mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-22 13:16:10 +03:00
109 lines
3.8 KiB
HTML
109 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>OpenSeadragon Coordinates Demo</title>
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<script type="text/javascript" src='../../build/openseadragon/openseadragon.js'></script>
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<script type="text/javascript" src='../lib/jquery-1.9.1.min.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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</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 OpenSeadragon coordinates system.
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</div>
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<div id="contentDiv" class="openseadragon1"></div>
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<div>
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<table border="1">
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<tr>
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<th></th>
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<th>Window (pixel)</th>
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<th>Container (pixel)</th>
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<th>Image 1 - top left (pixel)</th>
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<th>Image 2 - bottom right (pixel)</th>
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<th>Viewport (point)</th>
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</tr>
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<tr>
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<th>Cursor position</th>
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<td id="windowPosition"></td>
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<td id="containerPosition"></td>
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<td id="image1Position"></td>
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<td id="image2Position"></td>
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<td id="viewportPosition"></td>
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</tr>
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<tr>
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<th>Zoom</th>
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<td>-</td>
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<td>-</td>
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<td id="image1Zoom"></td>
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<td id="image2Zoom"></td>
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<td id="viewportZoom"></td>
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</tr>
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</table>
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</div>
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<script type="text/javascript">
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var viewer = OpenSeadragon({
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// debugMode: true,
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id: "contentDiv",
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prefixUrl: "../../build/openseadragon/images/",
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tileSources: [{
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tileSource: "../data/testpattern.dzi"
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},
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{
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tileSource: "../data/testpattern.dzi",
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x: 1,
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y: 1,
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width: 0.5
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}
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],
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showNavigator: true
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});
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function pointToString(point) {
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return point.x.toPrecision(4) + "," + point.y.toPrecision(4);
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}
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var onMouseTrackerMove = function (event) {
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var viewerX = event.position.x;
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var viewerY = event.position.y;
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var windowPoint = new OpenSeadragon.Point(viewerX, viewerY);
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$("#windowPosition").text(pointToString(windowPoint));
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var containerPoint = windowPoint.minus(
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OpenSeadragon.getElementPosition(viewer.element));
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$("#containerPosition").text(pointToString(containerPoint));
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var image1 = viewer.world.getItemAt(0);
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var imagePoint = image1.windowToImageCoordinates(windowPoint);
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$("#image1Position").text(pointToString(imagePoint));
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var image2 = viewer.world.getItemAt(1);
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var imagePoint = image2.windowToImageCoordinates(windowPoint);
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$("#image2Position").text(pointToString(imagePoint));
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var viewportPoint = viewer.viewport.windowToViewportCoordinates(windowPoint);
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$("#viewportPosition").text(pointToString(viewportPoint));
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};
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mouseTracker = new OpenSeadragon.MouseTracker({
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element: document,
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moveHandler: onMouseTrackerMove
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}).setTracking(true);
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function onAnimation() {
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var viewportZoom = viewer.viewport.getZoom(true);
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$("#viewportZoom").text(viewportZoom.toFixed(3));
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var image1 = viewer.world.getItemAt(0);
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var image1Zoom = image1.viewportToImageZoom(viewportZoom);
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$("#image1Zoom").text(image1Zoom.toFixed(3));
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var image2 = viewer.world.getItemAt(1);
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var image2Zoom = image2.viewportToImageZoom(viewportZoom);
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$("#image2Zoom").text(image2Zoom.toFixed(3));
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}
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viewer.addHandler("animation", onAnimation);
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</script>
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</body>
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</html>
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