Mercurial > hg > orthanc-stl
annotate Sources/viewer.js @ 4:5ee4448a8ff8
generated STL pass dciodvfy
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 18 Jul 2023 11:30:06 +0200 |
parents | 0f03a8a0bd6f |
children | 549ba7ada071 |
rev | line source |
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1 /** |
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2 * SPDX-FileCopyrightText: 2023 Sebastien Jodogne, UCLouvain, Belgium |
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3 * SPDX-License-Identifier: GPL-3.0-or-later |
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4 */ |
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5 |
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6 /** |
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7 * STL plugin for Orthanc |
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8 * Copyright (C) 2023 Sebastien Jodogne, UCLouvain, Belgium |
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9 * |
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10 * This program is free software: you can redistribute it and/or |
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11 * modify it under the terms of the GNU General Public License as |
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12 * published by the Free Software Foundation, either version 3 of the |
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13 * License, or (at your option) any later version. |
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14 * |
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15 * This program is distributed in the hope that it will be useful, but |
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16 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 * General Public License for more details. |
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19 * |
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20 * You should have received a copy of the GNU General Public License |
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21 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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22 **/ |
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23 |
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24 |
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25 import * as THREE from 'three'; |
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26 |
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27 import { OrbitControls } from './OrbitControls.js'; |
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28 import { STLLoader } from './STLLoader.js'; |
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29 |
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30 |
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31 // http://stackoverflow.com/a/21903119/881731 |
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32 function GetUrlParameter(sParam) |
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33 { |
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34 var sPageURL = decodeURIComponent(window.location.search.substring(1)); |
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35 var sURLVariables = sPageURL.split('&'); |
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36 |
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37 for (var i = 0; i < sURLVariables.length; i++) { |
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38 var sParameterName = sURLVariables[i].split('='); |
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39 |
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40 if (sParameterName[0] === sParam) { |
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41 return sParameterName[1] === undefined ? '' : sParameterName[1]; |
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42 } |
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43 } |
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44 |
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45 return ''; |
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46 }; |
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47 |
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48 var instanceId = GetUrlParameter('instance'); |
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49 |
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50 |
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51 const scene = new THREE.Scene(); |
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52 |
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53 const renderer = new THREE.WebGLRenderer(); |
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54 renderer.setSize(window.innerWidth, window.innerHeight); |
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55 document.body.appendChild(renderer.domElement); |
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56 |
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57 const material = new THREE.MeshPhongMaterial(); |
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58 |
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59 const light = new THREE.AmbientLight(0x555555); |
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60 scene.add(light); |
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61 |
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62 const light2 = new THREE.PointLight(0xaaaaaa, 2); |
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63 light2.position.set(10, 10, 10); |
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64 scene.add(light2); |
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65 |
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66 const loader = new STLLoader() |
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67 loader.load( |
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68 '../../instances/' + instanceId + '/content/0042-0011', |
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69 function (geometry) { |
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70 const frustumSize = 200; |
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71 |
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72 geometry.computeBoundingBox(); |
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73 geometry.translate(-(geometry.boundingBox.min.x + geometry.boundingBox.max.x) / 2.0, |
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74 -(geometry.boundingBox.min.y + geometry.boundingBox.max.y) / 2.0, |
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75 -(geometry.boundingBox.min.z + geometry.boundingBox.max.z) / 2.0); |
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76 |
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77 var maxSize = Math.max(geometry.boundingBox.max.x - geometry.boundingBox.min.x, |
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78 geometry.boundingBox.max.y - geometry.boundingBox.min.y, |
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79 geometry.boundingBox.max.z - geometry.boundingBox.min.z); |
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80 |
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81 geometry.scale((frustumSize / 2.0) / maxSize, |
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82 (frustumSize / 2.0) / maxSize, |
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83 (frustumSize / 2.0) / maxSize); |
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84 |
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85 const mesh = new THREE.Mesh(geometry, material); |
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86 scene.add(mesh); |
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87 |
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88 const aspect = window.innerWidth / window.innerHeight; |
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89 const camera = new THREE.OrthographicCamera( |
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90 frustumSize * aspect / - 2, frustumSize * aspect / 2, |
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91 frustumSize / 2, frustumSize / - 2, 1, frustumSize); |
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92 |
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93 camera.position.z = 100; |
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94 |
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95 const controls = new OrbitControls(camera, renderer.domElement); |
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96 |
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97 //controls.update() must be called after any manual changes to the camera's transform |
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98 controls.update(); |
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99 |
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100 function animate() { |
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101 requestAnimationFrame(animate); |
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102 |
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103 // required if controls.enableDamping or controls.autoRotate are set to true |
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104 controls.update(); |
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105 light2.position.copy(camera.position); |
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106 |
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107 renderer.render(scene, camera); |
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108 } |
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109 |
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110 animate(); |
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111 |
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112 function onWindowResize() { |
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113 const aspect = window.innerWidth / window.innerHeight; |
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114 camera.left = - frustumSize * aspect / 2; |
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115 camera.right = frustumSize * aspect / 2; |
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116 camera.top = frustumSize / 2; |
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117 camera.bottom = - frustumSize / 2; |
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118 camera.updateProjectionMatrix(); |
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119 renderer.setSize(window.innerWidth, window.innerHeight); |
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120 } |
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121 |
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122 window.addEventListener('resize', onWindowResize ); |
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parents:
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123 }, |
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124 function (xhr) { |
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125 }, |
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parents:
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126 function (error) { |
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127 console.log(error); |
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128 } |
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129 ); |