routers 0.2.7

Rust-Based Routing Tooling for System-Agnostic Maps.
Documentation 
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232

use crate::transition::Trip;
use routers_codec::osm::OsmEntryId;

use approx::assert_relative_eq;
use geo::wkt;
use routers_network::Node;

const SHARED_DISTANCE: f64 = 900.0;

#[test]
fn test_trip() {
    use geo::Point;

    let nodes: Vec<Node<OsmEntryId>> = vec![
        Node::new(Point::new(0.0, 0.0), OsmEntryId::null()),
        Node::new(Point::new(0.0, 1.0), OsmEntryId::null()),
        Node::new(Point::new(1.0, 1.0), OsmEntryId::null()),
        Node::new(Point::new(1.0, 0.0), OsmEntryId::null()),
        Node::new(Point::new(1.0, -1.0), OsmEntryId::null()),
    ];

    let trip = Trip::from(nodes);

    let angles = trip.headings();
    assert_relative_eq!(angles[0], 0.0);
    assert_relative_eq!(angles[1], 90.0, max_relative = 1.0);
    assert_relative_eq!(angles[2], 180.0);
    assert_relative_eq!(angles[3], 180.0);

    assert_relative_eq!(trip.total_angle(), 180.0);
}

#[test]
fn validate_segment() {
    let linestring = wkt! {
        LINESTRING (-118.618033 34.166292, -118.623419 34.164641, -118.626895 34.163434)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()))
        .collect::<Vec<_>>();

    let trip = Trip::from(nodes);

    let angle = trip.total_angle();
    assert_relative_eq!(angle, 2.44, max_relative = 0.1);

    let imm_angle = trip.immediate_angle().abs();
    assert_relative_eq!(imm_angle, 0.81, max_relative = 0.1);

    let exp_angle = trip.angular_complexity();
    assert_relative_eq!(exp_angle, 0.95, max_relative = 0.1);
}

#[test]
fn validate_turning_path() {
    let linestring = wkt! {
        LINESTRING (-118.61829 34.166594, -118.623312 34.164996, -118.62329 34.164073, -118.624127 34.163896, -118.624449 34.163736, -118.625554 34.163461, -118.625929 34.163327, -118.626637 34.162928)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));

    let trip = Trip::new(nodes);

    let angle = trip.total_angle();
    assert_relative_eq!(angle, 195.30, max_relative = 0.1);

    let imm_angle = trip.immediate_angle().abs();
    assert_relative_eq!(imm_angle, 24.41, max_relative = 0.1);

    let exp_angle = trip.angular_complexity();
    assert_relative_eq!(exp_angle, 0.76, max_relative = 0.1);
}

#[test]
fn validate_uturn_expensive() {
    let linestring = wkt! {
        LINESTRING (-118.509833 34.170873, -118.505648 34.170891, -118.51406 34.170908, -118.509849 34.170926, -118.509865 34.172293)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));

    let trip = Trip::new(nodes);

    let length = trip.length();
    assert_relative_eq!(length, 1698.0, max_relative = 0.1);

    let angle = trip.total_angle();
    assert_relative_eq!(angle, 449.40, max_relative = 0.1);

    // Discouragingly complex
    let imm_angle = trip.angular_complexity();
    assert_relative_eq!(imm_angle, 0., max_relative = 0.1);
}

#[test]
fn validate_through_lower_cost() {
    let linestring_through_trip = wkt! {
        LINESTRING (-118.236761 33.945685, -118.236447 33.945696, -118.236341 33.945703, -118.23623 33.945723, -118.236133 33.945751, -118.236041 33.945797, -118.235908 33.945868, -118.235774 33.94596, -118.235509 33.946225, -118.235419 33.946304, -118.235322 33.946382, -118.235192 33.946447, -118.235031 33.946503, -118.234928 33.946525, -118.234797 33.946538, -118.234501 33.946542)
    };

    let linestring_around_trip = wkt! {
        LINESTRING (-118.236761 33.945685, -118.236759 33.946891, -118.236759 33.946891, -118.236758 33.947095, -118.235875 33.947112, -118.235546 33.947118, -118.235546 33.947118, -118.234899 33.947131, -118.234483 33.947139, -118.234501 33.946542)
    };

    let nodes = linestring_through_trip
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let through = Trip::new(nodes);

    let nodes = linestring_around_trip
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let around = Trip::new(nodes);

    const SHARED_DISTANCE: f64 = 227.;

    let imm_angle = around.angular_complexity();
    assert_relative_eq!(imm_angle, 0.56, max_relative = 0.1);

    let imm_angle = through.angular_complexity();
    assert_relative_eq!(imm_angle, 0.99, max_relative = 0.1);

    let len = around.length();
    assert_relative_eq!(len, 433.0, max_relative = 0.1);

    let len = through.length();
    assert_relative_eq!(len, 241.52, max_relative = 0.1);
}

