316 lines
12 KiB
TeX
316 lines
12 KiB
TeX
% Copyright 2011 by Daniele Pighin
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% This file may be distributed and/or modified
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%
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% 1. under the LaTeX Project Public License and/or
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% 2. under the GNU Public License.
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%
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% See the file doc/generic/tikz-dependency/licenses/LICENSE for more details.
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%
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% Changelog
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%
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% 1.1 (Jan 17, 2012)
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% - Added the possibility to use simple arcs as edges (keys: arc edge/segmented edge)
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% - Added "edge start x offset" and "edge end x offset" to fine tune edge start/end point position
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% - Added \depstyle to define styles more easily
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% - Added "simple" theme, based on the parse on page 1 of [Nivre and McDonald, 2008 ACL-HLT]
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% - Added instructions to draw bubble parses
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% - Fixed bug that would cause groupedges not to be straight under some circumstances;
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%
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% 1.0 (Nov 26, 2011)
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% - First public release
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\ProvidesPackage{tikz-dependency}[2011/01/08 v1.1 Macros to draw dependency trees]
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\NeedsTeXFormat{LaTeX2e}[1999/12/01]
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\RequirePackage{tikz,environ}
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\usetikzlibrary{matrix,arrows,backgrounds,calc,patterns,positioning,fit,shapes}
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\pgfdeclarelayer{depgroups}
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\pgfsetlayers{depgroups,main}
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\newcounter{dt@labelid}
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\newif\ifdt@linkbelow
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\newif\ifdt@arcedge
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\tikzset{
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/depgraph/.cd,
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/depgraph/.search also = {/tikz},
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dep id/.code = {\def\dt@depid{#1}},
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dep id = dependency,
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% fix the distance of the edge
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edge height/.code = {\pgfmathsetlengthmacro{\dt@linkheight}{#1}},
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edge height = 0pt,
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% the distant of the horizontal line of the edge style for two adjacent words
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edge unit distance/.code = {\pgfmathsetlengthmacro{\dt@linkstep}{#1}},
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edge unit distance = 3ex,
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% the horizontal offset defining the trapezoidal look
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edge slant/.code = {\pgfmathsetlengthmacro{\dt@linkslant}{#1}},
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edge slant = 3pt,
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% the horizontal offset defining the starting/ending position of the edge style
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edge horizontal padding/.code = {\pgfmathsetlengthmacro{\dt@linkoffset}{#1}},
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edge horizontal padding = 4pt,
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% vertical offset of the edge style from the word
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edge vertical padding/.code = {\pgfmathsetlengthmacro{\dt@linkdist}{#1}},
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edge vertical padding = 0ex,
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% should links be placed above or below the sentence
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edge below/.is if = dt@linkbelow,
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edge below/.default=true,
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edge above/.code = {\dt@linkbelowfalse},
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% arc edge
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arc edge/.is if = dt@arcedge,
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segmented edge/.code = {\dt@arcedgefalse},
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arc angle/.store in = \dt@arcangle,
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arc angle = 60,
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% an explicit offset to compensate the x position of the edge
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edge start x offset/.code = {\pgfmathsetlengthmacro{\dt@EdgeStartOffsetX}{#1}},
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edge start x offset = 0,
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edge end x offset/.code = {\pgfmathsetlengthmacro{\dt@EdgeEndOffsetX}{#1}},
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edge end x offset = 0,
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% the layer that links should connect
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% (should be set to "1" for edge above, and to the number of rows
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% in the matrix for edge below)
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target layer/.store in = \dt@tgtlayer,
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target layer/.default = 0,
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target layer = 0,
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% styling options
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reserved/edge style/.style = {->, >=stealth, black, solid, rounded corners = 2, line cap = round, segmented edge},
