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-rw-r--r--Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-library-edges.tex244
1 files changed, 133 insertions, 111 deletions
diff --git a/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-library-edges.tex b/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-library-edges.tex
index 7b4491774c0..a0ecfec5c36 100644
--- a/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-library-edges.tex
+++ b/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-library-edges.tex
@@ -26,14 +26,13 @@
The following style installs a to path that is simply a straight line
from the start coordinate to the target coordinate.
-\begin{itemize}
- \itemstyle{line to}
- causes a straight line to be added to the path upon a |to| or an
+\begin{key}{/tikz/line to}
+ Causes a straight line to be added to the path upon a |to| or an
|edge| operation.
\begin{codeexample}[]
\tikz {\draw (0,0) to[line to] (1,0);}
\end{codeexample}
-\end{itemize}
+\end{key}
\subsection{Curves}
@@ -41,8 +40,7 @@ from the start coordinate to the target coordinate.
The |curve to| style causes the to path to be set to a curve. The
exact way this curve looks can be influenced via a number of options.
-\begin{itemize}
- \itemstyle{curve to}
+\begin{key}{/tikz/curve to}
Specifies that the |to path| should be a curve. This curve will
leave the start coordinate at a certain angle, which can be
specified using the |out| option. It reaches the target coordinate
@@ -53,12 +51,13 @@ exact way this curve looks can be influenced via a number of options.
All of the following options implictly cause the |curve to| style to
be installed.
- \itemoption{out}|=|\meta{angle}
- The angle at which the curve leaves the start coordinate. If the
- start coordinate is a node, the start coordinate is the point on the
- border of the node at the given \meta{angle}. The control point
- will, thus, lie at a certain distance in the direction \meta{angle}
- from the start coordinate.
+
+ \begin{key}{/tikz/out=\meta{angle}}
+ The angle at which the curve leaves the start coordinate. If the
+ start coordinate is a node, the start coordinate is the point on the
+ border of the node at the given \meta{angle}. The control point
+ will, thus, lie at a certain distance in the direction \meta{angle}
+ from the start coordinate.
\begin{codeexample}[]
\begin{tikzpicture}[out=45,in=135]
\draw (0,0) to (1,0)
@@ -66,23 +65,25 @@ exact way this curve looks can be influenced via a number of options.
(0,0) to (3,0);
\end{tikzpicture}
\end{codeexample}
- \itemoption{in}|=|\meta{angle}
- The angle at which the curve reaches the target coordinate.
-
- \itemoption{relative}\opt{|=|\meta{true or false}}
- This option tells \tikzname\ whether the |in| and |out| angles
- should be considered absolute or relative. Absolute means that an
- |out| angle of 30$^\circ$ means that the curve leaves the start
- coordinate at an angle of 30$^\circ$ relative to the paper (unless,
- of course, further transformations have been installed). A
- \emph{relative} angle is, by comparison, measured relative to a
- straight line from the start coordinate to the target
- coordinate. Thus, a relative angle of 30$^\circ$ means that the
- curve will bend to the left from the line going straight from the
- start to the target. For the target, the relative coordinate is
- measured in the same manner, namely relative to the line going from
- the start to the target. Thus, an angle of 150$^\circ$ means that
- the curve will reach target coming slightly from the left.
+ \end{key}
+ \begin{key}{/tikz/in=\meta{angle}}
+ The angle at which the curve reaches the target coordinate.
+ \end{key}
+
+ \begin{key}{/tikz/relative=\meta{true or false} (default true)}
+ This option tells \tikzname\ whether the |in| and |out| angles
+ should be considered absolute or relative. Absolute means that an
+ |out| angle of 30$^\circ$ means that the curve leaves the start
+ coordinate at an angle of 30$^\circ$ relative to the paper (unless,
+ of course, further transformations have been installed). A
+ \emph{relative} angle is, by comparison, measured relative to a
+ straight line from the start coordinate to the target
+ coordinate. Thus, a relative angle of 30$^\circ$ means that the
+ curve will bend to the left from the line going straight from the
+ start to the target. For the target, the relative coordinate is
+ measured in the same manner, namely relative to the line going from
+ the start to the target. Thus, an angle of 150$^\circ$ means that
+ the curve will reach target coming slightly from the left.
\begin{codeexample}[]
\begin{tikzpicture}[out=45,in=135,relative]
@@ -102,17 +103,18 @@ exact way this curve looks can be influenced via a number of options.
edge (c);
\end{tikzpicture}
\end{codeexample}
+ \end{key}
- \itemoption{bend left}\opt{|=|\meta{angle}}
- This option sets |out=|\meta{angle}|,in=|$180-\meta{angle}$|,relative|. If no
- \meta{angle} is given, the last given |bend left| or |bend right|
- angle is used.
