Add synchronized approximate and precise maps

kort7/app.js

@@ -9,19 +9,22 @@ const COLORS = {
   "Bil 10": "#00c853"
 };
 
-const map = L.map("map").setView([55.6761, 12.5683], 13);
+const POSITION_OFFSETS = {
-window.__debugMap = map;
+  "Bil 1": { northM: 180, eastM: -120 },
-
+  "Bil 2": { northM: -260, eastM: 210 },
-L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+  "Bil 3": { northM: 140, eastM: 160 },
-  attribution: "© OpenStreetMap contributors",
+  "Bil 4": { northM: -180, eastM: -190 },
-  maxZoom: 19
+  "Bil 5": { northM: 210, eastM: 110 },
-}).addTo(map);
+  "Bil 8": { northM: -320, eastM: 240 },
+  "Bil 9": { northM: -420, eastM: 460 },
+  "Bil 10": { northM: 520, eastM: -620 }
+};
 
 const statusEl = document.getElementById("status");
-const alertsEl = document.getElementById("presenceAlerts");
 const selectedVehicleInfoEl = document.getElementById("selectedVehicleInfo");
 const runtimeWarningEl = document.getElementById("runtimeWarning");
-const offmapIndicatorsEl = document.getElementById("offmapIndicators");
+const alertsApproxEl = document.getElementById("presenceAlertsApprox");
+const alertsTrueEl = document.getElementById("presenceAlertsTrue");
 const playBtn = document.getElementById("playBtn");
 const pauseBtn = document.getElementById("pauseBtn");
 const resetBtn = document.getElementById("resetBtn");
@@ -30,149 +33,44 @@ if (window.location.protocol === "file:") {
   runtimeWarningEl.hidden = false;
 }
 
-let forcedPopupVehicle = null;
+function metersToLatLon(lat, northM, eastM) {
-
+  const metersPerDegLat = 111320;
-function highlightOffmapIndicator(name) {
+  const metersPerDegLon = 111320 * Math.cos(lat * Math.PI / 180);
-  const buttons = offmapIndicatorsEl.querySelectorAll('.offmap-indicator');
+  return {
-  buttons.forEach((button) => {
+    lat: lat + northM / metersPerDegLat,
-    button.classList.toggle('active', button.dataset.vehicle === name);
+    lon: eastM / metersPerDegLon
-  });
+  };
 }
 
-function renderSelectedVehicleInfo(v, sourceLabel = "kort") {
+function withTruePosition(event) {
-  if (!v) {
+  const offset = POSITION_OFFSETS[event.vehicle] || { northM: 0, eastM: 0 };
-    selectedVehicleInfoEl.textContent = "Klik på et køretøj eller en hjørneindikator for detaljer.";
+  const shifted = metersToLatLon(event.lat, offset.northM, offset.eastM);
-    return;
+  return {
+    ...event,
+    approxLat: event.lat,
+    approxLon: event.lon,
+    trueLat: shifted.lat,
+    trueLon: event.lon + shifted.lon
+  };
+}
+
+function buildVehicleBuckets(events) {
+  const out = {};
+  for (const rawEvent of events) {
+    const e = withTruePosition(rawEvent);
+    if (!out[e.vehicle]) out[e.vehicle] = [];
+    out[e.vehicle].push(e);
   }
-
+  for (const k of Object.keys(out)) {
-  selectedVehicleInfoEl.innerHTML = `
+    out[k].sort((a, b) => a.ts - b.ts);
-    <strong>${v.name} · valgt fra ${sourceLabel}</strong>
-    Tid: ${fmtTs(v.current.ts)}<br>
-    Position: ${v.displayLat.toFixed(5)}, ${v.displayLon.toFixed(5)}<br>
-    Hastighed: ${v.current.speedMps} m/s<br>
-    Retning: ${v.displayHeading.toFixed(0)}°<br>
-    Usikkerhed: ${v.current.uncertaintyM} m<br>
-    Status: ${v.presenceStateLabel || "ja"}
-  `;
-}
-
-function flashVehicleMarker(v) {
-  const markerEl = v.marker.getElement();
-  if (!markerEl) return;
-
-  markerEl.classList.remove("flash-marker");
-  void markerEl.offsetWidth;
-  markerEl.classList.add("flash-marker");
-}
-
-function openVehiclePopup(name) {
-  const v = vehicles[name];
-  if (!v) return;
-
-  forcedPopupVehicle = name;
-  highlightOffmapIndicator(name);
-  renderSelectedVehicleInfo(v, "hjørneindikator");
-
-  if (!map.hasLayer(v.marker)) {
-    v.marker.addTo(map);
   }
-
+  return out;
-  const focusBounds = L.latLng(v.displayLat, v.displayLon).toBounds(Math.max(v.current.uncertaintyM * 0.6, 1200));
-  map.fitBounds(focusBounds, {
-    animate: true,
-    duration: 0.5,
-    paddingTopLeft: [290, 60],
-    paddingBottomRight: [80, 80],
-    maxZoom: 13
-  });
-
-  v.marker.setOpacity(1);
-  v.marker.setZIndexOffset(1000);
-  v.marker.setLatLng([v.displayLat, v.displayLon]);
-  setHeading(v.marker, v.displayHeading);
-  v.marker.setPopupContent(popupHtml(v.name, v));
-
-  window.setTimeout(() => {
-    v.marker.openPopup();
-    flashVehicleMarker(v);
-  }, 180);
-}
-
-function carIcon(color) {
-  return L.divIcon({
-    className: "",
-    iconSize: [24, 24],
-    iconAnchor: [12, 12],
-    html: `
-      <div class="car" data-role="car">
-        <svg viewBox="0 0 24 24" aria-hidden="true">
-          <path
-            d="M12 2 L20 22 L12 18 L4 22 Z"
-            fill="${color}"
-            stroke="#ffffff"
-            stroke-width="1.5"
-          />
-        </svg>
-      </div>
-    `
-  });
-}
-
-function setHeading(marker, deg) {
-  const el = marker.getElement();
-  if (!el) return;
-  const car = el.querySelector("[data-role=car]");
-  if (!car) return;
-  car.style.transform = `rotate(${deg}deg)`;
 }
 
