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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% File: langsci-forest-setup.sty
%% Author: Language Science Press (http://langsci-press.org)
%% Date: 2016-01-16 16:47:43 UTC
%% Purpose: This file contains optional styles and settings for the
%% forest package. This version is for 2.0.
%% Language: LaTeX
%% Licence:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% texlive 2015 is broken (in comparison to texlive 2013)
% a workaround is to use a different pgf driver.
% See email from Akira Kakuto to Stefan Müller 15.01.2016
% Do we need this for 2017?
% We seem to be better off without it 31.10.2017
%deceive the driver
%\def\pdftexversion{140}
%use the old driver for dvipdfm
%\def\pgfsysdriver{pgfsys-dvipdfm.def}
% http://en.wikibooks.org/wiki/LaTeX/Linguistics#Syntactic_trees
\usepackage{tikz-dependency}
\usetikzlibrary{tikzmark} % saves positions in tikz pictures, allows to connect arbitrary text
% http://tex.stackexchange.com/questions/256280/drawing-complex-dependency-diagrams-with-tikz-forest
\usetikzlibrary{arrows.meta}
\tikzset{deparrow/.style={-Latex}}%,blue}}
% does not work with forest v1.05 did not check later versions
\usepackage[external,linguistics]{forest}
\tikzset{external/up to date check=simple}
% for texlive: -shell-escape, for miktex -enable-write18
% All externalized graphics go go the \externaldirectory
%\tikzexternalize[prefix=external-figures/,shell escape=-shell-escape]
\tikzset{external/system call={xelatex \tikzexternalcheckshellescape -halt-on-error -interaction=batchmode -jobname "\image" "\texsource"}}
%\usepackage{morewrites}
% specification for all trees, "default preamble" appends to existing specification.
% The version with apostrophe replaces it.
\forestset{default preamble'={
for tree={align=center,parent anchor=south, child anchor=north,anchor=north,base=bottom},
before drawing tree={
sort by=y,
for min={tree}{baseline}
}
}}
\forestset{
declare dimen={child anchor yshift}{0pt},
adjust childrens child anchors/.style={
if n children>=2{
before packing={
tempdima/.max={max_y}{children},
for children={
child anchor yshift=tempdima()-max_y()
},
}
}{}
},
default preamble={
for tree={
edge path'={(!u.parent anchor)--([yshift=\forestoption{child anchor yshift}].child anchor)},
adjust childrens child anchors
}
},
}
% http://www.texample.net/tikz/examples/borrowers-and-lenders/
\usetikzlibrary{arrows} %,positioning}
\tikzset{
%Define standard arrow tip
>=stealth'}
%% \forestset{
%% sn edges/.style={for tree={parent anchor=south, child anchor=north,align=center,base=bottom,where n children=0{tier=word}{}}},
%% background tree/.style={for tree={text opacity=0.2,draw opacity=0.2,edge={draw opacity=0.2}}}
%% }
% The following code fixes the size of triangles for examples with translations. The specification
% ",delay=with translation" at the leaves is important to make this work.
