From 4048ff88283ed4bde8d03e15b0903fc6f3653e47 Mon Sep 17 00:00:00 2001
From: Patrick Diehl <patrick.diehl@polymtl.ca>
Date: Wed, 28 Feb 2018 09:25:22 -0500
Subject: [PATCH] Add example for plotting values read from csv files with
 pgfplots

---
 data/data.csv          |  6 ++++++
 latexhints-english.tex | 13 +++++++++++++
 latexhints-german.tex  | 13 +++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 data/data.csv

diff --git a/data/data.csv b/data/data.csv
new file mode 100644
index 00000000..5da6fb96
--- /dev/null
+++ b/data/data.csv
@@ -0,0 +1,6 @@
+a,b,c,d
+1,4,5,1
+2,3,1,5
+3,5,6,1
+4,1,4,9
+5,3,4,7
\ No newline at end of file
diff --git a/latexhints-english.tex b/latexhints-english.tex
index 2aa28622..b9d603ca 100644
--- a/latexhints-english.tex
+++ b/latexhints-english.tex
@@ -370,6 +370,19 @@ \section{Weitere Illustrationen}
     \end{center}
     \caption{Plot of $\sin(x)$ direclty inside the figure environment with pgfplots.}
   \end{figure}
+  
+  \begin{figure}[h]
+    \begin{center}
+      \begin{tikzpicture}
+        \begin{axis}[xlabel=$x$,
+            ylabel=$y$]
+          \addplot table [x=a, y=c, col sep=comma] {data/data.csv};  % Read coordinates from csv file and plot them
+        \end{axis}
+      \end{tikzpicture}
+    \end{center}
+    \caption{Coordinates $x$ and $y$ read from csv file and plotted pgfplots.}
+  \end{figure}
+  
 }{}
 
 \IfFileExists{tikz.sty}{
diff --git a/latexhints-german.tex b/latexhints-german.tex
index fb068e14..e75ce700 100644
--- a/latexhints-german.tex
+++ b/latexhints-german.tex
@@ -406,6 +406,19 @@ \section{Weitere Illustrationen}
     \end{center}
     \caption{$\sin(x)$ mit pgfplots.}
   \end{figure}
+  
+   \begin{figure}[h]
+    \begin{center}
+      \begin{tikzpicture}
+        \begin{axis}[xlabel=$x$,
+            ylabel=$y$]
+          \addplot table [x=a, y=c, col sep=comma] {data/data.csv};  % Koordinaten aus einer CSV-Datei lesen und plotten
+        \end{axis}
+      \end{tikzpicture}
+    \end{center}
+    \caption{Koordianten $x$ und $y$ aus einer CSV-Datei geplottet mit pgfplots.}
+  \end{figure}
+  
 }{}
 
 \IfFileExists{tikz.sty}{