kopia lustrzana https://github.com/jakecoppinger/safe-cycling-map
Add docstrings for selectors, improve selectors
rodzic
66a3ad80f3
commit
7fbd8ac1d3
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@ -1,30 +1,81 @@
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import { Geometry, GeoJsonProperties, Feature } from 'geojson';
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/**
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* Is a red (dangerous) road if:
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* - Speed is higher than 40kmh
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* - Road is a residental street with default speed limit (50kph)
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* @param feature
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* @returns
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*/
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export function isRedRoad(feature: Feature<Geometry, GeoJsonProperties>): boolean {
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const p = feature.properties;
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if (p === null) {
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return false;
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}
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return (p.maxspeed > 40 || (p.highway === 'residential' && p.maxspeed === undefined))
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if (p.maxspeed > 40) {
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return true;
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}
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if (p.highway === 'residential' && p.maxspeed === undefined) {
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return true;
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}
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return false;
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}
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/**
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* Is an orange (caution) road if:
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* - Road has a speed limit less than 40kph and greater than 30kmh
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* - Has an on road, painted (non-separated) bike lane
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* @param feature
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* @returns
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*/
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export function isOrangeRoad(feature: Feature<Geometry, GeoJsonProperties>): boolean {
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const p = feature.properties;
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if (p === null) {
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return false;
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}
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return (p.maxspeed <= 40 || p.cycleway === 'lane')
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if (p.maxspeed <= 40) {
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return true;
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}
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if (p.cycleway === 'lane') {
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return true;
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}
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return false;
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}
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/**
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* Is a green (safe) road if:
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* - Speed is less than or equal to 30kph
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* - Is a [living street](https://wiki.openstreetmap.org/wiki/Tag:highway%3Dliving_street)
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* - Is a separated cycleway
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* - Is a cycle lane separated from the road
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* - Is a shared path (bikes + pedestrians allowed)
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* @param feature
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* @returns
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*/
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export function isGreenRoad(feature: Feature<Geometry, GeoJsonProperties>): boolean {
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const p = feature.properties;
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if (p === null) {
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return false;
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}
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return (p.maxspeed <= 30 || p.highway === 'cycleway' || p.highway === 'pedestrian'
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|| p.highway === 'living_street'
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)
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if (p.maxspeed <= 30) {
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return true;
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}
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if (p.highway === 'cycleway') {
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return true;
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}
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if (p.highway === 'shared_lane') {
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return true;
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}
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if (p.bicycle === 'designated') {
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return true;
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}
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if (p.highway === 'living_street') {
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return true;
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}
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if (p.cycleway === 'track' || p['cycleway:left'] === 'track' || p['cycleway:right'] === 'track') {
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return true;
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}
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return false
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}
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@ -23,7 +23,7 @@ export const safeCycleways = (boundsStr: string) => `
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/* Select road types to display */
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(
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way[highway]["highway"!~"cycleway|path|footway|pedestrian"]["bicycle"!~"no"][maxspeed](if:t["maxspeed"]<=50);
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way[highway]["highway"!~"cycleway|path|footway|pedestrian"]["bicycle"!~"no"];
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way["highway"="residential"];
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way[highway=cycleway];
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@ -32,6 +32,8 @@ export const safeCycleways = (boundsStr: string) => `
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way[highway=construction][construction=cycleway];
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way[proposed=cycleway];
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way[cycleway=lane];
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way["cycleway:left"=track];
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way[cycleway=track];
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);
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