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206 lines
5.5 KiB
206 lines
5.5 KiB
2 years ago
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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 - loaders - NRRD 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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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
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NRRD format loader test
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</div>
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<div id="inset"></div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { TrackballControls } from 'three/addons/controls/TrackballControls.js';
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import { NRRDLoader } from 'three/addons/loaders/NRRDLoader.js';
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import { VTKLoader } from 'three/addons/loaders/VTKLoader.js';
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let container,
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stats,
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camera,
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controls,
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scene,
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renderer;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 1e10 );
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camera.position.z = 300;
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scene = new THREE.Scene();
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scene.add( camera );
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// light
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const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
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scene.add( hemiLight );
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const dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
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dirLight.position.set( 200, 200, 200 );
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scene.add( dirLight );
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const loader = new NRRDLoader();
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loader.load( 'models/nrrd/I.nrrd', function ( volume ) {
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//box helper to see the extend of the volume
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const geometry = new THREE.BoxGeometry( volume.xLength, volume.yLength, volume.zLength );
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const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
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const cube = new THREE.Mesh( geometry, material );
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cube.visible = false;
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const box = new THREE.BoxHelper( cube );
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scene.add( box );
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box.applyMatrix4( volume.matrix );
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scene.add( cube );
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//z plane
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const sliceZ = volume.extractSlice( 'z', Math.floor( volume.RASDimensions[ 2 ] / 4 ) );
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scene.add( sliceZ.mesh );
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//y plane
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const sliceY = volume.extractSlice( 'y', Math.floor( volume.RASDimensions[ 1 ] / 2 ) );
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scene.add( sliceY.mesh );
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//x plane
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const sliceX = volume.extractSlice( 'x', Math.floor( volume.RASDimensions[ 0 ] / 2 ) );
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scene.add( sliceX.mesh );
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gui.add( sliceX, 'index', 0, volume.RASDimensions[ 0 ], 1 ).name( 'indexX' ).onChange( function () {
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sliceX.repaint.call( sliceX );
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} );
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gui.add( sliceY, 'index', 0, volume.RASDimensions[ 1 ], 1 ).name( 'indexY' ).onChange( function () {
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sliceY.repaint.call( sliceY );
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} );
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gui.add( sliceZ, 'index', 0, volume.RASDimensions[ 2 ], 1 ).name( 'indexZ' ).onChange( function () {
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sliceZ.repaint.call( sliceZ );
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} );
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gui.add( volume, 'lowerThreshold', volume.min, volume.max, 1 ).name( 'Lower Threshold' ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, 'upperThreshold', volume.min, volume.max, 1 ).name( 'Upper Threshold' ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, 'windowLow', volume.min, volume.max, 1 ).name( 'Window Low' ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, 'windowHigh', volume.min, volume.max, 1 ).name( 'Window High' ).onChange( function () {
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volume.repaintAllSlices();
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} );
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} );
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const vtkmaterial = new THREE.MeshLambertMaterial( { wireframe: false, side: THREE.DoubleSide, color: 0xff0000 } );
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const vtkloader = new VTKLoader();
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vtkloader.load( 'models/vtk/liver.vtk', function ( geometry ) {
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geometry.computeVertexNormals();
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const mesh = new THREE.Mesh( geometry, vtkmaterial );
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scene.add( mesh );
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const visibilityControl = {
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visible: true
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};
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gui.add( visibilityControl, 'visible' ).name( 'Model Visible' ).onChange( function () {
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mesh.visible = visibilityControl.visible;
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renderer.render( scene, camera );
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} );
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} );
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// renderer
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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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container = document.createElement( 'div' );
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document.body.appendChild( container );
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container.appendChild( renderer.domElement );
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controls = new TrackballControls( camera, renderer.domElement );
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controls.minDistance = 100;
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controls.maxDistance = 500;
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controls.rotateSpeed = 5.0;
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controls.zoomSpeed = 5;
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controls.panSpeed = 2;
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stats = new Stats();
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container.appendChild( stats.dom );
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const gui = new GUI();
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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controls.handleResize();
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}
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function animate() {
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requestAnimationFrame( animate );
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controls.update();
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renderer.render( scene, camera );
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stats.update();
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}
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</script>
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</body>
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</html>
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