X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/1add511c52e21492d3dd08b5a86e1f04e73791eb..85f627c5c2d759046f159e4017ea799d92442178:/app/assets/javascripts/index/directions/osrm.js diff --git a/app/assets/javascripts/index/directions/osrm.js b/app/assets/javascripts/index/directions/osrm.js index cc2756858..280e66a80 100644 --- a/app/assets/javascripts/index/directions/osrm.js +++ b/app/assets/javascripts/index/directions/osrm.js @@ -1,94 +1,212 @@ -// OSRM car engine +// OSRM engine // Doesn't yet support hints -function OSRMEngine() { - var previousPoints, hintData; +function OSRMEngine(id, vehicleType) { + var cachedHints = []; return { - id: "osrm_car", - creditline: 'OSRM', + id: id, + creditline: "OSRM (FOSSGIS)", draggable: true, - getRoute: function (points, callback) { - var TURN_INSTRUCTIONS = [ - "", - I18n.t('javascripts.directions.instructions.continue_on'), // 1 - I18n.t('javascripts.directions.instructions.slight_right'), // 2 - I18n.t('javascripts.directions.instructions.turn_right'), // 3 - I18n.t('javascripts.directions.instructions.sharp_right'), // 4 - I18n.t('javascripts.directions.instructions.uturn'), // 5 - I18n.t('javascripts.directions.instructions.sharp_left'), // 6 - I18n.t('javascripts.directions.instructions.turn_left'), // 7 - I18n.t('javascripts.directions.instructions.slight_left'), // 8 - I18n.t('javascripts.directions.instructions.via_point'), // 9 - I18n.t('javascripts.directions.instructions.follow'), // 10 - I18n.t('javascripts.directions.instructions.roundabout'), // 11 - I18n.t('javascripts.directions.instructions.leave_roundabout'), // 12 - I18n.t('javascripts.directions.instructions.stay_roundabout'), // 13 - I18n.t('javascripts.directions.instructions.start'), // 14 - I18n.t('javascripts.directions.instructions.destination'), // 15 - I18n.t('javascripts.directions.instructions.against_oneway'), // 16 - I18n.t('javascripts.directions.instructions.end_oneway') // 17 - ]; + _transformSteps: function (input_steps, line) { + var INSTRUCTION_TEMPLATE = { + "continue": "javascripts.directions.instructions.continue", + "merge right": "javascripts.directions.instructions.merge_right", + "merge left": "javascripts.directions.instructions.merge_left", + "off ramp right": "javascripts.directions.instructions.offramp_right", + "off ramp left": "javascripts.directions.instructions.offramp_left", + "on ramp right": "javascripts.directions.instructions.onramp_right", + "on ramp left": "javascripts.directions.instructions.onramp_left", + "fork right": "javascripts.directions.instructions.fork_right", + "fork left": "javascripts.directions.instructions.fork_left", + "end of road right": "javascripts.directions.instructions.endofroad_right", + "end of road left": "javascripts.directions.instructions.endofroad_left", + "turn straight": "javascripts.directions.instructions.continue", + "turn slight right": "javascripts.directions.instructions.slight_right", + "turn right": "javascripts.directions.instructions.turn_right", + "turn sharp right": "javascripts.directions.instructions.sharp_right", + "turn uturn": "javascripts.directions.instructions.uturn", + "turn sharp left": "javascripts.directions.instructions.sharp_left", + "turn left": "javascripts.directions.instructions.turn_left", + "turn slight left": "javascripts.directions.instructions.slight_left", + "roundabout": "javascripts.directions.instructions.roundabout", + "rotary": "javascripts.directions.instructions.roundabout", + "exit roundabout": "javascripts.directions.instructions.exit_roundabout", + "exit rotary": "javascripts.directions.instructions.exit_roundabout", + "depart": "javascripts.directions.instructions.start", + "arrive": "javascripts.directions.instructions.destination" + }; + var ICON_MAP = { + "continue": 0, + "merge right": 21, + "merge left": 20, + "off ramp right": 24, + "off ramp left": 25, + "on ramp right": 2, + "on ramp left": 6, + "fork right": 18, + "fork left": 19, + "end of road right": 22, + "end of road left": 23, + "turn straight": 0, + "turn slight right": 1, + "turn right": 2, + "turn sharp right": 3, + "turn uturn": 4, + "turn slight left": 5, + "turn left": 6, + "turn sharp left": 7, + "roundabout": 10, + "rotary": 10, + "exit roundabout": 10, + "exit rotary": 10, + "depart": 8, + "arrive": 14 + }; + var numToWord = function (num) { + return ["first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", "ninth", "tenth"][num - 1]; + }; + var transformed_steps = input_steps.map(function (step, idx) { + var maneuver_id; - var url = "http://router.project-osrm.org/viaroute?z=14&output=json&instructions=true"; - - for (var i = 0; i < points.length; i++) { - url += "&loc=" + points[i].lat + ',' + points[i].lng; - if (hintData && previousPoints && previousPoints[i].equals(points[i])) { - url += "&hint=" + hintData.locations[i]; + // special case handling + switch (step.maneuver.type) { + case "on ramp": + case "off ramp": + case "merge": + case "end of road": + case "fork": + maneuver_id = step.maneuver.type + " " + (step.maneuver.modifier.indexOf("left") >= 