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</pre><pre class="rust"><code><span class="attribute">#[<span class="ident">macro_use</span>]</span>
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">anyhow</span>;
<span class="attribute">#[<span class="ident">macro_use</span>]</span>
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">log</span>;

<span class="kw">use</span> <span class="ident">anyhow::Result</span>;

<span class="kw">use</span> <span class="ident">abstio::MapName</span>;
<span class="kw">use</span> <span class="ident">abstutil</span>::{<span class="ident">Tags</span>, <span class="ident">Timer</span>};
<span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Distance</span>, <span class="ident">FindClosest</span>, <span class="ident">GPSBounds</span>, <span class="ident">LonLat</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>, <span class="ident">Ring</span>};
<span class="kw">use</span> <span class="ident">raw_map</span>::{<span class="ident">osm</span>, <span class="ident">Amenity</span>, <span class="ident">OriginalRoad</span>, <span class="ident">RawMap</span>, <span class="ident">RawRoad</span>};

<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">import_streets</span>::{
    <span class="ident">OnstreetParking</span>, <span class="ident">Options</span>, <span class="ident">PrivateOffstreetParking</span>, <span class="ident">PublicOffstreetParking</span>,
};

<span class="kw">mod</span> <span class="ident">elevation</span>;
<span class="kw">mod</span> <span class="ident">extract</span>;
<span class="kw">mod</span> <span class="ident">gtfs</span>;
<span class="kw">mod</span> <span class="ident">parking</span>;

<span class="doccomment">/// Create a RawMap from OSM and other input data.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">convert</span>(
    <span class="ident">osm_input_path</span>: <span class="ident">String</span>,
    <span class="ident">name</span>: <span class="ident">MapName</span>,
    <span class="ident">clip_path</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span>,
    <span class="ident">opts</span>: <span class="ident">Options</span>,
    <span class="ident">timer</span>: <span class="kw-2">&amp;mut</span> <span class="ident">Timer</span>,
) -&gt; <span class="ident">RawMap</span> {
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">RawMap::blank</span>(<span class="ident">name</span>);
    <span class="comment">// Do this early. Calculating RawRoads uses DrivingSide, for example!</span>
    <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">config</span> <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">map_config</span>.<span class="ident">clone</span>();

    <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">path</span>) <span class="op">=</span> <span class="ident">clip_path</span> {
        <span class="kw">let</span> <span class="ident">pts</span> <span class="op">=</span> <span class="ident">LonLat::read_osmosis_polygon</span>(<span class="ident">path</span>).<span class="ident">unwrap</span>();
        <span class="kw">let</span> <span class="ident">gps_bounds</span> <span class="op">=</span> <span class="ident">GPSBounds::from</span>(<span class="ident">pts</span>.<span class="ident">clone</span>());
        <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">boundary_polygon</span> <span class="op">=</span> <span class="ident">Ring::must_new</span>(<span class="ident">gps_bounds</span>.<span class="ident">convert</span>(<span class="kw-2">&amp;</span><span class="ident">pts</span>)).<span class="ident">into_polygon</span>();
        <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span> <span class="op">=</span> <span class="ident">gps_bounds</span>;
    }

    <span class="kw">let</span> (<span class="ident">extract</span>, <span class="ident">amenity_points</span>) <span class="op">=</span>
        <span class="ident">extract::extract_osm</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>, <span class="kw-2">&amp;</span><span class="ident">osm_input_path</span>, <span class="ident">clip_path</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>, <span class="ident">timer</span>);
    <span class="kw">let</span> <span class="ident">split_output</span> <span class="op">=</span> <span class="ident">import_streets::split_ways::split_up_roads</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">extract</span>, <span class="ident">timer</span>);
    <span class="ident">clip_map</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>, <span class="ident">timer</span>);

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

    <span class="ident">use_amenities</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>, <span class="ident">amenity_points</span>, <span class="ident">timer</span>);

