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%% symbol library for TikZ track schematics
%
% Copyright (c) 2018 - 2020, Martin Scheidt (ISC license)
%
% Permission to use, copy, modify, and/or distribute this file for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
%
\ProvidesFileRCS{tikzlibrarytrackschematic.messures.code.tex}%
%
%%%%%%%%%%%%%%%
% global settings
%%%%%%%%%%%%%%%
\RequirePackage{tikz,etoolbox,lmodern}%
\usetikzlibrary{calc,intersections,arrows.meta}%
%
% https://tex.stackexchange.com/questions/56353/extract-x-y-coordinate-of-an-arbitrary-point-on-curve-in-tikz
\providecommand{\gettikzxy}[3]{%
\tikz@scan@one@point\pgfutil@firstofone#1\relax%
\edef#2{\the\pgf@x}%
\edef#3{\the\pgf@y}%
}%
%
%%%%%%%%%%%%%%%
% tikz keys for multiple use
%%%%%%%%%%%%%%%
\ifdeflength{\objectlength}{}{% Not defined, so define it!
\newlength{\objectlength}%
}%
\setlength{\objectlength}{4cm}%
%
\pgfkeys{%
/tikz/trackschematic/.is family,%
/tikz/trackschematic/.cd,%
%% color foreground
foreground/.store in=\foreground,%
foreground=black,% DEFAULT
/tikz/foreground/.forward to=/tikz/trackschematic/foreground,%
%% color background
background/.store in=\background,%
background=white,% DEFAULT
/tikz/background/.forward to=/tikz/trackschematic/background,%
%% face
face/.value required,% forward, backward OR bidirectional
face/.store in=\face,% forward, backward OR bidirectional
/tikz/face/.forward to=/tikz/trackschematic/face,%
/tikz/forward/.code={\pgfkeys{/tikz/trackschematic/face=forward}},%
/tikz/backward/.code={\pgfkeys{/tikz/trackschematic/face=backward}},%
/tikz/bidirectional/.code={\pgfkeys{/tikz/trackschematic/face=bidirectional}},%
%% length
length/.store in=\objectlength,% default length 4cm
/tikz/length/.forward to=/tikz/trackschematic/length,%
%% traffic practice
traffic practice/.value required,% left OR right
traffic practice/.store in=\trafficpractice,%
/tikz/traffic practice/.forward to=/tikz/trackschematic/traffic practice,%
/tikz/position/.forward to=/tikz/trackschematic/traffic practice,%
%% label
shift label/.store in=\labelcoord,% (coord)
shift label=(none),% DEFAULT
/tikz/shift label/.forward to=/tikz/trackschematic/shift label,%
}%
\tikzset{traffic practice=right}%
%
% tikz keys
\pgfkeys{%
/tikz/trackschematic/messures/.is family,%
/tikz/trackschematic/messures/.cd,%
%% color hectometer
color/.store in=\hectometercolor,%
color=\foreground!50!\background,% DEFAULT
/tikz/hectometer color/.forward to=/tikz/trackschematic/messures/color,%
}%
%%%%%%%%%%%%%%%%
% symbol train berth
%%%%%%%%%%%%%%%
%% command
\newcommand\berth{}% just for safety
\def\berth[#1]#2(#3)#4(#5){% \berth[options] at (coord) length (usable length);
\pic[#1] at (#3) {train_berth={#2/#4/#5}}% symbol
}%
%%
%% symbol definition
\tikzset{%
pics/train_berth/.default=,%
pics/train_berth/.style args={#1/#2/#3}{code={%
%% settings
\def\coordcommand{#1}% beware of leading and tailing spaces!
\def\labelcommand{#2}% beware of leading and tailing spaces!
