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Update templates/index.html

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réécriture complète du front pour permettre l'upload de deux images et l'affichage de euclid

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  1. templates/index.html +72 -560
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@@ -1,577 +1,89 @@
1
- <!DOCTYPE html>
2
- <html>
3
- <head>
4
- <title>Reward Simulator</title>
5
- <meta name="viewport" content="width=device-width, initial-scale=1">
6
- <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
7
- <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.7.2/font/bootstrap-icons.css">
8
- <style>
9
- html {
10
- scroll-behavior: smooth;
11
- }
12
- .metric-row {
13
- display: flex;
14
- flex-wrap: wrap;
15
- justify-content: space-between;
16
- padding: 4px;
17
- margin: 2px 0;
18
- font-family: monospace;
19
- font-size: 12px;
20
- align-items: center;
21
- }
22
- .metric-label {
23
- flex: 1 1 auto;
24
- text-align: left;
25
- padding-right: 5px;
26
- min-width: 150px;
27
- }
28
- .metric-value {
29
- flex: 0 0 60px;
30
- text-align: right;
31
- font-weight: 500;
32
- }
33
- .result-card {
34
- margin-bottom: 20px;
35
- padding: 15px;
36
- border: 1px solid #ddd;
37
- border-radius: 8px;
38
- }
39
- .preset-image-container {
40
- width: 100%;
41
- position: relative;
42
- overflow: hidden;
43
- }
44
- .preset-image {
45
- cursor: pointer;
46
- transition: transform 0.2s;
47
- width: 100%;
48
- height: auto;
49
- max-height: none;
50
- object-fit: contain;
51
- }
52
- .preset-image:hover {
53
- transform: scale(1.05);
54
- }
55
- .dropzone {
56
- border: 2px dashed #ccc;
57
- border-radius: 4px;
58
- padding: 20px;
59
- text-align: center;
60
- background: #f8f9fa;
61
- margin: 20px 0;
62
- }
63
- .dropzone.dragover {
64
- background: #e9ecef;
65
- border-color: #0d6efd;
66
- }
67
- [data-tooltip] {
68
- position: relative;
69
- cursor: help;
70
- }
71
- [data-tooltip]:hover:after {
72
- content: attr(data-tooltip);
73
- position: absolute;
74
- bottom: 100%;
75
- left: 50%;
76
- transform: translateX(-50%);
77
- background: #333;
78
- color: white;
79
- padding: 5px 10px;
80
- border-radius: 4px;
81
- font-size: 12px;
82
- white-space: pre-wrap;
83
- width: 200px;
84
- z-index: 1000;
85
- }
86
- .image-caption {
87
- font-style: italic;
88
- font-size: 0.8rem;
89
- color: #666;
90
- margin-top: 5px;
91
- text-align: center;
92
- }
93
- .loading-container {
94
- text-align: center;
95
- padding: 40px;
96
- background: #f8f9fa;
97
- border-radius: 8px;
98
- margin: 20px 0;
99
- }
100
- .loading-spinner {
101
- width: 3rem;
102
- height: 3rem;
103
- margin-bottom: 1rem;
104
- }
105
- .loading-text {
106
- color: #6c757d;
107
- font-size: 1.1rem;
108
- }
109
 
110
- .preview-image {
111
- max-height: 400px;
112
- width: auto;
113
- display: block;
114
- margin: 0 auto;
115
- }
116
- .result-image {
117
- cursor: pointer;
118
- transition: transform 0.2s;
119
- max-height: 150px;
120
- object-fit: contain;
121
- }
122
- .result-image:hover {
123
- transform: scale(1.05);
124
- }
125
 