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edge style/.style = {reserved/edge style/.append style = {#1}},
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reserved/label style/.style = {
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anchor = mid,
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draw, solid,
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black,
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scale = .7,
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text height = 1.5ex, text depth = 0.25ex, % needed to center text vertically
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inner sep=.5ex,
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outer sep = 0pt,
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rounded corners = 2pt,
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text = black,
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fill = white},
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label style/.style = {reserved/label style/.append style = {#1}},
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hide label/.style = {reserved/label style/.append style = {opacity = 0, text opacity = 0}},
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show label/.style = {reserved/label style/.append style = {opacity = 1, text opacity = 1}},
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text only label/.style = {reserved/label style/.append style = {opacity=0, text opacity=1}},
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reserved/text style/.style = {
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text height=1.5ex, text depth = 0.25ex, % needed to center text vertically
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inner sep = .5ex},
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text style/.style = {reserved/text style/.append style = {#1}},
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% group styling
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reserved/group style/.style = {
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inner sep = 0,
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draw, solid,
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outer sep = .5ex,
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rounded corners = 2pt},
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group style/.style = {reserved/group style/.append style = {#1}},
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% themes for text
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text theme/.is choice,
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text theme/default/.style = {text style={black}},
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text theme/brazil/.style = {text style={blue!60!black}},
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text theme/iron/.style = {text style={black!80}},
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text theme/copper/.style = {text style={brown!60!black}},
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text theme/night/.style = {text style={black}},
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text theme/grassy/.style = {text style={green!40!black}},
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text theme/simple/.style = {text style={black}},
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% themes for labels
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label theme/.is choice,
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label theme/default/.style = {label style={fill=white, draw=black}},
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label theme/night/.style = {label style={text=white, fill=black, font=\bfseries}},
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label theme/brazil/.style = {label style={thick, black, fill=yellow, text=black, font=\bfseries}},
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label theme/iron/.style = {label style={top color=black!60, bottom color=black!80, draw=black!80, text=white, font=\bfseries}},
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label theme/copper/.style = {label style={top color=brown!80!pink, bottom color=brown!60!black, draw=brown!80, text=white, font=\bfseries}},
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label theme/grassy/.style = {label style={bottom color=green!60!black, top color=green!20!black, draw=green!40!black, text=white, font=\bfseries}},
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label theme/simple/.style = {label style={draw=none,fill=none,above,font=\scriptsize}},
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% themes for edges
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edge theme/.is choice,
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edge theme/default/.style = {edge style={thin,black}},
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edge theme/night/.style = {edge style={thick}},
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edge theme/brazil/.style = {edge style={thick,green!60!black}},
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edge theme/iron/.style = {edge style={thick, black!80}},
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edge theme/copper/.style = {edge style={thick, brown!80}},
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edge theme/grassy/.style = {edge style={thick, green!40!black}},
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edge theme/simple/.style = {arc edge, arc angle=79},
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% themes styles
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theme/.style = {label theme = #1, edge theme = #1, text theme = #1},
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}
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\newcommand{\depstyle}[2]{\tikzset{#1/.style = {/depgraph/.cd, #2}}}
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\newenvironment{dependency}[1][]{%
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\begin{tikzpicture}[/depgraph/.cd, #1]
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\begin{scope}
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}{%
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\end{scope}%
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\end{tikzpicture}%
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}
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\NewEnviron{deptext}[1][]{%
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\begin{scope}
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\matrix (\dt@depid)[%
