117 lines
3.8 KiB
JavaScript
117 lines
3.8 KiB
JavaScript
(function () {
|
|
function FOSSGISValhallaEngine(modeId, costing) {
|
|
const INSTR_MAP = [
|
|
"straight", // kNone = 0;
|
|
"start", // kStart = 1;
|
|
"start", // kStartRight = 2;
|
|
"start", // kStartLeft = 3;
|
|
"destination", // kDestination = 4;
|
|
"destination", // kDestinationRight = 5;
|
|
"destination", // kDestinationLeft = 6;
|
|
"straight", // kBecomes = 7;
|
|
"straight", // kContinue = 8;
|
|
"slight-right", // kSlightRight = 9;
|
|
"right", // kRight = 10;
|
|
"sharp-right", // kSharpRight = 11;
|
|
"u-turn-right", // kUturnRight = 12;
|
|
"u-turn-left", // kUturnLeft = 13;
|
|
"sharp-left", // kSharpLeft = 14;
|
|
"left", // kLeft = 15;
|
|
"slight-left", // kSlightLeft = 16;
|
|
"straight", // kRampStraight = 17;
|
|
"exit-right", // kRampRight = 18;
|
|
"exit-left", // kRampLeft = 19;
|
|
"exit-right", // kExitRight = 20;
|
|
"exit-left", // kExitLeft = 21;
|
|
"straight", // kStayStraight = 22;
|
|
"slight-right", // kStayRight = 23;
|
|
"slight-left", // kStayLeft = 24;
|
|
"merge-left", // kMerge = 25;
|
|
"roundabout", // kRoundaboutEnter = 26;
|
|
"roundabout", // kRoundaboutExit = 27;
|
|
"ferry", // kFerryEnter = 28;
|
|
"straight", // kFerryExit = 29;
|
|
null, // kTransit = 30;
|
|
null, // kTransitTransfer = 31;
|
|
null, // kTransitRemainOn = 32;
|
|
null, // kTransitConnectionStart = 33;
|
|
null, // kTransitConnectionTransfer = 34;
|
|
null, // kTransitConnectionDestination = 35;
|
|
null, // kPostTransitConnectionDestination = 36;
|
|
"merge-right", // kMergeRight = 37;
|
|
"merge-left" // kMergeLeft = 38;
|
|
];
|
|
|
|
function _processDirections(tripLegs) {
|
|
let line = [];
|
|
let steps = [];
|
|
let distance = 0;
|
|
let time = 0;
|
|
|
|
for (const leg of tripLegs) {
|
|
const legLine = L.PolylineUtil.decode(leg.shape, {
|
|
precision: 6
|
|
});
|
|
|
|
const legSteps = leg.maneuvers.map(function (manoeuvre, idx) {
|
|
const num = `<b>${idx + 1}.</b> `;
|
|
const lineseg = legLine
|
|
.slice(manoeuvre.begin_shape_index, manoeuvre.end_shape_index + 1)
|
|
.map(([lat, lng]) => ({ lat, lng }));
|
|
return [
|
|
lineseg[0],
|
|
INSTR_MAP[manoeuvre.type],
|
|
num + manoeuvre.instruction,
|
|
manoeuvre.length * 1000,
|
|
lineseg
|
|
];
|
|
});
|
|
|
|
line = line.concat(legLine);
|
|
steps = steps.concat(legSteps);
|
|
distance += leg.summary.length;
|
|
time += leg.summary.time;
|
|
}
|
|
|
|
return {
|
|
line: line,
|
|
steps: steps,
|
|
distance: distance * 1000,
|
|
time: time
|
|
};
|
|
}
|
|
|
|
return {
|
|
mode: modeId,
|
|
provider: "fossgis_valhalla",
|
|
creditline:
|
|
"<a href='https://gis-ops.com/global-open-valhalla-server-online/' target='_blank'>Valhalla (FOSSGIS)</a>",
|
|
draggable: false,
|
|
|
|
getRoute: function (points, signal) {
|
|
const query = new URLSearchParams({
|
|
json: JSON.stringify({
|
|
locations: points.map(function (p) {
|
|
return { lat: p.lat, lon: p.lng, radius: 5 };
|
|
}),
|
|
costing: costing,
|
|
directions_options: {
|
|
units: "km",
|
|
language: I18n.currentLocale()
|
|
}
|
|
})
|
|
});
|
|
return fetch(OSM.FOSSGIS_VALHALLA_URL + "?" + query, { signal })
|
|
.then(response => response.json())
|
|
.then(({ trip }) => {
|
|
if (trip.status !== 0) throw new Error();
|
|
return _processDirections(trip.legs);
|
|
});
|
|
}
|
|
};
|
|
}
|
|
|
|
OSM.Directions.addEngine(new FOSSGISValhallaEngine("car", "auto"), true);
|
|
OSM.Directions.addEngine(new FOSSGISValhallaEngine("bicycle", "bicycle"), true);
|
|
OSM.Directions.addEngine(new FOSSGISValhallaEngine("foot", "pedestrian"), true);
|
|
}());
|