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webgl_loader_nrrd.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - loaders - NRRD loader</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #000;
color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 5;
display:block;
}
.dg {
z-index: 10 !important;
}
#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
#inset {
width: 150px;
height: 150px;
background-color: transparent; /* or transparent; will show through only if renderer alpha: true */
border: none; /* or none; */
margin: 0;
padding: 0px;
position: absolute;
left: 20px;
bottom: 20px;
z-index: 100;
}
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> -
NRRD format loader test
</div>
<div id="inset"></div>
<script src="../build/three.js"></script>
<script src="js/controls/TrackballControls.js"></script>
<script src="js/Volume.js"></script>
<script src="js/VolumeSlice.js"></script>
<script src="js/loaders/NRRDLoader.js"></script>
<script src="js/loaders/VTKLoader.js"></script>
<script src="js/WebGL.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/libs/gunzip.min.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var container,
stats,
camera,
controls,
scene,
renderer,
container2,
renderer2,
camera2,
axes2,
scene2;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 1e10 );
camera.position.z = 300;
scene = new THREE.Scene();
scene.add( camera );
// light
var dirLight = new THREE.DirectionalLight( 0xffffff );
dirLight.position.set( 200, 200, 1000 ).normalize();
camera.add( dirLight );
camera.add( dirLight.target );
var loader = new THREE.NRRDLoader();
loader.load( "models/nrrd/I.nrrd", function ( volume ) {
var geometry,
material,
sliceZ,
sliceY,
sliceX;
//box helper to see the extend of the volume
var geometry = new THREE.BoxBufferGeometry( volume.xLength, volume.yLength, volume.zLength );
var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
var cube = new THREE.Mesh( geometry, material );
cube.visible = false;
var box = new THREE.BoxHelper( cube );
scene.add( box );
box.applyMatrix( volume.matrix );
scene.add( cube );
//z plane
sliceZ = volume.extractSlice( 'z', Math.floor( volume.RASDimensions[ 2 ] / 4 ) );
scene.add( sliceZ.mesh );
//y plane
sliceY = volume.extractSlice( 'y', Math.floor( volume.RASDimensions[ 1 ] / 2 ) );
scene.add( sliceY.mesh );
//x plane
sliceX = volume.extractSlice( 'x', Math.floor( volume.RASDimensions[ 0 ] / 2 ) );
scene.add( sliceX.mesh );
gui.add( sliceX, "index", 0, volume.RASDimensions[ 0 ], 1 ).name( "indexX" ).onChange( function () {
sliceX.repaint.call( sliceX );
} );
gui.add( sliceY, "index", 0, volume.RASDimensions[ 1 ], 1 ).name( "indexY" ).onChange( function () {
sliceY.repaint.call( sliceY );
} );
gui.add( sliceZ, "index", 0, volume.RASDimensions[ 2 ], 1 ).name( "indexZ" ).onChange( function () {
sliceZ.repaint.call( sliceZ );
} );
gui.add( volume, "lowerThreshold", volume.min, volume.max, 1 ).name( "Lower Threshold" ).onChange( function () {
volume.repaintAllSlices();
} );
gui.add( volume, "upperThreshold", volume.min, volume.max, 1 ).name( "Upper Threshold" ).onChange( function () {
volume.repaintAllSlices();
} );
gui.add( volume, "windowLow", volume.min, volume.max, 1 ).name( "Window Low" ).onChange( function () {
volume.repaintAllSlices();
} );
gui.add( volume, "windowHigh", volume.min, volume.max, 1 ).name( "Window High" ).onChange( function () {
volume.repaintAllSlices();
} );
} );
var vtkmaterial = new THREE.MeshLambertMaterial( { wireframe: false, morphTargets: false, side: THREE.DoubleSide, color: 0xff0000 } );
var vtkloader = new THREE.VTKLoader();
vtkloader.load( "models/vtk/liver.vtk", function ( geometry ) {
geometry.computeVertexNormals();
var mesh = new THREE.Mesh( geometry, vtkmaterial );
scene.add( mesh );
var visibilityControl = {
visible: true
};
gui.add( visibilityControl, "visible" ).name( "Model Visible" ).onChange( function () {
mesh.visible = visibilityControl.visible;
renderer.render( scene, camera );
} );
} );
// renderer
renderer = new THREE.WebGLRenderer( { alpha: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container = document.createElement( 'div' );
document.body.appendChild( container );
container.appendChild( renderer.domElement );
controls = new THREE.TrackballControls( camera, renderer.domElement );
controls.rotateSpeed = 5.0;
controls.zoomSpeed = 5;
controls.panSpeed = 2;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
stats = new Stats();
container.appendChild( stats.dom );
var gui = new dat.GUI();
setupInset();
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
controls.handleResize();
}
function animate() {
requestAnimationFrame( animate );
controls.update();
//copy position of the camera into inset
camera2.position.copy( camera.position );
camera2.position.sub( controls.target );
camera2.position.setLength( 300 );
camera2.lookAt( scene2.position );
renderer.render( scene, camera );
renderer2.render( scene2, camera2 );
stats.update();
}
function setupInset() {
var insetWidth = 150,
insetHeight = 150;
container2 = document.getElementById( 'inset' );
container2.width = insetWidth;
container2.height = insetHeight;
// renderer
renderer2 = new THREE.WebGLRenderer( { alpha: true } );
renderer2.setClearColor( 0x000000, 0 );
renderer2.setSize( insetWidth, insetHeight );
container2.appendChild( renderer2.domElement );
// scene
scene2 = new THREE.Scene();
// camera
camera2 = new THREE.PerspectiveCamera( 50, insetWidth / insetHeight, 1, 1000 );
camera2.up = camera.up; // important!
// axes
axes2 = new THREE.AxesHelper( 100 );
scene2.add( axes2 );
}
</script>
</body>
</html>