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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
#![doc = include_str!("../../docs/osm.md")]
// Exposed modules
pub mod blob;
pub mod block;
pub mod element;
pub mod parsers;
// Hidden modules
#[doc(hidden)]
pub mod error;
#[doc(hidden)]
pub mod parallel;
#[doc(hidden)]
pub mod test;
// Inlined structs
#[doc(inline)]
pub use blob::iterator::BlobIterator;
#[doc(inline)]
pub use block::iterator::BlockIterator;
#[doc(inline)]
pub use element::OsmEntryId;
#[doc(inline)]
pub use element::iterator::ElementIterator;
#[doc(inline)]
pub use element::processed_iterator::ProcessedElementIterator;
// Doc-Linking
#[doc(inline)]
pub use parallel::Parallel;
#[doc(hidden)]
pub use element::variants::common::*;
#[doc(hidden)]
pub use model::*;
#[doc(inline)]
pub use parsers::*;
#[doc(hidden)]
pub use blob::item::BlobItem;
#[doc(hidden)]
pub use block::item::BlockItem;
#[doc(hidden)]
pub use element::item::Element;
#[doc(inline)]
pub use meta::OsmEdgeMetadata;
#[doc(inline)]
pub use runtime::OsmTripConfiguration;
// Protocol Buffer Includes
pub mod model {
//! OpenStreetMaps Protobuf Definitions
include!(concat!(env!("OUT_DIR"), "/osmpbf.rs"));
}
pub mod meta {
use crate::osm::access_tag::AccessTag;
use crate::osm::access_tag::access::AccessValue;
use crate::osm::element::{TagString, Tags};
use crate::osm::primitives::condition::VehicleProperty;
use crate::osm::primitives::*;
use crate::osm::speed_limit::SpeedLimitCollection;
use crate::osm::{Access, OsmTripConfiguration, SpeedLimit};
use crate::primitive::edge::Direction;
use crate::{Metadata, primitive};
use std::num::NonZeroU8;
#[derive(Debug, Clone, Default)]
pub struct OsmEdgeMetadata {
pub lane_count: Option<NonZeroU8>,
pub speed_limit: Option<SpeedLimitCollection>,
pub access: Vec<AccessTag>,
pub road_class: Option<RoadClass>,
}
impl Metadata for OsmEdgeMetadata {
type Raw<'a> = &'a Tags;
type Runtime = OsmTripConfiguration;
type TripContext = primitive::context::TripContext;
fn pick(raw: Self::Raw<'_>) -> Self {
Self {
road_class: raw.r#as::<RoadClass>(TagString::HIGHWAY),
lane_count: raw.r#as::<NonZeroU8>(TagString::LANES),
speed_limit: raw.speed_limit(),
access: raw.access(),
}
}
#[inline]
fn runtime(ctx: Option<Self::TripContext>) -> Self::Runtime {
use crate::primitive::transport::TransportMode::*;
let mut default = OsmTripConfiguration::default();
if let Some(ctx) = ctx {
// Concrete translations of the given context into the domain-knowledge context
match ctx.transport_mode {
Car(Some(car)) => {
default.transport_mode = TransportMode::MotorVehicle;
default.vehicle_properties = Some(vec![
(VehicleProperty::Height, car.height),
(VehicleProperty::Weight, car.width),
]);
}
Car(None) => {
default.transport_mode = TransportMode::MotorVehicle;
}
Bus(Some(bus)) => {
default.transport_mode = TransportMode::Bus;
default.vehicle_properties = Some(vec![
(VehicleProperty::Height, bus.height),
(VehicleProperty::Weight, bus.width),
]);
}
Bus(None) => {
default.transport_mode = TransportMode::Bus;
}
Truck(Some(truck)) => {
default.transport_mode = TransportMode::Hgv;
default.vehicle_properties = Some(vec![
(VehicleProperty::Height, truck.vehicle_costing.height),
(VehicleProperty::Weight, truck.vehicle_costing.width),
(VehicleProperty::Axleload, truck.axle_load),
(VehicleProperty::Length, truck.length),
]);
}
Truck(None) => {
default.transport_mode = TransportMode::Hgv;
}
_ => {}
}
}
default
}
// #[inline]
// fn accessible(&self, conditions: &Self::Runtime, direction: Direction) -> bool {
// // Computes the negative-filter access restriction, assuming accessible by default.
