Colorful line

It is usually used to show the traffic jams.

vanilla.html

react.html

vue.html

common.ts

variables.ts

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1" />
    <script crossorigin src="https://cdn.jsdelivr.net/npm/@babel/standalone@7/babel.min.js"></script>
    <!-- To make the map appear, you must add your apikey -->
    <script src="https://js.api.mappable.world/v3/?apikey=<YOUR_APIKEY>&lang=en_US" type="text/javascript"></script>

    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="../variables.ts"
    ></script>
    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="./common.ts"
    ></script>
    <script data-plugins="transform-modules-umd" data-presets="typescript" type="text/babel">
      import {LOCATION, ROUTE} from '../variables';
      import {PASSED_ROUTE_STYLE, fetchRoute} from './common';

      window.map = null;

      main();

      async function main() {
        // Waiting for all API elements to be loaded
        await mappable.ready;
        const {MMap, MMapDefaultSchemeLayer, MMapDefaultFeaturesLayer, MMapFeature} = mappable;

        // Initialize the map
        map = new MMap(document.getElementById('app'), {location: LOCATION, showScaleInCopyrights: true}, [
          new MMapDefaultSchemeLayer({}),
          new MMapDefaultFeaturesLayer({})
        ]);

        // Fetch the route and add it to the map
        const route = await fetchRoute(ROUTE);
        if (route) {
          const routeFeature = new MMapFeature({
            geometry: route.geometry, // Assuming route.geometry is of type LineStringGeometry
            style: PASSED_ROUTE_STYLE
          });
          map.addChild(routeFeature);
        }
      }
    </script>

    <!-- prettier-ignore -->
    <style> html, body, #app { width: 100%; height: 100%; margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; } .toolbar { position: absolute; z-index: 1000; top: 0; left: 0; display: flex; align-items: center; padding: 16px; } .toolbar a { padding: 16px; }  </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1" />
    <script crossorigin src="https://cdn.jsdelivr.net/npm/react@17/umd/react.production.min.js"></script>
    <script crossorigin src="https://cdn.jsdelivr.net/npm/react-dom@17/umd/react-dom.production.min.js"></script>
    <script crossorigin src="https://cdn.jsdelivr.net/npm/@babel/standalone@7/babel.min.js"></script>
    <!-- To make the map appear, you must add your apikey -->
    <script src="https://js.api.mappable.world/v3/?apikey=<YOUR_APIKEY>&lang=en_US" type="text/javascript"></script>

    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="../variables.ts"
    ></script>
    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="./common.ts"
    ></script>
    <script data-plugins="transform-modules-umd" data-presets="react, typescript" type="text/babel">
      import type {LineStringGeometry, RouteFeature} from '@mappable-world/mappable-types';
      import {PASSED_ROUTE_STYLE, fetchRoute} from './common';
      import {LOCATION, ROUTE} from '../variables';

      window.map = null;

      main();
      async function main() {
          // For each object in the JS API, there is a React counterpart
          // To use the React version of the API, include the module @mappable-world/mappable-reactify
          const [mappableReact] = await Promise.all([mappable.import('@mappable-world/mappable-reactify'), mappable.ready]);
          const reactify = mappableReact.reactify.bindTo(React, ReactDOM);
          const {MMap, MMapDefaultSchemeLayer, MMapDefaultFeaturesLayer, MMapFeature} = reactify.module(mappable);

          const {useState, useEffect} = React;

          function App() {
              const [route, setRoute] = useState<RouteFeature>(null);

              useEffect(() => {
                  fetchRoute(ROUTE).then((route) => setRoute(route));
              }, []);

              return (
                  // Initialize the map and pass initialization parameters
                  <MMap location={LOCATION} showScaleInCopyrights={true} ref={(x) => (map = x)}>
                      {/* Add a map scheme layer */}
                      <MMapDefaultSchemeLayer />
                      {/* Add a layer of geo objects to display the markers */}
                      <MMapDefaultFeaturesLayer />

                      {route && <MMapFeature geometry={route.geometry as LineStringGeometry} style={PASSED_ROUTE_STYLE} />}
                  </MMap>
              );
          }

          ReactDOM.render(
              <React.StrictMode>
                  <App />
              </React.StrictMode>,
              document.getElementById('app')
          );
      }
    </script>

    <!-- prettier-ignore -->
    <style> html, body, #app { width: 100%; height: 100%; margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; } .toolbar { position: absolute; z-index: 1000; top: 0; left: 0; display: flex; align-items: center; padding: 16px; } .toolbar a { padding: 16px; }  </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1" />
    <script crossorigin src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
    <script crossorigin src="https://cdn.jsdelivr.net/npm/@babel/standalone@7/babel.min.js"></script>
    <!-- To make the map appear, you must add your apikey -->
    <script src="https://js.api.mappable.world/v3/?apikey=<YOUR_APIKEY>&lang=en_US" type="text/javascript"></script>

