Information
?Some informations embedded in the vector data
Drape vector data on a map.
import { Fill, Stroke, Style, RegularShape } from "ol/style.js";
import TileWMS from "ol/source/TileWMS.js";
import GPX from "ol/format/GPX.js";
import KML from "ol/format/KML.js";
import GeoJSON from "ol/format/GeoJSON.js";
import GML32 from "ol/format/GML32.js";
import { MapControls } from "three/examples/jsm/controls/MapControls.js";
import BilFormat from "@giro3d/giro3d/formats/BilFormat.js";
import Extent from "@giro3d/giro3d/core/geographic/Extent.js";
import Instance from "@giro3d/giro3d/core/Instance.js";
import TiledImageSource from "@giro3d/giro3d/sources/TiledImageSource.js";
import ColorLayer from "@giro3d/giro3d/core/layer/ColorLayer.js";
import ElevationLayer from "@giro3d/giro3d/core/layer/ElevationLayer.js";
import Map from "@giro3d/giro3d/entities/Map.js";
import Inspector from "@giro3d/giro3d/gui/Inspector.js";
import VectorSource from "@giro3d/giro3d/sources/VectorSource.js";
Instance.registerCRS(
"EPSG:3946",
"+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs",
);
Instance.registerCRS(
"EPSG:4171",
"+proj=longlat +ellps=GRS80 +no_defs +type=crs",
);
const extent = new Extent(
"EPSG:3946",
1837816.94334,
1847692.32501,
5170036.4587,
5178412.82698,
);
const instance = new Instance({
target: "view",
crs: "EPSG:3946",
});
const map = new Map({ extent });
instance.add(map);
const colorSource = new TiledImageSource({
source: new TileWMS({
url: "https://data.geopf.fr/wms-r",
projection: "EPSG:3946",
params: {
LAYERS: ["HR.ORTHOIMAGERY.ORTHOPHOTOS"],
FORMAT: "image/jpeg",
},
}),
});
const colorLayer = new ColorLayer({
name: "wms_imagery",
extent,
source: colorSource,
});
map.addLayer(colorLayer);
// Adds a WMS elevation layer
const elevationSource = new TiledImageSource({
source: new TileWMS({
url: "https://data.geopf.fr/wms-r",
projection: "EPSG:3946",
crossOrigin: "anonymous",
params: {
LAYERS: ["ELEVATION.ELEVATIONGRIDCOVERAGE.HIGHRES"],
FORMAT: "image/x-bil;bits=32",
},
}),
format: new BilFormat(),
noDataValue: -1000,
});
const elevationLayer = new ElevationLayer({
name: "wms_elevation",
extent,
source: elevationSource,
});
map.addLayer(elevationLayer);
// Adds our first layer from a GeoJSON file
// Initial source: https://data.grandlyon.com/jeux-de-donnees/parcs-places-jardins-indice-canopee-metropole-lyon/info
const geoJsonLayer = new ColorLayer({
name: "geojson",
source: new VectorSource({
data: {
url: "https://3d.oslandia.com/lyon/evg_esp_veg.evgparcindiccanope_latest.geojson",
format: new GeoJSON(),
},
// Defines the dataProjection to reproject the data,
// GeoJSON specifications say that the crs should be EPSG:4326 but
// here we are using a different one.
dataProjection: "EPSG:4171",
style: (feature) =>
new Style({
fill: new Fill({
color: `rgba(0, 128, 0, ${feature.get("indiccanop")})`,
}),
stroke: new Stroke({
color: "white",
}),
}),
}),
});
map.addLayer(geoJsonLayer);
// Adds a second vector layer from a GPX file
const gpxLayer = new ColorLayer({
name: "gpx",
source: new VectorSource({
data: {
url: "https://3d.oslandia.com/lyon/track.gpx",
format: new GPX(),
},
// Defines the dataProjection to reproject the data,
// KML and GPX specifications say that the crs is EPSG:4326.
dataProjection: "EPSG:4326",
style: new Style({
stroke: new Stroke({
color: "#FA8C22",
width: 2,
}),
}),
}),
});
map.addLayer(gpxLayer);
// Adds a third source from a KML file
// Initial source: https://data.grandlyon.com/jeux-de-donnees/lignes-metro-funiculaire-reseau-transports-commun-lyonnais-v2/info
// Edited for convering to KML+adding proper colors
const kmlLayer = new ColorLayer({
name: "kml",
source: new VectorSource({
data: {
url: "https://3d.oslandia.com/lyon/tcl_sytral.tcllignemf_2_0_0.kml",
format: new KML(),
},
dataProjection: "EPSG:3946",
// With KML format, there is not necessary to specify style rules,
// there are already present in the file.
}),
});
map.addLayer(kmlLayer);
// Adds our fourth layer from a GML file
// Initial source: https://data.grandlyon.com/jeux-de-donnees/bornes-fontaine-metropole-lyon/info
// Edited for having a simple GML FeatureCollection
const gmlLayer = new ColorLayer({
name: "gml",
source: new VectorSource({
data: {
url: "https://3d.oslandia.com/lyon/adr_voie_lieu.adrbornefontaine_latest.gml",
format: new GML32(),
},
dataProjection: "EPSG:4171",
style: (feature, resolution) => {
const meters = 1 / resolution; // Assuming pixel ratio is 1
// We want to display a 5*5m square, except
// for when we're too far away, use a 2*2px square
const size = Math.max(5 * meters, 2);
return new Style({
image: new RegularShape({
radius: size,
points: 4,
stroke: new Stroke({
width: 1,
color: [255, 255, 255, 1],
}),
fill: new Fill({
color: [0, 0, 128, 1],
}),
}),
});
},
}),
});
map.addLayer(gmlLayer);
instance.view.camera.position.set(extent.west, extent.south, 2000);
const controls = new MapControls(instance.view.camera, instance.domElement);
controls.target = extent.centerAsVector3();
controls.saveState();
controls.enableDamping = true;
controls.dampingFactor = 0.2;
controls.maxPolarAngle = Math.PI / 2.3;
instance.view.setControls(controls);
const resultTable = document.getElementById("results");
instance.domElement.addEventListener("mousemove", (e) => {
const pickResults = instance.pickObjectsAt(e, {
radius: 5,
limit: 1,
pickFeatures: true,
sortByDistance: true,
});
const pickedObject = pickResults[0];
resultTable.innerHTML = "";
if (pickedObject?.features && pickedObject.features.length > 0) {
for (const { layer, feature } of pickedObject.features) {
const layerName = layer.name;
const featureName =
feature.get("nom") ?? feature.get("name") ?? feature.get("gid");
resultTable.innerHTML += `${layerName}: ${featureName}<br>`;
}
}
});
Inspector.attach("inspector", instance);
<!doctype html>
<html lang="en">
<head>
<title>Native Vector Data</title>
<meta charset="UTF-8" />
<meta name="name" content="planar_vector" />
<meta name="description" content="Drape vector data on a 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/latest/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" style="min-height: 9rem">
<div class="card">
<h5 class="card-header">Information</h5>
<!-- tooltip -->
<span
class="badge bg-secondary position-absolute top-0 end-0 m-2"
data-bs-toggle="popover"
data-bs-content="pickingHelper"
>?</span
>
<p class="card-text d-none" id="pickingHelper">
Some informations embedded in the vector data
</p>
<div class="card-body">
<!-- Result table -->
<div id="results"></div>
</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": "planar_vector",
"dependencies": {
"@giro3d/giro3d": "0.39.0"
},
"devDependencies": {
"vite": "^3.2.3"
},
"scripts": {
"start": "vite",
"build": "vite build"
}
}