Bezier lines
This commit is contained in:
portree_kid
parent
cb8a49fc9d
commit
69a0e849a6
@ -2,24 +2,228 @@
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const lineReader = require('readline');
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const zlib = require('zlib');
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// const geodesy = require('geodesy');
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const LatLonEllipsoidal = require( 'geodesy/latlon-ellipsoidal-vincenty.js').default;
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const LatLonEllipsoidal = require('geodesy/latlon-ellipsoidal-vincenty.js').default;
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const fs = require('fs');
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/**
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*
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* @param {*} line
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* @param {*} icao
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* @param {*} layerGroup
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* @param {*} currentFeature
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*/
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function bezier(line, icao, layerGroup, currentFeature) {
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var previous = currentFeature.slice(-1)[0].slice(-1)[0];
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if (previous !== undefined &&
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Number(previous[0]) !== Number(line[1]) &&
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Number(previous[1]) !== Number(line[2])) {
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var midpoint = calcMidpoint([Number(previous[0]), Number(previous[1])],
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[Number(line[1]), Number(line[2])]);
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var startPoint = [Number(previous[0]), Number(previous[1])];
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var endPoint = [Number(line[1]), Number(line[2])];
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if(module.exports.debug) {
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L.polyline([startPoint, endPoint], { color: 'fuchsia' }).addTo(layerGroup);
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var marker = new L.marker(endPoint, { title: 'endpoint', color: 'fuchsia' });
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marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), { className: "my-label", offset: [0, 0] });
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marker.addTo(layerGroup);
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}
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var control = [Number(line[3]), Number(line[4])];
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if (!isNaN(control[0]) && control[0] !== undefined && !isNaN(control[1]) && control[1] !== undefined) {
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var controlReflected = pointReflection([Number(line[3]), Number(line[4])],
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[Number(line[1]), Number(line[2])]);
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// L.marker(control, { title: 'control' }).addTo(layerGroup);
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// L.marker(controlPointReflected, { title: 'controlReflected' }).addTo(layerGroup);
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// L.polyline([controlPointReflected, control], { color: 'green' }).addTo(layerGroup);
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// L.polyline([controlReflected, control], { color: 'red' }).addTo(layerGroup);
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// L.polyline([controlReflected, midpoint], { color: 'aqua' }).addTo(layerGroup);
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var modifiedControlPoint = calcMidpoint(controlReflected, midpoint);
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// var modifiedControlPoint = controlReflected;
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var points = null;
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if (exports.bezierPoint === null) {
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if (module.exports.debug) {
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L.polyline([startPoint, controlReflected, endPoint], { color: 'purple' }).addTo(layerGroup);
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var marker = new L.marker(controlReflected, { title: 'control First' });
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marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, 0] });
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marker.addTo(layerGroup);
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}
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points = deCasteljau([
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[Number(previous[0]), Number(previous[1])],
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controlReflected, [Number(line[1]), Number(line[2])]]);
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exports.bezierPoint = control;
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} else {
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if (module.exports.debug) {
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L.polyline([startPoint, exports.bezierPoint, controlReflected, endPoint], { color: 'purple' }).addTo(layerGroup);
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var marker = new L.marker(exports.bezierPoint, { title: 'exports.bezierPoint' }).addTo(layerGroup);
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marker.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, 10] });
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marker.addTo(layerGroup);
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var marker1 = new L.marker(controlReflected, { title: 'controlReflected' }).addTo(layerGroup);
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marker1.bindTooltip(String(currentFeature.slice(-1)[0].length + ' ' + line), {className: "my-label", offset: [0, -10] });
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marker1.addTo(layerGroup);
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}
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points = deCasteljau([
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[Number(previous[0]), Number(previous[1])],
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exports.bezierPoint,
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controlReflected,
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[Number(line[1]), Number(line[2])]]);
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exports.bezierPoint = control;
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}
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// L.polyline([previous, control, [Number(line[1]), Number(line[2])]]).addTo(layerGroup);
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for (let index = 0; index < points.length; index++) {
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const element = points[index];
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if (element[0] === "NaN") {
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console.log(control);
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}
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currentFeature.slice(-1)[0].push(element);
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}
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} else {
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var points = null;
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if (module.exports.debug) {
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L.polyline([startPoint, exports.bezierPoint, endPoint], { color: 'purple' }).addTo(layerGroup);
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L.marker(exports.bezierPoint, { title: 'exports.bezierPoint' }).addTo(layerGroup);
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}