 function fmtTs(ts) {
   return `${ts}s`;
 }
 
-function getDirectionInfo(lat, lon, bounds) {
-  const centerLat = (bounds.getSouth() + bounds.getNorth()) / 2;
-  const centerLon = (bounds.getWest() + bounds.getEast()) / 2;
-  const dLat = lat - centerLat;
-  const dLon = lon - centerLon;
-
-  const vertical = Math.abs(dLat) > 0.01 ? (dLat > 0 ? "N" : "S") : "";
-  const horizontal = Math.abs(dLon) > 0.01 ? (dLon > 0 ? "Ø" : "V") : "";
-  const label = `${vertical}${horizontal}` || "Nær kanten";
-
-  const arrowMap = {
-    "N": "↑",
-    "S": "↓",
-    "Ø": "→",
-    "V": "←",
-    "NØ": "↗",
-    "NV": "↖",
-    "SØ": "↘",
-    "SV": "↙",
-    "Nær kanten": "•"
-  };
-
-  return {
-    label,
-    arrow: arrowMap[label] || "•"
-  };
-}
-
-function popupHtml(name, state) {
-  return `
-    <div style="font:13px/1.4 system-ui,sans-serif;min-width:190px;">
-      <div style="font-weight:600;margin-bottom:6px;">${name}</div>
-      <div><strong>Tid:</strong> ${fmtTs(state.current.ts)}</div>
-      <div><strong>Lat:</strong> ${state.displayLat.toFixed(5)}</div>
-      <div><strong>Lon:</strong> ${state.displayLon.toFixed(5)}</div>
-      <div><strong>Hastighed:</strong> ${state.current.speedMps} m/s</div>
-      <div><strong>Retning:</strong> ${state.displayHeading.toFixed(0)}°</div>
-      <div><strong>Usikkerhed:</strong> ${state.current.uncertaintyM} m</div>
-      <div><strong>På kortet:</strong> ${state.presenceStateLabel || "ja"}</div>
-    </div>
-  `;
-}
-
 function smoothstep(t) {
   t = Math.max(0, Math.min(1, t));
   return t * t * (3 - 2 * t);
@@ -187,26 +85,12 @@ function lerpAngleDeg(a, b, t) {
   return (a + d * t + 360) % 360;
 }
 
-function buildVehicleBuckets(events) {
-  const out = {};
-  for (const e of events) {
-    if (!out[e.vehicle]) out[e.vehicle] = [];
-    out[e.vehicle].push({ ...e });
-  }
-  for (const k of Object.keys(out)) {
-    out[k].sort((a, b) => a.ts - b.ts);
-  }
-  return out;
-}
-
 function metersBetween(lat1, lon1, lat2, lon2) {
   const meanLatRad = ((lat1 + lat2) / 2) * Math.PI / 180;
   const metersPerDegLat = 111320;
   const metersPerDegLon = 111320 * Math.cos(meanLatRad);
-
   const dLatM = (lat2 - lat1) * metersPerDegLat;
   const dLonM = (lon2 - lon1) * metersPerDegLon;
-
   return Math.hypot(dLatM, dLonM);
 }
 
@@ -215,14 +99,8 @@ function clamp(value, min, max) {
 }
 
 function distanceToBoundsMeters(lat, lon, bounds) {
-  const south = bounds.getSouth();
+  const clampedLat = clamp(lat, bounds.getSouth(), bounds.getNorth());
-  const north = bounds.getNorth();
+  const clampedLon = clamp(lon, bounds.getWest(), bounds.getEast());
-  const west = bounds.getWest();
-  const east = bounds.getEast();
-
-  const clampedLat = clamp(lat, south, north);
-  const clampedLon = clamp(lon, west, east);
-
   return metersBetween(lat, lon, clampedLat, clampedLon);
 }
 
@@ -233,52 +111,117 @@ function maxDistanceToBoundsCornerMeters(lat, lon, bounds) {
     [bounds.getNorth(), bounds.getWest()],
     [bounds.getNorth(), bounds.getEast()]
   ];
-
   return Math.max(...corners.map(([cornerLat, cornerLon]) =>
     metersBetween(lat, lon, cornerLat, cornerLon)
   ));
 }
 
-function getPresenceState(lat, lon, uncertaintyM) {
+function getDirectionInfo(lat, lon, bounds) {
-  const bounds = map.getBounds();
+  const centerLat = (bounds.getSouth() + bounds.getNorth()) / 2;
-  const centerInside = bounds.contains([lat, lon]);
+  const centerLon = (bounds.getWest() + bounds.getEast()) / 2;
+  const dLat = lat - centerLat;
+  const dLon = lon - centerLon;
+  const vertical = Math.abs(dLat) > 0.01 ? (dLat > 0 ? "N" : "S") : "";
+  const horizontal = Math.abs(dLon) > 0.01 ? (dLon > 0 ? "Ø" : "V") : "";
+  const label = `${vertical}${horizontal}` || "Nær kanten";
+  const arrowMap = { "N": "↑", "S": "↓", "Ø": "→", "V": "←", "NØ": "↗", "NV": "↖", "SØ": "↘", "SV": "↙", "Nær kanten": "•" };
+  return { label, arrow: arrowMap[label] || "•" };
+}
 
-  if (centerInside) {
+function carIcon(color) {
-    return {
+  return L.divIcon({
-      code: "inside",
+    className: "",
-      label: "ja"
+    iconSize: [24, 24],
-    };
+    iconAnchor: [12, 12],
+    html: `
+      <div class="car" data-role="car">
+        <svg viewBox="0 0 24 24" aria-hidden="true">
+          <path d="M12 2 L20 22 L12 18 L4 22 Z" fill="${color}" stroke="#ffffff" stroke-width="1.5" />
+        </svg>
+      </div>
+    `
+  });
+}
+
+function setHeading(marker, deg) {
+  const el = marker.getElement();
+  if (!el) return;
+  const car = el.querySelector("[data-role=car]");
+  if (!car) return;
+  car.style.transform = `rotate(${deg}deg)`;
+}
+
+function popupHtml(view, name, state) {
+  return `
+    <div style="font:13px/1.4 system-ui,sans-serif;min-width:190px;">
+      <div style="font-weight:600;margin-bottom:6px;">${name} · ${view.label}</div>
+      <div><strong>Tid:</strong> ${fmtTs(state.current.ts)}</div>
+      <div><strong>Lat:</strong> ${state.displayLat.toFixed(5)}</div>
+      <div><strong>Lon:</strong> ${state.displayLon.toFixed(5)}</div>
+      <div><strong>Hastighed:</strong> ${state.current.speedMps} m/s</div>
+      <div><strong>Retning:</strong> ${state.displayHeading.toFixed(0)}°</div>
+      <div><strong>Usikkerhed:</strong> ${state.current.uncertaintyM} m</div>
+      <div><strong>På kortet:</strong> ${state.presenceStateLabel || "ja"}</div>
+    </div>
+  `;
+}
+
+function renderSelectedVehicleInfo(selection) {
+  if (!selection) {
+    selectedVehicleInfoEl.textContent = "Klik på et køretøj eller en hjørneindikator for detaljer.";
+    return;
   }
 