\def\labelcontent{#3}%
%% face setup
\ifdefstring{\face}{bidirectional}{% face
\pgfmathsetmacro{\facefactor}{1}%
}{%
\ifdefstring{\face}{forward}{% face
\pgfmathsetmacro{\facefactor}{1}%
}{%
\ifdefstring{\face}{backward}{% face
\pgfmathsetmacro{\facefactor}{-1}%
}{% error message
\pgfkeys{/errors/unknown choice value={/tikz/trackschematic/face}{“forward“, “backward“ OR “bidirectional“ as key required}}%
}%
}%
}% end \ifdefstring{\face}
%% traffic practice setup
\ifdefstring{\trafficpractice}{left}{% branch
\pgfmathsetmacro{\trafficfactor}{-1}%
}{%
\ifdefstring{\trafficpractice}{right}{% branch
\pgfmathsetmacro{\trafficfactor}{1}%
}{% error message
\pgfkeys{/errors/unknown choice value={/tikz/trackschematic/trafficcontrol/traffic practice}{“left“ OR “right“ as key required}}%
}%
}% end \ifdefstring{\trafficpractice}
%
\tikzset{every path/.style={draw=\foreground,line width=0.75pt,line cap=round,dash pattern=on 0pt off 2.4\pgflinewidth}};%
\path% berth shape forward
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.25)$) --%
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$)%
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.35) + (\pgflinewidth,0)$) --%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$)%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.25)$) --%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$);% berth shape forward
\path[draw=none,fill=\foreground]% arrow front
($\facefactor*0.5*(\objectlength,0) + \facefactor*(-0.1,0) + \trafficfactor*\facefactor*(0,-0.35)$) --%
++($(0,-0.04) + \facefactor*(-0.1,0)$) -- ++(0,0.08) -- cycle;% arrow
\path[draw=none,fill=\foreground]% arrow back
($\facefactor*-0.5*(\objectlength,0) + \facefactor*(0.2,0) + \trafficfactor*\facefactor*(0,-0.35)$) --%
++($(0,-0.04) + \facefactor*(-0.1,0)$) -- ++(0,0.08) -- cycle;% arrow
\ifdefstring{\face}{bidirectional}{% bidirectional
\pgfmathsetmacro{\facefactor}{-1}%
\path% berth shape forward
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.25)$) --%
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$)%
($-0.5*(\objectlength,0) + (-0.05,0) + \trafficfactor*\facefactor*(0,-0.35) + (\pgflinewidth,0)$) --%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$)%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.25)$) --%
($ 0.5*(\objectlength,0) + ( 0.05,0) + \trafficfactor*\facefactor*(0,-0.35)$);% berth shape forward
\path[draw=none,fill=\foreground]% arrow front
($\facefactor*0.5*(\objectlength,0) + \facefactor*(-0.1,0) + \trafficfactor*\facefactor*(0,-0.35)$) --%
++($(0,-0.04) + \facefactor*(-0.1,0)$) -- ++(0,0.08) -- cycle;% arrow
\path[draw=none,fill=\foreground]% arrow back
($\facefactor*-0.5*(\objectlength,0) + \facefactor*(0.2,0) + \trafficfactor*\facefactor*(0,-0.35)$) --%
++($(0,-0.04) + \facefactor*(-0.1,0)$) -- ++(0,0.08) -- cycle;% arrow
}{}%
%% label
\ifdefstring{\labelcontent}{}{}{% label NOT empty
\node[fill=\background,text=\foreground,inner sep=1pt] at ($\facefactor*(0,-0.35)$) {\tiny \labelcontent};%
\ifdefstring{\face}{bidirectional}{% bidirectional
\pgfmathsetmacro{\facefactor}{1}%
\node[fill=\background,text=\foreground,inner sep=1pt] at ($\facefactor*(0,-0.35)$) {\tiny \labelcontent};%
}{}%
}%
