1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171

#[macro_use]
extern crate anyhow;
#[macro_use]
extern crate log;

use anyhow::Result;

use abstio::MapName;
use abstutil::{Tags, Timer};
use geom::{Distance, FindClosest, GPSBounds, LonLat, Polygon, Pt2D, Ring};
use map_model::raw::RawMap;
use map_model::{osm, raw, Amenity, MapConfig};
use serde::{Deserialize, Serialize};

mod clip;
mod elevation;
mod extract;
pub mod osm_geom;
mod parking;
pub mod reader;
mod snappy;
mod split_ways;
mod transit;

pub struct Options {
    pub osm_input: String,
    pub name: MapName,

    /// The path to an osmosis boundary polygon. Highly recommended.
    pub clip: Option<String>,
    pub map_config: MapConfig,

    pub onstreet_parking: OnstreetParking,
    pub public_offstreet_parking: PublicOffstreetParking,
    pub private_offstreet_parking: PrivateOffstreetParking,
    /// OSM railway=rail will be included as light rail if so. Cosmetic only.
    pub include_railroads: bool,
    /// If provided, read polygons from this GeoJSON file and add them to the RawMap as buildings.
    pub extra_buildings: Option<String>,
}

/// What roads will have on-street parking lanes? Data from
/// <https://wiki.openstreetmap.org/wiki/Key:parking:lane> is always used if available.
#[derive(Clone, Serialize, Deserialize)]
pub enum OnstreetParking {
    /// If not tagged, there won't be parking.
    JustOSM,
    /// If OSM data is missing, then try to match data from
    /// <http://data-seattlecitygis.opendata.arcgis.com/datasets/blockface>. This is Seattle specific.
    Blockface(String),
    /// If OSM data is missing, then infer parking lanes on some percentage of
    /// "highway=residential" roads.
    SomeAdditionalWhereNoData {
        /// [0, 100]
        pct: usize,
    },
}

/// How many spots are available in public parking garages?
#[derive(Clone, Serialize, Deserialize)]
pub enum PublicOffstreetParking {
    None,
    /// Pull data from
    /// <https://data-seattlecitygis.opendata.arcgis.com/datasets/public-garages-or-parking-lots>, a
    /// Seattle-specific data source.
    Gis(String),
}

/// If a building doesn't have anything from public_offstreet_parking and isn't tagged as a garage
/// in OSM, how many private spots should it have?
#[derive(Clone, Serialize, Deserialize)]
pub enum PrivateOffstreetParking {
    FixedPerBldg(usize),
    // TODO Based on the number of residents?
}

pub fn convert(opts: Options, timer: &mut abstutil::Timer) -> RawMap {
    let mut map = RawMap::blank(opts.name.clone());
    if let Some(ref path) = opts.clip {
        let pts = LonLat::read_osmosis_polygon(path).unwrap();
        let gps_bounds = GPSBounds::from(pts.clone());
        map.boundary_polygon = Ring::must_new(gps_bounds.convert(&pts)).into_polygon();
        map.gps_bounds = gps_bounds;
    }

    let extract = extract::extract_osm(&mut map, &opts, timer);
    let (amenities, pt_to_road) = split_ways::split_up_roads(&mut map, extract, timer);
    clip::clip_map(&mut map, timer);

    // Need to do a first pass of removing cul-de-sacs here, or we wind up with loop PolyLines when
    // doing the parking hint matching.
    map.roads.retain(|r, _| r.i1 != r.i2);

    let all_routes = map.bus_routes.drain(..).collect::<Vec<_>>();
    let mut routes = Vec::new();
    for route in all_routes {
        let name = format!("{} ({})", route.osm_rel_id, route.full_name);
        match transit::snap_bus_stops(route, &mut map, &pt_to_road) {
            Ok(r) => {
                routes.push(r);
            }
            Err(err) => {
                error!("Skipping {}: {}", name, err);
            }
        }
    }
    map.bus_routes = routes;

    use_amenities(&mut map, amenities, timer);

    parking::apply_parking(&mut map, &opts, timer);

    // TODO Make this bail out on failure, after the new dependencies are clearly explained.
    timer.start("add elevation data");
    if let Err(err) = elevation::add_data(&mut map) {
        error!("No elevation data: {}", err);
    }
    timer.stop("add elevation data");
    if let Some(ref path) = opts.extra_buildings {
        add_extra_buildings(&mut map, path).unwrap();
    }

    snappy::snap_cycleways(&map, timer);

    map.config = opts.map_config;
    map
}

fn use_amenities(map: &mut RawMap, amenities: Vec<(Pt2D, Amenity)>, timer: &mut Timer) {
    let mut closest: FindClosest<osm::OsmID> = FindClosest::new(&map.gps_bounds.to_bounds());
    for (id, b) in &map.buildings {
        closest.add(*id, b.polygon.points());
    }

    timer.start_iter("match building amenities", amenities.len());
    for (pt, amenity) in amenities {
        timer.next();
        if let Some((id, _)) = closest.closest_pt(pt, Distance::meters(50.0)) {
            let b = map.buildings.get_mut(&id).unwrap();
            if b.polygon.contains_pt(pt) {
                b.amenities.push(amenity);
            }
        }
    }
}

fn add_extra_buildings(map: &mut RawMap, path: &str) -> Result<()> {
    let require_in_bounds = true;
    let mut id = -1;
    for (polygon, _) in Polygon::from_geojson_bytes(
        &abstio::slurp_file(path)?,
        &map.gps_bounds,
        require_in_bounds,
    )? {
        // Add these as new buildings, generating a new dummy OSM ID.
        map.buildings.insert(
            osm::OsmID::Way(osm::WayID(id)),
            raw::RawBuilding {
                polygon,
                osm_tags: Tags::empty(),
                public_garage_name: None,
                num_parking_spots: 1,
                amenities: Vec::new(),
            },
        );
        // We could use new_osm_way_id, but faster to just assume we're the only place introducing
        // new OSM IDs.
        id -= -1;
    }
    Ok(())
}