    <span class="ident">parking::apply_parking</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>, <span class="ident">timer</span>);

    <span class="ident">import_streets::use_barrier_nodes</span>(
        <span class="kw-2">&amp;mut</span> <span class="ident">map</span>.<span class="ident">streets</span>,
        <span class="ident">split_output</span>.<span class="ident">barrier_nodes</span>,
        <span class="kw-2">&amp;</span><span class="ident">split_output</span>.<span class="ident">pt_to_road</span>,
    );

    <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">elevation</span> {
        <span class="ident">timer</span>.<span class="ident">start</span>(<span class="string">&quot;add elevation data&quot;</span>);
        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">elevation::add_data</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>) {
            <span class="macro">error!</span>(<span class="string">&quot;No elevation data: {}&quot;</span>, <span class="ident">err</span>);
        }
        <span class="ident">timer</span>.<span class="ident">stop</span>(<span class="string">&quot;add elevation data&quot;</span>);
    }
    <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">path</span>) <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">extra_buildings</span> {
        <span class="ident">add_extra_buildings</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>, <span class="ident">path</span>).<span class="ident">unwrap</span>();
    }

    <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">filter_crosswalks</span> {
        <span class="ident">import_streets::filter_crosswalks</span>(
            <span class="kw-2">&amp;mut</span> <span class="ident">map</span>.<span class="ident">streets</span>,
            <span class="ident">split_output</span>.<span class="ident">crosswalks</span>,
            <span class="ident">split_output</span>.<span class="ident">pt_to_road</span>,
            <span class="ident">timer</span>,
        );
    }

    <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">gtfs_url</span>.<span class="ident">is_some</span>() {
        <span class="ident">gtfs::import</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>).<span class="ident">unwrap</span>();
    }

    <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">name</span> <span class="op">==</span> <span class="ident">MapName::new</span>(<span class="string">&quot;gb&quot;</span>, <span class="string">&quot;bristol&quot;</span>, <span class="string">&quot;east&quot;</span>) {
        <span class="ident">bristol_hack</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>);
    }
    <span class="ident">map</span>
}

<span class="kw">fn</span> <span class="ident">use_amenities</span>(<span class="ident">map</span>: <span class="kw-2">&amp;mut</span> <span class="ident">RawMap</span>, <span class="ident">amenities</span>: <span class="ident">Vec</span><span class="op">&lt;</span>(<span class="ident">Pt2D</span>, <span class="ident">Amenity</span>)<span class="op">&gt;</span>, <span class="ident">timer</span>: <span class="kw-2">&amp;mut</span> <span class="ident">Timer</span>) {
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">closest</span>: <span class="ident">FindClosest</span><span class="op">&lt;</span><span class="ident">osm::OsmID</span><span class="op">&gt;</span> <span class="op">=</span>
        <span class="ident">FindClosest::new</span>(<span class="kw-2">&amp;</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span>.<span class="ident">to_bounds</span>());
    <span class="kw">for</span> (<span class="ident">id</span>, <span class="ident">b</span>) <span class="kw">in</span> <span class="kw-2">&amp;</span><span class="ident">map</span>.<span class="ident">buildings</span> {
        <span class="ident">closest</span>.<span class="ident">add</span>(<span class="kw-2">*</span><span class="ident">id</span>, <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">points</span>());
    }

    <span class="ident">timer</span>.<span class="ident">start_iter</span>(<span class="string">&quot;match building amenities&quot;</span>, <span class="ident">amenities</span>.<span class="ident">len</span>());
    <span class="kw">for</span> (<span class="ident">pt</span>, <span class="ident">amenity</span>) <span class="kw">in</span> <span class="ident">amenities</span> {
        <span class="ident">timer</span>.<span class="ident">next</span>();
        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">id</span>, <span class="kw">_</span>)) <span class="op">=</span> <span class="ident">closest</span>.<span class="ident">closest_pt</span>(<span class="ident">pt</span>, <span class="ident">Distance::meters</span>(<span class="number">50.0</span>)) {
            <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">get_mut</span>(<span class="kw-2">&amp;</span><span class="ident">id</span>).<span class="ident">unwrap</span>();
            <span class="kw">if</span> <span class="ident">b</span>.<span class="ident">polygon</span>.<span class="ident">contains_pt</span>(<span class="ident">pt</span>) {
                <span class="ident">b</span>.<span class="ident">amenities</span>.<span class="ident">push</span>(<span class="ident">amenity</span>);
            }
        }
    }
}