126
- @media (max-width: 768px) {
127
- .preset-image-container {
128
- width: 100%;
129
- padding-bottom: 100%; /* Creates a square aspect ratio */
130
- position: relative;
131
- }
132
- .preset-image {
133
- position: absolute;
134
- top: 0;
135
- left: 0;
136
- width: 100%;
137
- height: 100%;
138
- object-fit: cover;
139
- }
140
- .result-card {
141
- flex-direction: column !important;
142
- }
143
- .result-card .image-container {
144
- flex-basis: 100% !important;
145
- max-width: 100% !important;
146
- margin-bottom: 15px;
147
- }
148
- .result-card .metrics-container {
149
- flex-basis: 100% !important;
150
- max-width: 100% !important;
151
- padding-left: 0 !important;
152
- }
153
- .result-card img {
154
- max-height: 200px !important;
155
- width: 100%;
156
- object-fit: cover;
157
- }
158
- .col-md-4 {
159
- margin-bottom: 20px;
160
- }
161
- #previewContainer {
162
- margin-bottom: 20px;
163
- text-align: center;
164
- }
165
- #imagePreview {
166
- max-width: 100%;
167
- height: auto;
168
- margin: 0 auto;
169
- }
170
- .sticky-top {
171
- position: relative !important;
172
- }
173
  }
174
- </style>
175
- </head>
176
- <body>
177
- <div class="container mt-4">
178
- <h1>Reward Simulator</h1>
179
-
180
- <!-- Ligne de 2 groupes de 3 images -->
181
- <div class="row mt-4">
182
- <!-- Groupe 1 -->
183
- <div class="col-md-6">
184
- <h5>Select an original image</h5>
185
- <div class="row">
186
- <div class="col-4">
187
- <div class="preset-image-container">
188
- <img src="/static/1.webp" class="preset-image" onclick="selectPreset(1)" alt="Preset 1">
189
- </div>
190
- <div class="image-caption">A vibrant red rose in full bloom</div>
191
- </div>
192
- <div class="col-4">
193
- <div class="preset-image-container">
194
- <img src="/static/2.webp" class="preset-image" onclick="selectPreset(2)" alt="Preset 2">
195
- </div>
196
- <div class="image-caption">Fluffy orange cat portrait</div>
197
- </div>
198
- <div class="col-4">
199
- <div class="preset-image-container">
200
- <img src="/static/3.webp" class="preset-image" onclick="selectPreset(3)" alt="Preset 3">
201
- </div>
202
- <div class="image-caption">Underwater scene with fish</div>
203
- </div>
204
- </div>
205
- </div>
206
-
207
- <!-- Groupe 2 -->
208
- <div class="col-md-6">
209
- <h5>Select an AI-generated image</h5>
210
- <div class="row">
211
- <div class="col-4">
212
- <div class="preset-image-container">
213
- <img src="/static/1.webp" class="preset-image" onclick="selectPreset(4)" alt="Preset 4">
214
- </div>
215
- <div class="image-caption">Mountain sunrise landscape</div>
216
- </div>
217
- <div class="col-4">
218
- <div class="preset-image-container">
219
- <img src="/static/2.webp" class="preset-image" onclick="selectPreset(5)" alt="Preset 5">
220
- </div>
221
- <div class="image-caption">Retro-style robot</div>
222
- </div>
223
- <div class="col-4">
224
- <div class="preset-image-container">
225
- <img src="/static/3.webp" class="preset-image" onclick="selectPreset(6)" alt="Preset 6">
226
- </div>
227
- <div class="image-caption">Futuristic cityscape</div>
228
- </div>
229
- </div>
230
- </div>
231
-
232
- <!-- Ligne des deux zones d’upload -->
233
- <div class="row mt-5">
234
- <div class="col-md-6 mb-4">
235
- <div class="dropzone" id="dropzone1">
236
- <p>Or drag and drop an image here</p>
237
- <input type="file" id="fileInput1" class="form-control" accept="image/*" hidden>
238
- <button class="btn btn-outline-primary" onclick="document.getElementById('fileInput1').click()">
239
- Select Original file
240
- </button>
241
- </div>
242
- </div>
243
- <div class="col-md-6 mb-4">
244
- <div class="dropzone" id="dropzone2">
245
- <p>Or drag and drop an image here</p>
246
- <input type="file" id="fileInput2" class="form-control" accept="image/*" hidden>
247
- <button class="btn btn-outline-primary" onclick="document.getElementById('fileInput2').click()">
248
- Select AI generated file
249
- </button>
250
- </div>
251
- </div>
252
- </div>
253
 