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nodes = {/depgraph/reserved/text style},
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column sep = 0,
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row sep = -.5ex,
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matrix of nodes,
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ampersand replacement = \&,
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nodes in empty cells,
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#1] {
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\BODY%
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};%
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\pgfmathtruncatemacro\dt@tmp{\pgfmatrixcurrentrow}
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\xdef\dt@numrows{\dt@tmp}
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\end{scope}%
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}
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\newcommand{\depkeys}[1]{\tikzset{/depgraph/.cd, #1}}
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\newcommand{\settgtlayer}{%
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\ifnum\dt@tgtlayer=0%
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\ifdt@linkbelow%
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\pgfmathtruncatemacro{\dt@tgtlayer}{\dt@numrows}%
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\else%
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\pgfmathtruncatemacro{\dt@tgtlayer}{1}%
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\fi%
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\fi%
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}
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\newcommand{\deproot}[3][]{% options, root offset, root reserved/label style
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\begin{scope}
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\depkeys{#1}
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\pgfmathsetmacro{\offa}{#2}
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\settgtlayer
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\def\anchorpoint{north}
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\ifdt@linkbelow
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\def\anchorpoint{south}
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\fi
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\def\source{\dt@depid-\dt@tgtlayer-#2}
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\ifdim\dt@linkheight=0pt
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\pgfmathsetmacro{\distance}{\dt@linkstep * 4}
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\else
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\pgfmathsetlengthmacro{\distance}{\dt@linkheight}
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\fi
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\pgfmathsetlengthmacro{\dt@startdist}{\dt@linkdist}
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\ifdt@linkbelow
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\pgfmathsetmacro{\distance}{-(\dt@linkstep * 4)}
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\pgfmathsetlengthmacro{\dt@startdist}{-\dt@startdist}
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\fi
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\node at (\source) (\rootref) [yshift=\distance, /depgraph/.cd, reserved/label style, #1] {#3};
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\draw [/depgraph/.cd, reserved/edge style, #1] (\rootref) -- ($(\source.\anchorpoint) + (0, \dt@startdist)$);
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\end{scope}
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}
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\newcommand{\depedge}[4][]{% options, source offset, target offset, dep name
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\begin{scope}
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\depkeys{#1}
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\pgfmathsetmacro{\offa}{#2}
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\pgfmathsetmacro{\offb}{#3}
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\settgtlayer
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\def\source{\wordref{\dt@tgtlayer}{#2}}
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\def\dest{\wordref{\dt@tgtlayer}{#3}}
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\def\depname{#4}
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\ifdim\dt@linkheight=0pt
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\pgfmathsetlengthmacro{\distance}{abs(\offb - \offa)*\dt@linkstep}
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\else
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\pgfmathsetlengthmacro{\distance}{\dt@linkheight}
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\fi
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\groupedge[#1]{\source}{\dest}{\depname}{\distance}
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\end{scope}}
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\newlength{\xca}
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\newlength{\yca}
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\newlength{\xcb}
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\newlength{\ycb}
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\newcommand{\wordref}[2]{\dt@depid-#1-#2}
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\newcommand{\rootref}{\dt@depid-root}
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\newcommand{\matrixref}{\dt@depid}
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% \storelabelnode
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%
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% \edef#1 the name of the last reserved/label style, stored in \dt@lastlabel
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%
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% #1 - a macro
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\newcommand{\storelabelnode}[1]{\edef#1{\dt@lastlabel}}
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\newcommand{\storefirstcorner}[1]{\edef#1{\dt@lastlabel-edge-first-corner}}
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\newcommand{\storesecondcorner}[1]{\edef#1{\dt@lastlabel-edge-second-corner}}
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\newcommand{\wordgroup}[5][]{% options, layer, col-start, col-end, identifier
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\begin{scope}[/depgraph/.cd, #1]
