From 8ed3e24b17c43f913ee860a311191310fa664583 Mon Sep 17 00:00:00 2001
From: Luke Murphy <lukewm@riseup.net>
Date: Sun, 5 Jan 2020 12:05:45 +0100
Subject: [PATCH] Write something about GDAL

---
 README.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/README.md b/README.md
index 2e05811..a9e8749 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,26 @@ $ source .venv/bin/activate
 $ pip install -r requirements.txt
 ```
 
+### The curious case of GDAL
+
+It's really hard to install GDAL. We need it to generate the tiles for the map.
+Here is one way to do it but you might run into problems and need to research a
+bit.
+
+```bash
+$ sudo apt install -y libgdal-dev
+$ pip install pygdal=="`gdal-config --version`.*"
+$ pip install gdal2tiles
+```
+
+And then it should be possible to run the tile generation.
+
+```bash
+$ gdal2tiles.py -l -p raster -z 0-5 -w none tiles2
+```
+
+You may need to use `python gdal2tiles.py` instead?
+
 ### Run the server
 
 ```bash