254
- <!-- Parameters -->
255
- <div class="col-12 mb-4">
256
- <div class="card">
257
- <div class="card-header">
258
- <h5 class="mb-0">
259
- <button class="btn btn-link w-100 text-start text-decoration-none"
260
- type="button"
261
- data-bs-toggle="collapse"
262
- data-bs-target="#parametersCollapse"
263
- aria-expanded="false"
264
- aria-controls="parametersCollapse">
265
- <i class="bi bi-gear"></i> Advanced Parameters
266
- </button>
267
- </h5>
268
- </div>
269
- <div class="collapse" id="parametersCollapse">
270
- <div class="card-body">
271
- <form id="imageForm">
272
- <div id="parametersContainer">
273
- <!-- Will be populated by JavaScript -->
274
- </div>
275
- <button type="submit" class="btn btn-primary">Update</button>
276
- </form>
277
- </div>
278
- </div>
279
- </div>
280
- </div>
281
-
282
- <!-- Results -->
283
- <div class="col-12">
284
- <div class="row">
285
- <div id="previewContainer" class="col-md-3" style="display: none;">
286
- <div class="sticky-top pt-3">
287
- <img id="imagePreview" class="img-fluid mb-3 preview-image">
288
- </div>
289
- </div>
290
- <div id="results" class="col-md-9">
291
- <!-- Will be populated by JavaScript -->
292
- </div>
293
- </div>
294
- </div>
295
- </div>
296
-
297
- <!-- Helper Section -->
298
- <div class="row mt-5">
299
- <div class="col-12">
300
- <div class="card">
301
- <div class="card-header">
302
- <h5>Learn more</h5>
303
- </div>
304
- <div class="card-body">
305
-
306
- <h6>How it works</h6>
307
- <ol>
308
- <li>Select or upload an image that represents AI-generated content</li>
309
- <li>The system finds similar images that might have influenced the generation in a database of 10M images (Open Images)</li>
310
- <li>Based on your parameters, it calculates potential rewards for:
311
- <ul>
312
- <li>Original image authors</li>
313
- <li>Rights owners (e.g., stock photo companies, galleries)</li>
314
- </ul>
315
- </li>
316
- </ol>
317
-
318
- <h6>Warning</h6>
319
- <ol>
320
- <li>This demonstrator calculates similarities using the Open Images database alone. However, the image generators do not specify whether they have been trained with datasets from this database. As a result, calculations can be more or less biased depending on the generator used.</li>
321
- <li>Furthermore, the infrastructures used are designed for limited use. More generally, this demonstrator is proposed for teaching and academic purposes. Its designers decline all responsibility for the relevance of the results, as well as for the user experience, which are provided without guarantee.</li>
322
- </ol>
323
 
324
- <h6 class="mt-4">Key assumptions</h6>
325
- <ul>
326
- <li>Attribution scores indicate the level of influence of training images</li>
327
- <li>Rewards are distributed based on subscription revenue</li>
328
- <li>Calculations use simplified models and are for demonstration purposes</li>
329
- </ul>
 
 
 
 
330
 
331
- // <h6 class="mt-4">Use cases</h6>
332
- // <ul>
333
- // <li>Explore fair compensation models for AI training data</li>
334
- // <li>Simulate different revenue sharing scenarios</li>
335
- // <li>Understand the relationship between model training and attribution</li>
336
- // </ul>
337
 
338
- <h6 class="mt-4">Technical details</h6>
339
- <p class="small">
340
- Image similarity search powered by DINOv2 and FAISS.
341
- DINOv2 is used to extract image features of all the images in the database (10M images from Open Images).
342
- FAISS is used to perform efficient similarity search to find the most similar images to the input image, and output the attribution scores.
343
- <ul class="small text-muted">
344
- <li><a href="https://github.com/facebookresearch/dinov2" target="_blank">DINOv2</a> - Vision transformer for image feature extraction</li>
345
- <li><a href="https://github.com/facebookresearch/faiss" target="_blank">FAISS</a> - Efficient similarity search library, more specifically:
346
- <ul>
347
- <li>HNSW (Hierarchical Navigable Small World) for approximate nearest neighbor search</li>
348
- <li>PQ (Product Quantization) for memory-efficient vector compression</li>
349
- </ul>
350
- </li>
351
- </ul>
352
- </p>
353
 
