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handling the giant ocean polygon. actually easier after earlier!

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This commit is contained in:
Dustin Carlino 2019-10-25 22:44:21 -07:00
parent e0bb2f97e0
commit 9a3e7dc758
1 changed files with 14 additions and 0 deletions
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14
convert_osm/src/osm_reader.rs
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@ -64,6 +64,7 @@ pub fn extract_osm(
}
}
let mut coastline_groups: Vec<Vec<Pt2D>> = Vec::new();
timer.start_iter("processing OSM ways", doc.ways.len());
for way in doc.ways.values() {
timer.next();
@ -152,6 +153,8 @@ pub fn extract_osm(
polygon: Polygon::new(&pts),
osm_tags: tags,
});
} else if tags.get("natural") == Some(&"coastline".to_string()) {
coastline_groups.push(pts);
} else {
// The way might be part of a relation later.
id_to_way.insert(way.id, pts);
@ -239,6 +242,17 @@ pub fn extract_osm(
}
}
// Special case the coastline.
println!("{} ways of coastline", coastline_groups.len());
for polygon in glue_multipolygon(-1, coastline_groups, &boundary) {
map.areas.push(RawArea {
area_type: AreaType::Water,
osm_id: -1,
polygon,
osm_tags: BTreeMap::new(),
});
}
(map, roads, traffic_signals, osm_node_ids, turn_restrictions)
}