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%% BEGIN pst-spectra.tex
%%
%% This extension try to deals with wavelength in optics.
%% Beginning with spectra
%%
%% COPYRIGHT 2005,2006 by Arnaud Schmittbuhl
%%
%% 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.
%%
\csname PSTwlLoaded\endcsname
\let\PSTwlLoaded\endinput
%
\def\pstwlfileversion{0.91}
\def\pstwlfiledate{2006/01/01}
\message{`pst-spectra' v\pstwlfileversion, \pstwlfiledate\space (AS)}
%
% Requires pstricks, multido, pst-xkey
\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi
\ifx\MultidoLoaded\endinput\else\input multido.tex\fi
%
%
\edef\TheAtCode{\the\catcode`\@}
\catcode`\@=11\relax
%
%%% Stolen code from LaTeX file: latex.ltx (coming from ltcntrl.dtx)
\def\@nnil{\@nil}
\def\@empty{}
\def\@fornoop#1\@@#2#3{}
\long\def\@for#1:=#2\do#3{%
\expandafter\def\expandafter\@fortmp\expandafter{#2}%
\ifx\@fortmp\@empty \else
\expandafter\@forloop#2,\@nil,\@nil\@@#1{#3}\fi}
\long\def\@forloop#1,#2,#3\@@#4#5{\def#4{#1}\ifx #4\@nnil \else
#5\def#4{#2}\ifx #4\@nnil \else#5\@iforloop #3\@@#4{#5}\fi\fi}
\long\def\@iforloop#1,#2\@@#3#4{\def#3{#1}\ifx #3\@nnil
\expandafter\@fornoop \else
#4\relax\expandafter\@iforloop\fi#2\@@#3{#4}}
%
%
%% Prologue for postscript
\pstheader{pst-spectra.pro}
%
\SpecialCoor
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% display a continuum spectrum or lines?
%% default is spectrum
\newif\ifpst@psspectrum@spectrum \pst@psspectrum@spectrumtrue
\newif\ifpst@psspectrum@lines \pst@psspectrum@linesfalse
\newif\ifpst@psspectrum@element \pst@psspectrum@elementfalse
\newif\ifpst@psspectrum@emission
\newif\ifpst@psspectrum@axe
\pst@addfams{pst-wl}
\define@key[psset]{pst-wl}{begin}{\pst@checknum{#1}\psk@psspectrum@begin}
\define@key[psset]{pst-wl}{end}{\pst@checknum{#1}\psk@psspectrum@end}
\define@key[psset]{pst-wl}{axe}[true]{\@nameuse{pst@psspectrum@axe#1}}
\define@key[psset]{pst-wl}{wlangle}{\pst@checknum{#1}\psk@psspectrum@wlangle}
\define@key[psset]{pst-wl}{axecolor}{\edef\psk@psspectrum@axecolor{#1}}
%% wlcmd must be \def, not \edef
\define@key[psset]{pst-wl}{wlcmd}{\def\psk@psspectrum@wlcmd{#1}}
\define@key[psset]{pst-wl}{axewidth}{\pst@getlength{#1}\psk@psspectrum@axewidth}
\define@key[psset]{pst-wl}{Dl}{\pst@checknum{#1}\psk@psspectrum@Dl}
\define@key[psset]{pst-wl}{brightness}{\pst@checknum{#1}\psk@psspectrum@brightness}
\define@key[psset]{pst-wl}{gamma}{\pst@checknum{#1}\psk@psspectrum@gamma}
\define@key[psset]{pst-wl}{Imin}{\pst@checknum{#1}\psk@psspectrum@UserImin}
\define@key[psset]{pst-wl}{element}{\pst@psspectrum@elementtrue\edef\psk@psspectrum@element{#1}}
\define@key[psset]{pst-wl}{lines}{\pst@psspectrum@linestrue\edef\psk@psspectrum@lines{#1}}
\define@key[psset]{pst-wl}{emission}[true]{\@nameuse{pst@psspectrum@emission#1}}
\def\@temp@wl@ii{true}%
\define@key[psset]{pst-wl}{absorption}[true]%
{\def\@temp@wl@i{#1}%
\ifx\@temp@wl@i\@temp@wl@ii\@nameuse{pst@psspectrum@emissionfalse}%
\else\@nameuse{pst@psspectrum@emissiontrue}%
\fi}
\define@key[psset]{pst-wl}{lwidth}{\pst@getlength{#1}\psk@psspectrum@lwidth}
\define@key[psset]{pst-wl}{numlines}{\pst@getint{#1}\psk@psspectrum@numlines}
%\define@key[psset]{pst-wl}{showlines}{\edef\psk@psspectrum@showlines{#1}}
%\define@key[psset]{pst-wl}{redshift}{\pst@checknum{#1}\psk@psspectrum@redshift}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% default values