354
- <div class="d-flex flex-wrap gap-3 mb-4">
355
- <a href="/static/ia_gen_droits_auteur.pdf" class="btn btn-outline-primary" download>
356
- <i class="bi bi-file-earmark-pdf"></i> <span id="downloadReportText">Download the Controv3rse report</span>
357
- </a>
358
- <a href="/static/Reg_Summary.pdf" class="btn btn-outline-primary" download>
359
- <i class="bi bi-file-earmark-pdf"></i> Regulatory Summary
360
- </a>
361
- <a href="/static/RO_Summary.pdf" class="btn btn-outline-primary" download>
362
- <i class="bi bi-file-earmark-pdf"></i> Rights Owners Summary
363
- </a>
364
- </div>
365
- </div>
366
  </div>
367
- </div>
368
- </div>
369
-
370
- <!-- Footer Section -->
371
- <div class="row mt-5">
372
- <div class="col-12">
373
- <footer>
374
- <p class="text-center text-muted">
375
- &copy; 2025 Reward Simulator. Apache 2.0.
376
- </p>
377
- </footer>
378
- </div>
379
- </div>
380
- </div>
381
-
382
- <script src="/static/js/parameters.js"></script>
383
- <script>
384
- // Add this new function at the beginning of your script section
385
- function scrollToResults() {
386
- const resultsDiv = document.getElementById('results');
387
- if (resultsDiv) {
388
- resultsDiv.scrollIntoView({ behavior: 'smooth', block: 'start' });
389
- }
390
- }
391
 
392
- // Add this at the beginning of your script section
393
- function initializeParameters() {
394
- const container = document.getElementById('parametersContainer');
395
- Object.entries(PARAMETERS).forEach(([key, param]) => {
396
- container.innerHTML += `
397
- <div class="mb-3">
398
- <label class="form-label" data-tooltip="${param.tooltip}">${param.label}</label>
399
- <input type="number" class="form-control" name="${key}" value="${param.defaultValue}">
400
- </div>
401
- `;
402
  });
403
- }
404
-
405
- // Call this when the document loads
406
- document.addEventListener('DOMContentLoaded', () => {
407
- initializeParameters();
408
- // Check if URL has a hash to prevent unwanted scrolling
409
- if (!window.location.hash) {
410
- window.scrollTo(0, 0);
411
- }
412
- });
413
 
414
- // Process image with default or custom parameters
415
- async function processImage(imageData, useDefaultParams = true) {
416
- const resultsDiv = document.getElementById('results');
417
- resultsDiv.innerHTML = `
418
- <div class="loading-container">
419
- <div class="spinner-border loading-spinner text-primary" role="status">
420
- <span class="visually-hidden">Loading...</span>
421
- </div>
422
- <div class="loading-text">Processing image...</div>
423
- </div>`;
424
-
425
- // Scroll to results immediately when processing starts
426
- setTimeout(scrollToResults, 100);
427
-
428
- try {
429
- const formData = new FormData();
430
-
431
- if (imageData instanceof Blob) {
432
- formData.append('image', imageData, 'image.jpg');
433
- } else if (typeof imageData === 'number') {
434
- // For preset images, use the preset endpoint
435
- const response = await fetch(`/select_preset/${imageData}`);
436
- if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
437
- const data = await response.json();
438
- updateResults(data);
439
- return;
440
- }
441
-
442
- if (!useDefaultParams) {
443
- // Add form parameters if not using defaults
444
- const form = document.getElementById('imageForm');
445
- const formElements = new FormData(form);
446
- for (let [key, value] of formElements.entries()) {
447
- formData.append(key, value);
448
- }
449
- }
450
 