+  selectedVehicleInfoEl.innerHTML = `
+    <strong>${selection.name} · ${selection.viewLabel}</strong>
+    Kilde: ${selection.source}<br>
+    Tid: ${fmtTs(selection.state.current.ts)}<br>
+    Position: ${selection.state.displayLat.toFixed(5)}, ${selection.state.displayLon.toFixed(5)}<br>
+    Hastighed: ${selection.state.current.speedMps} m/s<br>
+    Retning: ${selection.state.displayHeading.toFixed(0)}°<br>
+    Usikkerhed: ${selection.state.current.uncertaintyM} m<br>
+    Status: ${selection.state.presenceStateLabel}
+  `;
+}
+
+function createView({ id, label, positionKey, alertsEl, indicatorsId }) {
+  const map = L.map(id).setView([55.6761, 12.5683], 13);
+  L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+    attribution: "&copy; OpenStreetMap contributors",
+    maxZoom: 19
+  }).addTo(map);
+
+  return {
+    id,
+    label,
+    positionKey,
+    alertsEl,
+    indicatorsEl: document.getElementById(indicatorsId),
+    map,
+    vehicles: {}
+  };
+}
+
+function getPresenceState(view, lat, lon, uncertaintyM) {
+  const bounds = view.map.getBounds();
+  if (bounds.contains([lat, lon])) {
+    return { code: "inside", label: "ja" };
+  }
   if (uncertaintyM > 0) {
     const distToBounds = distanceToBoundsMeters(lat, lon, bounds);
     if (distToBounds <= uncertaintyM) {
       const maxCornerDistance = maxDistanceToBoundsCornerMeters(lat, lon, bounds);
       if (uncertaintyM >= maxCornerDistance) {
-        return {
+        return { code: "covers", label: "dækker hele kortet" };
-          code: "covers",
-          label: "dækker hele kortet"
-        };
       }
-
+      return { code: "possible", label: "muligvis" };
-      return {
-        code: "possible",
-        label: "muligvis"
-      };
     }
   }
-
+  return { code: "outside", label: "nej" };
-  return {
-    code: "outside",
-    label: "nej"
-  };
 }
 
-function ensureUncertaintyCircle(v) {
+function ensureUncertaintyCircle(view, v) {
-  if (v.uncertaintyCircle || v.current.uncertaintyM <= 0) {
+  if (v.uncertaintyCircle || v.current.uncertaintyM <= 0) return;
-    return;
-  }
-
   v.uncertaintyCircle = L.circle([v.displayLat, v.displayLon], {
     radius: v.current.uncertaintyM,
     color: v.color,
@@ -288,32 +231,19 @@ function ensureUncertaintyCircle(v) {
     fillColor: v.color,
     fillOpacity: 0.08,
     interactive: false
-  }).addTo(map);
+  }).addTo(view.map);
 }
 
-function syncUncertaintyCircle(v) {
+function syncUncertaintyCircle(view, v) {
-  if (v.current.uncertaintyM > 0) {
+  if (v.current.uncertaintyM > 0) ensureUncertaintyCircle(view, v);
-    ensureUncertaintyCircle(v);
+  if (!v.uncertaintyCircle) return;
-  }
-
-  if (!v.uncertaintyCircle) {
-    return;
-  }
-
   if (v.current.uncertaintyM <= 0) {
-    if (map.hasLayer(v.uncertaintyCircle)) {
+    if (view.map.hasLayer(v.uncertaintyCircle)) view.map.removeLayer(v.uncertaintyCircle);
-      map.removeLayer(v.uncertaintyCircle);
-    }
     return;
   }
-
+  if (!view.map.hasLayer(v.uncertaintyCircle)) v.uncertaintyCircle.addTo(view.map);
-  if (!map.hasLayer(v.uncertaintyCircle)) {
-    v.uncertaintyCircle.addTo(map);
-  }
-
   v.uncertaintyCircle.setLatLng([v.displayLat, v.displayLon]);
   v.uncertaintyCircle.setRadius(v.current.uncertaintyM);
-
   if (v.presenceState === "inside") {
     v.uncertaintyCircle.setStyle({ opacity: 0.7, fillOpacity: 0.08 });
   } else if (v.presenceState === "covers") {
@@ -328,62 +258,53 @@ function syncUncertaintyCircle(v) {
 const vehicleEvents = buildVehicleBuckets(VEHICLE_EVENTS);
 const vehicleNames = Object.keys(vehicleEvents);
 
-const vehicles = {};
+const views = [
+  createView({ id: "mapApprox", label: "Tilnærmet position", positionKey: "approx", alertsEl: alertsApproxEl, indicatorsId: "offmapIndicatorsApprox" }),
+  createView({ id: "mapTrue", label: "Præcis position", positionKey: "true", alertsEl: alertsTrueEl, indicatorsId: "offmapIndicatorsTrue" })
+];
 
-for (const name of vehicleNames) {
+function getEventLatLon(event, positionKey) {
-  const first = vehicleEvents[name][0];
+  if (positionKey === "true") return { lat: event.trueLat, lon: event.trueLon };
-  const color = COLORS[name] || "#2979ff";
+  return { lat: event.approxLat, lon: event.approxLon };
+}
 