+ \begin{key}{/tikz/bend left=\meta{angle} (default \normalfont last value)}
+ This option sets |out=|\meta{angle}|,in=|$180-\meta{angle}$|,relative|. If no
+ \meta{angle} is given, the last given |bend left| or |bend right|
+ angle is used.
\begin{codeexample}[]
-\begin{tikzpicture}[shorten >=1pt,node distance=2cm]
+\begin{tikzpicture}[shorten >=1pt,node distance=2cm,on grid]
\node[state,initial] (q_0) {$q_0$};
- \node[state] (q_1) [right of=q_0] {$q_1$};
- \node[state,accepting](q_2) [right of=q_1] {$q_2$};
+ \node[state] (q_1) [right=of q_0] {$q_1$};
+ \node[state,accepting](q_2) [right=of q_1] {$q_2$};
\path[->] (q_0) edge node [above] {0} (q_1)
edge [loop above] node {1} ()
@@ -133,56 +135,69 @@ exact way this curve looks can be influenced via a number of options.
edge [<-,bend left=22,looseness=0.8] (\to);
\end{tikzpicture}
\end{codeexample}
-
- \itemoption{bend right}\opt{|=|\meta{angle}}
- Works like the |bend left| option, only the bend is to the other side.
-
- \itemoption{bend angle}|=|\meta{angle}
- Sets the angle to be used by the |bend left| or |bend right|, but
- without actually selecting the |curve to| or the |relative|
- option. This is useful for globally specifying a |bend angle| for a
- whole picture.
-
- \itemoption{looseness}|=|\meta{number}
- This number specifies how ``loose'' the curve will be. In detail,
- the following happens: \tikzname\ computes the distance between the
- start and the target coordinate (if the start and/or target
- coordinate are nodes, the distance is computed between the points on
- their border). This distance is then multiplied by a fixed factor
- and also by the factor \meta{number}. The resulting distance, let us
- call it $d$, is then used as the distance of the control points from
- the start and target coordinates.
-
- The fixed factor has been chosen in such a way that if \meta{number}
- is |1|, which is the default, if the |in| and |out| angles differ by
- 90$\circ$, then a quarter circle results:
+ \end{key}
+
+ \begin{key}{/tikz/bend right=\meta{angle} (default \normalfont last value)}
+ Works like the |bend left| option, only the bend is to the other side.
+ \end{key}
+
+ \begin{key}{/tikz/bend angle=\meta{angle}}
+ Sets the angle to be used by the |bend left| or |bend right|, but
+ without actually selecting the |curve to| or the |relative|
+ option. This is useful for globally specifying a |bend angle| for a
+ whole picture.
+ \end{key}
+
+ \begin{key}{/tikz/looseness=\meta{number} (initially 1)}
+ This number specifies how ``loose'' the curve will be. In detail,
+ the following happens: \tikzname\ computes the distance between the
+ start and the target coordinate (if the start and/or target
+ coordinate are nodes, the distance is computed between the points on
+ their border). This distance is then multiplied by a fixed factor
+ and also by the factor \meta{number}. The resulting distance, let us
+ call it $d$, is then used as the distance of the control points from
+ the start and target coordinates.
+
+ The fixed factor has been chosen in such a way that if \meta{number}
+ is |1|, if the |in| and |out| angles differ by
+ 90$\circ$, then a quarter circle results:
\begin{codeexample}[]
\tikz \draw (0,0) to [out=0,in=-90] (1,1);
\tikz \draw (0,0) to [out=0,in=-90,looseness=0.5] (1,1);
\end{codeexample}
-
- \itemoption{out looseness}|=|\meta{number}
- specifies the looseness factor for the out distance only.
- \itemoption{in looseness}|=|\meta{number}
- specifies the looseness factor for the in distance only.
- \itemoption{min distance}|=|\meta{distance}
- If the computed distance for the start and target coordinates are
- below \meta{distance}, then \meta{distance} is used instead.
- \itemoption{max distance}|=|\meta{distance}
- If the computed distance for the start and target coordinates are
- above \meta{distance}, then \meta{distance} is used instead.
- \itemoption{out min distance}|=|\meta{distance}
- The min distance set only for the start coordinate.
- \itemoption{out max distance}|=|\meta{distance}
- The max distance set only for the start coordinate.
- \itemoption{in min distance}|=|\meta{distance}
- The min distance set only for the target coordinate.
- \itemoption{in max distance}|=|\meta{distance}
- The max distance set only for the target coordinate.
- \itemoption{distance}|=|\meta{distance}
- Set the min and max distance to the same value \meta{distance}. Note
- that this causes any computed distance $d$ to be ignored and
- \meta{distance} to be used instead.
+ \end{key}
+
+ \begin{key}{/tikz/out looseness=\meta{number}}
+ specifies the looseness factor for the out distance only.
+ \end{key}
+
+ \begin{key}{/tikz/in looseness=\meta{number}}
+ specifies the looseness factor for the in distance only.
+ \end{key}
+ \begin{key}{/tikz/min distance=\meta{distance}}
+ If the computed distance for the start and target coordinates are
+ below \meta{distance}, then \meta{distance} is used instead.
+ \end{key}
+ \begin{key}{/tikz/max distance=\meta{distance}}
+ If the computed distance for the start and target coordinates are
+ above \meta{distance}, then \meta{distance} is used instead.
