Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/viewer.js @ 236:b0ee417b667a
migrating new definitions in namespace Orthanc to namespace OrthancWSI
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 23 Feb 2021 10:27:58 +0100 |
parents | 20bc074ec19a |
children | 49f647ed1b4c |
rev | line source |
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0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 // For IE compatibility | |
23 if (!window.console) window.console = {}; | |
24 if (!window.console.log) window.console.log = function () { }; | |
25 | |
26 | |
27 // http://stackoverflow.com/a/21903119/881731 | |
28 function GetUrlParameter(sParam) | |
29 { | |
30 var sPageURL = decodeURIComponent(window.location.search.substring(1)); | |
31 var sURLVariables = sPageURL.split('&'); | |
32 var sParameterName; | |
33 var i; | |
34 | |
35 for (i = 0; i < sURLVariables.length; i++) | |
36 { | |
37 sParameterName = sURLVariables[i].split('='); | |
38 | |
39 if (sParameterName[0] === sParam) | |
40 { | |
41 return sParameterName[1] === undefined ? '' : sParameterName[1]; | |
42 } | |
43 } | |
44 | |
45 return ''; | |
46 }; | |
47 | |
48 | |
49 | |
50 $(document).ready(function() { | |
51 var seriesId = GetUrlParameter('series'); | |
52 if (seriesId.length == 0) | |
53 { | |
54 alert('Error - No series ID specified!'); | |
55 } | |
56 else | |
57 { | |
58 $.ajax({ | |
59 url : '../pyramids/' + seriesId, | |
60 error: function() { | |
61 alert('Error - Cannot get the pyramid structure of series: ' + seriesId); | |
62 }, | |
63 success : function(series) { | |
64 var width = series['TotalWidth']; | |
65 var height = series['TotalHeight']; | |
66 var countLevels = series['Resolutions'].length; | |
67 | |
68 // Maps always need a projection, but Zoomify layers are not geo-referenced, and | |
69 // are only measured in pixels. So, we create a fake projection that the map | |
70 // can use to properly display the layer. | |
71 var proj = new ol.proj.Projection({ | |
72 code: 'pixel', | |
73 units: 'pixels', | |
74 extent: [0, 0, width, height] | |
75 }); | |
76 | |
77 var extent = [0, -height, width, 0]; | |
78 | |
79 // Disable the rotation of the map, and inertia while panning | |
80 // http://stackoverflow.com/a/25682186 | |
81 var interactions = ol.interaction.defaults({ | |
82 altShiftDragRotate : false, | |
83 pinchRotate : false, | |
84 dragPan: false | |
85 }).extend([ | |
86 new ol.interaction.DragPan({kinetic: false}) | |
87 ]); | |
88 | |
89 var layer = new ol.layer.Tile({ | |
90 extent: extent, | |
91 source: new ol.source.TileImage({ | |
92 projection: proj, | |
93 tileUrlFunction: function(tileCoord, pixelRatio, projection) { | |
94 return ('../tiles/' + seriesId + '/' + | |
95 (countLevels - 1 - tileCoord[0]) + '/' + tileCoord[1] + '/' + (-tileCoord[2] - 1)); | |
96 }, | |
97 tileGrid: new ol.tilegrid.TileGrid({ | |
98 extent: extent, | |
99 resolutions: series['Resolutions'].reverse(), | |
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changeset
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100 tileSizes: series['TilesSizes'].reverse() |
0 | 101 }) |
102 }), | |
103 wrapX: false, | |
104 projection: proj | |
105 }); | |
106 | |
107 | |
108 var map = new ol.Map({ | |
109 target: 'map', | |
110 layers: [ layer ], | |
111 view: new ol.View({ | |
112 projection: proj, | |
113 center: [width / 2, -height / 2], | |
114 zoom: 0, | |
115 minResolution: 1 // Do not interpelate over pixels | |
116 }), | |
117 interactions: interactions | |
118 }); | |
119 | |
120 map.getView().fit(extent, map.getSize()); | |
121 } | |
122 }); | |
123 } | |
124 }); |