<span class="kw">fn</span> <span class="ident">add_extra_buildings</span>(<span class="ident">map</span>: <span class="kw-2">&amp;mut</span> <span class="ident">RawMap</span>, <span class="ident">path</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) -&gt; <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">require_in_bounds</span> <span class="op">=</span> <span class="bool-val">true</span>;
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">id</span> <span class="op">=</span> <span class="op">-</span><span class="number">1</span>;
    <span class="kw">for</span> (<span class="ident">polygon</span>, <span class="kw">_</span>) <span class="kw">in</span> <span class="ident">Polygon::from_geojson_bytes</span>(
        <span class="kw-2">&amp;</span><span class="ident">abstio::slurp_file</span>(<span class="ident">path</span>)<span class="question-mark">?</span>,
        <span class="kw-2">&amp;</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">gps_bounds</span>,
        <span class="ident">require_in_bounds</span>,
    )<span class="question-mark">?</span> {
        <span class="comment">// Add these as new buildings, generating a new dummy OSM ID.</span>
        <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">insert</span>(
            <span class="ident">osm::OsmID::Way</span>(<span class="ident">osm::WayID</span>(<span class="ident">id</span>)),
            <span class="ident">raw_map::RawBuilding</span> {
                <span class="ident">polygon</span>,
                <span class="ident">osm_tags</span>: <span class="ident">Tags::empty</span>(),
                <span class="ident">public_garage_name</span>: <span class="prelude-val">None</span>,
                <span class="ident">num_parking_spots</span>: <span class="number">1</span>,
                <span class="ident">amenities</span>: <span class="ident">Vec::new</span>(),
            },
        );
        <span class="comment">// We could use new_osm_way_id, but faster to just assume we&#39;re the only place introducing</span>
        <span class="comment">// new OSM IDs.</span>
        <span class="ident">id</span> <span class="op">-</span><span class="op">=</span> <span class="op">-</span><span class="number">1</span>;
    }
    <span class="prelude-val">Ok</span>(())
}

<span class="comment">// We&#39;re using Bristol for a project that requires an unusual LTN neighborhood boundary. Insert a</span>
<span class="comment">// fake road where a bridge crosses another road, to force blockfinding to trace along there.</span>
<span class="kw">fn</span> <span class="ident">bristol_hack</span>(<span class="ident">map</span>: <span class="kw-2">&amp;mut</span> <span class="ident">RawMap</span>) {
    <span class="kw">let</span> <span class="ident">osm_way_id</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">new_osm_way_id</span>(<span class="op">-</span><span class="number">1</span>);
    <span class="kw">let</span> <span class="ident">i1</span> <span class="op">=</span> <span class="ident">osm::NodeID</span>(<span class="number">364061012</span>);
    <span class="kw">let</span> <span class="ident">i2</span> <span class="op">=</span> <span class="ident">osm::NodeID</span>(<span class="number">1215755208</span>);
    <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">OriginalRoad</span> { <span class="ident">osm_way_id</span>, <span class="ident">i1</span>, <span class="ident">i2</span> };
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tags</span> <span class="op">=</span> <span class="ident">Tags::empty</span>();
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;highway&quot;</span>, <span class="string">&quot;service&quot;</span>);
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;name&quot;</span>, <span class="string">&quot;Fake road&quot;</span>);
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;oneway&quot;</span>, <span class="string">&quot;yes&quot;</span>);
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;sidewalk&quot;</span>, <span class="string">&quot;none&quot;</span>);
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;lanes&quot;</span>, <span class="string">&quot;1&quot;</span>);
    <span class="comment">// TODO The LTN pathfinding tool will try to use this road. Discourage that heavily. It&#39;d be</span>
    <span class="comment">// safer to mark this as under construction, but then blockfinding wouldn&#39;t treat it as a</span>
    <span class="comment">// boundary.</span>
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;maxspeed&quot;</span>, <span class="string">&quot;1 mph&quot;</span>);
    <span class="ident">tags</span>.<span class="ident">insert</span>(<span class="string">&quot;bicycle&quot;</span>, <span class="string">&quot;no&quot;</span>);