451
- const response = await fetch('/process', {
452
- method: 'POST',
453
- body: formData
454
- });
455
-
456
- if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
457
- const data = await response.json();
458
- updateResults(data);
459
-
460
- } catch (error) {
461
- console.error('Error:', error);
462
  resultsDiv.innerHTML = `
463
- <div class="alert alert-danger" role="alert">
464
- <i class="bi bi-exclamation-triangle me-2"></i>
465
- Error: ${error.message}
466
  </div>`;
 
 
467
  }
 
 
 
 
 
 
468
  }
469
-
470
- // Update results display - remove the scroll behavior from here
471
- function updateResults(data) {
472
- if (!data || !data.results || !Array.isArray(data.results)) {
473
- throw new Error('Invalid response format from server');
474
- }
475
-
476
- const selectedImage = document.getElementById('imagePreview');
477
- document.getElementById('results').innerHTML = `
478
- ${data.results.map((result, i) => `
479
- <div class="result-card d-flex flex-row">
480
- <div class="image-container" style="flex-basis: 25%; max-width: 25%;">
481
- <a href="${result.other.flickr_url}" target="_blank">
482
- <img src="${result.image_url}" class="img-fluid result-image" alt="Similar image ${i+1}">
483
- </a>
484
- </div>
485
- <div class="metrics-container" style="flex-basis: 75%; max-width: 75%; padding-left: 20px;">
486
- <div class="metric-row">
487
- <span class="metric-label">Attribution:</span>
488
- <span class="metric-value">${result.rewards.attribution}</span>
489
- </div>
490
-
491
- <div class="metric-row">
492
- <span class="metric-label">Distance (test ligne 458):</span>
493
- <span class="metric-value">${result.rewards.raw_similarity}</span>
494
- </div>
495
-
496
- <div class="metric-row">
497
- <span class="metric-label">Author Monthly Reward:</span>
498
- <span class="metric-value">${result.rewards.author_month_reward}</span>
499
- </div>
500
- <div class="metric-row">
501
- <span class="metric-label">Right Owner Monthly Reward:</span>
502
- <span class="metric-value">${result.rewards.ro_month_reward}</span>
503
- </div>
504
- <div class="metric-row">
505
- <span class="metric-label">Author:</span>
506
- <span class="metric-value">${result.other.realname || result.other.username}</span>
507
- </div>
508
- </div>
509
- </div>
510
- `).join('')}
511
- `;
512
- }
513
-
514
- // Preset image selection handler
515
- function selectPreset(presetNumber) {
516
- document.getElementById('imagePreview').src = `/static/${presetNumber}.webp`;
517
- document.getElementById('previewContainer').style.display = 'block';
518
- processImage(presetNumber);
519
- }
520
-
521
- // File input handler
522
- document.getElementById('fileInput').addEventListener('change', (e) => {
523
- const file = e.target.files[0];
524
- if (file && file.type.startsWith('image/')) {
525
- const reader = new FileReader();
526
- reader.onload = (event) => {
527
- document.getElementById('imagePreview').src = event.target.result;
528
- document.getElementById('previewContainer').style.display = 'block';
529
- // Process image immediately with default parameters
530
- fetch(event.target.result)
531
- .then(res => res.blob())
532
- .then(blob => processImage(blob));
533
- };
534
- reader.readAsDataURL(file);
535
- }
536
- });
537
-
538
- // Form submit handler for custom parameters
539
- document.getElementById('imageForm').onsubmit = async (e) => {
540
- e.preventDefault();
541
- const imagePreview = document.getElementById('imagePreview');
542
- if (imagePreview && imagePreview.src) {
543
- const response = await fetch(imagePreview.src);
544
- const blob = await response.blob();
545
- processImage(blob, false); // Process with custom parameters
546
- }
547
- };
548
-
549
- const dropzone = document.getElementById('dropzone');
550
- dropzone.addEventListener('dragover', (e) => {
551
- e.preventDefault();
552
- dropzone.classList.add('dragover');
553
- });
554
- dropzone.addEventListener('dragleave', () => {
555
- dropzone.classList.remove('dragover');
556
- });
557
- dropzone.addEventListener('drop', (e) => {
558
- e.preventDefault();
559
- dropzone.classList.remove('dragover');
560
- const file = e.dataTransfer.files[0];
561
- if (file && file.type.startsWith('image/')) {
562
- const reader = new FileReader();
563
- reader.onload = (event) => {
564
- document.getElementById('imagePreview').src = event.target.result;
565
- document.getElementById('previewContainer').style.display = 'block';
566
- // Process image immediately with default parameters
567
- fetch(event.target.result)
568
- .then(res => res.blob())
569
- .then(blob => processImage(blob));
570
- };
571
- reader.readAsDataURL(file);
572
- }
573
- });
574
- </script>
575
- <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
576
- </body>
577
- </html>
 