-  const marker = L.marker([first.lat, first.lon], {
+for (const view of views) {
-    icon: carIcon(color)
+  for (const name of vehicleNames) {
-  }).addTo(map);
+    const first = vehicleEvents[name][0];
+    const color = COLORS[name] || "#2979ff";
+    const firstPos = getEventLatLon(first, view.positionKey);
+    const marker = L.marker([firstPos.lat, firstPos.lon], { icon: carIcon(color) }).addTo(view.map);
+    const trail = L.polyline([[firstPos.lat, firstPos.lon]], { color, weight: 3, opacity: 0.85 }).addTo(view.map);
 
-  const trail = L.polyline([[first.lat, first.lon]], {
+    view.vehicles[name] = {
-    color,
+      name,
-    weight: 3,
+      color,
-    opacity: 0.85
+      events: vehicleEvents[name],
-  }).addTo(map);
+      marker,
+      trail,
+      uncertaintyCircle: null,
+      currentIndex: 0,
+      current: first,
+      next: vehicleEvents[name][1] || null,
+      displayLat: firstPos.lat,
+      displayLon: firstPos.lon,
+      displayHeading: first.headingDeg,
+      presenceState: "inside",
+      presenceStateLabel: "ja"
+    };
 
-  let uncertaintyCircle = null;
+    marker.bindPopup(popupHtml(view, name, view.vehicles[name]));
-  if (first.uncertaintyM > 0) {
+    marker.on("click", () => {
-    uncertaintyCircle = L.circle([first.lat, first.lon], {
+      renderSelectedVehicleInfo({
-      radius: first.uncertaintyM,
+        name,
-      color: color,
+        viewLabel: view.label,
-      weight: 2,
+        source: "kort",
-      dashArray: "6,6",
+        state: view.vehicles[name]
-      opacity: 0.7,
+      });
-      fillColor: color,
+    });
-      fillOpacity: 0.08,
+    setHeading(marker, first.headingDeg);
-      interactive: false
+    syncUncertaintyCircle(view, view.vehicles[name]);
-    }).addTo(map);
   }
-
-  vehicles[name] = {
-    name,
-    color,
-    events: vehicleEvents[name],
-    marker,
-    trail,
-    uncertaintyCircle,
-    currentIndex: 0,
-    current: first,
-    next: vehicleEvents[name][1] || null,
-    displayLat: first.lat,
-    displayLon: first.lon,
-    displayHeading: first.headingDeg,
-    lastTrailLat: first.lat,
-    lastTrailLon: first.lon,
-    presenceState: "inside",
-    presenceStateLabel: "ja"
-  };
-
-  marker.bindPopup(popupHtml(name, vehicles[name]));
-  marker.on("click", () => {
-    forcedPopupVehicle = name;
-    highlightOffmapIndicator(null);
-    renderSelectedVehicleInfo(vehicles[name], "kort");
-  });
-  setHeading(marker, first.headingDeg);
 }
 
 let simTime = 0;
@@ -391,201 +312,158 @@ let lastFrameTime = null;
 let running = true;
 const TIME_SCALE = 0.175;
 
-function resetDemo() {
-  simTime = 0;
-  lastFrameTime = null;
-  forcedPopupVehicle = null;
-  highlightOffmapIndicator(null);
-  renderSelectedVehicleInfo(null);
-
-  for (const name of vehicleNames) {
-    const v = vehicles[name];
-    const first = v.events[0];
-
-    v.currentIndex = 0;
-    v.current = first;
-    v.next = v.events[1] || null;
-    v.displayLat = first.lat;
-    v.displayLon = first.lon;
-    v.displayHeading = first.headingDeg;
-    v.lastTrailLat = first.lat;
-    v.lastTrailLon = first.lon;
-    v.presenceState = "inside";
-    v.presenceStateLabel = "ja";
-
-    v.marker.setLatLng([first.lat, first.lon]);
-    setHeading(v.marker, first.headingDeg);
-    v.marker.setPopupContent(popupHtml(name, v));
-
-    v.trail.setLatLngs([[first.lat, first.lon]]);
-    v.trail.setStyle({ opacity: 0.85 });
-
-    syncUncertaintyCircle(v);
-
-    if (!map.hasLayer(v.marker)) {
-      v.marker.addTo(map);
-    }
-  }
-
-  updateStatus();
-}
-
 function advanceVehiclePointers(v) {
   while (v.next && simTime >= v.next.ts) {
     v.currentIndex += 1;
     v.current = v.events[v.currentIndex];
     v.next = v.events[v.currentIndex + 1] || null;
-
-    v.trail.addLatLng([v.current.lat, v.current.lon]);
-    v.lastTrailLat = v.current.lat;
-    v.lastTrailLon = v.current.lon;
   }
 }
 
-function updateVehicleDisplay(v) {
+function updateVehicleDisplay(view, v) {
   advanceVehiclePointers(v);
-
+  let latLon = getEventLatLon(v.current, view.positionKey);
-  let lat = v.current.lat;
+  let lat = latLon.lat;
-  let lon = v.current.lon;
+  let lon = latLon.lon;
   let heading = v.current.headingDeg;
 
   if (v.next) {
     const dt = v.next.ts - v.current.ts;
     const raw = dt > 0 ? (simTime - v.current.ts) / dt : 1;
     const t = smoothstep(raw);
-
+    const nextLatLon = getEventLatLon(v.next, view.positionKey);
-    lat = lerp(v.current.lat, v.next.lat, t);
+    lat = lerp(latLon.lat, nextLatLon.lat, t);
-    lon = lerp(v.current.lon, v.next.lon, t);
+    lon = lerp(latLon.lon, nextLatLon.lon, t);
     heading = lerpAngleDeg(v.current.headingDeg, v.next.headingDeg, t);
-  } else {
-    const age = simTime - v.current.ts;
-    const predictFor = Math.min(age, 8);
-    const meters = v.current.speedMps * predictFor;
-
-    const rad = v.current.headingDeg * Math.PI / 180;
-    const northM = Math.cos(rad) * meters;
-    const eastM = Math.sin(rad) * meters;
-
-    const metersPerDegLat = 111320;
-    const metersPerDegLon = 111320 * Math.cos(v.current.lat * Math.PI / 180);
-
-    lat = v.current.lat + northM / metersPerDegLat;
-    lon = v.current.lon + eastM / metersPerDegLon;
-    heading = v.current.headingDeg;
   }
 
   v.displayLat = lat;
   v.displayLon = lon;
   v.displayHeading = heading;
+  v.presenceState = getPresenceState(view, lat, lon, v.current.uncertaintyM).code;
+  v.presenceStateLabel = getPresenceState(view, lat, lon, v.current.uncertaintyM).label;
 
