Files
flightgear-airports-old/src/renderer/loaders/pavement_loader.js
T
2020-07-08 11:33:31 +02:00

486 lines
18 KiB
JavaScript

/* eslint-disable */
const lineReader = require('readline');
const zlib = require('zlib');
// const geodesy = require('geodesy');
const LatLonEllipsoidal = require('geodesy/latlon-ellipsoidal-vincenty.js').default;
const fs = require('fs');
/**
*
* @param {*} line
* @param {*} icao
* @param {*} layerGroup
* @param {*} currentFeature
*/
function bezier(line, icao, layerGroup, currentFeature) {
var previous = currentFeature.slice(-1)[0].slice(-1)[0];
if (previous !== undefined &&
Number(previous[0]) !== Number(line[1]) &&
Number(previous[1]) !== Number(line[2])) {
var midpoint = calcMidpoint([Number(previous[0]), Number(previous[1])],
[Number(line[1]), Number(line[2])]);
var startPoint = [Number(previous[0]), Number(previous[1])];
var endPoint = [Number(line[1]), Number(line[2])];
if(module.exports.debug) {
L.polyline([startPoint, endPoint], { color: 'fuchsia' }).addTo(layerGroup);
var marker = new L.marker(endPoint, { title: 'endpoint', color: 'fuchsia' });
marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), { className: "my-label", offset: [0, 0] });
marker.addTo(layerGroup);
}
var control = [Number(line[3]), Number(line[4])];
if (!isNaN(control[0]) && control[0] !== undefined && !isNaN(control[1]) && control[1] !== undefined) {
var controlReflected = pointReflection([Number(line[3]), Number(line[4])],
[Number(line[1]), Number(line[2])]);
// L.marker(control, { title: 'control' }).addTo(layerGroup);
// L.marker(controlPointReflected, { title: 'controlReflected' }).addTo(layerGroup);
// L.polyline([controlPointReflected, control], { color: 'green' }).addTo(layerGroup);
// L.polyline([controlReflected, control], { color: 'red' }).addTo(layerGroup);
// L.polyline([controlReflected, midpoint], { color: 'aqua' }).addTo(layerGroup);
var modifiedControlPoint = calcMidpoint(controlReflected, midpoint);
// var modifiedControlPoint = controlReflected;
var points = null;
if (exports.bezierPoint === null) {
if (module.exports.debug) {
L.polyline([startPoint, controlReflected, endPoint], { color: 'purple' }).addTo(layerGroup);
var marker = new L.marker(controlReflected, { title: 'control First' });
marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, 0] });
marker.addTo(layerGroup);
}
points = deCasteljau([
[Number(previous[0]), Number(previous[1])],
controlReflected, [Number(line[1]), Number(line[2])]]);
exports.bezierPoint = control;
} else {
if (module.exports.debug) {
L.polyline([startPoint, exports.bezierPoint, controlReflected, endPoint], { color: 'purple' }).addTo(layerGroup);
var marker = new L.marker(exports.bezierPoint, { title: 'exports.bezierPoint' }).addTo(layerGroup);
marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, 10] });
marker.addTo(layerGroup);
var marker1 = new L.marker(controlReflected, { title: 'controlReflected' }).addTo(layerGroup);
marker1.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, -10] });
marker1.addTo(layerGroup);
}
points = deCasteljau([
[Number(previous[0]), Number(previous[1])],
exports.bezierPoint,
controlReflected,
[Number(line[1]), Number(line[2])]]);
exports.bezierPoint = control;
}
// L.polyline([previous, control, [Number(line[1]), Number(line[2])]]).addTo(layerGroup);
for (let index = 0; index < points.length; index++) {
const element = points[index];
if (element[0] === "NaN") {
console.debug(control);
}
currentFeature.slice(-1)[0].push(element);
}
} else {
var points = null;
if (module.exports.debug) {
L.polyline([startPoint, exports.bezierPoint, endPoint], { color: 'purple' }).addTo(layerGroup);
L.marker(exports.bezierPoint, { title: 'exports.bezierPoint' }).addTo(layerGroup);
}
points = deCasteljau([
[Number(previous[0]), Number(previous[1])],
exports.bezierPoint,
[Number(line[1]), Number(line[2])]]);
for (let index = 0; index < points.length; index++) {
const element = points[index];
if (element[0] === "NaN") {
console.debug(control);
}
currentFeature.slice(-1)[0].push(element);
}
}
}
//L.marker([Number(line[3]), Number(line[4])]).addTo(layerGroup);
currentFeature.slice(-1)[0].push([line[1], line[2]]);
return currentFeature;
}
/**
* @brief Reflect point p on midpoint
*/
var pointReflectionMidpoint = function (p, p0, p1) {
var dx, dy, a, b, x, y;
dx = (p0[0] + p1[0]) / 2 - p[0];
dy = (p0[1] + p1[1]) / 2 - p[1];
return [(p0[0] + p1[0]) / 2 + dx, (p0[1] + p1[1]) / 2 + dy];
}
/**
* @brief Reflect point p on midpoint
*/
var pointReflection = function (p, p0) {
var dx, dy;
dx = p0[0] - p[0];
dy = p0[1] - p[1];
return [p0[0] + dx, p0[1] + dy];
}
/**
* @brief Reflect point p along line through points p0 and p1