+ \end{key}
+ \begin{key}{/tikz/out min distance=\meta{distance}}
+ The mininimum distance set only for the start coordinate.
+ \end{key}
+ \begin{key}{/tikz/out max distance=\meta{distance}}
+ The maximum distance set only for the start coordinate.
+ \end{key}
+ \begin{key}{/tikz/in min distance=\meta{distance}}
+ The min distance set only for the target coordinate.
+ \end{key}
+ \begin{key}{/tikz/in max distance=\meta{distance}}
+ The max distance set only for the target coordinate.
+ \end{key}
+ \begin{key}{/tikz/distance=\meta{distance}}
+ Set the min and max distance to the same value \meta{distance}. Note
+ that this causes any computed distance $d$ to be ignored and
+ \meta{distance} to be used instead.
\begin{codeexample}[]
\begin{tikzpicture}[out=45,in=135,distance=1cm]
\draw (0,0) to (1,0)
@@ -190,32 +205,37 @@ exact way this curve looks can be influenced via a number of options.
(0,0) to (3,0);
\end{tikzpicture}
\end{codeexample}
- \itemoption{out distance}|=|\meta{distance}
- sets the min and max out distance.
- \itemoption{in distance}|=|\meta{distance}
- sets the min and max in distance.
- \itemoption{out control}|=|\meta{coordinate}
- This option causes the \meta{coordinate} to be used as the start
- control point. All computations of $d$ are ignored. You can use a
- coordinate like |+(1,0)| to specify a point relative to the start
- coordinate.
- \itemoption{in control}|=|\meta{coordinate}
- This option causes the \meta{coordinate} to be used as the target
- control point.
- \itemoption{controls}|=|\meta{coordinate}| and |\meta{coordinate}
- This option causes the \meta{coordinate}s to be used as control
- points.
+ \end{key}
+ \begin{key}{/tikz/out distance=\meta{distance}}
+ Sets the min and max out distance.
+ \end{key}
+ \begin{key}{/tikz/in distance=\meta{distance}}
+ Sets the min and max in distance.
+ \end{key}
+ \begin{key}{/tikz/out control=\meta{coordinate}}
+ This option causes the \meta{coordinate} to be used as the start
+ control point. All computations of $d$ are ignored. You can use a
+ coordinate like |+(1,0)| to specify a point relative to the start
+ coordinate.
+ \end{key}
+ \begin{key}{/tikz/in control=\meta{coordinate}}
+ This option causes the \meta{coordinate} to be used as the target
+ control point.
+ \end{key}
+ \begin{key}{/tikz/controls=\meta{coordinate}| and |\meta{coordinate}}
+ This option causes the \meta{coordinate}s to be used as control
+ points.
\begin{codeexample}[]
\tikz \draw (0,0) to [controls=+(90:1) and +(90:1)] (3,0);
\end{codeexample}
-\end{itemize}
+ \end{key}
+\end{key}
\subsection{Loops}
-\begin{itemize}
- \itemstyle{loop}
- This style is similar to the |curve to| style, but differs in the
+\begin{key}{/tikz/loop}
+ This key is similar to the |curve to| key, but differs in the
following ways: First, the actual target coordinate is ignored and the
start coordiante is used as the target coordinate. Thus, it is
allowed not to provide any target coordinate, which can be useful
@@ -228,7 +248,9 @@ exact way this curve looks can be influenced via a number of options.
\node [circle,draw] {a} edge [in=30,out=60,loop] ();
\end{tikzpicture}
\end{codeexample}
- \itemstyle{loop above}
+\end{key}
+
+\begin{stylekey}{/tikz/loop above}
Sets the |loop| style and sets in and out angles such that
loop is above the node. Furthermore, the |above| option is set,
which causes a node label to be placed at the correct position.
@@ -237,20 +259,20 @@ exact way this curve looks can be influenced via a number of options.
\node [circle,draw] {a} edge [loop above] node {x} ();
\end{tikzpicture}
\end{codeexample}
- \itemstyle{loop below} works like the previous option.
- \itemstyle{loop left} works like the previous option.
- \itemstyle{loop right} works like the previous option.
- \itemstyle{every loop} This style is installed at the beginning of
- every loop. By default, it is set to |->,shorten >=1pt|, but feel
- free to change this.
+\end{stylekey}
+\begin{stylekey}{/tikz/loop below} Works like the previous option. \end{stylekey}
+\begin{stylekey}{/tikz/loop left} Works like the previous option. \end{stylekey}
+\begin{stylekey}{/tikz/loop right} Works like the previous option. \end{stylekey}
+\begin{stylekey}{/tikz/every loop (initially {->,shorten >=1pt})}
+ This style is installed at the beginning of
+ every loop.
\begin{codeexample}[]
-\begin{tikzpicture}
- \tikzstyle{every loop}=[]
+\begin{tikzpicture}[every loop/.style={}]
\draw (0,0) to [loop above] () to [loop right] ()
to [loop below] () to [loop left] ();
\end{tikzpicture}
\end{codeexample}
-\end{itemize}
+\end{stylekey}