openstreetmap-website/app/assets/javascripts/index/directions/fossgis_valhalla.js
2022-12-22 17:39:50 +01:00

112 lines
3.2 KiB
JavaScript

function FOSSGISValhallaEngine(id, costing) {
var INSTR_MAP = [
0, // kNone = 0;
8, // kStart = 1;
8, // kStartRight = 2;
8, // kStartLeft = 3;
14, // kDestination = 4;
14, // kDestinationRight = 5;
14, // kDestinationLeft = 6;
0, // kBecomes = 7;
0, // kContinue = 8;
1, // kSlightRight = 9;
2, // kRight = 10;
3, // kSharpRight = 11;
4, // kUturnRight = 12;
4, // kUturnLeft = 13;
7, // kSharpLeft = 14;
6, // kLeft = 15;
5, // kSlightLeft = 16;
0, // kRampStraight = 17;
24, // kRampRight = 18;
25, // kRampLeft = 19;
24, // kExitRight = 20;
25, // kExitLeft = 21;
0, // kStayStraight = 22;
1, // kStayRight = 23;
5, // kStayLeft = 24;
20, // kMerge = 25;
10, // kRoundaboutEnter = 26;
11, // kRoundaboutExit = 27;
17, // kFerryEnter = 28;
0, // kFerryExit = 29;
...Array(7).fill(), // irrelevant transit maneuvers
21, // kMergeRight = 37;
20 // kMergeLeft = 38;
];
return {
id: id,
creditline:
"<a href='https://gis-ops.com/global-open-valhalla-server-online/' target='_blank'>Valhalla (FOSSGIS)</a>",
draggable: false,
getRoute: function (points, callback) {
return $.ajax({
url: OSM.FOSSGIS_VALHALLA_URL,
data: {
json: JSON.stringify({
locations: points.map(function (p) {
return { lat: p.lat, lon: p.lng };
}),
costing: costing,
directions_options: {
units: "km",
language: I18n.currentLocale()
}
})
},
dataType: "json",
success: function (data) {
var trip = data.trip;
if (trip.status === 0) {
var line = [];
var steps = [];
var distance = 0;
var time = 0;
trip.legs.forEach(function (leg) {
var legLine = L.PolylineUtil.decode(leg.shape, {
precision: 6
});
line = line.concat(legLine);
leg.maneuvers.forEach(function (manoeuvre, idx) {
var point = legLine[manoeuvre.begin_shape_index];
steps.push([
{ lat: point[0], lng: point[1] },
INSTR_MAP[manoeuvre.type],
"<b>" + (idx + 1) + ".</b> " + manoeuvre.instruction,
manoeuvre.length * 1000,
[]
]);
});
distance = distance + leg.summary.length;
time = time + leg.summary.time;
});
callback(false, {
line: line,
steps: steps,
distance: distance * 1000,
time: time
});
} else {
callback(true);
}
},
error: function () {
callback(true);
}
});
}
};
}
OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_car", "auto"), true);
OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_bicycle", "bicycle"), true);
OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_foot", "pedestrian"), true);