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mhaertwig avatar mhaertwig commented on July 23, 2024

Der Code sieht für "keine Ahnung von React" gut aus! Damit Ihr Euch nicht mit React befassen müsst, haben wir die ganze Interaktion in die Layer gesteckt. Diese benötigen kein React.

Die Funktion ReactDOM.render(...) muss nur ein mal aufgerufen werden. Anschliessend kann z.B. die Funktion routeLayer.loadRoutes(routeData) beliebig oft mit neuen Daten aufgerufen werden. Die Karte aktualisiert sich dabei von selbst.

Das folgende Code-Beispiel, kann einfach in den Code-Kasten auf https://trafimage-maps.geops.ch/#section-casa kopiert werden. Es initialisiert den RouteLayer und aktualisiert die Routen ausserhalb von React.

import React from 'react';
import TrafimageMaps from '../../components/TrafimageMaps';
import RouteLayer from '../../layers/RouteLayer';
import ZoneLayer from '../../layers/ZoneLayer';
import { casa } from '../../config/topics';

// Initialize route layer.
const routeLayer = new RouteLayer({
  // Demo token. Please replace with your own token.
  token: '5cc87b12d7c5370001c1d6551c1d597442444f8f8adc27fefe2f6b93',
});

// Use ReactDOM.render() if React is not available
function renderMap() {
  // Render the component with react.
  return (
    <div style={{ position: 'relative', width: '100%', height: 500 }}>

      <TrafimageMaps
        topics={[casa]}
        token="5cc87b12d7c5370001c1d6551c1d597442444f8f8adc27fefe2f6b93"
        layers={[routeLayer]}
        zoom={7}
      />
    </div>
  );
};

// Visualize a route on the map.
routeLayer.loadRoutes([
  {
    uicFrom: 8500010,
    uicTo: 8503000,
    mot:'rail',
  },
]);

// Update the route
window.setTimeout(() => {
  routeLayer.loadRoutes([
    {
      uicFrom: 8501000,
      uicTo: 8500010,
      mot:'rail',
    },
  ]);
}, 4000);

// Make the demo working
const CasaExample = renderMap;
<CasaExample />;

from trafimage-maps.

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