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\psset{begin=380, end=780, numlines=250, brightness=1, gamma=0.8, lwidth=0.02
,emission=true
,axe=false, Dl=20, wlangle=0, axecolor=black, axewidth=0.05
,wlcmd={\small\sffamily\bfseries}
,Imin=0}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% code
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Scan the name of the element to know if it is a neutral element or a cation
% and to get the number of charge
% output : \element@name and \element@charge
\def\analyse@elt#1{%
\def\analyse@elt@arg{#1}%
\ifx\analyse@elt@arg\empty%
\else\analyse@elt@b#1\empty\empty\empty\analyse@elt@e%
\fi}
\def\analyse@elt@b#1#2#3#4\analyse@elt@e{%
\gdef\element@name{}%
\gdef\element@charge{}%
\ifx#4\empty%
\ifx#3\empty%
\ifx#2\empty%
% One letter element
\gdef\element@name{#1}%
\gdef\element@charge{-2}%
\else%
\ifx0#2%
% Neutral one letter element
\gdef\element@name{#1}%
\gdef\element@charge{0}%
\else\ifx+#2%
% One letter single ionized element
\gdef\element@name{#1}%
\gdef\element@charge{1}%
\else \ifcat#2z%
% Two letters element
\gdef\element@name{#1#2}%
\gdef\element@charge{-2}%
\else % Problem
\@pstrickserr{Bad element or cation name: #1#2}\@ehpa
\fi%
\fi%
\fi%
\fi%
\else%
\ifx0#3%
% Neutral two letters element
\gdef\element@name{#1#2}%
\gdef\element@charge{0}%
\else\ifx+#3\ifcat#2z%
% Two letter single ionized element
\gdef\element@name{#1#2}%
\gdef\element@charge{1}%
\else%
% One letter multiple ionized element
\gdef\element@name{#1}%
\gdef\element@charge{#2}%
\fi%
\else% Problem
\@pstrickserr{Bad element or cation name: #1#2#3}\@ehpa
\fi%
\fi%
\fi%
\else%
\ifx+#4%
%\ifcat1#3% <-- does not always work as expected
% Multiple ionized two letters element
\gdef\element@name{#1#2}%
\gdef\element@charge{#3}%
% \else% Problem
% \fi%
\else% Problem
\@pstrickserr{Bad element or cation name: #1#2#3#4}\@ehpa
\fi%
\fi%
\ignorespaces}
\newdimen\pstwl@DeltaX
\newdimen\pstwl@DeltaL
\def\pst@wl@getint#1.#2\endpst@wl@getint{\def\psk@wl@int{#1}}
%% \psspectrum
\def\psspectrum{\def\pst@par{}\pst@object{psspectrum}}
\def\psspectrum@i{%
\@ifnextchar({\psspectrum@ii}{\psspectrum@iii(0,0)(12,1.5)}}
\def\psspectrum@ii(#1){%
\@ifnextchar({\psspectrum@iii(#1)}{\psspectrum@iii(0,0)(#1)}}
\def\psspectrum@iii(#1,#2)(#3,#4){{%
\begin@SpecialObj
\use@par% Really needed ?
\pssetxlength\pst@dima{#1}
\pssetylength\pst@dimb{#2}
\pssetxlength\pst@dimc{#3}
\pssetylength\pst@dimd{#4}
\pst@getcoor{#1,#2}\pst@tempa% coordinate in pst@tempa
\pst@@getcoor{#3,#4}% coordinate in pst@coor
%% emission spectrum
\ifpst@psspectrum@emission% emission is true
%% ...with lines
\ifpst@psspectrum@lines% drawing user lines
\pst@psspectrum@spectrumfalse\pst@psspectrum@linesfalse
\@for\lines@loop:=\psk@psspectrum@lines\do{%
\addto@pscode{[[\lines@loop\space 0 -2]] 1
\psk@psspectrum@UserImin -2
\psk@psspectrum@lwidth
\pst@tempa \pst@coor
\psk@psspectrum@gamma \psk@psspectrum@brightness
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@rays end}%
}%
\fi
%% ...with element
\ifpst@psspectrum@element% drawing lines of elements
\pst@psspectrum@spectrumfalse\pst@psspectrum@elementfalse
\@for\element@loop:=\psk@psspectrum@element\do{%
\expandafter\analyse@elt\expandafter{\element@loop}
\addto@pscode{tx@PstWLDict begin wl@elt@\element@name\space end
\psk@psspectrum@UserImin \element@charge\space
\psk@psspectrum@lwidth
\pst@tempa \pst@coor
\psk@psspectrum@gamma \psk@psspectrum@brightness
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@rays end}%
