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%% $Id: pst-coil.tex 578 2011-09-18 17:18:46Z herbert $
%% BEGIN pst-coil.tex
%%
%% Coils and zigzags with PSTricks
%% See the PSTricks User's Guide for documentation.
%% For use with the PostScript header file `pst-coil.pro'.
%%
%%
%% COPYRIGHT 1993, 1994, 1999 by Timothy Van Zandt, tvz@nwu.edu.
%% 2006-2015 Herbert Voss, hvoss@tug.org
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN
%% archives in directory macros/latex/base/lppl.txt.
%%
\message{ v\fileversion, \filedate}
\csname PSTcoilsLoaded\endcsname
\let\PSTcoilsLoaded\endinput
%
\ifx\PSTricksLoaded\endinput \else\input pstricks.tex\fi
\ifx\PSTnodeLoaded\endinput \else\input pst-node.tex\fi
\ifx\PSTXKeyLoaded\endinput \else\input pst-xkey \fi
%
\def\fileversion{1.07}
\def\filedate{2015/05/13}
%
\edef\TheAtCode{\the\catcode`\@}
\catcode`\@=11
%
\pst@addfams{pst-coil}
\pstheader{pst-coil.pro}
\edef\pst@theheaders{\pst@theheaders,pst-coil.pro}
\def\pst@CoilDict{tx@CoilDict begin }
%
\def\tx@CoilLoop {\pst@CoilDict CoilLoop end }
\def\tx@Coil {\pst@CoilDict Coil end }
\def\tx@AltCoil {\pst@CoilDict AltCoil end }
\def\tx@ZigZag {\pst@CoilDict ZigZag end }
\def\tx@ZigZagCirc{\pst@CoilDict ZigZagCirc end }
\def\tx@Sin {\pst@CoilDict Sin end }
%
\define@key[psset]{pst-coil}{coilwidth}[1cm]{\pst@getlength{#1}\psk@coilwidth}
\define@key[psset]{pst-coil}{coilheight}[1]{\pst@checknum{#1}\pscoilheight}
\define@key[psset]{pst-coil}{coilarmA}[0.5cm]{\pst@getlength{#1}\psk@coilarmA}
\define@key[psset]{pst-coil}{coilarmB}[0.5cm]{\pst@getlength{#1}\psk@coilarmB}
\define@key[psset]{pst-coil}{coilarm}[0.5cm]{%
\pst@getlength{#1}\psk@coilarmA%
\let\psk@coilarmB\psk@coilarmA}
\define@key[psset]{pst-coil}{coilaspect}[45]{\pst@getangle{#1}\psk@coilaspect}
\define@key[psset]{pst-coil}{coilinc}[10]{\pst@getangle{#1}\psk@coilinc}
%
\psset[pst-coil]{coilaspect=45,coilarm=.5cm,coilheight=1,coilwidth=1cm,coilinc=10}
%
\def\pscoil{\def\pst@par{}\pst@object{pscoil}}
\def\pscoil@i{\pst@getarrows\pscoil@ii}
\def\pscoil@ii(#1){\@ifnextchar({\pscoil@iii{1}(#1)}{\pscoil@iii{\z@}(0,0)(#1)}}
\def\pscoil@iii#1(#2)(#3){%
\begin@OpenObj
\pst@getcoor{#2}\pst@tempa
\pst@getcoor{#3}\pst@tempb
\pst@optcp{#1}\pst@tempa
\addto@pscode{%
\pst@tempa \pst@tempb
\psk@coilwidth \pscoilheight
\psk@coilarmA \psk@coilarmB
\psk@coilaspect \psk@coilinc
\tx@Coil }%
\showpointsfalse
\end@OpenObj}
%
\def\psCoil{\def\pst@par{}\pst@object{psCoil}}
\def\psCoil@i#1#2{%
\begin@AltOpenObj
\showpointsfalse
\pst@getangle{#1}\pst@tempa
\pst@getangle{#2}\pst@tempb
\addto@pscode{%
\pst@tempa
\pst@tempb
\psk@coilwidth
\pscoilheight
\psk@coilaspect
\psk@coilinc
\tx@AltCoil
\@nameuse{psls@\pslinestyle} }%
\end@OpenObj}
%
\define@key[psset]{pst-coil}{bow}[0]{%
\pst@getlength{#1}\psk@bow%
\pst@dimm=\psk@bow pt%
\pst@absdim{\pst@dimm}{\pst@dimn}%
\ifdim\pst@dimn<1pt \def\psk@bow{0}\fi}%
\psset[pst-coil]{bow=0}
%
\def\pszigzag{\def\pst@par{}\pst@object{pszigzag}}
\def\pszigzag@i{\pst@getarrows\pszigzag@ii}
\def\pszigzag@ii(#1){\@ifnextchar({\pszigzag@iii{1}(#1)}{\pszigzag@iii{\z@}(0,0)(#1)}}
\def\pszigzag@iii#1(#2)(#3){%
\addbefore@par{bow=0}%
\begin@OpenObj%
\pst@getcoor{#2}\pst@tempA%
\pst@getcoor{#3}\pst@tempB%
\pst@optcp{#1}\pst@tempA%
\addto@pscode{%