0 ? "left" : "right"); + break; + case "depart": + case "arrive": + case "roundabout": + case "rotary": + case "exit roundabout": + case "exit rotary": + maneuver_id = step.maneuver.type; + break; + case "roundabout turn": + case "turn": + maneuver_id = "turn " + step.maneuver.modifier; + break; + // for unknown types the fallback is turn + default: + maneuver_id = "turn " + step.maneuver.modifier; + break; } - } + var template = INSTRUCTION_TEMPLATE[maneuver_id]; - if (hintData && hintData.checksum) { - url += "&checksum=" + hintData.checksum; - } + // convert lat,lng pairs to LatLng objects + var step_geometry = L.PolylineUtil.decode(step.geometry, { precision: 5 }).map(function (a) { return L.latLng(a); }); + // append step_geometry on line + Array.prototype.push.apply(line, step_geometry); - $.ajax({ - url: url, - dataType: 'json', - success: function (data) { - if (data.status == 207) - return callback(true); - - previousPoints = points; - hintData = data.hint_data; - - var line = L.PolylineUtil.decode(data.route_geometry, { - precision: 6 - }); - - var steps = []; - for (i = 0; i < data.route_instructions.length; i++) { - var s = data.route_instructions[i]; - var linesegend; - var instCodes = s[0].split('-'); - var instText = "" + (i + 1) + ". "; - instText += TURN_INSTRUCTIONS[instCodes[0]]; - if (instCodes[1]) { - instText += "exit " + instCodes[1] + " "; - } - if (instCodes[0] != 15) { - instText += s[1] ? "" + s[1] + "" : I18n.t('javascripts.directions.instructions.unnamed'); - } - if ((i + 1) < data.route_instructions.length) { - linesegend = data.route_instructions[i + 1][3] + 1; + var instText = "" + (idx + 1) + ". "; + var destinations = "" + step.destinations + ""; + var namedRoad = true; + var name; + + if (step.name && step.ref) { + name = "" + step.name + " (" + step.ref + ")"; + } else if (step.name) { + name = "" + step.name + ""; + } else if (step.ref) { + name = "" + step.ref + ""; + } else { + name = I18n.t("javascripts.directions.instructions.unnamed"); + namedRoad = false; + } + + if (step.maneuver.type.match(/^exit (rotary|roundabout)$/)) { + instText += I18n.t(template, { name: name }); + } else if (step.maneuver.type.match(/^(rotary|roundabout)$/)) { + if (step.maneuver.exit) { + if (step.maneuver.exit <= 10) { + instText += I18n.t(template + "_with_exit_ordinal", { exit: I18n.t("javascripts.directions.instructions.exit_counts." + numToWord(step.maneuver.exit)), name: name }); } else { - linesegend = s[3] + 1; + instText += I18n.t(template + "_with_exit", { exit: step.maneuver.exit, name: name }); } - steps.push([line[s[3]], s[0].split('-')[0], instText, s[2], line.slice(s[3], linesegend)]); + } else { + instText += I18n.t(template + "_without_exit", { name: name }); + } + } else if (step.maneuver.type.match(/^(on ramp|off ramp)$/)) { + var params = {}; + if (step.exits && step.maneuver.type.match(/^(off ramp)$/)) params.exit = step.exits; + if (step.destinations) params.directions = destinations; + if (namedRoad) params.directions = name; + if (Object.keys(params).length > 0) { + template = template + "_with_" + Object.keys(params).join("_"); } + instText += I18n.t(template, params); + } else { + instText += I18n.t(template + "_without_exit", { name: name }); + } + return [[step.maneuver.location[1], step.maneuver.location[0]], ICON_MAP[maneuver_id], instText, step.distance, step_geometry]; + }); + + return transformed_steps; + }, + + getRoute: function (points, callback) { + var params = [ + { name: "overview", value: "false" }, + { name: "geometries", value: "polyline" }, + { name: "steps", value: true } + ]; + + + if (cachedHints.length === points.length) { + params.push({ name: "hints", value: cachedHints.join(";") }); + } else { + // invalidate cache + cachedHints = []; + } + + var encoded_coords = points.map(function (p) { + return p.lng + "," + p.lat; + }).join(";"); + + var req_url = OSM.FOSSGIS_OSRM_URL + "routed-" + vehicleType + "/route/v1/driving/" + encoded_coords; + + var onResponse = function (data) { + if (data.code !== "Ok") { + return callback(true); + } + + cachedHints = data.waypoints.map(function (wp) { + return wp.hint; + }); + + var line = []; + var transformLeg = function (leg) { + return this._transformSteps(leg.steps, line); + }; + + var steps = [].concat.apply([], data.routes[0].legs.map(transformLeg.bind(this))); + + callback(false, { + line: line, + steps: steps, + distance: data.routes[0].distance, + time: data.routes[0].duration + }); + }; - callback(null, { - line: line, - steps: steps, - distance: data.route_summary.total_distance, - time: data.route_summary.total_time - }); + return $.ajax({ + url: req_url, + data: params, + dataType: "json", + success: onResponse.bind(this), + error: function () { + callback(true); } }); } }; } -OSM.Directions.addEngine(OSRMEngine(), true); +OSM.Directions.addEngine(new OSRMEngine("fossgis_osrm_car", "car"), true); +OSM.Directions.addEngine(new OSRMEngine("fossgis_osrm_bike", "bike"), true); +OSM.Directions.addEngine(new OSRMEngine("fossgis_osrm_foot", "foot"), true);