*
* @author Balint Morvai <balint@morvai.de>
* @license http://en.wikipedia.org/wiki/MIT_License MIT License
* @param p point to reflect
* @param p0 first point for reflection line
* @param p1 second point for reflection line
* @return object
*/
var reflect = function (p, p0, p1) {
var dx, dy, a, b, x, y;
dx = p1[0] - p0[0];
dy = p1[1] - p0[1];
a = (dx * dx - dy * dy) / (dx * dx + dy * dy);
b = 2 * dx * dy / (dx * dx + dy * dy);
x = a * (p[0] - p0[0]) + b * (p[1] - p0[1]) + p0[0];
y = b * (p[0] - p0[0]) - a * (p[1] - p0[1]) + p0[1];
return [x, y];
}
function calcMidpoint(p1, p2) {
return [(p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2];
}
function lerp(p1, p2, t) {
const s = 1 - t;
return [p1[0] * s + p2[0] * t, p1[1] * s + p2[1] * t];
}
function deCasteljau(p1, p2, control) {
const numSegments = 10;
var intermediates = [];
for (let index = 0; index <= numSegments; index++) {
p3 = lerp(p1, control, index / numSegments);
p4 = lerp(control, p2, index / numSegments);
var intermediate = lerp(p3, p4, index / numSegments);
intermediates.push([String(intermediate[0]), String(intermediate[1])]);
}
intermediates.push(p2);
return intermediates;
}
function deCasteljauSegment(pointArray, len) {
var subPoints = [];
if (pointArray.length == 1) {
return pointArray[0];
}
for (let index = 1; index < pointArray.length; index++) {
subPoints.push(lerp(pointArray[index - 1], pointArray[index], len));
}
return deCasteljauSegment(subPoints, len);
}
function deCasteljau(pointArray) {
const numSegments = 10;
var intermediates = [];
for (let index = 0; index < numSegments; index++) {
intermediates.push(deCasteljauSegment(pointArray, index / numSegments));
}
return intermediates;
}
function createPoly(currentFeature, layerGroup) {
switch (module.exports.type) {
case 110:
var taxiwayPoly = new L.Polygon(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
case 120:
var taxiwayPoly = new L.Polygon(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
case 130:
var taxiwayPoly = new L.Polygon(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, fillOpacity: .0, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
default:
break;
}
}
function createLineString(currentFeature, layerGroup) {
switch (module.exports.type) {
case 110:
var taxiwayPoly = new L.Polyline(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
case 120:
var taxiwayPoly = new L.Polyline(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
case 130:
var taxiwayPoly = new L.Polyline(currentFeature);
taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
taxiwayPoly.addTo(layerGroup);
break;
default:
break;
}
}
module.exports.readPavement = function (f, icao, cb) {
console.log(f);
var pavementLayerGroup = L.layerGroup();
var currentFeature;
lineReader.createInterface({
input: fs.createReadStream(f).pipe(zlib.createGunzip())
}).on('line', function (line) {
var fields = line.split(/[ ]+/);
// var fields = line.match('([0-9]+)');
if (fields == null)
return;
var scanMethod = scanMethods[fields[0]];
if (scanMethod != null) {
currentFeature = scanMethod(fields, icao, pavementLayerGroup, currentFeature);
}
else {
if (fields[0] == '99') {
lineReader.close();
}
// console.log('Ignored:', line);
}
}).on('error', function (err) {
console.error(err);
lr.close();
}).on('close', function () {
console.log("End");
cb(pavementLayerGroup);
});
}
module.exports.debug = false;
module.exports.isScanning = false;
module.exports.colour = 'grey';
module.exports.type = 0;
module.exports.bezierPoint = null;
var scanMethods = {
1: (line, icao) => {
// console.log('Airport:', line);
if (line[4] === icao) {
console.debug('Airport:', line);
module.exports.isScanning = true;
} else {
module.exports.isScanning = false;
}
},
// APTDAT 715 Segment
10: (line, icao, layerGroup) => {
if (module.exports.isScanning) {
//var marker = new L.marker([line[1], line[2]], { title: '10 Point', color: 'fuchsia' });
//marker.bindTooltip(String(line), { className: "my-label", offset: [0, 0] });
//marker.addTo(layerGroup);
var pointMiddle = new LatLonEllipsoidal(Number(line[1]), Number(line[2]));
var point1 = pointMiddle.destinationPoint(line[5]/6.562, line[4]);
var point2 = pointMiddle.destinationPoint(line[5]/6.562, line[4]-180);
//var runwayPoly2 = new L.Polygon([point1, point2]);
//var marker2 = new L.marker(point2, { title: '10 Point 2', color: 'fuchsia' });
//marker2.bindTooltip(String(line), { className: "my-label", offset: [0, 0] });
//marker2.addTo(layerGroup);
//runwayPoly2.setStyle({ color: 'red', interactive: false });
//runwayPoly2.addTo(layerGroup);
var runwayPoints = [];
var bearing = point1.initialBearingTo(point2);
var runwayWidth = Number(line[8])/3.281;
runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing + 90)));
runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing + 90)));
runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing - 90)));
runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing - 90)));
var runwayPoly = new L.Polygon(runwayPoints);
runwayPoly.setStyle({ color: 'grey', fillColor: 'grey', opacity: 0.5, fillOpacity: 0.5, interactive: false });
runwayPoly.addTo(layerGroup);
}
},
// Runway
100: (line, icao, layerGroup) => {
if (module.exports.isScanning) {
console.debug('Runway ', line);
var point1 = new LatLonEllipsoidal(Number(line[9]), Number(line[10]));
var point2 = new LatLonEllipsoidal(Number(line[18]), Number(line[19]));
var runwayPoints = [];
var bearing = point1.initialBearingTo(point2);
var runwayWidth = Number(line[1]);
var destination = point1.destinationPoint(1000, bearing);
runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing + 90)));
runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing + 90)));
runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing - 90)));
runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing - 90)));
var runwayPoly = new L.Polygon(runwayPoints);
runwayPoly.setStyle({ color: 'grey', interactive: false });
runwayPoly.addTo(layerGroup);
var displacedEnd1 = point1.destinationPoint(Number(line[20]), bearing)
var displacedEnd2 = point2.destinationPoint(Number(line[20]), bearing-180)
var runwayLine = new L.Polyline([displacedEnd1, displacedEnd2]);
runwayLine.setStyle({ color: 'yellow', stroke: true, dashArray: [50,50] });
runwayLine.addTo(layerGroup);
var t1 = new L.Polyline([displacedEnd1.destinationPoint(runwayWidth / 2, (bearing - 90)),
displacedEnd1.destinationPoint(runwayWidth / 2, (bearing + 90))]);
t1.setStyle({ color: 'yellow' });
t1.addTo(layerGroup);
var t2 = new L.Polyline([displacedEnd2.destinationPoint(runwayWidth / 2, (bearing - 90)),
displacedEnd2.destinationPoint(runwayWidth / 2, (bearing + 90))]);
t2.setStyle({ color: 'yellow' });
t2.addTo(layerGroup);
var runwayLine1 = new L.Polyline([point1, destination]);
runwayLine1.setStyle({ color: 'red' });
// runwayLine1.addTo(layerGroup);
}
},
// Pavement
110: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return undefined;
if (typeof currentFeature !== 'undefined') {
createPoly(currentFeature, layerGroup);
}
module.exports.colour = 'grey';
module.exports.type = 110;
return [[]];
},
120: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return undefined;
if (typeof currentFeature !== 'undefined') {
createPoly(currentFeature, layerGroup);
}
module.exports.colour = 'yellow';
module.exports.type = 120;
return [[]];
},
130: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return undefined;
if (typeof currentFeature !== 'undefined') {
createPoly(currentFeatur, layerGroup);
}
module.exports.colour = 'black';
module.exports.type = 130;
return [[]];
},
111: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return;
console.debug(line);
var previous = currentFeature.slice(-1)[0].slice(-1)[0];
if (previous !== undefined &&
previous !== null &&
previous[0] === line[1] &&
previous[1] === line[2]) {
module.exports.bezierPoint = null;
} else {
currentFeature.slice(-1)[0].push([line[1], line[2]]);
module.exports.bezierPoint = null;
}
return currentFeature;
},
// Bezier
112: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning) {
return;
}
console.debug(line);
return bezier(line, icao, layerGroup, currentFeature);
},
113: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning) {
return;
}
console.debug(line);
currentFeature.slice(-1)[0].push([line[1], line[2]]);
currentFeature.push([]);
exports.bezierPoint = null;
return currentFeature;
},
// Bezier
114: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning) {
return;
}
console.debug(line);
bezier(line, icao, layerGroup, currentFeature);
currentFeature.push([]);
exports.bezierPoint = null;
// currentFeature.slice(-1)[0].push([line[1], line[2]]);
return currentFeature;
},
115: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return;
console.debug(line);
if (exports.bezierPoint !== null) {
bezier(line, icao, layerGroup, currentFeature);
}
else {
currentFeature.slice(-1)[0].push([line[1], line[2]]);
}
createLineString(currentFeature, layerGroup);
exports.bezierPoint = null;
},
// End with Bezier
116: (line, icao, layerGroup, currentFeature) => {
if (!module.exports.isScanning)
return;
console.debug(line);
currentFeature = bezier(line, icao, layerGroup, currentFeature);
createLineString(currentFeature, layerGroup);
exports.bezierPoint = null;
// taxiwayLine.addTo(layerGroup);
},
99: (l) => {
console.log('Finished');
},
}