three-geojson-geometry
Version:
ThreeJS geometry for stroking GeoJSON objects on a sphere
61 lines (50 loc) • 1.85 kB
HTML
<head>
<style> body { margin: 0; } </style>
<script type="importmap">{ "imports": {
"three": "https://esm.sh/three",
"three/addons/": "https://esm.sh/three/examples/jsm/"
}}</script>
<!-- <script type="module">import * as THREE from 'three'; window.THREE = THREE;</script>-->
<!-- <script src="../../dist/three-geojson-geometry.js" defer></script>-->
</head>
<body>
<div id="viz"></div>
<script type="module">
import GeoJsonGeometry from 'https://esm.sh/three-geojson-geometry?external=three';
import * as THREE from 'three';
import { TrackballControls } from 'three/addons/controls/TrackballControls.js?external=three';
import { geoGraticule10 } from 'https://esm.sh/d3-geo';
const alt = 50;
const material = new THREE.LineBasicMaterial({ color: 'blue' });
const graticuleObj = new THREE.LineSegments(
new GeoJsonGeometry(geoGraticule10(), alt),
material
);
// Setup renderer
const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('viz').appendChild(renderer.domElement);
// Setup scene
const scene = new THREE.Scene();
scene.add(graticuleObj);
scene.add(new THREE.AmbientLight(0xbbbbbb));
scene.add(new THREE.DirectionalLight(0xffffff, 0.6));
// Setup camera
const camera = new THREE.PerspectiveCamera();
camera.aspect = window.innerWidth/ window.innerHeight;
camera.updateProjectionMatrix();
camera.position.z = 200;
// Add camera controls
const tbControls = new TrackballControls(camera, renderer.domElement);
tbControls.minDistance = 1;
tbControls.rotateSpeed = 5;
tbControls.zoomSpeed = 0.8;
// Kick-off renderer
(function animate() { // IIFE
// Frame cycle
tbControls.update();
renderer.render(scene, camera);
requestAnimationFrame(animate);
})();
</script>
</body>