}%
\fi
\ifpst@psspectrum@spectrum% drawing a spectrum
\addto@pscode{\pst@tempa \pst@coor \psk@psspectrum@gamma
\psk@psspectrum@brightness \psk@psspectrum@numlines
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@psspectrum end}%
\fi
%% absorption spectrum
\else% emission is false, then draw a spectrum and set brightness to 0
\addto@pscode{\pst@tempa \pst@coor \psk@psspectrum@gamma
\psk@psspectrum@brightness \psk@psspectrum@numlines
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@psspectrum end}%
\pst@checknum{0}\psk@psspectrum@brightness%
\ifpst@psspectrum@lines% absorption lines
\pst@psspectrum@linesfalse
\@for\lines@loop:=\psk@psspectrum@lines\do{%
\addto@pscode{[[\lines@loop\space 0 -2]] 1
\psk@psspectrum@UserImin -2
\psk@psspectrum@lwidth
\pst@tempa \pst@coor
\psk@psspectrum@gamma \psk@psspectrum@brightness
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@rays end}%
}%
\fi
\ifpst@psspectrum@element% absorption element
\pst@psspectrum@elementfalse
\@for\element@loop:=\psk@psspectrum@element\do{%
\expandafter\analyse@elt\expandafter{\element@loop}
\addto@pscode{tx@PstWLDict begin wl@elt@\element@name\space end
\psk@psspectrum@UserImin \element@charge\space
\psk@psspectrum@lwidth
\pst@tempa \pst@coor
\psk@psspectrum@gamma \psk@psspectrum@brightness
\psk@psspectrum@end \psk@psspectrum@begin
tx@PstWLDict begin tx@rays end}%
}%
\fi
\fi
\ifpst@psspectrum@axe
%% Calcul the number of ticks
%% (LambdaEnd - LambdaBegin) / DL
\pst@dimg=\z@
\advance\pst@dimg by \psk@psspectrum@end\p@
\advance\pst@dimg by -\psk@psspectrum@begin\p@
\ifnum\pst@dimg>0
\advance\pst@dimg by \psk@psspectrum@Dl\p@
\else
\advance\pst@dimg by -\psk@psspectrum@Dl\p@
\fi
\pst@divide{\pst@dimg}{\psk@psspectrum@Dl\p@}\real@numofticks
%% integer number of ticks is stored in \psk@wl@int
\expandafter\pst@wl@getint\real@numofticks\endpst@wl@getint
%% Calcul the difference between the wavelengths
\pstwl@DeltaL=\z@
\advance\pstwl@DeltaL by \psk@psspectrum@end\p@
\advance\pstwl@DeltaL by -\psk@psspectrum@begin\p@
%% Calcul the difference between the x-coordinate
\pstwl@DeltaX=\z@
\advance\pstwl@DeltaX by \pst@dimc% in pt
\advance\pstwl@DeltaX by -\pst@dima% in pt
%% Calcul dx
\pst@divide{\pstwl@DeltaX}{\the\psxunit}\pst@tempa
\pst@divide{\pstwl@DeltaL}{\pst@tempa\p@}\pst@tempb
\pst@divide{\psk@psspectrum@Dl\p@}{\pst@tempb\p@}\dx%
\ifdim\pst@dimd>\pst@dimb
\def\pst@wl@angle{-90}%
\def\pst@wl@signe{-1\space}%
\else
\def\pst@wl@angle{90}%
\def\pst@wl@signe{1\space}%
\fi
\pst@divide{\psk@psspectrum@axewidth\p@}{28.4526\p@}\pst@tempa
\psline[linewidth=\pst@tempa,linecolor=\psk@psspectrum@axecolor,arrows=c-c]
(\pst@dima,\pst@dimb)(\pst@dimc,\pst@dimb)
\edef\pst@tempb{\pst@number\pst@dima}%
\pst@divide{\pst@tempb\p@}{\the\psxunit}\pst@tempa
\multido{\nL=\psk@psspectrum@begin+\psk@psspectrum@Dl,\rx=\pst@tempa+\dx}
{\psk@wl@int}%
{\psline[linecolor=\psk@psspectrum@axecolor]
(!\rx\space % rx in cm
\pst@number\pst@dimb \pst@number\psyunit div) % in pt !
(!\rx\space
\pst@number\pst@dimb \pst@number\psyunit div
0.2 \pst@wl@signe mul add)
\uput{0.3}[\pst@wl@angle]
(!\rx\space
\pst@number\pst@dimb \pst@number\psyunit div
0.1 \pst@wl@signe mul add)
{\rput{\psk@psspectrum@wlangle}{\psk@psspectrum@wlcmd\nL}}}%
\fi
\pst@psspectrum@spectrumtrue
\end@SpecialObj
}}%
\catcode`\@=\PstAtCode\relax
\endinput
%% END pst-spectra.tex
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
