Display Giro3D scenes in with different layouts (flex, sticky, fixed, etc.).

Sticky position
Nested flex layouts
Custom WebGL Renderer
Overflow
Fixed position
100% Map style by Stamen Design, © OpenStreetMap contributors
index.js
import { WebGLRenderer } from "three";
import { MapControls } from "three/examples/jsm/controls/MapControls.js";

import StadiaMaps from "ol/source/StadiaMaps.js";

import Extent from "@giro3d/giro3d/core/geographic/Extent.js";
import Instance from "@giro3d/giro3d/core/Instance.js";
import ColorLayer from "@giro3d/giro3d/core/layer/ColorLayer.js";
import Map from "@giro3d/giro3d/entities/Map.js";
import TiledImageSource from "@giro3d/giro3d/sources/TiledImageSource.js";

const extent = new Extent(
  "EPSG:3857",
  -20037508.342789244,
  20037508.342789244,
  -20037508.342789244,
  20037508.342789244,
);

const source = new TiledImageSource({
  source: new StadiaMaps({ layer: "stamen_watercolor", wrapX: false }),
});

function buildViewer(target, defaultRenderer = true) {
  const instance = new Instance({
    target,
    crs: extent.crs,
    backgroundColor: null,
    renderer: defaultRenderer
      ? null
      : new WebGLRenderer({ antialias: true, alpha: true }),
  });

  const map = new Map({ extent, maxSubdivisionLevel: 10 });

  instance.add(map);

  map.addLayer(new ColorLayer({ source })).catch((e) => console.error(e));

  instance.view.camera.position.set(0, 0, 25000000);

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

  instance.view.setControls(controls);

  // Disable zoom so it doesn't capture scrolling
  controls.enableZoom = false;
}

// Remove the pre-generated default HTML elements for this example
document.getElementById("view").remove();
document.getElementById("inspector").remove();

// Dynamically find all viewers we have to build
const viewerDivs = document.getElementsByClassName("viewer");
for (let i = 0; i < viewerDivs.length; i += 1) {
  buildViewer(viewerDivs[i]);
}

// Dynamically find all viewers we have to build with custom WebGLRenderers
const viewerCustomRendererDivs = document.getElementsByClassName(
  "viewer-custom-renderer",
);
for (let i = 0; i < viewerCustomRendererDivs.length; i += 1) {
  buildViewer(viewerCustomRendererDivs[i], false);
}
index.html
<!doctype html>
<html lang="en">
  <head>
    <title>Multiple instances in different layouts</title>
    <meta charset="UTF-8" />
    <meta name="name" content="layouts" />
    <meta
      name="description"
      content="Display Giro3D scenes in with different layouts (flex, sticky, fixed, etc.)."
    />
    <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"
    />

    <style>
      /* Reset page height so we can scroll */
      html {
        height: auto;
      }
      body {
        height: auto;
      }

      #legendSticky,
      #viewerDivSticky {
        background: linear-gradient(
          to right,
          rgb(125, 199, 144),
          rgb(11, 59, 23)
        );
      }

      #legendNestedFlex {
        writing-mode: vertical-rl;
      }
      #containerFlex {
        background: linear-gradient(
          to right,
          rgb(251, 165, 116),
          rgb(216, 245, 251)
        );
      }

      #legendOverflow,
      #viewerDivOverflow {
        background: linear-gradient(
          to right,
          rgb(251, 251, 255),
          rgb(215, 223, 252)
        );
      }

      #viewerDivFixed {
        background: linear-gradient(to right, rgb(65, 80, 95), rgb(36, 37, 38));
      }
      #legendFixed {
        color: #fff;
      }

      #source {
        margin-bottom: 250px !important;
      }
    </style>
  </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>

    <!--
            In all examples we are using Bootstrap classes for styling.
            Here, we are using:
            - plain-old styles to show how to use different layouts,
            - Bootstrap classes and embedded <style> for pure styling (borders, padding, margin, backgrounds, etc.).
        -->

    <div
      id="legendSticky"
      style="position: sticky; z-index: 1021; top: 0"
      class="ps-2"
    >
      Sticky position
    </div>
    <!-- A container must have a size (height+width), and can have any style applied-->
    <div
      id="viewerDivSticky"
      style="
        position: sticky;
        z-index: 1020;
        top: 0;
        height: 300px;
        width: 100%;
      "
      class="viewer p-2 border-bottom border-5 border-dark"
    ></div>

    <div
      id="containerFlex"
      style="display: flex; align-items: stretch; height: 50vh"
      class="mt-5"
    >
      <div id="legendNestedFlex" class="pt-2">Nested flex layouts</div>
      <!-- In flex display, a container can have a flex property instead of a size -->
      <div
        id="viewerDivNestedFlex1"
        style="flex: 1 1 auto"
        class="viewer ps-2 pe-2"
      ></div>

      <!--
                In case you are using your own renderer, you are responsible for the layout, for instance:
                - a parent div to set the element size - this is were you would want to apply borders, padding, backgrounds, etc.
                - a viewport div that fills it parent and has "position: relative" and "overflow: hidden"
                    - this is to ensure a correct sizing of the renderer when the parent div is resized
                - the div that will hold your renderer, that fills its parent
            -->
      <div
        style="min-width: 20vw; height: 100%"
        class="p-5 border border-3 border-dark"
      >
        <div
          id="customViewDivContainer"
          style="
            position: relative;
            overflow: hidden;
            width: 100%;
            height: 100%;
          "
        >
          <div
            id="customViewerDiv"
            style="width: 100%; height: 100%"
            class="viewer-custom-renderer"
          ></div>
        </div>
        <span class="position-absolute">Custom WebGL Renderer</span>
      </div>
    </div>

    <div id="legendOverflow" class="mt-5 ps-2">Overflow</div>
    <!-- You can also have containers that are larger than the viewport -->
    <div
      id="viewerDivOverflow"
      style="width: 100%; height: 200vh"
      class="viewer p-2"
    ></div>

    <!-- You can also have containers that are at fixed positions -->
    <div
      id="viewerDivFixed"
      style="position: fixed; left: 0; bottom: 0; height: 200px; width: 50vw"
      class="viewer p-2 border border-3 border-dark"
    ></div>
    <!-- Any Giro3D container can have overlays, as long as they are after in the DOM (or using z-index) -->
    <span
      id="legendFixed"
      style="position: fixed; left: 0; bottom: 0"
      class="ps-2"
    >
      Fixed position
    </span>

    <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": "layouts",
    "dependencies": {
        "@giro3d/giro3d": "0.41.0"
    },
    "devDependencies": {
        "vite": "^3.2.3"
    },
    "scripts": {
        "start": "vite",
        "build": "vite build"
    }
}