-  const presence = getPresenceState(lat, lon, v.current.uncertaintyM);
+  if (v.presenceState === "inside") {
-  v.presenceState = presence.code;
+    if (!view.map.hasLayer(v.marker)) v.marker.addTo(view.map);
-  v.presenceStateLabel = presence.label;
-
-  const shouldForcePopup = forcedPopupVehicle === v.name;
-
-  if (presence.code === "inside" || shouldForcePopup) {
-    if (!map.hasLayer(v.marker)) {
-      v.marker.addTo(map);
-    }
-    v.marker.setOpacity(1);
-    v.marker.setZIndexOffset(shouldForcePopup ? 1000 : 0);
     v.marker.setLatLng([lat, lon]);
     setHeading(v.marker, heading);
     v.trail.setStyle({ opacity: 0.85 });
   } else {
-    v.marker.closePopup();
+    if (view.map.hasLayer(v.marker)) view.map.removeLayer(v.marker);
-    v.marker.setZIndexOffset(0);
+    v.trail.setStyle({ opacity: v.presenceState === "covers" ? 0.4 : 0.25 });
-    if (map.hasLayer(v.marker)) {
-      map.removeLayer(v.marker);
-    }
-    v.trail.setStyle({ opacity: presence.code === "covers" ? 0.4 : 0.25 });
   }
 
-  v.marker.setPopupContent(popupHtml(v.name, v));
+  const trailPoints = v.events
+    .slice(0, v.currentIndex + 1)
+    .map(event => getEventLatLon(event, view.positionKey))
+    .map(pos => [pos.lat, pos.lon]);
+  if (trailPoints.length > 0) {
+    v.trail.setLatLngs(trailPoints);
+  }
 
-  syncUncertaintyCircle(v);
+  v.marker.setPopupContent(popupHtml(view, v.name, v));
+  syncUncertaintyCircle(view, v);
 }
 
-function updateAlerts() {
+function updateViewAlerts(view) {
-  const alertVehicles = vehicleNames
+  const alertVehicles = vehicleNames.map(name => view.vehicles[name]).filter(v => v.presenceState === "possible" || v.presenceState === "covers");
-    .map(name => vehicles[name])
-    .filter(v => v.presenceState === "possible" || v.presenceState === "covers");
-
   if (alertVehicles.length === 0) {
-    alertsEl.innerHTML = "";
+    view.alertsEl.innerHTML = "";
-    offmapIndicatorsEl.innerHTML = "";
+    view.indicatorsEl.innerHTML = "";
     return;
   }
 
-  alertsEl.innerHTML = alertVehicles.map(v => {
+  view.alertsEl.innerHTML = alertVehicles.map(v => `
-    if (v.presenceState === "covers") {
+    <div class="alert-item">
-      return `
+      <strong>${v.name}: ${v.presenceState === "covers" ? "usikkerhed dækker hele kortet" : "mulig tilstedeværelse"}</strong>
-        <div class="alert-item">
+      ${v.presenceState === "covers" ? "Estimatet er udenfor kortet, men usikkerheden spænder over hele viewporten." : "Estimatet er udenfor kortet, men usikkerheden overlapper det viste område delvist."}
-          <strong>${v.name}: usikkerhed dækker hele kortet</strong>
+    </div>
-          Estimatet er udenfor kortet, men usikkerheden spænder over hele viewporten.
+  `).join("");
-        </div>
-      `;
-    }
 
-    return `
+  const bounds = view.map.getBounds();
-      <div class="alert-item">
+  view.indicatorsEl.innerHTML = alertVehicles.map(v => {
-        <strong>${v.name}: mulig tilstedeværelse</strong>
-        Estimatet er udenfor kortet, men usikkerheden overlapper det viste område delvist.
-      </div>
-    `;
-  }).join("");
-
-  const bounds = map.getBounds();
-  offmapIndicatorsEl.innerHTML = alertVehicles.map(v => {
     const direction = getDirectionInfo(v.displayLat, v.displayLon, bounds);
-    const subtitle = v.presenceState === "covers"
+    const subtitle = v.presenceState === "covers" ? "Usikkerheden dækker hele viewporten" : `Mulig tilstedeværelse fra ${direction.label}`;
-      ? "Usikkerheden dækker hele viewporten"
-      : `Mulig tilstedeværelse fra ${direction.label}`;
-
     return `
-      <button type="button" class="offmap-indicator ${v.presenceState === "covers" ? "covers" : ""}" data-vehicle="${v.name}">
+      <button type="button" class="offmap-indicator ${v.presenceState === "covers" ? "covers" : ""}" data-view="${view.id}" data-vehicle="${v.name}">
         <div class="offmap-arrow" style="background:${v.color};">${direction.arrow}</div>
-        <div class="offmap-meta">
+        <div><strong>${v.name}</strong><span>${subtitle}</span></div>
-          <strong>${v.name}</strong>
-          <span>${subtitle}</span>
-        </div>
       </button>
     `;
   }).join("");
 }
 