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\pgfonlayer{depgroups}
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\node (#5) [fit = (\wordref{#2}{#3}) (\wordref{#2}{#4}), /depgraph/.cd, reserved/group style, #1] {};
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\endpgfonlayer
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\end{scope}
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}
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\newcommand{\groupedge}[5][]{% options, source, target, depname, distance
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\begin{scope}[/depgraph/.cd, #1]
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\def\anchorpoint{north}
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\ifdt@linkbelow
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\def\anchorpoint{south}
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\fi
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\pgfextractx{\xca}{\pgfpointanchor{#2}{\anchorpoint}}
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\pgfextractx{\xcb}{\pgfpointanchor{#3}{\anchorpoint}}
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\pgfextracty{\yca}{\pgfpointanchor{#2}{\anchorpoint}}
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\pgfextracty{\ycb}{\pgfpointanchor{#3}{\anchorpoint}}
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\pgfmathsetlengthmacro{\ydiff}{\yca-\ycb}
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\ifdim\xca>\xcb
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\pgfmathsetlengthmacro{\doff}{-\dt@linkoffset}
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\pgfmathsetlengthmacro{\dslant}{-\dt@linkslant}
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\else
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\pgfmathsetlengthmacro{\doff}{\dt@linkoffset}
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\pgfmathsetlengthmacro{\dslant}{\dt@linkslant}
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\fi
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\addtocounter{dt@labelid}{1}
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\xdef\dt@lastlabel{\dt@depid-\the\value{dt@labelid}}
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\pgfmathsetlengthmacro{\dt@startdist}{\dt@linkdist}
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\pgfmathsetlengthmacro{\dt@enddist}{#5}
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\ifdt@linkbelow
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\pgfmathsetlengthmacro{\dt@startdist}{-\dt@startdist}
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\pgfmathsetlengthmacro{\dt@enddist}{-\dt@enddist}
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\fi
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% Calculate edge anchors. -edge-first-corner and -edge-second-corner are only
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% meaningful for segmented edge, but we also draw the nodes for arc edge, someone
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% may always find these anchors useful...
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\node (\dt@lastlabel-edge-origin) [coordinate] at ($(#2.\anchorpoint) + (\doff,\dt@startdist) + (\dt@EdgeStartOffsetX,0)$) {};
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\node (\dt@lastlabel-edge-first-corner) [coordinate] at ($(\dt@lastlabel-edge-origin) + (\dslant,\dt@enddist)$) {};
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\node (\dt@lastlabel-edge-second-corner) [coordinate] at ($(#3.\anchorpoint) + (-\dslant,\dt@enddist+\dt@startdist+\ydiff)$) {};
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\node (\dt@lastlabel-edge-endpoint) [coordinate] at ($(#3.\anchorpoint) + (0,\dt@startdist) + (\dt@EdgeEndOffsetX,0)$) {};
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\ifdt@arcedge
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% link above, left to right
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\pgfmathsetmacro{\dt@arcin}{180-\dt@arcangle}
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\pgfmathsetmacro{\dt@arcout}{\dt@arcangle}
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\ifdt@linkbelow
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% link below
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\pgfmathsetmacro{\dt@arcin}{-\dt@arcin}
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\pgfmathsetmacro{\dt@arcout}{-\dt@arcout}
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\fi
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\ifdim\xca>\xcb
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% right to left
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\pgfmathsetmacro{\dt@temp}{\dt@arcin}
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\pgfmathsetmacro{\dt@arcin}{\dt@arcout}
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\pgfmathsetmacro{\dt@arcout}{\dt@temp}
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\fi
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%\draw [/depgraph/.cd, reserved/edge style, rounded corners = #5/5, #1]
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\draw [out=\dt@arcout, in=\dt@arcin,/depgraph/.cd, reserved/edge style, rounded corners = #5/5, #1]
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(\dt@lastlabel-edge-origin)
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to node (\dt@lastlabel) [/depgraph/.cd, #1, reserved/label style] {#4}
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(\dt@lastlabel-edge-endpoint);
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\else
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\draw [/depgraph/.cd, reserved/edge style, rounded corners = #5/5, #1]
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(\dt@lastlabel-edge-origin) --
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(\dt@lastlabel-edge-first-corner) --
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(\dt@lastlabel-edge-second-corner) --
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(\dt@lastlabel-edge-endpoint);
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\node (\dt@lastlabel) [/depgraph/.cd, #1, reserved/label style] at
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($ .5*(\dt@lastlabel-edge-second-corner) + .5*(\dt@lastlabel-edge-first-corner) $)
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{#4};
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\fi
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\end{scope}
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}
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