#[test]
fn validate_slip_road_optimality() {
    use crate::transition::Trip;

    let linestring_sliproad = wkt! {
        LINESTRING (-118.138707 33.917051, -118.13859 33.917027, -118.138402 33.916998, -118.138172 33.916897, -118.138106 33.916837, -118.138078 33.916778, -118.138076 33.916697, -118.138251 33.916449, -118.138268 33.916424)
    };

    let linestring_around = wkt! {
        LINESTRING (-118.138707 33.917051, -118.13859 33.917027, -118.138402 33.916998, -118.138174 33.916984, -118.137992 33.916977, -118.137992 33.916977, -118.137881 33.916973, -118.138076 33.916697, -118.138251 33.916449, -118.138273 33.916417)
    };

    let nodes = linestring_sliproad
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let sliproad = Trip::new(nodes);

    let nodes = linestring_around
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let around = Trip::new(nodes);

    const SHARED_DISTANCE: f64 = 90.;

    let tot_angle = sliproad.total_angle();
    assert_relative_eq!(tot_angle, 114.1, max_relative = 0.1);

    let tot_angle = around.total_angle();
    assert_relative_eq!(tot_angle, 129.97, max_relative = 0.1);

    let imm_angle = around.angular_complexity();
    assert_relative_eq!(imm_angle, 0.0, max_relative = 0.1);

    let imm_angle = sliproad.angular_complexity();
    assert_relative_eq!(imm_angle, 0.96, max_relative = 0.1);

    let len = around.length();
    assert_relative_eq!(len, 148.5, max_relative = 0.1);

    let len = sliproad.length();
    assert_relative_eq!(len, 113.0, max_relative = 0.1);
}

#[test]
fn analyse_cost() {
    let linestring = wkt! {
        LINESTRING(151.18064990000005 -33.905052799999986,151.18070819999963 -33.905169800000344,151.18070819999963 -33.905169800000344,151.18086930000004 -33.9055141,151.18086930000004 -33.9055141,151.18090719999984 -33.90559339999998,151.18090719999984 -33.90559339999998,151.18094959999962 -33.90568200000043,151.18094959999962 -33.90568200000043,151.18103189999988 -33.90585909999962,151.18103189999988 -33.90585909999962,151.18104849999983 -33.90589269999998,151.18104849999983 -33.90589269999998,151.18106179999984 -33.90591879999998,151.18106179999984 -33.90591879999998,151.1813739999998 -33.90660519999986,151.1813739999998 -33.90660519999986,151.1813864999998 -33.90663029999992,151.1813864999998 -33.90663029999992,151.1814165999996 -33.90669080000043,151.1814165999996 -33.90669080000043,151.1814724999998 -33.906742999999864,151.1814724999998 -33.906742999999864,151.1814967999998 -33.906765699999916,151.1814967999998 -33.906765699999916,151.18154590000012 -33.90686859999996,151.18154590000012 -33.90686859999996,151.18155790000014 -33.90692399999996,151.18155790000014 -33.90692399999996,151.18157819999982 -33.90703049999995,151.18157819999982 -33.90703049999995,151.18157960000013 -33.907060299999955,151.18157960000013 -33.907060299999955,151.18158290000014 -33.90712769999996,151.18158290000014 -33.90712769999996,151.1815839000002 -33.90718219999998,151.1815839000002 -33.90718219999998,151.18144600000016 -33.907155299999964,151.18144600000016 -33.907155299999964,151.1814532000003 -33.90706179999995)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let trip = Trip::new(nodes);

    let complexity = trip.angular_complexity();
    assert_relative_eq!(complexity, 0.68, max_relative = 0.1);
}

