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display linepath_from_prv if available, or rail_pos, or entry coords as fallback

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Peter Nerlich 2022-01-16 02:18:20 +01:00 committed by Buckaroo Banzai
parent 2c90c94c65
commit 315cb79d4e
1 changed files with 40 additions and 1 deletions
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39
public/js/map/overlays/TrainlineOverlay.js
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@ -1,6 +1,30 @@
import AbstractGeoJsonOverlay from './AbstractGeoJsonOverlay.js';
import { getMapObjects } from '../../api.js';
var string_to_pos = function(str){
if (typeof(str) == "string" && str.length > 0 &&
str[0] == '(' && str[str.length-1] == ')') {
var a = str.slice(1, -1).split(',');
if (a.length == 3 && a.indexOf(NaN) < 0) {
return {
x: a[0],
y: a[1],
z: a[2]
};
}
}
return null;
};
var pos_to_string = function(pos){
if (isNaN(parseFloat(pos.x)) ||
isNaN(parseFloat(pos.y)) ||
isNaN(parseFloat(pos.z))) {
return null;
}
return "("+[pos.x, pos.y, pos.z].join(',')+")";
};
export default AbstractGeoJsonOverlay.extend({
initialize: function() {
AbstractGeoJsonOverlay.prototype.initialize.call(this, "train");
@ -82,7 +106,22 @@ export default AbstractGeoJsonOverlay.extend({
};
//Add stations
objects.forEach(function(entry){
var rail_pos = string_to_pos(entry.attributes.rail_pos);
if (entry.attributes.linepath_from_prv) {
var points = entry.attributes.linepath_from_prv.split(';');
points.forEach(function(p) {
var pos = string_to_pos(p);
if (pos == null) {
console.warn("[Trainlines][linepath_from_prv]", "line "+linename, "block "+pos_to_string(entry), "index "+entry.attributes.index, "Invalid point:", p);
} else {
feat.coords.push([p.x, p.z]);
}
});
} else if (rail_pos) {
feat.coords.push([rail_pos.x, rail_pos.z]);
} else {
feat.coords.push([entry.x, entry.z]);
}
if (entry.attributes.station) {
feat.stations.push({