanchor[from=natoapp6c hostile land]{center}
  \inheritbackgroundpath[from=natoapp6c hostile land]
  \behindforegroundpath{
    \begin{n@to@pp@stroketofill}
      \n@to@hostile@l@nd%
      \pgfusepath{stroke}
      %
      \northeast \wg@tmpa=\pgf@x\wg@tmpb\pgf@y%
      \wg@tmpc=\wg@tmpb
      \advance\wg@tmpc\n@to@pp@inst@h%
      \advance\wg@tmpc-0.05cm%
      %
      \pgfpathmoveto{\pgfqpoint{ \wg@tmpa}{0cm}}
      \pgfpathlineto{\pgfqpoint{ \wg@tmpa}{\wg@tmpc}}
      \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{\wg@tmpc}}
      \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{0cm}}
      \pgfpathlineto{\pgfqpoint{ 0cm}{\wg@tmpb}}
      \pgfclosepath%
      \pgfusepath{clip}
      %
      \wg@tmpd=\wg@tmpb%
      \advance\wg@tmpd-\n@to@pp@inst@h%
      %
      \pgfpathmoveto{\pgfqpoint{ \n@to@pp@inst@x}{\wg@tmpc}}%
      \pgfpathlineto{\pgfqpoint{-\n@to@pp@inst@x}{\wg@tmpc}}%
      \pgfpathlineto{\pgfqpoint{-\n@to@pp@inst@x}{\wg@tmpd}}%
      \pgfpathlineto{\pgfqpoint{ \n@to@pp@inst@x}{\wg@tmpd}}%
      \pgfclosepath
      \pgfusepath{fill}%
    \end{n@to@pp@stroketofill}
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile sea surface}
%
%   The hostile sea surface command.  Same as land command
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile sea surface}{%
  \inheritsavedanchors[from=natoapp6c hostile equipment]
  \inheritanchor[from=natoapp6c hostile equipment]{inner north east}
  \inheritanchor[from=natoapp6c hostile equipment]{inner north west}
  \inheritanchor[from=natoapp6c hostile equipment]{inner south west}
  \inheritanchor[from=natoapp6c hostile equipment]{inner south east}
  \inheritanchor[from=natoapp6c hostile equipment]{north east}
  \inheritanchor[from=natoapp6c hostile equipment]{north west}
  \inheritanchor[from=natoapp6c hostile equipment]{south east}
  \inheritanchor[from=natoapp6c hostile equipment]{south west}
  \inheritanchor[from=natoapp6c hostile equipment]{north}
  \inheritanchor[from=natoapp6c hostile equipment]{west}
  \inheritanchor[from=natoapp6c hostile equipment]{east}
  \inheritanchor[from=natoapp6c hostile equipment]{south}
  \inheritanchor[from=natoapp6c hostile equipment]{upper}
  \inheritanchor[from=natoapp6c hostile equipment]{lower}
  \inheritanchor[from=natoapp6c hostile equipment]{left}
  \inheritanchor[from=natoapp6c hostile equipment]{right}
  \inheritanchor[from=natoapp6c hostile equipment]{center}
  \inheritbackgroundpath[from=natoapp6c hostile equipment]
  \inheritbehindforegroundpath[from=natoapp6c hostile equipment]
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile space}
%
%   The hostile space command. Similar to air command, but with bar on
%   top. 
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile space}{%
  \inheritsavedanchors[from=natoapp6c hostile air]
  \inheritanchor[from=natoapp6c hostile air]{north east}
  \inheritanchor[from=natoapp6c hostile air]{north west}
  \inheritanchor[from=natoapp6c hostile air]{south east}
  \inheritanchor[from=natoapp6c hostile air]{south west}
  \inheritanchor[from=natoapp6c hostile air]{north}
  \inheritanchor[from=natoapp6c hostile air]{west}
  \inheritanchor[from=natoapp6c hostile air]{east}
  \inheritanchor[from=natoapp6c hostile air]{south}
  \inheritanchor[from=natoapp6c hostile air]{upper}
  \inheritanchor[from=natoapp6c hostile air]{lower}
  \inheritanchor[from=natoapp6c hostile air]{left}
  \inheritanchor[from=natoapp6c hostile air]{right}
  \inheritanchor[from=natoapp6c hostile air]{center}
  \inheritbackgroundpath[from=natoapp6c hostile air]
  \behindforegroundpath{%
    \begin{n@to@pp@stroketofill}
      \n@to@hostile@@ir%
      \pgfusepath{stroke,clip}%
      %
      \north\wg@tmpa=\pgf@y\wg@tmpb=\pgf@y
      \advance\wg@tmpb-\n@to@pp@space@h
      %
      \pgfpathmoveto{\pgfqpoint{ \n@to@pp@r}{\wg@tmpa}}%
      \pgfpathlineto{\pgfqpoint{-\n@to@pp@r}{\wg@tmpa}}%
      \pgfpathlineto{\pgfqpoint{-\n@to@pp@r}{\wg@tmpb}}%
      \pgfpathlineto{\pgfqpoint{ \n@to@pp@r}{\wg@tmpb}}%
      \pgfclosepath%
      \pgfusepath{fill}%
    \end{n@to@pp@stroketofill}
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
% ....................................................................