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points = deCasteljau([
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[Number(previous[0]), Number(previous[1])],
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exports.bezierPoint,
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[Number(line[1]), Number(line[2])]]);
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for (let index = 0; index < points.length; index++) {
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const element = points[index];
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if (element[0] === "NaN") {
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console.log(control);
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}
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currentFeature.slice(-1)[0].push(element);
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}
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}
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}
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//L.marker([Number(line[3]), Number(line[4])]).addTo(layerGroup);
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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return currentFeature;
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}
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/**
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* @brief Reflect point p on midpoint
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*/
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var pointReflectionMidpoint = function (p, p0, p1) {
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var dx, dy, a, b, x, y;
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dx = (p0[0] + p1[0]) / 2 - p[0];
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dy = (p0[1] + p1[1]) / 2 - p[1];
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return [(p0[0] + p1[0]) / 2 + dx, (p0[1] + p1[1]) / 2 + dy];
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}
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/**
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* @brief Reflect point p on midpoint
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*/
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var pointReflection = function (p, p0) {
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var dx, dy;
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dx = p0[0] - p[0];
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dy = p0[1] - p[1];
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return [p0[0] + dx, p0[1] + dy];
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}
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/**
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* @brief Reflect point p along line through points p0 and p1
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*
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* @author Balint Morvai <balint@morvai.de>
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* @license http://en.wikipedia.org/wiki/MIT_License MIT License
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* @param p point to reflect
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* @param p0 first point for reflection line
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* @param p1 second point for reflection line
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* @return object
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*/
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var reflect = function (p, p0, p1) {
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var dx, dy, a, b, x, y;
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dx = p1[0] - p0[0];
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dy = p1[1] - p0[1];
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a = (dx * dx - dy * dy) / (dx * dx + dy * dy);
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b = 2 * dx * dy / (dx * dx + dy * dy);
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x = a * (p[0] - p0[0]) + b * (p[1] - p0[1]) + p0[0];
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y = b * (p[0] - p0[0]) - a * (p[1] - p0[1]) + p0[1];
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return [x, y];
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}
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function calcMidpoint(p1, p2) {
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return [(p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2];
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}
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function lerp(p1, p2, t) {
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const s = 1 - t;
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return [p1[0] * s + p2[0] * t, p1[1] * s + p2[1] * t];
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}
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function deCasteljau(p1, p2, control) {
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const numSegments = 10;
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var intermediates = [];
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for (let index = 0; index <= numSegments; index++) {
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p3 = lerp(p1, control, index / numSegments);
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p4 = lerp(control, p2, index / numSegments);
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var intermediate = lerp(p3, p4, index / numSegments);
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intermediates.push([String(intermediate[0]), String(intermediate[1])]);
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}
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intermediates.push(p2);
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return intermediates;
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}
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function deCasteljauSegment(pointArray, len) {
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var subPoints = [];
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if (pointArray.length == 1) {
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return pointArray[0];
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}
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for (let index = 1; index < pointArray.length; index++) {
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subPoints.push(lerp(pointArray[index - 1], pointArray[index], len));
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}
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return deCasteljauSegment(subPoints, len);
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}
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function deCasteljau(pointArray) {
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const numSegments = 10;
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var intermediates = [];
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for (let index = 0; index < numSegments; index++) {
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intermediates.push(deCasteljauSegment(pointArray, index / numSegments));
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}
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return intermediates;
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}
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function createPoly(currentFeature) {
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switch (module.exports.type) {
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case 110:
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var taxiwayPoly = new L.Polygon(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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case 120:
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var taxiwayPoly = new L.Polygon(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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case 130:
