feat: (broken) implement route map and address autocomplete widgets with associated infrastructure testing scripts

em2rp/functions/test_interpolate.js

@@ -0,0 +1,66 @@
+const axios = require('axios');
+const polylineLib = require('@mapbox/polyline');
+require('dotenv').config({ path: '.env' });
+
+function distKm(lat1, lng1, lat2, lng2) {
+  const dLat = (lat2 - lat1) * Math.PI / 180;
+  const dLng = (lng2 - lng1) * Math.PI / 180;
+  const a = Math.sin(dLat/2)**2 + Math.cos(lat1*Math.PI/180) * Math.cos(lat2*Math.PI/180) * Math.sin(dLng/2)**2;
+  return 6371 * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+}
+
+function interpolatePolyline(coords, maxDistKm = 0.05) {
+  const newCoords = [];
+  if(coords.length === 0) return newCoords;
+  newCoords.push(coords[0]);
+  for(let i=1; i<coords.length; i++) {
+    const p1 = coords[i-1];
+    const p2 = coords[i];
+    const d = distKm(p1[0], p1[1], p2[0], p2[1]);
+    if(d > maxDistKm) {
+        const steps = Math.ceil(d / maxDistKm);
+        for(let step=1; step<steps; step++) {
+            const fraction = step / steps;
+            const lat = p1[0] + (p2[0] - p1[0]) * fraction;
+            const lng = p1[1] + (p2[1] - p1[1]) * fraction;
+            newCoords.push([lat, lng]);
+        }
+    }
+    newCoords.push(p2);
+  }
+  return newCoords;
+}
+
+async function testInterpolatedToulouse() {
+  const apiKey = process.env.API_MAPS;
+  const resToll = await axios.post('https://routes.googleapis.com/directions/v2:computeRoutes', {
+      travelMode: 'DRIVE', routingPreference: 'TRAFFIC_UNAWARE',
+      origin: { address: "25 Impasse du Puits du Suc, Saint-Martin-en-Haut, France" },
+      destination: { address: "Toulouse, France" },
+  }, { headers: { 'Content-Type': 'application/json', 'X-Goog-Api-Key': apiKey, 'X-Goog-FieldMask': 'routes.polyline.encodedPolyline' } });
+
+  const poly = resToll.data.routes[0].polyline.encodedPolyline;
+  const coords = polylineLib.decode(poly, 5);
+  
+  const interpolated = interpolatePolyline(coords, 0.05); // 50 meters
+  console.log(`Original points: ${coords.length}, Interpolated: ${interpolated.length}`);
+  
+  const polyInt = polylineLib.encode(interpolated, 5);
+
+  const ulysUrl = `https://api-ulys.azure-api.net/placemark/v2/legs?precision=5&includeLayersIds=GaresPeage`;
+  
+  try {
+      const res = await axios.post(ulysUrl, JSON.stringify(polyInt), {
+          headers: { 'Content-Type': 'application/json' }
+      });
+      const feats = res.data.features || res.data;
+      console.log(`Found ${feats.length} gates.`);
+      feats.forEach(f => {
+          const pm = f.Placemark || f.placemark || {};
+          console.log(pm.Preview || pm.preview || "Gate");
+      });
+  } catch(e) {
+      console.log("Error:", e.message);
+  }
+}
+testInterpolatedToulouse();