-
terrain
-
toner
-
watercolor
Move layers up and down in the map.
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 Inspector from "@giro3d/giro3d/gui/Inspector.js";
import TiledImageSource from "@giro3d/giro3d/sources/TiledImageSource.js";
const crs = "EPSG:3857";
const mapExtent = Extent.fromCenterAndSize(
crs,
{ x: 256227, y: 5882214 },
2000000,
2000000,
);
const instance = new Instance({
target: "view",
crs,
});
instance.view.camera.position.set(256227, 5882214, 4000000);
const map = new Map({ extent: mapExtent, backgroundOpacity: 0 });
instance.add(map);
const layerSize = 1000000;
const watercolor = new ColorLayer({
name: "watercolor",
extent: Extent.fromCenterAndSize(
crs,
{ x: -100000, y: 6169226 },
layerSize,
layerSize,
),
source: new TiledImageSource({
source: new StadiaMaps({ layer: "stamen_watercolor", wrapX: false }),
}),
});
const toner = new ColorLayer({
name: "toner",
extent: Extent.fromCenterAndSize(
crs,
{ x: 500000, y: 5669226 },
layerSize,
layerSize,
),
source: new TiledImageSource({
source: new StadiaMaps({ layer: "stamen_toner", wrapX: false }),
}),
});
const terrain = new ColorLayer({
name: "terrain",
extent: Extent.fromCenterAndSize(
crs,
{ x: 900000, y: 5169226 },
layerSize,
layerSize,
),
source: new TiledImageSource({
source: new StadiaMaps({ layer: "stamen_terrain", wrapX: false }),
}),
});
map.addLayer(watercolor);
map.addLayer(toner);
map.addLayer(terrain);
Inspector.attach("inspector", instance);
const layers = {
watercolor,
toner,
terrain,
};
function bindUI(layer) {
const id = layer.name;
const btnUp = document.getElementById(`btn-${id}-up`);
const btnDown = document.getElementById(`btn-${id}-down`);
const layerElt = document.getElementById(`${id}`);
layerElt.layer = layer;
const container = layerElt.parentNode;
function reorder() {
[...container.children]
.sort((a, b) =>
map.getIndex(layers[a.id]) > map.getIndex(layers[b.id]) ? -1 : 1,
)
.forEach((node) => container.appendChild(node));
}
btnUp.onclick = () => {
map.moveLayerUp(layer);
reorder();
};
btnDown.onclick = () => {
map.moveLayerDown(layer);
reorder();
};
reorder();
}
bindUI(watercolor);
bindUI(toner);
bindUI(terrain);
<!doctype html>
<html lang="en">
<head>
<title>Change layer order</title>
<meta charset="UTF-8" />
<meta name="name" content="layer_ordering" />
<meta name="description" content="Move layers up and down in the map." />
<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/next/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-body p-0">
<ul id="layer-list" class="list-group list-group-flush">
<li id="terrain" class="list-group-item">
<div class="float-start align-start mx-4">terrain</div>
<div
class="btn-group btn-group-sm float-end"
role="group"
aria-label="Basic example"
>
<button
id="btn-terrain-up"
type="button"
class="btn btn-primary"
>
Up
</button>
<button
id="btn-terrain-down"
type="button"
class="btn btn-primary"
>
Down
</button>
</div>
</li>
<li id="toner" class="list-group-item">
<div class="float-start align-start mx-4">toner</div>
<div
class="btn-group btn-group-sm float-end"
role="group"
aria-label="Basic example"
>
<button id="btn-toner-up" type="button" class="btn btn-primary">
Up
</button>
<button
id="btn-toner-down"
type="button"
class="btn btn-primary"
>
Down
</button>
</div>
</li>
<li id="watercolor" class="list-group-item">
<div class="float-start align-start mx-4">watercolor</div>
<div
class="btn-group btn-group-sm float-end"
role="group"
aria-label="Basic example"
>
<button
id="btn-watercolor-up"
type="button"
class="btn btn-primary"
>
Up
</button>
<button
id="btn-watercolor-down"
type="button"
class="btn btn-primary"
>
Down
</button>
</div>
</li>
</ul>
</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>
{
"name": "layer_ordering",
"dependencies": {
"@giro3d/giro3d": "git+https://gitlab.com/giro3d/giro3d.git"
},
"devDependencies": {
"vite": "^3.2.3"
},
"scripts": {
"start": "vite",
"build": "vite build"
}
}