diff --git a/convert_osm/src/lib.rs b/convert_osm/src/lib.rs
index 26d9a5b2d3..b332b6a2fb 100644
--- a/convert_osm/src/lib.rs
+++ b/convert_osm/src/lib.rs
@@ -36,8 +36,8 @@ pub struct Flags {
     #[structopt(long = "residential_buildings")]
     pub residential_buildings: String,
 
-    /// ExtraShapes file with parcels, produced using the kml crate
-    #[structopt(long = "parcels")]
+    /// ExtraShapes file with parcels, produced using the kml crate. Optional.
+    #[structopt(long = "parcels", default_value = "")]
     pub parcels: String,
 
     /// ExtraShapes file with blockface, produced using the kml crate
@@ -80,7 +80,9 @@ pub fn convert(flags: &Flags, timer: &mut abstutil::Timer) -> raw_data::Map {
 
     handle_residences(&mut map, &gps_bounds, &flags.residential_buildings, timer);
     use_parking_hints(&mut map, &gps_bounds, &flags.parking_shapes, timer);
-    handle_parcels(&mut map, &gps_bounds, &flags.parcels, timer);
+    if !flags.parcels.is_empty() {
+        handle_parcels(&mut map, &gps_bounds, &flags.parcels, timer);
+    }
     handle_traffic_signals(&mut map, &gps_bounds, &flags.traffic_signals, timer);
     map.bus_routes = gtfs::load(&flags.gtfs).unwrap();
 
diff --git a/convert_osm/src/osm.rs b/convert_osm/src/osm.rs
index bb6c3ef0f7..148ef4e34b 100644
--- a/convert_osm/src/osm.rs
+++ b/convert_osm/src/osm.rs
@@ -182,6 +182,9 @@ fn get_area_type(tags: &BTreeMap<String, String>) -> Option<AreaType> {
     if tags.get("leisure") == Some(&"park".to_string()) {
         return Some(AreaType::Park);
     }
+    if tags.get("leisure") == Some(&"golf_course".to_string()) {
+        return Some(AreaType::Park);
+    }
     if tags.get("natural") == Some(&"wood".to_string()) {
         return Some(AreaType::Park);
     }
diff --git a/import_and_precompute.sh b/import_and_precompute.sh
new file mode 100755
index 0000000000..99df68b7cb
--- /dev/null
+++ b/import_and_precompute.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -e
+
+release_mode=""
+name=""
+
+for arg in "$@"; do
+	if [ "$arg" == "--release" ]; then
+		release_mode="--release";
+	else
+		name=$arg;
+	fi
+done
+if [ "$name" == "" ]; then
+	echo "Pass a map name";
+	exit;
+fi
+
+# TODO Argh, copied code! Need to detangle all the scripts.
+
+rm -rf data/neighborhoods/$name data/maps/${name}_*.abst;
+
+cd convert_osm;
+# Note the lack of parcels
+RUST_BACKTRACE=1 cargo run $release_mode -- \
+	--osm=../data/input/$name.osm \
+	--elevation=../data/input/N47W122.hgt \
+	--traffic_signals=../data/input/traffic_signals.kml \
+	--residential_buildings=../data/input/residential_buildings.kml \
+	--parking_shapes=../data/shapes/blockface \
+	--gtfs=../data/input/google_transit_2018_18_08 \
+	--neighborhoods=../data/input/neighborhoods.geojson \
+	--clip=../data/polygons/$name.poly \
+	--output=../data/raw_maps/$name.abst
+
+cd ../precompute;
+RUST_BACKTRACE=1 cargo run $release_mode ../data/raw_maps/$name.abst --edits_name=no_edits;