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Merge pull request #1 from andreped/demo
Browse filesImplemented simple demo for visualizing WSI in browser using OpenSeadragon
- index.html +109 -0
index.html
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<html>
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<head>
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<title>Whole Slide Image Visualization</title>
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</head>
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<body>
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<h1>Simple demo for visualization of WSIs in the browser! </h1>
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<div style="padding: 0 1.5em; height: 90%;">
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<div class="info" style="float: left; width: 10%;">
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<div class="position"></div>
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<div class="zoom" style="margin-top: 3em;"></div>
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</div>
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<div id="openseadragon1" style="float: right; width: 90%; height: 100%; background: black;"></div>
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</div>
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<script src="/Users/andreped/Downloads/openseadragon-bin-5.0.0/openseadragon.min.js"></script>
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<script type="text/javascript">
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var counter = 3;
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var viewer = OpenSeadragon({
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id: "openseadragon1",
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prefixUrl: "/Users/andreped/Downloads/openseadragon-bin-5.0.0/images/",
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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: "/Users/andreped/workspace/PyWSIViewer/A05_files/",
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Format: "jpeg",
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Overlap: "0",
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TileSize: "256",
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Size: {
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Height: 42625,
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Width: 51553
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}
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},
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},
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sequenceMode: false,
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autoHideControls: true,
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animationTime: 1.0,
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blendTime: 0.5,
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constrainDuringPan: false,
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maxZoomPixelRatio: 1.15,
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visibilityRatio: 1,
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zoomPerScroll: 2,
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//zoomPerClick: 1,
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defaultZoomLevel: 0,
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showReferenceStrip: false,
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showNavigator: true,
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showFullPageControl: false,
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gestureSettingsMouse: {
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clickToZoom: false
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},
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});
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var positionEl = document.querySelectorAll('.info .position')[0];
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var zoomEl = document.querySelectorAll('.info .zoom')[0];
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var updateZoom = function() {
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var zoom = viewer.viewport.getZoom(true);
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var imageZoom = viewer.viewport.viewportToImageZoom(zoom);
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zoomEl.innerHTML = 'Zoom:<br>' + (Math.round(zoom * 100) / 100) +
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'<br><br>Image Zoom:<br>' + (Math.round(imageZoom * 100) / 100);
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}
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viewer.addHandler('open', function() {
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var tracker = new OpenSeadragon.MouseTracker({
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element: viewer.container,
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moveHandler: function(event) {
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var webPoint = event.position;
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var viewportPoint = viewer.viewport.pointFromPixel(webPoint);
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var imagePoint = viewer.viewport.viewportToImageCoordinates(viewportPoint);
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var zoom = viewer.viewport.getZoom(true);
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var imageZoom = viewer.viewport.viewportToImageZoom(zoom);
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positionEl.innerHTML = 'Web:<br>' + webPoint.toString() +
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'<br><br>Viewport:<br>' + viewportPoint.toString() +
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'<br><br>Image:<br>' + imagePoint.toString();
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updateZoom();
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}
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});
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tracker.setTracking(true);
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viewer.addHandler('animation', updateZoom);
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});
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viewer.addHandler('canvas-double-click', function(event) {
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var webPoint = event.position;
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var viewportPoint = viewer.viewport.pointFromPixel(webPoint);
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var imagePoint = viewer.viewport.viewportToImageCoordinates(viewportPoint);
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var zoom = viewer.viewport.getZoom(true);
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var val = 42625/51553;
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var elt = document.createElement("div");
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elt.id = "overlay-rotation-exact2";
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elt.className = "highlight";
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var width = 0.02;
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var height = 0.02;
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width /= zoom;
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height /= zoom;
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var someRect = new OpenSeadragon.Rect(viewportPoint.x - width/2, viewportPoint.y - height/2, width, height);
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viewer.addOverlay({
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element: elt,
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location: someRect
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});
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});
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</script>
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</body>
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</html>
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