\pst@tempA
\pst@tempB
\pscoilheight
\psk@coilwidth
\psk@coilarmA
\psk@coilarmB
\ifdim\psk@bow pt=\z@ \tx@ZigZag \else \psk@bow\space \tx@ZigZagCirc \fi
\psline@iii
\tx@Line }%
\end@OpenObj}
%
\def\nccoil{\pst@object{nccoil}}
\def\nccoil@i{\check@arrow{\nccoil@ii}}
\def\nccoil@ii#1#2{\nc@object{Open}{#1}{#2}{.5}{%
\tx@NCCoor
tx@Dict begin
% DG/SR modification begin - Mar. 19, 1998 - Patch 2
4 2 roll
% DG/SR modification end
\psk@coilwidth \pscoilheight
\psk@coilarmA \psk@coilarmB
\psk@coilaspect \psk@coilinc
\tx@Coil
end }}
%
\def\pccoil{\def\pst@par{}\pst@object{pccoil}}
\def\pccoil@i{\pc@object\nccoil@ii}
%
\def\nczigzag{\pst@object{nczigzag}}
\def\nczigzag@i{\check@arrow{\nczigzag@ii}}
\def\nczigzag@ii#1#2{\nc@object{Open}{#1}{#2}{.5}{%
\tx@NCCoor
tx@Dict begin
% DG/SR modification begin - Mar. 19, 1998 - Patch 2
4 2 roll
% DG/SR modification end
\pscoilheight
\psk@coilwidth
\psk@coilarmA
\psk@coilarmB
\ifdim\psk@bow pt=\z@\tx@ZigZag\else\psk@bow\space\tx@ZigZagCirc\fi
\psline@iii
\tx@Line
end }}
%
\def\pczigzag{\def\pst@par{}\pst@object{pczigzag}}
\def\pczigzag@i{\pc@object\nczigzag@ii}
%
\def\pst@checkUnit#1#2{\expandafter\pst@checkUnit@i#1!!#2}
% 3.5 relative value \def\pst@roundValue{-1}
% 3.5mm absolute value {-1}
% *3.5mm absolute value, with real->int conversion (truncate) {0}
% **3.5mm absolute value, with real->int conversion (round) {1}
\def\pst@checkUnit@i{\@ifnextchar*%
{\def\pst@roundValue{0 }\pst@checkUnit@ii}%
{\def\pst@roundValue{-1 }\pst@checkUnit@iii**}}
\def\pst@checkUnit@ii*{\@ifnextchar*%
{\def\pst@roundValue{1 }\pst@checkUnit@iii*}%
{\pst@checkUnit@iii**}}
\def\pst@checkUnit@iii**#1!!#2{%
\edef\ps@next{#1}%
\ifx\ps@next\@empty\let\pst@num\z@%
\else\expandafter\pst@@checknum\ps@next..\@nil%
\fi%
\ifnum\pst@num=\z@\pst@getlength{#1}{#2}\def\pst@relativePeriod{false }%
\else%
\def\pst@relativePeriod{true }%
\edef#2{\ifnum\pst@num=\tw@-\fi\the\pst@cntg.%
\expandafter\@gobble\the\pst@cnth\space}%
\fi}
%
\define@key[psset]{pst-coil}{periods}[1]{\pst@checkUnit{#1}{\psk@periods}}
\define@key[psset]{pst-coil}{amplitude}[1]{\def\psk@amplitude{#1 }}
\define@key[psset]{pst-coil}{ppoints}[360]{\def\psk@ppoints{#1 }}
\define@key[psset]{pst-coil}{function}[sin]{\def\psk@function{#1 }}
\psset[pst-coil]{periods=1,amplitude=1,ppoints=360,function=sin}
%
\def\pssin{\pst@object{pssin}}
\def\pssin@i{\pst@getarrows\pssin@ii}
\def\pssin@ii(#1){\@ifnextchar({\pssin@iii{1}(#1)}{\pssin@iii{\z@}(0,0)(#1)}}
\def\pssin@iii#1(#2)(#3){%
\begin@OpenObj
\pst@getcoor{#2}\pst@tempa
\pst@getcoor{#3}\pst@tempb
\pst@optcp{#1}\pst@tempa
\addto@pscode{%
\pst@tempa \pst@tempb
\psk@periods
\pst@relativePeriod
\pst@roundValue
\psk@amplitude \pst@number\psyunit mul
\psk@coilarmA \psk@coilarmB
\psk@ppoints
{ \psk@function }
\tx@Sin
}%
\showpointsfalse%
\end@OpenObj}
%
\def\ncsin{\pst@object{ncsin}}
\def\ncsin@i{\check@arrow{\ncsin@ii}}
\def\ncsin@ii#1#2{\nc@object{Open}{#1}{#2}{.5}{%
\tx@NCCoor
tx@Dict begin
4 2 roll
\psk@periods
\pst@relativePeriod
\pst@roundValue
\psk@amplitude \pst@number\psyunit mul
\psk@coilarmA \psk@coilarmB
\psk@ppoints
{ \psk@function }
\tx@Sin
end }}
%
\def\pcsin{\def\pst@par{}\pst@object{pcsin}}
\def\pcsin@i{\pc@object\ncsin@ii}
%
%
\catcode`\@=\TheAtCode\relax
\endinput
%%
%% END pst-coil.tex