#[test]
fn analyse_cost2() {
    let linestring = wkt! {
        LINESTRING(151.18064990000005 -33.905052799999986,151.18070819999963 -33.905169800000344,151.18070819999963 -33.905169800000344,151.18086930000004 -33.9055141,151.18086930000004 -33.9055141,151.18090719999984 -33.90559339999998,151.18090719999984 -33.90559339999998,151.18094959999962 -33.90568200000043,151.18094959999962 -33.90568200000043,151.18103189999988 -33.90585909999962,151.18103189999988 -33.90585909999962,151.18104849999983 -33.90589269999998,151.18104849999983 -33.90589269999998,151.18106179999984 -33.90591879999998,151.18106179999984 -33.90591879999998,151.1813739999998 -33.90660519999986,151.1813739999998 -33.90660519999986,151.1813864999998 -33.90663029999992,151.1813864999998 -33.90663029999992,151.1814165999996 -33.90669080000043,151.1814165999996 -33.90669080000043,151.1814724999998 -33.906742999999864,151.1814724999998 -33.906742999999864,151.1814967999998 -33.906765699999916,151.1814967999998 -33.906765699999916,151.18154590000012 -33.90686859999996,151.18154590000012 -33.90686859999996,151.1816426000002 -33.90698009999998,151.1816426000002 -33.90698009999998,151.1816914000002 -33.907027399999976,151.1816914000002 -33.907027399999976,151.18171760000018 -33.90704789999998,151.18171760000018 -33.90704789999998,151.1817446000003 -33.90706209999995,151.1817446000003 -33.90706209999995,151.18178040000018 -33.907072599999964,151.18178040000018 -33.907072599999964,151.1819206000004 -33.907030799999774,151.1819206000004 -33.907030799999774,151.18205480000015 -33.90698719999997,151.18205480000015 -33.90698719999997,151.18217080000042 -33.90696129999977,151.18217080000042 -33.90696129999977,151.18228580000016 -33.906941999999965,151.18228580000016 -33.906941999999965,151.1824249000004 -33.90692949999978,151.1824249000004 -33.90692949999978,151.18254500000015 -33.906928599999965,151.18254500000015 -33.906928599999965,151.18263230000025 -33.9069372000001,151.18263230000025 -33.9069372000001,151.1826744000002 -33.90694129999998,151.1826744000002 -33.90694129999998,151.18286189999984 -33.90696769999995,151.18286189999984 -33.90696769999995,151.18306010000015 -33.90699009999996,151.18306010000015 -33.90699009999996,151.18327180000017 -33.90703279999996,151.18327180000017 -33.90703279999996,151.18302770000017 -33.90703229999996,151.18302770000017 -33.90703229999996,151.18282790000018 -33.90702669999997,151.18282790000018 -33.90702669999997,151.18269839999982 -33.90702639999995,151.18269839999982 -33.90702639999995,151.18256139999983 -33.90703109999995,151.18256139999983 -33.90703109999995,151.18242359999982 -33.90703949999995,151.18242359999982 -33.90703949999995,151.18226560000016 -33.90705399999996,151.18226560000016 -33.90705399999996,151.18211229999983 -33.90706109999995,151.18211229999983 -33.90706109999995,151.18203139999986 -33.90707569999995,151.18203139999986 -33.90707569999995,151.1819356000002 -33.90710009999998,151.1819356000002 -33.90710009999998,151.18185060000016 -33.90712689999996,151.18185060000016 -33.90712689999996,151.18169679999983 -33.90717059999995)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let trip = Trip::new(nodes);

    let complexity = trip.angular_complexity();
    assert_relative_eq!(complexity, 0., max_relative = 0.1);
}

#[test]
fn analyse_cost3() {
    let linestring = wkt! {
        LINESTRING(151.19106219999895 -33.90324030000019,151.19114050000033 -33.903136900000014,151.19114050000033 -33.903136900000014,151.19112239999896 -33.9031260000002,151.19112239999896 -33.9031260000002,151.19110859999896 -33.9031113000002,151.19110859999896 -33.9031113000002,151.19110030000027 -33.903094000000024,151.19110030000027 -33.903094000000024,151.19109809999895 -33.9030754000002,151.19109809999895 -33.9030754000002,151.19110220000033 -33.90305710000001,151.19110220000033 -33.90305710000001,151.19111220000025 -33.90304050000002,151.19111220000025 -33.90304050000002,151.19112969999895 -33.903025300000195,151.19112969999895 -33.903025300000195,151.19115199999897 -33.90301540000019,151.19115199999897 -33.90301540000019,151.19117699999896 -33.90301180000019,151.19117699999896 -33.90301180000019,151.19120200000032 -33.903014900000024,151.19120200000032 -33.903014900000024,151.1912246000003 -33.90302430000003,151.1912246000003 -33.90302430000003,151.19124260000027 -33.90303910000002,151.19124260000027 -33.90303910000002,151.19129360000002 -33.9029905,151.19129360000002 -33.9029905,151.19132969999947 -33.90295480000014,151.19132969999947 -33.90295480000014,151.19136500000002 -33.902918700000136,151.19136500000002 -33.902918700000136,151.19152799999958 -33.90273960000017,151.19152799999958 -33.90273960000017,151.19214730000013 -33.9020587,151.19214730000013 -33.9020587,151.1921603999998 -33.90204429999985,151.1921603999998 -33.90204429999985,151.19223609999977 -33.901961800000095,151.19223609999977 -33.901961800000095,151.19229550000014 -33.9018959)
    };

    let nodes = linestring
        .into_points()
        .into_iter()
        .map(|p| Node::new(p, OsmEntryId::null()));
    let trip = Trip::new(nodes);

    let complexity = trip.angular_complexity();
    assert_relative_eq!(complexity, 0.80, max_relative = 0.1);
}