+function resetDemo() {
+  simTime = 0;
+  lastFrameTime = null;
+  renderSelectedVehicleInfo(null);
+  for (const view of views) {
+    for (const name of vehicleNames) {
+      const v = view.vehicles[name];
+      const first = v.events[0];
+      const firstPos = getEventLatLon(first, view.positionKey);
+      v.currentIndex = 0;
+      v.current = first;
+      v.next = v.events[1] || null;
+      v.displayLat = firstPos.lat;
+      v.displayLon = firstPos.lon;
+      v.displayHeading = first.headingDeg;
+      v.presenceState = "inside";
+      v.presenceStateLabel = "ja";
+      v.marker.setLatLng([firstPos.lat, firstPos.lon]);
+      setHeading(v.marker, first.headingDeg);
+      v.trail.setLatLngs([[firstPos.lat, firstPos.lon]]);
+      if (!view.map.hasLayer(v.marker)) v.marker.addTo(view.map);
+      syncUncertaintyCircle(view, v);
+    }
+    updateViewAlerts(view);
+  }
+  updateStatus();
+}
+
 function updateStatus() {
   const total = VEHICLE_EVENTS.length;
   const passed = VEHICLE_EVENTS.filter(e => e.ts <= simTime).length;
-
+  statusEl.textContent = `Simuleret tid: ${simTime.toFixed(1)} s\nEvents passeret: ${passed} / ${total}\nAfspilning: 2x`;
-  statusEl.textContent =
-    `Simuleret tid: ${simTime.toFixed(1)} s\n` +
-    `Events passeret: ${passed} / ${total}\n` +
-    `Afspilning: 2x`;
-
-  updateAlerts();
 }
 
 function tick(now) {
   if (!running) return;
-
+  if (lastFrameTime === null) lastFrameTime = now;
-  if (lastFrameTime === null) {
-    lastFrameTime = now;
-  }
-
   const dtReal = (now - lastFrameTime) / 1000;
   lastFrameTime = now;
   simTime += dtReal / TIME_SCALE;
-
+  for (const view of views) {
-  for (const name of vehicleNames) {
+    for (const name of vehicleNames) {
-    updateVehicleDisplay(vehicles[name]);
+      updateVehicleDisplay(view, view.vehicles[name]);
+    }
+    updateViewAlerts(view);
   }
-
   updateStatus();
   requestAnimationFrame(tick);
 }
 
+for (const view of views) {
+  view.indicatorsEl.addEventListener("click", (event) => {
+    const button = event.target.closest(".offmap-indicator");
+    if (!button) return;
+    const v = view.vehicles[button.dataset.vehicle];
+    renderSelectedVehicleInfo({
+      name: v.name,
+      viewLabel: view.label,
+      source: "hjørneindikator",
+      state: v
+    });
+  });
+
+  view.map.on("moveend zoomend", () => {
+    for (const name of vehicleNames) {
+      updateVehicleDisplay(view, view.vehicles[name]);
+    }
+    updateViewAlerts(view);
+  });
+}
+
 playBtn.addEventListener("click", () => {
   if (running) return;
   running = true;
@@ -604,30 +482,5 @@ resetBtn.addEventListener("click", () => {
   requestAnimationFrame(tick);
 });
 
-offmapIndicatorsEl.addEventListener("click", (event) => {
-  const button = event.target.closest(".offmap-indicator");
-  if (!button) return;
-
-  const vehicleName = button.dataset.vehicle;
-  openVehiclePopup(vehicleName);
-});
-
-map.on("popupclose", (event) => {
-  const popupVehicle = Object.values(vehicles).find(v => v.marker === event.popup._source);
-  if (popupVehicle && forcedPopupVehicle === popupVehicle.name) {
-    forcedPopupVehicle = null;
-    highlightOffmapIndicator(null);
-    renderSelectedVehicleInfo(null);
-    updateVehicleDisplay(popupVehicle);
-  }
-});
-
-map.on("moveend zoomend", () => {
-  for (const name of vehicleNames) {
-    updateVehicleDisplay(vehicles[name]);
-  }
-  updateStatus();
-});
-
 resetDemo();
 requestAnimationFrame(tick);

kort7/kort7.html

@@ -12,82 +12,72 @@
     html, body {
       height: 100%;
       margin: 0;
+      font-family: system-ui, sans-serif;
     }
 
-    #map {
+    body {
-      height: 100%;
+      display: grid;
+      grid-template-rows: auto 1fr;
+      background: #f3f4f6;
     }
 
-    .hud {
+    .toolbar {
-      position: absolute;
+      display: flex;
-      top: 10px;
+      gap: 10px;
-      left: 10px;
+      align-items: center;
-      z-index: 1000;
+      padding: 12px 14px;
-      background: rgba(255,255,255,0.95);
+      background: rgba(255,255,255,0.96);
-      padding: 10px 12px;
+      border-bottom: 1px solid #d1d5db;
-      border-radius: 8px;
+      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
-      border: 1px solid #ccc;
-      font: 13px/1.35 system-ui, sans-serif;
-      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
     }
 
-    .hud button {
+    .toolbar button {
-      margin-right: 8px;
+      padding: 7px 12px;
-      padding: 6px 10px;
       cursor: pointer;
     }
 
-    .hud .status {
+    .toolbar .status {
-      margin-top: 8px;
+      margin-left: 6px;
       white-space: pre-line;
-    }
-
-    .hud .selection {
-      margin-top: 10px;
-      padding-top: 10px;
-      border-top: 1px solid rgba(0,0,0,0.08);
-      max-width: 320px;
-      font: 12px/1.4 system-ui, sans-serif;
-      color: #1f2937;
-    }
-
-    .hud .selection strong {
-      display: block;
-      margin-bottom: 4px;
       font-size: 13px;
+      color: #374151;
+    }
+
+    .layout {
+      display: grid;
+      grid-template-columns: 1fr 1fr 320px;
+      min-height: 0;
+    }
+
+    .map-panel {
+      position: relative;
+      min-width: 0;
+      border-right: 1px solid #d1d5db;
+      background: #e5e7eb;
+    }
+
+    .map-title {
+      position: absolute;
+      top: 12px;
+      left: 12px;
+      z-index: 1000;
+      background: rgba(255,255,255,0.94);
+      border: 1px solid rgba(0,0,0,0.08);
+      border-radius: 10px;
+      padding: 8px 10px;
+      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
+      font-size: 12px;
+      line-height: 1.35;
       color: #111827;
     }
 
-    .hud .alerts {
+    .map-title strong {
-      margin-top: 8px;
+      display: block;
-      display: grid;
+      font-size: 13px;
-      gap: 6px;
-      max-width: 320px;
     }
 
