-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathquad_viewer.html
271 lines (217 loc) · 9.98 KB
/
quad_viewer.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
<!DOCTYPE html>
<!-- Code for visualizing 4 spectral bands together.
Reference: https://threejs.org/examples/#webgl_multiple_scenes_comparison -->
<html lang="en">
<head>
<title>Quad Viewer</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<script src="./build/dat.gui.min.js"></script>
<link type="text/css" rel="stylesheet" href="main.css">
</head>
<body>
<div class="container">
<div class="knob" id="knob" style="display:none"></div>
<input type="file" id="fileInputI" name="file" style="display:None;" webkitdirectory multiple/>
<div id="guiFolder"></div>
<div id="guiLL"></div>
<div id="guiLU"></div>
<div id="guiRU"></div>
<div id="guiRL"></div>
</div>
<script type="module">
import * as THREE from './build/three.module.js';
var container, camera, renderer, controls;
var sceneLU, sceneLL, sceneRU, sceneRL;
// initial position of the knob
var knobY = window.innerHeight / 2;
var knobX = window.innerWidth / 2;
var knobMoved = false;
container = document.querySelector( '.container' );
// initialize all quadrant backgrounds
sceneLU = new THREE.Scene();
sceneLU.background = new THREE.Color( 0x000000 );
sceneLL = new THREE.Scene();
sceneLL.background = new THREE.Color( 0x000000 );
sceneRU = new THREE.Scene();
sceneRU.background = new THREE.Color( 0x000000 );
sceneRL = new THREE.Scene();
sceneRL.background = new THREE.Color( 0x000000 );
// define camera for the scenes
camera = new THREE.PerspectiveCamera( 35, container.clientWidth/container.clientHeight, 0.1, 100 );
camera.position.set( 0, 0, 10 );
// define geometry for the document - currently fixed, add options to modify this
var geometry = new THREE.PlaneBufferGeometry(10, 6, 32, 8);
// initialize textures in the four quadrants
var materialLU = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
var materialLL = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
var materialRL = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
var materialRU = new THREE.MeshStandardMaterial({
map: new THREE.TextureLoader().load('./textures/black.jpg')
});
// creating mesh for each quadrant
var meshLU = new THREE.Mesh(geometry, materialLU);
sceneLU.add(meshLU);
var meshLL = new THREE.Mesh( geometry, materialLL );
sceneLL.add( meshLL );
var meshRU = new THREE.Mesh( geometry, materialRU );
sceneRU.add( meshRU );
var meshRL = new THREE.Mesh( geometry, materialRL );
sceneRL.add( meshRL );
// addinig two lights for uniform illumination
var light1 = new THREE.DirectionalLight();
light1.position.set( 20, 20, 10 );
sceneLU.add( light1 );
sceneLL.add( light1.clone());
sceneRU.add( light1.clone() );
sceneRL.add( light1.clone() );
var light2 = new THREE.DirectionalLight();
light2.position.set( - 20, 20, 10 );
sceneLU.add( light2 );
sceneLL.add( light2.clone() );
sceneRU.add( light2.clone() );
sceneRL.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 = {
Quadrant1: '',
Quadrant2: '',
Quadrant3: '',
Quadrant4: '',
loadFolder : function() {
document.getElementById('fileInputI').click();
}
};
// gui for selecting folder to upload images
var gui = new dat.GUI({ autoPlace: false , height: 300 });
var folder_gui = document.getElementById('guiFolder');
folder_gui.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
document.getElementById('guiFolder').remove();
// initialize textures for first four files
meshRU.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[0]));
meshRL.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[1]));
meshLU.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[2]));
meshLL.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_list[3]));