// // If any access conditions match the input, it will be rejected.
//
// let mut most_specific_access: Option<(AccessValue, usize)> = None;
//
// for access_tag in &self.access {
// // Only consider access methods which are applicable
// if !conditions
// .transport_mode
// .is_restricted_by(access_tag.restriction.transport_mode)
// {
// continue;
// }
//
// // Check directionality
// let direction_matches = match access_tag.restriction.directionality {
// Directionality::Forward => direction == Direction::Outgoing,
// Directionality::Backward => direction == Direction::Incoming,
// Directionality::BothWays => true,
// _ => false,
// };
//
// if !direction_matches {
// continue;
// }
//
// // Get specificity level for this restriction
// let specificity = access_tag.restriction.transport_mode.specificity_level();
//
// // Keep track of the most specific (lowest specificity value) access tag
// match most_specific_access {
// None => {
// most_specific_access = Some((access_tag.access, specificity));
// }
// Some((_, current_specificity)) => {
// if specificity < current_specificity {
// most_specific_access = Some((access_tag.access, specificity));
// }
// }
// }
// }
//
// // Process the most specific access tag we found
// match most_specific_access {
// Some((access, _)) => match access {
// AccessValue::Yes => true,
// AccessValue::Private => conditions.allow_private_roads,
// _ => false,
// },
// None => true, // Default to accessible if no restrictions apply
// }
// }
#[inline]
fn accessible(&self, conditions: &Self::Runtime, direction: Direction) -> bool {
// Computes the negative-filter access restriction, assuming accessible by default.
// If any access conditions match the input, it will be rejected.
self.access
.iter()
.filter(|AccessTag { restriction, .. }| {
// Only consider access methods which are applicable
conditions
.transport_mode
.is_restricted_by(restriction.transport_mode)
})
.filter(
|AccessTag { restriction, .. }| match restriction.directionality {
Directionality::Forward => direction == Direction::Outgoing,
Directionality::Backward => direction == Direction::Incoming,
Directionality::BothWays => true,
_ => false,
},
)
.max_by_key(|AccessTag { restriction, .. }| {
// Sort by specificity such that we consider the most specific
// filter first, and the least specific last.
restriction.transport_mode.specificity_level()
})
.map(|AccessTag { access, .. }| {
// We default to `true`, since a roadway is considered accessible
// unless otherwise specified. If any access tag disallows access
// up the specificity hierarchy, we will return `false`.
match access {
AccessValue::Yes => true,
AccessValue::Private => conditions.allow_private_roads,
_ => false,
}
})
.unwrap_or(true)
}
}
}
pub mod runtime {
use crate::osm::primitives::TransportMode;
use crate::osm::primitives::condition::VehicleProperty;
use crate::osm::primitives::opening_hours::TimeOfWeek;
#[derive(Debug, Clone)]
pub struct OsmTripConfiguration {
/// The transport mode by which a vehicle is travelling.
/// This is used in order to validate access to ways,
/// as well as for collecting metadata in order to produce
/// an output which is relevant for the traversal.
///
/// Default is `Vehicle`
pub transport_mode: TransportMode,
/// Properties of the travelling vehicle, allows filtering
/// for accurate routing between regions based on conditions
/// such as vehicle weight, length, number of wheels, etc.
///
/// Default is `None`.
pub vehicle_properties: Option<Vec<(VehicleProperty, f32)>>,
/// An optionally specifiable time of week at which the
/// traversal occurs. This allows filtering for conditions
/// which specify specific hours for which access is permitted,
/// or allowing for accurate metadata.
///
/// Default is `None`.
pub time_of_week: Option<TimeOfWeek>,
/// Describes if the solver should consider private
/// roadways. These often require the owners permission,
/// and should be considered for transports which frequently
/// visit private roadways or require routing within mapped
/// private residences.
///
/// Default is `false`.
pub allow_private_roads: bool,
}
impl Default for OsmTripConfiguration {
#[inline]
fn default() -> Self {
Self {
transport_mode: TransportMode::All,
allow_private_roads: false,
vehicle_properties: None,
time_of_week: None,
}
}
}
}