1
+ <script>
2
+ let file1 = null;
3
+ let file2 = null;
4
+
5
+ function updatePreview(id, file) {
6
+ const reader = new FileReader();
7
+ reader.onload = (event) => {
8
+ const previewId = id === 1 ? 'dropzone1' : 'dropzone2';
9
+ document.getElementById(previewId).innerHTML = `
10
+ <img src="${event.target.result}" class="preview-image"/>
11
+ `;
12
+ };
13
+ reader.readAsDataURL(file);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
 
15
+ // Vérifie si les deux images sont sélectionnées pour afficher le bouton
16
+ checkReadyToCompare();
17
+ }
 
 
 
 
 
 
 
 
 
 
 
 
18
 
19
+ document.getElementById('fileInput1').addEventListener('change', (e) => {
20
+ file1 = e.target.files[0];
21
+ if (file1 && file1.type.startsWith('image/')) {
22
+ updatePreview(1, file1);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
23
  }
24
+ });
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
25
 
26
+ document.getElementById('fileInput2').addEventListener('change', (e) => {
27
+ file2 = e.target.files[0];
28
+ if (file2 && file2.type.startsWith('image/')) {
29
+ updatePreview(2, file2);
30
+ }
31
+ });
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32
 
33
+ function checkReadyToCompare() {
34
+ const compareContainer = document.getElementById('compareButtonContainer');
35
+ if (file1 && file2) {
36
+ compareContainer.innerHTML = `
37
+ <button class="btn btn-primary" onclick="processImages()">Compare Images</button>
38
+ `;
39
+ } else {
40
+ compareContainer.innerHTML = '';
41
+ }
42
+ }
43
 
44
+ async function processImages() {
45
+ if (!file1 || !file2) {
46
+ alert('Please select two images first.');
47
+ return;
48
+ }
 
49
 
50
+ const formData = new FormData();
51
+ formData.append('image1', file1);
52
+ formData.append('image2', file2);
 
 
 
 
 
 
 
 
 
 
 
 
53
 
54
+ const resultsDiv = document.getElementById('results');
55
+ resultsDiv.innerHTML = `
56
+ <div class="loading-container">
57
+ <div class="spinner-border loading-spinner text-primary" role="status">
58
+ <span class="visually-hidden">Loading...</span>
 
 
 
 
 
 
 
59
  </div>
60
+ <div class="loading-text">Processing images...</div>
61
+ </div>`;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
62
 
63
+ try {
64
+ const response = await fetch('/process', {
65
+ method: 'POST',
66
+ body: formData
 
 
 
 
 
 
67
  });
 
 
 
 
 
 
 
 
 
 
68
 
69
+ if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
70
+ const data = await response.json();
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
71
 
72
+ if (data.distance !== undefined) {
 
 
 
 
 
 
 
 
 
 
73
  resultsDiv.innerHTML = `
74
+ <div class="card p-4 text-center">
75
+ <h4>Euclidean Distance</h4>
76
+ <p class="display-6">${data.distance.toFixed(4)}</p>
77
  </div>`;
78
+ } else {
79
+ throw new Error('Invalid server response.');
80
  }
81
+ } catch (error) {
82
+ console.error('Error:', error);
83
+ resultsDiv.innerHTML = `
84
+ <div class="alert alert-danger" role="alert">
85
+ Error: ${error.message}
86
+ </div>`;
87
  }
88
+ }
89
+ </script>