-    .alert-item {
+    .map {
-      padding: 8px 10px;
+      height: 100%;
-      border-radius: 8px;
-      border: 1px solid #e0b100;
-      background: rgba(255,248,204,0.96);
-      color: #5f4b00;
-      font: 12px/1.35 system-ui,sans-serif;
-    }
-
-    .alert-item strong { display:block; margin-bottom:2px; }
-
-    .runtime-warning {
-      margin-top: 10px;
-      padding: 8px 10px;
-      border-radius: 8px;
-      border: 1px solid #c2410c;
-      background: rgba(255, 237, 213, 0.96);
-      color: #7c2d12;
-      font: 12px/1.35 system-ui, sans-serif;
-    }
-
-    .runtime-warning[hidden] {
-      display: none;
     }
 
     .offmap-indicators {
@@ -97,7 +87,7 @@
       z-index: 1000;
       display: grid;
       gap: 8px;
-      max-width: 260px;
+      max-width: 240px;
       pointer-events: none;
     }
 
@@ -119,15 +109,9 @@
       text-align: left;
     }
 
-    .offmap-indicator:hover {
-      transform: translateY(-1px);
-      box-shadow: 0 8px 20px rgba(0,0,0,0.28);
-    }
-
     .offmap-indicator.active {
       outline: 2px solid rgba(255,255,255,0.9);
       outline-offset: 2px;
-      transform: translateY(-1px) scale(1.02);
     }
 
     .offmap-indicator.covers {
@@ -144,34 +128,63 @@
       font-size: 16px;
       font-weight: 700;
       color: #fff;
-      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.18);
     }
 
-    .offmap-meta strong {
+    .sidebar {
+      background: rgba(255,255,255,0.97);
+      padding: 14px;
+      display: grid;
+      align-content: start;
+      gap: 12px;
+      overflow: auto;
+    }
+
+    .panel {
+      border: 1px solid #d1d5db;
+      border-radius: 10px;
+      padding: 12px;
+      background: #fff;
+      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
+      font-size: 13px;
+      line-height: 1.45;
+      color: #1f2937;
+    }
+
+    .panel strong {
       display: block;
-      margin-bottom: 2px;
+      margin-bottom: 6px;
+      color: #111827;
     }
 
-    .offmap-meta span {
+    .alerts {
-      display: block;
+      display: grid;
-      opacity: 0.82;
+      gap: 8px;
     }
 
-    .flash-marker {
+    .alert-item {
-      animation: flash-marker-pulse 1.2s ease-out 1;
+      padding: 8px 10px;
+      border-radius: 8px;
+      border: 1px solid #e0b100;
+      background: rgba(255,248,204,0.96);
+      color: #5f4b00;
+      font-size: 12px;
+      line-height: 1.35;
     }
 
-    @keyframes flash-marker-pulse {
+    .runtime-warning {
-      0%   { transform: scale(1); filter: drop-shadow(0 1px 1px rgba(0,0,0,.35)); }
+      border: 1px solid #c2410c;
-      20%  { transform: scale(1.8); filter: drop-shadow(0 0 0 rgba(0,0,0,0)); }
+      background: rgba(255, 237, 213, 0.96);
-      100% { transform: scale(1); filter: drop-shadow(0 1px 1px rgba(0,0,0,.35)); }
+      color: #7c2d12;
+    }
+
+    .runtime-warning[hidden] {
+      display: none;
     }
 
     .car {
       width: 24px;
       height: 24px;
       transform-origin: 12px 12px;
-      will-change: transform;
       filter: drop-shadow(0 1px 1px rgba(0,0,0,.35));
     }
 
@@ -183,23 +196,47 @@
   </style>
 </head>
 <body>
-  <div id="map"></div>
+  <div class="toolbar">
-
+    <button id="playBtn">Play</button>
-  <div class="hud">
+    <button id="pauseBtn">Pause</button>
-    <div>
+    <button id="resetBtn">Reset</button>
-      <button id="playBtn">Play</button>
-      <button id="pauseBtn">Pause</button>
-      <button id="resetBtn">Reset</button>
-    </div>
     <div class="status" id="status"></div>
-    <div class="selection" id="selectedVehicleInfo">Klik på et køretøj eller en hjørneindikator for detaljer.</div>
-    <div class="runtime-warning" id="runtimeWarning" hidden>
-      Du kører appen via <code>file://</code>. Brug en lokal webserver i stedet, fx <code>python3 -m http.server 4173</code>, og åbn <code>http://127.0.0.1:4173/kort7.html</code>.
-    </div>
-    <div class="alerts" id="presenceAlerts"></div>
   </div>
 
-  <div class="offmap-indicators" id="offmapIndicators"></div>
+  <div class="layout">
+    <section class="map-panel">
+      <div class="map-title">
+        <strong>Tilnærmet position</strong>
+        Viser bevidst usikker og pædagogisk forskudt tracking.
+      </div>
+      <div id="mapApprox" class="map"></div>
+      <div class="offmap-indicators" id="offmapIndicatorsApprox"></div>
+    </section>
+
+    <section class="map-panel">
+      <div class="map-title">
+        <strong>Præcis position</strong>
+        Viser den reelle position for samme køretøjer og tidslinje.
+      </div>
+      <div id="mapTrue" class="map"></div>
+      <div class="offmap-indicators" id="offmapIndicatorsTrue"></div>
+    </section>
+
+    <aside class="sidebar">
+      <div class="panel" id="selectedVehicleInfo">Klik på et køretøj eller en hjørneindikator for detaljer.</div>
+      <div class="panel runtime-warning" id="runtimeWarning" hidden>
+        Du kører appen via <code>file://</code>. Brug en lokal webserver i stedet, fx <code>python3 -m http.server 4173</code>, og åbn <code>http://127.0.0.1:4173/kort7.html</code>.
+      </div>
+      <div class="panel">
+        <strong>Mulige off-map køretøjer, tilnærmet kort</strong>
+        <div class="alerts" id="presenceAlertsApprox"></div>
+      </div>
+      <div class="panel">
+        <strong>Mulige off-map køretøjer, præcist kort</strong>
+        <div class="alerts" id="presenceAlertsTrue"></div>
+      </div>
+    </aside>
+  </div>
 
   <script src="data.js"></script>
   <script src="app.js"></script>

kort7/tests/kort7.spec.js

@@ -1,109 +1,52 @@
 const { test, expect } = require('@playwright/test');
 
