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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgl - materials - LogLuv texture loader</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <link type="text/css" rel="stylesheet" href="main.css">
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+ </head>
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+ <body>
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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl LogLuv texture loader example
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+
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+ import { GUI } from './jsm/libs/lil-gui.module.min.js';
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+
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+ import { LogLuvLoader } from './jsm/loaders/LogLuvLoader.js';
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+
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+ const params = {
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+ exposure: 2.0
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+ };
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+
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+ let renderer, scene, camera;
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+
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+ init();
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+
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+ function init() {
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+
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ document.body.appendChild( renderer.domElement );
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+
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+ renderer.toneMapping = THREE.ReinhardToneMapping;
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+ renderer.toneMappingExposure = params.exposure;
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+
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+ renderer.outputEncoding = THREE.sRGBEncoding;
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+
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+ scene = new THREE.Scene();
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+
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+ const aspect = window.innerWidth / window.innerHeight;
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+
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+ camera = new THREE.OrthographicCamera( - aspect, aspect, 1, - 1, 0, 1 );
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+
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+ new LogLuvLoader().load( 'textures/memorial.tif', function ( texture ) {
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+
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+ const material = new THREE.MeshBasicMaterial( { map: texture } );
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+
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+ const quad = new THREE.PlaneGeometry( 1, 1.5 );
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+
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+ const mesh = new THREE.Mesh( quad, material );
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+
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+ scene.add( mesh );
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+
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+ render();
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+
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+ } );
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+
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+ //
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+
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+ const gui = new GUI();
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+
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+ gui.add( params, 'exposure', 0, 4, 0.01 ).onChange( render );
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+ gui.open();
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ const aspect = window.innerWidth / window.innerHeight;
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+
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+ const frustumHeight = camera.top - camera.bottom;
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+
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+ camera.left = - frustumHeight * aspect / 2;
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+ camera.right = frustumHeight * aspect / 2;
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+
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ render();
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+
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+ }
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+
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+ //
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+
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+ function render() {
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+
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+ renderer.toneMappingExposure = params.exposure;
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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Michael Herzog