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var taxiwayPoly = new L.Polygon(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, fillOpacity: .0, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, fillOpacity: .0, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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default:
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@ -31,17 +235,17 @@ function createLineString(currentFeature) {
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switch (module.exports.type) {
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case 110:
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var taxiwayPoly = new L.Polyline(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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case 120:
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var taxiwayPoly = new L.Polyline(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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case 130:
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var taxiwayPoly = new L.Polyline(currentFeature);
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taxiwayPoly.setStyle({color: module.exports.colour, interactive: false});
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taxiwayPoly.setStyle({ color: module.exports.colour, interactive: false });
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taxiwayPoly.addTo(layerGroup);
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break;
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default:
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@ -80,15 +284,17 @@ module.exports.readPavement = function (f, icao, cb) {
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});
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}
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module.exports.debug = false;
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module.exports.isScanning = false;
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module.exports.colour = 'grey';
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module.exports.type = 0;
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module.exports.bezierPoint = null;
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var scanMethods = {
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1: (line, icao) => {
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// console.log('Airport:', line);
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if (line[4]===icao){
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if (line[4] === icao) {
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console.log('Airport:', line);
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module.exports.isScanning = true;
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} else {
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@ -98,41 +304,40 @@ var scanMethods = {
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// Runway
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100: (line, icao, layerGroup) => {
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if (module.exports.isScanning) {
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console.log('Runway ', line );
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var point1 = new LatLonEllipsoidal(Number(line[9]), Number(line[10]));
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var point2 = new LatLonEllipsoidal(Number(line[18]), Number(line[19]));
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console.log('Runway ', line);
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var point1 = new LatLonEllipsoidal(Number(line[9]), Number(line[10]));
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var point2 = new LatLonEllipsoidal(Number(line[18]), Number(line[19]));
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var runwayPoints = [];
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var runwayPoints = [];
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var bearing = point1.initialBearingTo(point2);
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var runwayWidth = Number(line[1]);
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var destination = point1.destinationPoint( 1000, bearing);
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var bearing = point1.initialBearingTo(point2);
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var runwayWidth = Number(line[1]);
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var destination = point1.destinationPoint(1000, bearing);
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runwayPoints.push(point1.destinationPoint( runwayWidth/2, (bearing+90)));
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runwayPoints.push(point2.destinationPoint( runwayWidth/2, (bearing+90)));
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runwayPoints.push(point2.destinationPoint( runwayWidth/2, (bearing-90)));
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runwayPoints.push(point1.destinationPoint( runwayWidth/2, (bearing-90)));
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runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing + 90)));
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runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing + 90)));
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runwayPoints.push(point2.destinationPoint(runwayWidth / 2, (bearing - 90)));
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runwayPoints.push(point1.destinationPoint(runwayWidth / 2, (bearing - 90)));
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var runwayPoly = new L.Polygon(runwayPoints);
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runwayPoly.setStyle({color: 'grey', interactive: false});
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runwayPoly.addTo(layerGroup);
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var runwayPoly = new L.Polygon(runwayPoints);
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runwayPoly.setStyle({ color: 'grey', interactive: false });
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runwayPoly.addTo(layerGroup);
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var runwayLine = new L.Polyline([point1,point2]);
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runwayLine.setStyle({color: 'red'});
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// runwayLine.addTo(layerGroup);
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var runwayLine = new L.Polyline([point1, point2]);
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runwayLine.setStyle({ color: 'red' });
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// runwayLine.addTo(layerGroup);
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var runwayLine1 = new L.Polyline([point1 ,destination]);
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runwayLine1.setStyle({color: 'red'});
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// runwayLine1.addTo(layerGroup);
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var runwayLine1 = new L.Polyline([point1, destination]);
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runwayLine1.setStyle({ color: 'red' });
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// runwayLine1.addTo(layerGroup);
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}
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},
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// Pavement
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110: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return undefined;
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if(typeof currentFeature !== 'undefined')
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{
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return undefined;
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if (typeof currentFeature !== 'undefined') {
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createPoly(currentFeature);
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}
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module.exports.colour = 'grey';
