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---
# Rendered Code Blocks
Code blocks can be rendered as SVG images
## Formats
- Graphviz (dot)
- Gnuplot
# Embedded Graphviz Code (SVG)
## Highlighted {.split}
```` {.dot}
``` {.dot .render width="80%"}
digraph {
node [style = filled]
A {fillcolor = yellowgreen}
A -> B
A -> C
C -> D
C -> E
C -> F
B -> D
}
```
````
## Rendered
``` {.dot .render width="80%"}
digraph {
node [style = filled]
A [fillcolor = yellowgreen]
A -> B
A -> C
C -> D
C -> E
C -> F
B -> D
}
```
# Embedded Gnuplot (SVG)
## Highlighted {.split}
```` {.gnuplot}
``` {.gnuplot .render width="80%"}
set samples 20, 20
set isosamples 20, 20
set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set style data lines
set xrange [ -3.00000 : 3.00000 ] noreverse nowriteback
set yrange [ -2.00000 : 2.00000 ] noreverse nowriteback
DEBUG_TERM_HTIC = 119
DEBUG_TERM_VTIC = 119
splot 1 / (x*x + y*y + 1)
```
````
## Rendered
``` {.gnuplot .render}
set samples 20, 20
set isosamples 20, 20
set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set style data lines
set xrange [ -3.00000 : 3.00000 ] noreverse nowriteback
set yrange [ -2.00000 : 2.00000 ] noreverse nowriteback
DEBUG_TERM_HTIC = 119
DEBUG_TERM_VTIC = 118
splot 1 / (x*x + y*y + 0.5)
``` {.markdown}
```
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------
# Tikz Files as Images
## Image Tag {.split}
``` {.markdown}
```
## Rendered and included
------
# Tikz Embedded
``` {.tikz .render width="50%"}
\begin{tikzpicture}[scale=3,cap=round]
% Local definitions
\def\costhirty{0.8660256}
% Colors
\colorlet{anglecolor}{green!50!black}
\colorlet{sincolor}{red}
\colorlet{tancolor}{orange!80!black}
\colorlet{coscolor}{blue}
% Styles
\tikzstyle{axes}=[]
\tikzstyle{important line}=[very thick]
\tikzstyle{information text}=[rounded corners,fill=red!10,inner sep=1ex]
% The graphic
\draw[style=help lines,step=0.5cm] (-1.4,-1.4) grid (1.4,1.4);
\draw (0,0) circle (1cm);
\begin{scope}[style=axes]
\draw[->] (-1.5,0) -- (1.5,0) node[right] {$x$};
\draw[->] (0,-1.5) -- (0,1.5) node[above] {$y$};
\foreach \x/\xtext in {-1, -.5/-\frac{1}{2}, 1}
\draw[xshift=\x cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white]
{$\xtext$};
\foreach \y/\ytext in {-1, -.5/-\frac{1}{2}, .5/\frac{1}{2}, 1}
\draw[yshift=\y cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white]
{$\ytext$};
\end{scope}
\filldraw[fill=green!20,draw=anglecolor] (0,0) -- (3mm,0pt) arc(0:30:3mm);
\draw (15:2mm) node[anglecolor] {$\alpha$};
\draw[style=important line,sincolor]
(30:1cm) -- node[left=1pt,fill=white] {$\sin \alpha$} +(0,-.5);
\draw[style=important line,coscolor]
(0,0) -- node[below=2pt,fill=white] {$\cos \alpha$} (\costhirty,0);
\draw[style=important line,tancolor] (1,0) --
node [right=1pt,fill=white]
{
$\displaystyle \tan \alpha \color{black}=
\frac{ {\color{sincolor}\sin \alpha} }{\color{coscolor}\cos \alpha}$
} (intersection of 0,0--30:1cm and 1,0--1,1) coordinate (t);
\draw (0,0) -- (t);
\end{tikzpicture}
```