Parameters
Stress test a map with many color layers.
import { Color, MathUtils } from 'three';
import { MapControls } from 'three/examples/jsm/controls/MapControls.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 DebugSource from '@giro3d/giro3d/sources/DebugSource.js';
// Defines geographic extent: CRS, min/max X, min/max Y
const extent = new Extent(
'EPSG:3857',
-20037508.342789244,
20037508.342789244,
-20037508.342789244,
20037508.342789244,
);
// `viewerDiv` will contain Giro3D' rendering area (the canvas element)
const viewerDiv = document.getElementById('viewerDiv');
// Creates a Giro3D instance
const instance = new Instance(viewerDiv, {
crs: extent.crs(),
renderer: {
clearColor: 0x0a3b59,
},
});
// Instanciates camera
instance.camera.camera3D.position.set(0, 0, 25000000);
// Instanciates controls
const controls = new MapControls(instance.camera.camera3D, instance.domElement);
instance.useTHREEControls(controls);
Inspector.attach(document.getElementById('panelDiv'), instance);
function bindSlider(name, callback) {
const slider = document.getElementById(name);
slider.oninput = function oninput() {
callback(slider.value);
};
}
function bindToggle(name, callback) {
const toggle = document.getElementById(name);
toggle.oninput = () => {
const state = toggle.checked;
callback(state);
};
}
function createColorLayer() {
const source = new DebugSource({
color: new Color().setHSL(Math.random(), 0.5, 0.5),
extent,
subdivisions: MathUtils.randInt(1, 4),
});
return new ColorLayer({ extent, source, showTileBorders: true });
}
let layerCount = 8;
let forceTextureAtlases = false;
/** @type {Map} */
let map = null;
function buildMapAndLayers() {
if (map) {
for (const layer of map.getLayers()) {
map.removeLayer(layer, { disposeLayer: true });
}
instance.remove(map);
}
// Creates a map that will contain the layer
map = new Map('map', { extent, forceTextureAtlases });
instance.add(map);
for (let i = 0; i < layerCount; i++) {
map.addLayer(createColorLayer());
}
}
bindSlider('layerCount', count => {
layerCount = count;
});
bindToggle('forceAtlases', force => {
forceTextureAtlases = force;
});
document.getElementById('build').onclick = () => buildMapAndLayers();
<!doctype html>
<html lang="en">
<head>
<title>Color layer stress test</title>
<meta charset="UTF-8" />
<meta name="name" content="layer_stress_test" />
<meta name="description" content="Stress test a map with many color layers." />
<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/css/example.css"
/>
</head>
<body>
<div id="viewerDiv" class="m-0 p-0 w-100 h-100"></div>
<div id="panelDiv" 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">
<div class="mb-3">
<label for="layerCount" class="form-label">Color layer count</label>
<div class="input-group">
<input
type="number"
min="0"
max="100"
autocomplete="off"
value="8"
class="form-control"
id="layerCount"
/>
</div>
</div>
<div class="form-check form-switch mb-3">
<input
class="form-check-input"
type="checkbox"
autocomplete="off"
role="switch"
id="forceAtlases"
/>
<label class="form-check-label" for="forceAtlases">Force texture atlases</label>
</div>
<button type="button" class="btn btn-primary" id="build">Generate</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>
{
"name": "layer_stress_test",
"dependencies": {
"@giro3d/giro3d": "0.38.5"
},
"devDependencies": {
"vite": "^3.2.3"
},
"scripts": {
"start": "vite",
"build": "vite build"
}
}