Adds convenience scripts to download coastline and landuse data, see #720 (#723)

README.md

@@ -50,10 +50,6 @@ tilemaker keeps everything in RAM by default. To process large areas without run
 
     tilemaker /path/to/your/input.osm.pbf /path/to/your/output.mbtiles --store /path/to/your/ssd
 
-To include sea tiles, create a directory called `coastline` in the same place you're running tilemaker from, and then save the files from https://osmdata.openstreetmap.de/download/water-polygons-split-4326.zip in it, such that tilemaker can find a file at `coastline/water_polygons.shp`.
-
-_(If you want to include optional small-scale landcover, create a `landcover` directory, and download the appropriate 10m files from 'Features' at https://www.naturalearthdata.com so that you have `landcover/ne_10m_antarctic_ice_shelves_polys/ne_10m_antarctic_ice_shelves_polys.shp`, `landcover/ne_10m_urban_areas/ne_10m_urban_areas.shp`, `landcover/ne_10m_glaciated_areas/ne_10m_glaciated_areas.shp`.)_
-
 Then, to serve your tiles using the demonstration server:
 
     cd server
@@ -61,6 +57,17 @@ Then, to serve your tiles using the demonstration server:
 
 You can now navigate to http://localhost:8080/ and see your map!
 
+## Coastline and Landcover
+
+To include sea tiles and small-scale landcover, run
+
+    ./get-coastline.sh
+    ./get-landcover.sh
+
+This will download coastline and landcover data; you will need around 2GB disk space.
+
+Have a look at the coastline and landcover example in the [`resources/`](./resources) directory.
+
 ## Your own configuration
 
 Vector tiles contain (generally thematic) 'layers'. For example, your tiles might contain river, cycleway and railway layers. It's up to you what OSM data goes into each layer. You configure this in tilemaker with two files:

get-coastline.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+mkdir -p coastline
+pushd coastline
+
+if ! [ -f "water-polygons-split-4326.zip" ]; then
+  curl --proto '=https' --tlsv1.3 -sSfO https://osmdata.openstreetmap.de/download/water-polygons-split-4326.zip
+fi
+
+unzip -o -j water-polygons-split-4326.zip
+
+popd

get-landcover.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+mkdir -p landcover
+pushd landcover
+
+if ! [ -f "ne_10m_antarctic_ice_shelves_polys.zip" ]; then
+  curl --proto '=https' --tlsv1.3 -sSfO https://naciscdn.org/naturalearth/10m/physical/ne_10m_antarctic_ice_shelves_polys.zip
+fi
+
+if ! [ -f "ne_10m_urban_areas.zip" ]; then
+  curl --proto '=https' --tlsv1.3 -sSfO https://naciscdn.org/naturalearth/10m/cultural/ne_10m_urban_areas.zip
+fi
+
+if ! [ -f "ne_10m_glaciated_areas.zip" ]; then
+  curl --proto '=https' --tlsv1.3 -sSfO https://naciscdn.org/naturalearth/10m/physical/ne_10m_glaciated_areas.zip
+fi
+
+mkdir -p ne_10m_antarctic_ice_shelves_polys
+unzip -o ne_10m_antarctic_ice_shelves_polys.zip -d ne_10m_antarctic_ice_shelves_polys
+
+mkdir -p ne_10m_urban_areas
+unzip -o ne_10m_urban_areas.zip -d ne_10m_urban_areas
+
+mkdir -p ne_10m_glaciated_areas
+unzip -o ne_10m_glaciated_areas.zip -d ne_10m_glaciated_areas
+
+popd

get-monaco.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+if ! [ -f "monaco-latest.osm.pbf" ]; then
+  curl --proto '=https' --tlsv1.3 -sSfO https://download.geofabrik.de/europe/monaco-latest.osm.pbf
+fi