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Swap left/right turns when generating traffic signal policies in the UK.

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Verified by trying the "four-stage" template at some intersections. Now
regenerating data.
This commit is contained in:
Dustin Carlino 2021-02-08 17:06:32 -08:00
parent 6f0751111e
commit 68e406d26b
2 changed files with 42 additions and 27 deletions
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48
data/MANIFEST.json
View File

@ -61,9 +61,9 @@
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}, },
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}, },
"data/input/cheshire/osm/chapelford.osm": { "data/input/cheshire/osm/chapelford.osm": {
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@ -716,9 +716,9 @@
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}, },
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}, },
"data/system/cambridge/scenarios/great_kneighton/baseline.bin": { "data/system/cambridge/scenarios/great_kneighton/baseline.bin": {
"checksum": "5bf4753521040da79b85cf80053794a1", "checksum": "5bf4753521040da79b85cf80053794a1",
@ -731,9 +731,9 @@
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}, },
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@ -751,29 +751,29 @@
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}, },
"data/system/montreal/maps/plateau.bin": { "data/system/montreal/maps/plateau.bin": {
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21
map_model/src/make/traffic_signals.rs
View File

@ -3,8 +3,8 @@ use std::collections::HashSet;
use geom::Duration; use geom::Duration;
use crate::{ use crate::{
ControlTrafficSignal, IntersectionCluster, IntersectionID, Map, Movement, MovementID, RoadID, ControlTrafficSignal, DrivingSide, IntersectionCluster, IntersectionID, Map, Movement,
Stage, StageType, TurnPriority, TurnType, MovementID, RoadID, Stage, StageType, TurnPriority, TurnType,
}; };
/// Applies a bunch of heuristics to a single intersection, returning the valid results in /// Applies a bunch of heuristics to a single intersection, returning the valid results in
@ -145,6 +145,7 @@ fn degenerate(map: &Map, i: IntersectionID) -> Option<ControlTrafficSignal> {
let mut ts = new(i, map); let mut ts = new(i, map);
make_stages( make_stages(
&mut ts, &mut ts,
map.config.driving_side,
vec![vec![(vec![r1, r2], TurnType::Straight, PROTECTED)]], vec![vec![(vec![r1, r2], TurnType::Straight, PROTECTED)]],
); );
Some(ts) Some(ts)
@ -193,6 +194,7 @@ fn three_way(map: &Map, i: IntersectionID) -> Option<ControlTrafficSignal> {
// Two-stage with no protected lefts, right turn on red, turning cars yield to peds // Two-stage with no protected lefts, right turn on red, turning cars yield to peds
make_stages( make_stages(
&mut ts, &mut ts,
map.config.driving_side,
vec![ vec![
vec![ vec![
(vec![north, south], TurnType::Straight, PROTECTED), (vec![north, south], TurnType::Straight, PROTECTED),
@ -226,6 +228,7 @@ fn four_way_four_stage(map: &Map, i: IntersectionID) -> Option<ControlTrafficSig
let mut ts = new(i, map); let mut ts = new(i, map);
make_stages( make_stages(
&mut ts, &mut ts,
map.config.driving_side,
vec![ vec![
vec![ vec![
(vec![north, south], TurnType::Straight, PROTECTED), (vec![north, south], TurnType::Straight, PROTECTED),
@ -257,6 +260,7 @@ fn four_way_two_stage(map: &Map, i: IntersectionID) -> Option<ControlTrafficSign
let mut ts = new(i, map); let mut ts = new(i, map);
make_stages( make_stages(
&mut ts, &mut ts,
map.config.driving_side,
vec![ vec![
vec![ vec![
(vec![north, south], TurnType::Straight, PROTECTED), (vec![north, south], TurnType::Straight, PROTECTED),
@ -341,12 +345,23 @@ const YIELD: bool = false;
fn make_stages( fn make_stages(
ts: &mut ControlTrafficSignal, ts: &mut ControlTrafficSignal,
driving_side: DrivingSide,
stage_specs: Vec<Vec<(Vec<RoadID>, TurnType, bool)>>, stage_specs: Vec<Vec<(Vec<RoadID>, TurnType, bool)>>,
) { ) {
for specs in stage_specs { for specs in stage_specs {
let mut stage = Stage::new(); let mut stage = Stage::new();
for (roads, turn_type, protected) in specs.into_iter() { for (roads, mut turn_type, protected) in specs.into_iter() {
// The heuristics are written assuming right turns are easy and lefts are hard, so
// invert in the UK.
if driving_side == DrivingSide::Left {
if turn_type == TurnType::Right {
turn_type = TurnType::Left;
} else if turn_type == TurnType::Left {
turn_type = TurnType::Right;
}
}
for movement in ts.movements.values() { for movement in ts.movements.values() {
if !roads.contains(&movement.id.from.id) || turn_type != movement.turn_type { if !roads.contains(&movement.id.from.id) || turn_type != movement.turn_type {
continue; continue;