% http://tex.stackexchange.com/questions/167978/smaller-roofs-for-forest/205311#205311
\forestset{
with translation/.style={
l sep=0,inner xsep=0,
append translation/.expanded/.wrap pgfmath arg={\gettranslation{##1}}{content},
content/.expanded/.wrap pgfmath arg={\gettext{##1}}{content},
},
append translation/.style={
if={strequal("#1","")}{}{
append={[#1,no edge,inner xsep=0,inner ysep=0,outer ysep=0,
tier=gloss,
l=\baselineskip + 0.2ex,
]}
}
}
}
\def\gettext#1{\gettextA#1;;\endget}
\def\gettextA#1;#2;{\removesep#1;}
\def\gettranslation#1{\gettranslationA#1;;\endget}
\def\gettranslationA#1;#2;{\removesep#2;}
\def\removesep#1;#2\endget{#1}
% a specific style that specifies the word tier: all nodes that do not have any children
% to do: make this style default and change all other figures explicitely as is described here:
% http://tex.stackexchange.com/questions/167983/getting-rid-of-a-default-where-specification
\forestset{
sm edges/.style={for tree={parent anchor=south, child anchor=north,base=top}, % changed base=bottom
% to top since we have NP and AVM nodes and the NP has to start
% right away at the same hight as the AVM St. Mü. 18.10.2017
where n children=0{tier=word,delay=with translation}{} %,delay=with translation
},
sm edges without translation/.style={for tree={parent anchor=south, child anchor=north,base=bottom},
where n children=0{tier=word}{}
},
word tier/.style={where n children=0{tier=word}{}
},
%
% dependency grammar trees, projective trees only, I guess. St. Mü. 29.09.2014
dg edges/.style={for tree={parent anchor=south, child anchor=north,align=center,base=bottom},
where n children=0{tier=word,edge=dotted,calign with current edge,delay=with translation}{}
},
%
% Adjunct edges as suggested by Engels, 1977
% http://tex.stackexchange.com/questions/204770/defining-a-special-edge-style-for-connecting-nodes-in-forest/204819#204819
dg adjunct/.style={edge path={\noexpand\path[\forestoption{edge}]
(!u.parent anchor)--(.child anchor)-- +(0,#1)\forestoption{edge label};}},
%
dg adjunct/.default=6pt,
%
% for Tesniere-style translations
dg transfer/.style={edge path={\noexpand\path[\forestoption{edge}, rounded corners=3pt]
% the line downwards
(!u.parent anchor)-- +($(0,-l)-(0,4pt)$)-- +($(12pt,-l)-(0,4pt)$)
% the horizontal line
($(!p.north west)+(0,l)-(0,20pt)$)--($(.north east)+(0,l)-(0,20pt)$)\forestoption{edge label};},!p.edge'={}},
% for Tesniere-style junctions
dg junction/.style={no edge, tikz+={\draw (!p.east)--(!.west) (.east)--(!n.west);} },
%
%
%
% http://tex.stackexchange.com/questions/256280/drawing-complex-dependency-diagrams-with-tikz-forest/256300#256300
% in the tree draw the highest nodes of the inheritance network. For lower nodes insert empty nodes
% "[]". These will be filled by the same word and the numbers will be provided with bars according
% to remoteness from the word level.
%
% So cool! Thanks Sašo Živanović
%
wg/.style={
for tree={
no edge,
draw,
outer ysep=1pt,
},
copy label/.style={
for children={
if content={}{
content/.pgfmath={content("!u")},
calign with current,
edge={draw,{-Triangle[open,reversed]}},
copy label,
!u.content/.pgfmath={content},
!u.content+=',
}{
copy label,
}
}
},
delay={
copy label,
for tree={name/.pgfmath={content}},
},
for tree={content format={\strut\forestoption{content}}},
where n children={0}{
tier=word,
}{},
},
%
%
% TAG
% http://tex.stackexchange.com/questions/207459/getting-old-school-trees-with-forest
% fit -> fit=band causes all nodes to have nothing below them
tag/.style={for tree={parent anchor=south, child anchor=north,align=center,base=top,fit=rectangle},
where n children=0{delay=with translation}{},
% the following breaks the alignments in sets
begin draw/.code={\begin{tikzpicture}[baseline=(current bounding box.center)]}
},
%
% like the tag style, but without fit rectangle
no word baseline/.style={for tree={parent anchor=south, child anchor=north,align=center,base=top},
where n children=0{delay=with translation}{}},
%
% a style that creates an arrow pointing to the substitution node from a tree top node encoded as daughter
substitution/.style={edge={<-,dashed},l+=\baselineskip},
%
%
%
typehierarchy/.style={for tree={parent anchor=south, child
anchor=north,align=center,base=top,font=\itshape,fit=rectangle}},
% if there are instances as leaves in the hiarchy
instance/.style={edge=dotted},
%
% auxiliary nodes without node label
%empty nodes/.style={
% delay={where content={}{shape=coordinate,for parent={for children={anchor=north}}}{}}}
}
% Manual page 52
%% \forestset{
%% nice empty nodes/.style={
%% for tree={calign=fixed edge angles},
%% delay={where content={}{shape=coordinate,for parent={for children={anchor=north}}}{}}
%% }}
% forest 2.0
\forestset{
empty nodes/.style={
delay={where content={}{shape=coordinate,for siblings={anchor=north}}{}}
}
}
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