}},% end pics/train_berth/.style args={#1/#2/#3}
}%
%
%%%%%%%%%%%%%%%
% symbol track distance
%%%%%%%%%%%%%%%
%
%% command
\newcommand\trackdistance{}% just for safety
\def\trackdistance#1(#2)#3(#4)#5(#6){% \trackdistance between (coord1) and (coord2) label (distance);
\path[draw=\background,<->,>={Stealth[\foreground,inset=0pt,angle=50:0.2cm]},shorten <=1pt,shorten >=1pt] (#2) -- (#4)% arrow tips
node[hectometer base=(current bounding box.center),text=\foreground,midway,sloped,rotate=90] {#6};% label
}%
%
%%%%%%%%%%%%%%%
% symbol hectometer posts
%%%%%%%%%%%%%%%
%
%% command
\newcommand\hectometer{}% just for safety
\def\hectometer[#1]#2(#3)#4(#5){% \hectometer[options] at (coord) label (name);
\pic[#1] at (#3) {hectometer_posts={#2/#4/#5}}% symbol
}%
% tikz keys
\pgfkeys{%
/tikz/trackschematic/messures/hectometer/.is family,%
/tikz/trackschematic/messures/hectometer/.cd,%
%% hectometer base
base/.value required,%
base/.store in=\basecoord,%
/tikz/hectometer base/.forward to=/tikz/trackschematic/messures/hectometer/base,%
%% hectometer base
orientation/.value required,%
orientation/.store in=\orientation,%
/tikz/orientation/.forward to=/tikz/trackschematic/messures/hectometer/orientation,%
}%
%% symbol definition
\tikzset{%
pics/hectometer_posts/.default=,%
pics/hectometer_posts/.style args={#1/#2/#3}{code={%
%% settings
\def\coordcommand{#1}% beware of leading and tailing spaces!
\def\labelcommand{#2}% beware of leading and tailing spaces!
\def\labelcontent{#3}%
%
\gettikzxy{\basecoord}{\basecoordX}{\basecoordY}%
\ifdefstring{\labelcoord}{(none)}{}{% initialize if NOT default
\gettikzxy{\labelcoord}{\labelcoordX}{\labelcoordY}%
}
%% orientation setup
\ifdefstring{\orientation}{left}{% orientation
\def\align{right}%
}{%
\ifdefstring{\orientation}{right}{% orientation
\def\align{left}%
}{% error message
\pgfkeys{/errors/unknown choice value={/tikz/trackschematic/messures/hectometer/orientation}{“left“ OR “right“ as key required}}%
}%
}% end \ifdefstring{\orientation}
%% calculation of coordinates
%%
%% bend 1 bend 2
%% (0,0.75) (ts-hm-b1) (ts-hm-b2)
%% (0,0)• • ------- • --------- • ----- •(ts-hm-l) label
%%
\coordinate (ts-hm-l) at (0,\basecoordY);%
\ifdefstring{\labelcoord}{(none)}{%
\coordinate (ts-hm-b1) at (ts-hm-l);%
\coordinate (ts-hm-b2) at (ts-hm-l);%
}{% initialize if NOT default
\coordinate (ts-hm-b1) at ($(ts-hm-l) + (0,0.5)$);%
\coordinate (ts-hm-b2) at ($(ts-hm-l) + (\labelcoordX,0.25)$);%
\coordinate (ts-hm-l) at ($(ts-hm-l) + (\labelcoordX,\labelcoordY)$);%
}%
%% symbol
\path[draw=\hectometercolor,dashed,shorten <=0.75cm]%
(0,0) -- (ts-hm-b1) -- (ts-hm-b2) -- (ts-hm-l);%
%% label
\ifdefstring{\labelcontent}{}{}{% label NOT empty
\node[font=\sffamily,text=\hectometercolor,rotate=-90,\orientation,align=\align,fill=\background] at (ts-hm-l) {\labelcontent};%
}%
}},%
}%
%
%%%%%%%%%%%%%%%
% symbol messureline
%%%%%%%%%%%%%%%
%
% command
\newcommand\messureline{}% just for safety
\def\messureline{\path[MessureLine]}% \maintrack (coord1) -- (coord2);
%
\tikzset{MessureLine/.style={draw=\hectometercolor,dashed,shorten <=0.75cm,shorten >=0.75cm}}%
%
%%%%%%%%%%%%%%%
% TODO:
% * platform length
% * direction of milage
%
%%%%%%%%%%%%%%%
\endinput%
%
|
