Temporal WMS layer

Load a WMS-T layer.

Parameters

0% Copernicus, OpenStreetMap contributors.

index.js

import { OSM } from "ol/source";

import { MapControls } from "three/examples/jsm/controls/MapControls.js";

import Extent from "@giro3d/giro3d/core/geographic/Extent";
import Instance from "@giro3d/giro3d/core/Instance";
import ColorLayer from "@giro3d/giro3d/core/layer/ColorLayer";
import Map from "@giro3d/giro3d/entities/Map";
import TiledImageSource from "@giro3d/giro3d/sources/TiledImageSource";
import WmsSource from "@giro3d/giro3d/sources/WmsSource";
import Inspector from "@giro3d/giro3d/gui/Inspector";

import { bindButton } from "./widgets/bindButton";

const instance = new Instance({
  target: "view",
  crs: "EPSG:3857",
});

const extent = new Extent("EPSG:4326", {
  west: -25,
  south: 36,
  north: 65,
  east: 65,
}).as(instance.referenceCrs);

const map = new Map({
  extent,
});

instance.add(map);

// Add an OpenStreetMap background
map.addLayer(
  new ColorLayer({
    name: "OSM",
    source: new TiledImageSource({ source: new OSM() }),
  }),
);

const source = new WmsSource({
  url: "https://globalfloods-ows.ecmwf.int/glofas-ows/ows.py",
  layer: "AccRainEGE",
  projection: "EPSG:4326",
  imageFormat: "image/png",
});

const initialDate = new Date(Date.UTC(2018, 3, 18));
let currentDate = new Date(initialDate);

source.setTime(currentDate);

// Add our temporal WMS layer
map.addLayer(
  new ColorLayer({
    name: "AccRainEGE",
    source,
  }),
);

const { target } = instance.view.goTo(map);

const controls = new MapControls(instance.view.camera, instance.domElement);

instance.view.setControls(controls);
controls.target.copy(target);

Inspector.attach("inspector", instance);

const updateWmsLayer = (date) => {
  source.setTime(date);
};

bindButton("reset", () => {
  updateWmsLayer(initialDate);
});

bindButton("previous-day", () => {
  currentDate.setUTCDate(currentDate.getUTCDate() - 1);
  updateWmsLayer(currentDate);
});

bindButton("next-day", () => {
  currentDate.setUTCDate(currentDate.getUTCDate() + 1);
  updateWmsLayer(currentDate);
});

index.html

<!doctype html>
<html lang="en">
  <head>
    <title>Temporal WMS layer</title>
    <meta charset="UTF-8" />
    <meta name="name" content="wms_time" />
    <meta name="description" content="Load a WMS-T layer." />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <link rel="icon" href="https://giro3d.org/images/favicon.svg" />
    <link
      href="https://giro3d.org/assets/bootstrap-custom.css"
      rel="stylesheet"
    />
    <script src="https://giro3d.org/assets/bootstrap.bundle.min.js"></script>
    <link
      rel="stylesheet"
      type="text/css"
      href="https://giro3d.org/latest/examples/css/example.css"
    />
  </head>

  <body>
    <div id="view" class="m-0 p-0 w-100 h-100"></div>
    <div
      id="inspector"
      class="position-absolute top-0 start-0 mh-100 overflow-auto"
    ></div>

    <div class="side-pane-with-status-bar">
      <div class="card">
        <div class="card-header">Parameters</div>
        <div class="card-body">
          <button type="button" class="btn btn-primary w-100" id="reset">
            Reset
          </button>
          <button
            type="button"
            class="btn btn-primary w-100 mt-2"
            id="previous-day"
          >
            Previous day
          </button>
          <button
            type="button"
            class="btn btn-primary w-100 mt-2"
            id="next-day"
          >
            Next day
          </button>
        </div>
      </div>
    </div>

    <script type="module" src="index.js"></script>
    <script>
      /* activate popovers */
      const popoverTriggerList = [].slice.call(
        document.querySelectorAll('[data-bs-toggle="popover"]'),
      );
      popoverTriggerList.map(
        // bootstrap is used as script in the template, disable warning about undef
        // eslint-disable-next-line no-undef
        (popoverTriggerEl) =>
          new bootstrap.Popover(popoverTriggerEl, {
            trigger: "hover",
            placement: "left",
            content: document.getElementById(
              popoverTriggerEl.getAttribute("data-bs-content"),
            ).innerHTML,
            html: true,
          }),
      );
    </script>
  </body>
</html>

package.json

{
    "name": "wms_time",
    "dependencies": {
        "@giro3d/giro3d": "0.43.2"
    },
    "devDependencies": {
        "vite": "^3.2.3"
    },
    "scripts": {
        "start": "vite",
        "build": "vite build"
    }
}