    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="../variables.ts"
    ></script>
    <script
      data-plugins="transform-modules-umd"
      data-presets="typescript"
      type="text/babel"
      src="./common.ts"
    ></script>
    <script data-plugins="transform-modules-umd" data-presets=" typescript" type="text/babel">
      import {LOCATION, ROUTE} from '../variables';
      import {PASSED_ROUTE_STYLE, fetchRoute} from './common';

      window.map = null;

      async function main() {
        // For each object in the JS API, there is a Vue counterpart
        // To use the Vue version of the API, include the module @mappable-world/mappable-vuefy
        const [mappableVue] = await Promise.all([mappable.import('@mappable-world/mappable-vuefy'), mappable.ready]);
        const vuefy = mappableVue.vuefy.bindTo(Vue);
        const {MMap, MMapDefaultSchemeLayer, MMapDefaultFeaturesLayer, MMapFeature} = vuefy.module(mappable);

        const app = Vue.createApp({
          components: {MMap, MMapDefaultSchemeLayer, MMapDefaultFeaturesLayer, MMapFeature},
          setup() {
            const refMap = (ref) => {
              window.map = ref?.entity; // Store the map instance in a global variable
            };

            const route = Vue.ref(null); // Reactive reference for the route

            // Fetch the route when the component is mounted
            Vue.onMounted(async () => {
              const fetchedRoute = await fetchRoute(ROUTE);
              if (fetchedRoute) {
                route.value = fetchedRoute; // Set the fetched route
              }
            });

            return {LOCATION, refMap, route, PASSED_ROUTE_STYLE};
          },
          template: `
      <MMap :location="LOCATION" :showScaleInCopyrights="true" :ref="refMap">
        <MMapDefaultSchemeLayer />
        <MMapDefaultFeaturesLayer />
        <MMapFeature 
          v-if="route" 
          :geometry="route.geometry" 
          :style="PASSED_ROUTE_STYLE" 
        />
      </MMap>`
        });

        app.mount('#app');
      }

      main();
    </script>

    <!-- prettier-ignore -->
    <style> html, body, #app { width: 100%; height: 100%; margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; } .toolbar { position: absolute; z-index: 1000; top: 0; left: 0; display: flex; align-items: center; padding: 16px; } .toolbar a { padding: 16px; }  </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>

import {DrawingStyle, LngLat, Palette} from '@mappable-world/mappable-types';

mappable.ready.then(() => {});

export async function fetchRoute(points: LngLat[]) {
  // Request a route from the Router API with the specified parameters.
  const routes = await mappable.route({
    points, // Start and end points of the route LngLat[]
    type: 'driving', // Type of the route
    bounds: true // Flag indicating whether to include route boundaries in the response
  });

  // Check if a route was found
  if (!routes[0]) return;

  // Convert the received route to a RouteFeature object.
  const route = routes[0].toRoute();

  // Check if a route has coordinates
  if (route.geometry.coordinates.length == 0) return;

  return route;
}

function hexToRgb(hex) {
  // Convert hex to RGB
  const bigint = parseInt(hex.slice(1), 16);
  const r = (bigint >> 16) & 255;
  const g = (bigint >> 8) & 255;
  const b = bigint & 255;
  return [r, g, b];
}

function rgbToHex(r, g, b) {
  // Convert RGB back to hex
  return '#' + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1).toUpperCase();
}

function interpolateColor(color1, color2, factor) {
  const [r1, g1, b1] = hexToRgb(color1);
  const [r2, g2, b2] = hexToRgb(color2);
  const r = Math.round(r1 + (r2 - r1) * factor);
  const g = Math.round(g1 + (g2 - g1) * factor);
  const b = Math.round(b1 + (b2 - b1) * factor);
  return rgbToHex(r, g, b);
}

function generateGradientColors(stops, totalColors) {
  const colors = [];
  const totalStops = stops.length;

  for (let i = 0; i < totalStops - 1; i++) {
    const startColor = stops[i].color;
    const endColor = stops[i + 1].color;
    const startPercent = stops[i].percent;
    const endPercent = stops[i + 1].percent;

    const segmentColors = Math.floor((totalColors * (endPercent - startPercent)) / 100);

    for (let j = 0; j <= segmentColors; j++) {
      const factor = j / segmentColors;
      colors.push(interpolateColor(startColor, endColor, factor));
    }
  }

  return colors;
}

// Define the color stops
const colorStops = [
  {color: '#FF5E5E', percent: 0},
  {color: '#FFD333', percent: 33},
  {color: '#5ED686', percent: 66},
  {color: '#7D90F0', percent: 100}
];

// Generate 400 colors
const gradientColors = generateGradientColors(colorStops, 400);
const palette = gradientColors.map((color) => ({color, count: 1}));

export const PASSED_ROUTE_STYLE: DrawingStyle = {
  simplificationRate: 0,
  stroke: [{palette, width: 10}]
};

import type {LngLat, MMapLocationRequest} from '@mappable-world/mappable-types';

export const LOCATION: MMapLocationRequest = {
  center: [55.166611, 25.062854], // starting position [lng, lat]
  zoom: 15.3 // starting zoom
};

export const ROUTE: LngLat[] = [
  [55.184226, 25.069446],
  [55.170017, 25.061783],
  [55.162822, 25.067076],
  [55.154957, 25.072835]
];