From 73be14bd67d4857b14aca3427d98db78d8afb202 Mon Sep 17 00:00:00 2001
From: Martin Thoma <info@martin-thoma.de>
Date: Mon, 4 Jul 2016 17:27:11 +0200
Subject: [PATCH] Mention requirements

---
 tikz/gpx-gps-elevation-chart-generator/README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tikz/gpx-gps-elevation-chart-generator/README.md b/tikz/gpx-gps-elevation-chart-generator/README.md
index 514ca19..3616c8c 100644
--- a/tikz/gpx-gps-elevation-chart-generator/README.md
+++ b/tikz/gpx-gps-elevation-chart-generator/README.md
@@ -3,5 +3,16 @@ Compiled example
 ![Example](elevation-chart.png)
 
 
+## Requirements
+
+You need `gpxpy`. Install it via
+
+```bash
+$ pip install gpxpy --user
+```
+
+
+## Run
+
 Run `python elevation_chart_gen.py -f ../Downloads/Jul_3,_2016_12_52_51.gpx` to
 generate the `data.csv`. Then run `make` to generate the chart.
\ No newline at end of file