-async function waitForVehicleMarkers(page) {
+async function waitForMaps(page) {
-  await page.waitForSelector('.leaflet-marker-icon', { state: 'attached' });
+  await expect(page.locator('#mapApprox')).toBeVisible();
+  await expect(page.locator('#mapTrue')).toBeVisible();
   await expect.poll(async () => page.locator('.leaflet-marker-icon').count(), {
     timeout: 10000
   }).toBeGreaterThan(0);
 }
 
-test.describe('kort7 vehicle map', () => {
+test.describe('kort7 dual map demo', () => {
-  test('loads map and renders vehicles', async ({ page }) => {
+  test('loads both maps and renders vehicles', async ({ page }) => {
     await page.goto('/kort7.html');
-    await expect(page.locator('#map')).toBeVisible();
+    await waitForMaps(page);
-    await waitForVehicleMarkers(page);
     await expect(page.locator('#status')).toContainText('Simuleret tid');
     await expect(page.locator('#runtimeWarning')).toBeHidden();
   });
 
-  test('shows vehicle popup with details when clicking a marker', async ({ page }) => {
+  test('shows different map titles for approximate and precise views', async ({ page }) => {
     await page.goto('/kort7.html');
-    await waitForVehicleMarkers(page);
+    await expect(page.locator('.map-title').first()).toContainText('Tilnærmet position');
-    await page.getByRole('button', { name: 'Pause' }).click();
+    await expect(page.locator('.map-title').nth(1)).toContainText('Præcis position');
-
-    const firstMarker = page.locator('.leaflet-marker-icon').first();
-    await firstMarker.click({ force: true });
-
-    const popup = page.locator('.leaflet-popup');
-    await expect(popup).toBeVisible();
-    await expect(popup).toContainText(/Bil \d/);
-    await expect(popup).toContainText('Tid:');
-    await expect(popup).toContainText('Lat:');
-    await expect(popup).toContainText('Lon:');
-    await expect(popup).toContainText('Hastighed:');
-    await expect(popup).toContainText('Retning:');
-    await expect(popup).toContainText('Usikkerhed:');
-    await expect(popup).toContainText('På kortet:');
   });
 
-  test('renders uncertainty circles for vehicles with uncertainty', async ({ page }) => {
+  test('clicking off-map indicator updates detail panel', async ({ page }) => {
-    await page.goto('/kort7.html');
-    await waitForVehicleMarkers(page);
-
-    await expect.poll(async () => {
-      return await page.locator('path').evaluateAll((nodes) =>
-        nodes.filter((node) => {
-          const strokeDasharray = node.getAttribute('stroke-dasharray');
-          return strokeDasharray && strokeDasharray.length > 0;
-        }).length
-      );
-    }).toBeGreaterThan(0);
-  });
-
-  test('playback updates simulation status over time', async ({ page }) => {
-    await page.goto('/kort7.html');
-
-    const status = page.locator('#status');
-    const initialText = await status.textContent();
-    const initialMatch = initialText.match(/Simuleret tid: ([\d.]+) s/);
-    expect(initialMatch).not.toBeNull();
-    const initialTime = Number(initialMatch[1]);
-
-    await page.waitForTimeout(1800);
-
-    const text = await status.textContent();
-    const match = text.match(/Simuleret tid: ([\d.]+) s/);
-    expect(match).not.toBeNull();
-    expect(Number(match[1])).toBeGreaterThan(initialTime + 0.5);
-  });
-
-  test('shows off-map corner indicators for partial overlap and full cover', async ({ page }) => {
-    await page.goto('/kort7.html');
-
-    await expect.poll(async () => page.locator('.offmap-indicator').count(), {
-      timeout: 10000
-    }).toBeGreaterThan(0);
-
-    const bil9 = page.locator('.offmap-indicator').filter({ hasText: 'Bil 9' });
-    const bil10 = page.locator('.offmap-indicator').filter({ hasText: 'Bil 10' });
-    const bil8 = page.locator('.offmap-indicator').filter({ hasText: 'Bil 8' });
-
-    await expect(bil9).toContainText('Mulig tilstedeværelse');
-    await expect(bil10).toContainText('dækker hele viewporten');
-    await expect(bil8).toHaveCount(0);
-  });
-
-  test('shows matching alert text for off-map overlap states', async ({ page }) => {
-    await page.goto('/kort7.html');
-
-    const alerts = page.locator('#presenceAlerts');
-    await expect(alerts).toContainText('Bil 9: mulig tilstedeværelse');
-    await expect(alerts).toContainText('Bil 10: usikkerhed dækker hele kortet');
-    await expect(alerts).not.toContainText('Bil 8');
-  });
-
-  test('updates left info panel when clicking an off-map corner indicator', async ({ page }) => {
     await page.goto('/kort7.html');
     await page.getByRole('button', { name: 'Pause' }).click();
 
-    const indicator = page.locator('.offmap-indicator').filter({ hasText: 'Bil 9' });
+    const indicator = page.locator('#offmapIndicatorsApprox .offmap-indicator').filter({ hasText: 'Bil 9' });
     await expect(indicator).toBeVisible();
     await indicator.click();
 
     const selection = page.locator('#selectedVehicleInfo');
     await expect(selection).toContainText('Bil 9');
-    await expect(selection).toContainText('valgt fra hjørneindikator');
+    await expect(selection).toContainText('Tilnærmet position');
-    await expect(selection).toContainText('Usikkerhed: 9000 m');
+    await expect(selection).toContainText('hjørneindikator');
-    await expect(indicator).toHaveClass(/active/);
+  });
+
+  test('playback updates simulation status over time', async ({ page }) => {
+    await page.goto('/kort7.html');
+    const status = page.locator('#status');
+    const initialText = await status.textContent();
+    const initialMatch = initialText.match(/Simuleret tid: ([\d.]+) s/);
+    expect(initialMatch).not.toBeNull();
+    const initialTime = Number(initialMatch[1]);
+    await page.waitForTimeout(1800);
+    const text = await status.textContent();
+    const match = text.match(/Simuleret tid: ([\d.]+) s/);
+    expect(match).not.toBeNull();
+    expect(Number(match[1])).toBeGreaterThan(initialTime + 0.5);
   });
 });