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quad_window.html
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<!DOCTYPE html>
<!-- Code for visualizing 2 spectral bands together.
Reference: https://threejs.org/examples/#webgl_multiple_scenes_comparison -->
<html lang="en">
<head>
<title>Quad Window</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
<script src="./build/dat.gui.min.js"></script>
</head>
<body>
<div class="container">
<div class="hook" id="hook"></div>
<input type="file" id="fileInputI" name="file" style="display:None;" webkitdirectory multiple/>
<div id="gui"></div>
</div>
<script type="module">
import * as THREE from './build/three.module.js';
var container, camera, renderer, controls;
var sceneOuter, sceneInside;
// initial position of the window
var hookPosy = window.innerHeight / 2;
var hookPosx = window.innerWidth / 2;
var hookMoved = false;
container = document.querySelector( '.container' );
// initialize inner and outer scene of the window
sceneOuter = new THREE.Scene();
sceneOuter.background = new THREE.Color( 0x000000 );
sceneInside = new THREE.Scene();
sceneInside.background = new THREE.Color( 0x000000 );
// define camera for scenes
camera = new THREE.PerspectiveCamera( 35, container.clientWidth/container.clientHeight, 0.1, 100 );
camera.position.set( 0, 0, 10 );
// defining planar document for the document
var geometry = new THREE.PlaneBufferGeometry(10, 6, 32, 8);
// initialize textures for inner and outer part of window
var materialOuter = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
var materialInner = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
// creating mesh for the scenes
var meshOuter = new THREE.Mesh(geometry, materialOuter);
sceneOuter.add(meshOuter);
var meshInner = new THREE.Mesh( geometry, materialInner );
sceneInside.add( meshInner );
// adding two lights for uniform illumination
var light1 = new THREE.DirectionalLight();
light1.position.set( 20, 20, 10 );
sceneOuter.add( light1.clone() );
sceneInside.add( light1.clone() );
var light2 = new THREE.DirectionalLight();
light2.position.set( - 20, 20, 10 );
sceneOuter.add( light2.clone() );
sceneInside.add( light2.clone() );
// initializing the renderer
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setSize( container.clientWidth, container.clientHeight );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setScissorTest( true );
container.appendChild( renderer.domElement );
// initializing gui parameters
var params = {
Outer: 'rgb',
Inner: 'pca2',
window_size: 150,
loadFolder : function() {
document.getElementById('fileInputI').click();
}
};
// gui for selecting folder to upload images
var gui = new dat.GUI({ autoPlace: false , height: 300 });
var RU_container = document.getElementById('gui');
RU_container.appendChild(gui.domElement);
var browseFolder = gui.add(params, 'loadFolder').name('Load folder');
var inputFolder = document.getElementById('fileInputI');
inputFolder.addEventListener('change', (e) => {
var file_list = e.target.files;
update_gui(file_list);
}, false);
// function to initialize the viewer after a folder is selected
function update_gui(file_list){
// remove folder gui
gui.__controllers[0].remove();
// initialize textures for inner and background regions
meshOuter.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[0]));
meshInner.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[1]));
// extract file names for file objects
var file_urls = [];
var file_dict = {};
for (var i = 0; i < file_list.length; i++) {
file_urls.push(file_list[i].name);
file_dict[file_list[i].name] = file_list[i];
}
// update guis in each quadrant with respective file name
params['Outer'] = file_urls[0];
params['Inner'] = file_urls[1];
// defining outer UI
var ui_outer = gui.add(params, 'Outer', file_urls)
.name('Outer')
.listen();
ui_outer.onChange(function(newValue){
meshOuter.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
// defining inner UI
var ui_inner = gui.add(params, 'Inner', file_urls)
.name('Inner')
.listen();
ui_inner.onChange(function(newValue){
meshInner.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
// option to change window size
gui.add(params, 'window_size', 100, 500);
}
var hook = document.getElementById( 'hook' );
var clicked = false;
window.addEventListener( 'mousedown', function(){clicked = true ;});
window.addEventListener( 'touchstart', function(){clicked = true ;});
window.addEventListener( 'mouseup', function(){clicked = false;});
window.addEventListener( 'touchend', function(){clicked = false;});
window.addEventListener( 'mousemove', hookMove );
window.addEventListener( 'touchmove', hookMove );
window.addEventListener( 'resize', onWindowResize );
function hookMove( e ) {
if ( ! clicked ) return false;
hookMoved = true;
hookPosx = ( e.pageX === undefined ) ? e.touches[ 0 ].pageX : e.pageX;
hookPosy = ( e.pageY === undefined ) ? window.innerHeight - e.touches[ 0 ].pageY : window.innerHeight - e.pageY;
//prevent the hook from being positioned outside the window bounds
if ( hookPosx < 0 ) hookPosx = 0;
if ( hookPosy < 0 ) hookPosy = 0;
if ( hookPosx > window.innerWidth ) hookPosx = window.innerWidth;
if ( hookPosy > window.innerHeight ) hookPosy = window.innerHeight;
hook.style.left = hookPosx + "px";
hook.style.top = window.innerHeight - hookPosy + "px";
}
// start rendering
renderer.setAnimationLoop(render);
function render() {
renderer.setScissorTest( true );
renderer.setScissor( 0, 0, window.innerWidth, window.innerHeight );
renderer.render( sceneOuter, camera );
renderer.setScissor( hookPosx - params.window_size/2, hookPosy - params.window_size/2 , params.window_size, params.window_size );
renderer.render( sceneInside, camera );
}
function onWindowResize() {
camera.aspect = container.clientWidth / container.clientHeight;
camera.updateProjectionMatrix();
renderer.setSize( container.clientWidth, container.clientHeight );
if ( ! hookMoved ) {
hookPosx = window.innerWidth / 2;
hookPosy = window.innerHeight / 2;
}
}
</script>
</body>
</html>