// 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['Quadrant1'] = file_urls[0];
params['Quadrant4'] = file_urls[1];
params['Quadrant2'] = file_urls[2];
params['Quadrant3'] = file_urls[3];
// define right upper gui
var guiRU = new dat.GUI({ autoPlace: false , height: 300 });
var RU_container = document.getElementById('guiRU');
RU_container.appendChild(guiRU.domElement);
var ui_RU = guiRU.add(params, 'Quadrant1', file_urls)
.name('Quadrant 1')
.listen();
ui_RU.onChange(function(newValue){
meshRU.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
//define right lower gui
var guiRL = new dat.GUI({ autoPlace: false, height: 300 });
var RL_container = document.getElementById('guiRL');
RL_container.appendChild(guiRL.domElement);
var ui_RL = guiRL.add(params, 'Quadrant4', file_urls)
.name('Quadrant 4')
.listen();
ui_RL.onChange(function(newValue){
meshRL.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
//define left lower gui
var guiLL = new dat.GUI({ autoPlace: false , height: 300 });
var LL_container = document.getElementById('guiLL');
LL_container.appendChild(guiLL.domElement);
var ui_LL = guiLL.add(params, 'Quadrant3', file_urls)
.name('Quadrant 3')
.listen();
ui_LL.onChange(function(newValue){
meshLL.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
//define left upper gui
var guiLU = new dat.GUI({ autoPlace: false , height: 300 });
var LU_container = document.getElementById('guiLU');
LU_container.appendChild(guiLU.domElement);
var ui_LU = guiLU.add(params, 'Quadrant2', file_urls)
.name('Quadrant 2')
.listen();
ui_LU.onChange(function(newValue){
meshLU.material.map = new THREE.TextureLoader().load(URL.createObjectURL(file_dict[newValue]));
});
// enable knob for changing quadrant boundaries
document.getElementById('knob').style.display = 'block';
}
var knob = document.getElementById( 'knob' );
var clicked = false;
knob.addEventListener( 'mousedown', function(){clicked = true;});
knob.addEventListener( 'touchstart', function(){clicked = true;});
window.addEventListener( 'mouseup', function(){clicked = false;});
window.addEventListener( 'touchend', function(){clicked = false;});
window.addEventListener( 'mousemove', knobMove );
window.addEventListener( 'touchmove', knobMove );
window.addEventListener( 'resize', onWindowResize );
function knobMove( e ) {
if ( ! clicked ) return false;
knobMoved = true;
knobX = ( e.pageX === undefined ) ? e.touches[ 0 ].pageX : e.pageX;
knobY = ( e.pageY === undefined ) ? window.innerHeight - e.touches[ 0 ].pageY : window.innerHeight - e.pageY;
//prevent the knob from being positioned outside the window bounds
if ( knobX < 0 ) knobX = 0;
if ( knobY < 0 ) knobY = 0;
if ( knobX > window.innerWidth ) knobX = window.innerWidth;
if ( knobY > window.innerHeight ) knobY = window.innerHeight;
knob.style.left = knobX - ( knob.offsetWidth / 2 ) + "px";
knob.style.top = window.innerHeight - knobY - knob.offsetHeight*3/4 + "px";
}
// start rendering
renderer.setAnimationLoop( render );
function render() {
// update size of each quadrant according to position of the knob
renderer.setScissorTest( true );
renderer.setScissor( 0, 0, knobX, knobY );
renderer.render( sceneLL, camera );
renderer.setScissor( 0, knobY, knobX, window.innerHeight - knobY );
renderer.render( sceneLU, camera );
renderer.setScissor( knobX, knobY, window.innerWidth - knobX, window.innerHeight - knobY );
renderer.render( sceneRU, camera );
renderer.setScissor( knobX, 0, window.innerWidth - knobX, knobY );
renderer.render( sceneRL, camera );
}
function onWindowResize() {
camera.aspect = container.clientWidth / container.clientHeight;
camera.updateProjectionMatrix();
renderer.setSize( container.clientWidth, container.clientHeight );
if ( ! knobMoved ) {
knobX = window.innerWidth / 2;
knobY = window.innerHeight / 2;
}
}
</script>
</body>
</html>