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@ -141,9 +346,8 @@ var scanMethods = {
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},
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120: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return undefined;
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if(typeof currentFeature !== 'undefined')
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{
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return undefined;
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if (typeof currentFeature !== 'undefined') {
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createPoly(currentFeature);
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}
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module.exports.colour = 'yellow';
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@ -152,9 +356,8 @@ var scanMethods = {
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},
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130: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return undefined;
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if(typeof currentFeature !== 'undefined')
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{
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return undefined;
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if (typeof currentFeature !== 'undefined') {
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createPoly(currentFeature);
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}
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module.exports.colour = 'black';
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@ -163,48 +366,76 @@ var scanMethods = {
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},
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111: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return;
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return;
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console.log(line);
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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var previous = currentFeature.slice(-1)[0].slice(-1)[0];
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if (previous !== undefined &&
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previous !== null &&
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previous[0] === line[1] &&
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previous[1] === line[2]) {
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module.exports.bezierPoint = null;
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} else {
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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module.exports.bezierPoint = null;
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}
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return currentFeature;
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},
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// Bezier
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112: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return;
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if (!module.exports.isScanning) {
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return;
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}
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console.log(line);
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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return currentFeature;
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return bezier(line, icao, layerGroup, currentFeature);
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},
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113: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return;
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if (!module.exports.isScanning) {
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return;
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}
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console.log(line);
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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currentFeature.push([]);
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exports.bezierPoint = null;
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return currentFeature;
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},
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// Bezier
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114: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return;
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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if (!module.exports.isScanning) {
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return;
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}
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console.log(line);
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bezier(line, icao, layerGroup, currentFeature);
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currentFeature.push([]);
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exports.bezierPoint = null;
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// currentFeature.slice(-1)[0].push([line[1], line[2]]);
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return currentFeature;
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},
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115: (line, icao, layerGroup, currentFeature) => {
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if (!module.exports.isScanning)
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return;
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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return;
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console.log(line);
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if (exports.bezierPoint !== null) {
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bezier(line, icao, layerGroup, currentFeature);
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}
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else {
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currentFeature.slice(-1)[0].push([line[1], line[2]]);
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}
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createLineString(currentFeature);
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||||
exports.bezierPoint = null;
|
||||
},
|
||||
// End with Bezier
|
||||
116: (line, icao, layerGroup, currentFeature) => {
|
||||
if (!module.exports.isScanning)
|
||||
return;
|
||||
currentFeature.slice(-1)[0].push([line[1], line[2]]);
|
||||
return;
|
||||
console.log(line);
|
||||
currentFeature = bezier(line, icao, layerGroup, currentFeature);
|
||||
createLineString(currentFeature);
|
||||
// taxiwayLine.addTo(layerGroup);
|
||||
exports.bezierPoint = null;
|
||||
// taxiwayLine.addTo(layerGroup);
|
||||
},
|
||||
99: (l) => {
|
||||
console.log('Finished');
|
||||
}
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -36,6 +36,28 @@ var scanMethods = {
|
||||
});
|
||||
return promise;
|
||||
},
|
||||
16: async (l, apts) => {
|
||||
var promise = new Promise(function (resolve, reject) {
|
||||
logger('info', 'Seaplane:', l);
|
||||
icao = l[4];
|
||||
saveName(apts, l[4], l.slice(5).join(' ').replace('\t', ' '))
|
||||
.then(result => {
|
||||
resolve(result)
|
||||
}).catch( err => {reject(err)});
|
||||
});
|
||||
return promise;
|
||||
},
|
||||
17: async (l, apts) => {
|
||||
var promise = new Promise(function (resolve, reject) {
|
||||
logger('info', 'Heliport:', l);
|
||||
icao = l[4];
|
||||
saveName(apts, l[4], l.slice(5).join(' ').replace('\t', ' '))
|
||||
.then(result => {
|
||||
resolve(result)
|
||||
}).catch( err => {reject(err)});
|
||||
});
|
||||
return promise;
|
||||
},
|
||||
18: async (l, apts) => {
|
||||
var promise = new Promise(function (resolve, reject) {
|
||||
logger('info','Airport light beacon:', l);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user