2014-06-21 03:18:04 +04:00
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<!DOCTYPE html>
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<html>
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<head>
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2014-06-24 03:10:01 +04:00
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<title>OpenSeadragon fitBoundsWithConstraints() Demo</title>
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2014-06-21 03:18:04 +04:00
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<script type="text/javascript" src='../../build/openseadragon/openseadragon.js'></script>
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<style type="text/css">
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.openseadragon1 {
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width: 800px;
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height: 600px;
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}
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#highlights li {
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cursor: pointer;
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}
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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</style>
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</head>
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<body>
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<div>
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Simple demo page to show 'viewport.fitBounds().applyConstraints()' issue.
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</div>
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<div id="contentDiv" class="openseadragon1"></div>
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<div id="highlights"></div>
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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<select onchange="changeMethod(this.value);">
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<option value=0>viewport.fitBoundsWithConstraints(bounds);</option>
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<option value=1>viewport.fitBounds(bounds);</option>
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<option value=2>viewport.fitBounds(bounds).applyConstraints();</option>
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</select>
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<input type="button" value="Go home" onclick="goHome()"/>
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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<script type="text/javascript">
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var _viewer;
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var _fittingMethod = 0;
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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var _highlights = [
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{"queryPoint":[0.13789887359998443,0.43710575899579285], "radius":0.004479581945070337,"text":"Pipe"},
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{"queryPoint":[0.5923298766583593,0.6461653354541856], "radius":0.013175241014912752,"text":"Fuel here"},
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{"queryPoint":[0.43920338711232304,0.7483181389302148], "radius":0.09222668710438928, "text":"Wheel"},
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{"queryPoint":[0.07341677959486298,0.9028719921872319], "radius":0.08996845561083797, "text":"Nothing special"}
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2014-08-13 03:44:53 +04:00
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];
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2014-06-21 03:18:04 +04:00
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var generateUniqueHash = (function() {
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var counter = 0;
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return function() {
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return "openseadragon_" + (counter++);
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};
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})();
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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var _viewer = OpenSeadragon({
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element: document.getElementById("contentDiv"),
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showNavigationControl: false,
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prefixUrl: "../../build/openseadragon/images/",
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hash: generateUniqueHash(), //this is only needed if you want to instantiate more than one viewer at a time.
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tileSources: {
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Image: {
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xmlns: "http://schemas.microsoft.com/deepzoom/2008",
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Url: 'http://cdn.photosynth.net/ps2/19d5cf2b-77ed-439f-ac21-d3046320384c/packet/undistorted/img0043/',
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2014-08-13 03:44:53 +04:00
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Format: "jpg",
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Overlap: 1,
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2014-06-21 03:18:04 +04:00
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TileSize: 510,
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Size: {
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Width: 4592,
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Height: 3448
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}
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}
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}
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});
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_viewer.addHandler("open", function() {
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var str = "<ul>";
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for (var i=0; i<_highlights.length; ++i) {
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var highlight = _highlights[i];
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str += "<li onclick='gotoHighlight("+i+")'>"+highlight.text+"</li>";
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}
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str += "</ul>";
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document.getElementById("highlights").innerHTML = str;
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});
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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function gotoHighlight(index) {
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var highlight = _highlights[index];
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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var viewport = _viewer.viewport;
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var contentSize = viewport.contentSize;
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var scaling = 1.0 / viewport.viewportToImageZoom(viewport.getZoom());
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var radius = highlight.radius*Math.min(contentSize.x, contentSize.y);/*annotation.accurateRadius*scaling;*/
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2014-08-13 03:44:53 +04:00
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var center = new OpenSeadragon.Point(contentSize.x*highlight.queryPoint[0], contentSize.y*highlight.queryPoint[1]);
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2014-06-21 03:18:04 +04:00
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var bounds = viewport.imageToViewportRectangle(new OpenSeadragon.Rect(center.x-radius, center.y-radius, radius*2, radius*2));
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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if (_fittingMethod === 0) {
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viewport.fitBoundsWithConstraints(bounds, false);
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}
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else if (_fittingMethod === 1) {
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viewport.fitBounds(bounds, false);
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}
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else if (_fittingMethod === 2) {
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viewport.fitBounds(bounds, false).applyConstraints();
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2014-08-13 03:44:53 +04:00
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}
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2014-06-21 03:18:04 +04:00
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}
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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function changeMethod(value) {
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_fittingMethod = parseInt(value, 10);
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}
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2014-08-13 03:44:53 +04:00
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2014-06-21 03:18:04 +04:00
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function goHome() {
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2014-08-20 02:27:04 +04:00
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_viewer.viewport.goHome();
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2014-06-21 03:18:04 +04:00
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}
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</script>
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</body>
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</html>
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