% \fi
% \begin{NatoAppFrame}{natoapp6c hostile sub surface}
%
% Macro for hostile sub surface command
%
%    \begin{macrocode}
\def\n@to@hostile@sub{%
  \northeast \wg@tmpa=\pgf@x\wg@tmpb=\pgf@y%
  \cntrl \wg@tmpc=\pgf@y%
  \south \wg@tmpd=\pgf@y%
  \pgfpathmoveto{\pgfqpoint{-\wg@tmpa}{\wg@tmpb}}%
  \pgfpathlineto{\pgfqpoint{-\wg@tmpa}{\wg@tmpc}}%
  \pgfpathlineto{\pgfqpoint{ 0cm}{\wg@tmpd}}%
  \pgfpathlineto{\pgfqpoint{\wg@tmpa}{\wg@tmpc}}%
  \pgfpathlineto{\pgfqpoint{\wg@tmpa}{\wg@tmpb}}%
}
%    \end{macrocode}
%    
%   The hostile sub surface command
%   
%    \begin{macrocode}
\pgfdeclareshape{natoapp6c hostile sub surface}{%
  \inheritsavedanchors[from=natoapp6c base]
  \savedanchor\northeast{%
    \pgf@x=\n@to@pp@r%
    \pgf@y=\n@to@pp@r}
  \savedanchor\cntrl{\pgf@x=\n@to@pp@r\pgf@y=-0.414\n@to@pp@r}
  \savedanchor\south{\pgf@x=0cm\pgf@y=-1.414\n@to@pp@r}
  \anchor{north east}{\northeast}
  \anchor{north west}{\northeast\pgf@x=-\pgf@x}
  \anchor{south east}{\northeast\wg@tmpa=\pgf@x\south\pgf@x=\wg@tmpa}
  \anchor{south west}{\northeast\wg@tmpa=\pgf@x\south\pgf@x=-\wg@tmpa}
  \anchor{south}{\south}
  \anchor{east}{
    \northeast\wg@tmpb=\pgf@y\wg@tmpa=\pgf@x%
    \south\wg@tmpc\pgf@y%
    \advance\wg@tmpb-\wg@tmpc
    \divide\wg@tmpb2%
    \advance\wg@tmpb\wg@tmpc%
    \pgf@x=\wg@tmpa%
    \pgf@y=\wg@tmpb}
  \anchor{west}{
    \northeast\wg@tmpb=\pgf@y\wg@tmpa=\pgf@x%
    \south\wg@tmpc\pgf@y%
    \advance\wg@tmpb-\wg@tmpc
    \divide\wg@tmpb2%
    \advance\wg@tmpb\wg@tmpc%
    \pgf@x=-\wg@tmpa%
    \pgf@y=\wg@tmpb}
  \anchor{north}{\northeast\pgf@x=0cm}
  \inheritanchor[from=natoapp6c base]{upper}
  \inheritanchor[from=natoapp6c base]{lower}
  \inheritanchor[from=natoapp6c base]{left}
  \inheritanchor[from=natoapp6c base]{right}
  \inheritanchor[from=natoapp6c base]{center}
  \backgroundpath{%
    \n@to@hostile@sub%
  }
  \behindforegroundpath{%
    \n@to@hostile@sub%
    \pgfusepath{stroke}%
  }
}
%    \end{macrocode}
% \end{NatoAppFrame}
% 
% \iffalse
%</natoapp6c>
% --------------------------------------------------------------------
% \fi