    <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">roads</span>.<span class="ident">insert</span>(
        <span class="ident">id</span>,
        <span class="ident">RawRoad::new</span>(
            <span class="macro">vec!</span>[
                <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">intersections</span>[<span class="kw-2">&amp;</span><span class="ident">i1</span>].<span class="ident">point</span>,
                <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">intersections</span>[<span class="kw-2">&amp;</span><span class="ident">i2</span>].<span class="ident">point</span>,
            ],
            <span class="ident">tags</span>,
            <span class="kw-2">&amp;</span><span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">config</span>,
        )
        .<span class="ident">unwrap</span>(),
    );
}

<span class="kw">fn</span> <span class="ident">clip_map</span>(<span class="ident">map</span>: <span class="kw-2">&amp;mut</span> <span class="ident">RawMap</span>, <span class="ident">timer</span>: <span class="kw-2">&amp;mut</span> <span class="ident">Timer</span>) {
    <span class="ident">import_streets::clip::clip_map</span>(<span class="kw-2">&amp;mut</span> <span class="ident">map</span>.<span class="ident">streets</span>, <span class="ident">timer</span>);

    <span class="kw">let</span> <span class="ident">boundary_polygon</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">streets</span>.<span class="ident">boundary_polygon</span>.<span class="ident">clone</span>();

    <span class="ident">map</span>.<span class="ident">buildings</span>.<span class="ident">retain</span>(<span class="op">|</span><span class="kw">_</span>, <span class="ident">b</span><span class="op">|</span> {
        <span class="ident">b</span>.<span class="ident">polygon</span>
            .<span class="ident">points</span>()
            .<span class="ident">iter</span>()
            .<span class="ident">all</span>(<span class="op">|</span><span class="ident">pt</span><span class="op">|</span> <span class="ident">boundary_polygon</span>.<span class="ident">contains_pt</span>(<span class="kw-2">*</span><span class="ident">pt</span>))
    });

    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result_areas</span> <span class="op">=</span> <span class="ident">Vec::new</span>();
    <span class="kw">for</span> <span class="ident">orig_area</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">areas</span>.<span class="ident">drain</span>(..) {
        <span class="kw">for</span> <span class="ident">polygon</span> <span class="kw">in</span> <span class="ident">map</span>
            .<span class="ident">streets</span>
            .<span class="ident">boundary_polygon</span>
            .<span class="ident">intersection</span>(<span class="kw-2">&amp;</span><span class="ident">orig_area</span>.<span class="ident">polygon</span>)
        {
            <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">area</span> <span class="op">=</span> <span class="ident">orig_area</span>.<span class="ident">clone</span>();
            <span class="ident">area</span>.<span class="ident">polygon</span> <span class="op">=</span> <span class="ident">polygon</span>;
            <span class="ident">result_areas</span>.<span class="ident">push</span>(<span class="ident">area</span>);
        }
    }
    <span class="ident">map</span>.<span class="ident">areas</span> <span class="op">=</span> <span class="ident">result_areas</span>;

    <span class="comment">// TODO Don&#39;t touch parking lots. It&#39;ll be visually obvious if a clip intersects one of these.</span>
    <span class="comment">// The boundary should be manually adjusted.</span>
}
</code></pre></div>
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