Pavement loader

2020-01-02 20:13:24 +01:00
parent 7f07026fb7
commit d6721faceb
5 changed files with 269 additions and 1 deletions
@@ -0,0 +1,156 @@
+/* eslint-disable */
+const lineReader = require('readline');
+const zlib = require('zlib');
+const turf = require('@turf/turf');
+const fs = require('fs');
+
+module.exports.readPavement = function (f, icao, cb) {
+    console.log(f);
+    layerGroup = 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, layerGroup, currentFeature);
+        }
+        else {
+            if (fields[0] == '99') {
+                lineReader.close();
+            }
+            // console.log('Ignored:', line);
+        }
+    }).on('error', function (err) {
+        console.log(err);
+        lr.close();
+    }).on('close', function () {
+        console.log("End");
+        cb(layerGroup);
+    });
+}
+
+module.exports.isScanning = false;
+
+
+var scanMethods = {
+    1: (line, icao) => {
+        console.log('Airport:', line);
+        if (line[4]===icao){
+            module.exports.isScanning = true;
+        } else {
+            module.exports.isScanning = false;
+        }
+    },
+    // Runway
+    100: (line, icao, layerGroup) => {
+        if (module.exports.isScanning) {
+          console.log('Runway ', line );  
+          var point1 = turf.point([line[9], line[10]]);
+          var point2 = turf.point([line[18], line[19]]);
+
+          var runwayPoints = [];
+
+          var bearing = turf.bearing(point1, point2);
+          var runwayEnd1 = [line[9], line[10]];
+          var runwayEnd2 = [line[18], line[19]];
+          var runwayWidth = Number(line[1])/1000;
+          var destination = turf.destination(point1, runwayWidth/2, bearing, {});
+
+          runwayPoints.push(turf.destination(point1, runwayWidth/2, bearing+90, {}));
+          runwayPoints.push(turf.destination(point2, runwayWidth/2, bearing+90, {}));
+          runwayPoints.push(turf.destination(point2, runwayWidth/2, bearing-90, {}));
+          runwayPoints.push(turf.destination(point1, runwayWidth/2, bearing-90, {}));
+          
+          runwayPoints = runwayPoints.map(p => p.geometry.coordinates);
+
+          var runwayPoly = new L.Polygon(runwayPoints);
+          runwayPoly.setStyle({color: 'grey'});
+          runwayPoly.addTo(layerGroup);
+
+          console.log(turf.bearing(point1, point2), turf.bearing(point2, point1));
+          console.log(runwayEnd1, runwayEnd2);
+
+
+          // var end = turf.destination([start.lat, start.lng], this.attributes.radius / 1000, this.attributes.heading - 180, options);
+          
+        }
+    },
+    // Pavement
+    110: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return undefined;
+        if(typeof currentFeature !== 'undefined')
+        {
+          var taxiwayPoly = new L.Polygon(currentFeature);
+          taxiwayPoly.setStyle({color: 'grey'});
+          taxiwayPoly.addTo(layerGroup);      
+        }
+        return [[]];
+    },
+    120: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return undefined;
+        return [[]];
+    },
+    130: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return undefined;
+        return [[]];
+    },
+    111: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+        console.log(line);
+        currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        return currentFeature;
+    },
+    112: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+        console.log(line);
+        currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        return currentFeature;
+    },
+    113: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+        currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        currentFeature.push([]);
+        return currentFeature;
+    },
+    114: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+        currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        currentFeature.push([]);
+        return currentFeature;
+    },
+    115: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+          currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        var taxiwayLine = new L.Polyline(currentFeature);
+        taxiwayLine.setStyle({color: 'red'});
+        // taxiwayLine.addTo(layerGroup);      
+    },
+    116: (line, icao, layerGroup, currentFeature) => {
+        if (!module.exports.isScanning)
+          return;
+          currentFeature.slice(-1)[0].push([line[1], line[2]]);
+        var taxiwayLine = new L.Polyline(currentFeature);
+        taxiwayLine.setStyle({color: 'red'});
+        // taxiwayLine.addTo(layerGroup);      
+    },
+    99: (l) => {
+        console.log('Finished');
+    }
+}
+
+
+