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xz.html
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<!DOCTYPE html>
<html ng-app>
<head>
<meta charset='utf-8' />
<meta http-equiv="X-UA-Compatible" content="chrome=1" />
<meta name="description" content="DVID Quadtree Viewer" />
<script src="/quadtree/js/openseadragon/openseadragon.js"></script>
<script src="/quadtree/js/openseadragon/openseadragon-scalebar.js"></script>
<script src="/js/jquery-2.1.0.min.js"></script>
<script src="/js/angular-1.2.12.min.js"></script>
<script>
var volumeWidth = {
'xy': 3584,
'xz': 3584,
'yz': 3072
};
var volumeHeight = {
'xy': 3072,
'xz': 6656,
'yz': 6656
};
</script>
<style media="screen" type="text/css">
.toolbar {
width: 800px;
height: 33px;
border: none;
color: #333;
padding: 4px;
background-color: transparent;
}
</style>
<title>OpenSeadragon Tile Viewer</title>
</head>
<body>
<div id="toolbarDiv" class="toolbar" ng-controller="ToolbarController">
<span style="float:left;margin:10px 0 0 0">
<!--
<
<a id="previous" href="#previous-page">Previous</a>
| <a id="next" href="#next-page">Next</a>
>
<input type="text" ng-model="viewer.plane" style="width:60px" />
<input type="text" ng-model="viewer.slice" style="width:60px" />
-->
</span>
</div>
<div id="viewer" class="openseadragon" style="background-color:#000000; width:1000px; height:800px"></div>
<script>
function getQueryStrings() {
var vars = [], hash;
var q = document.URL.split('?')[1];
if (q != undefined) {
q = q.split('&');
for (var i = 0; i < q.length; i++) {
hash = q[i].split('=');
vars.push(hash[1]);
vars[hash[0]] = hash[1];
}
}
return vars;
}
function generateXZFunc(y) {
var vars = getQueryStrings();
var uuid = vars['uuid'];
var name = vars['name'];
return function(level, planeX, planeY) {
return "http://localhost:8000/api/node/" + uuid + "/" + name + "/tile/xz/" + (3-level) + "/" + planeX + "_" + y + "_" + (2+planeY);
}
}
function generateXYFunc(z) {
console.log("generateXYFunc", z);
var vars = getQueryStrings();
var uuid = vars['uuid'];
var name = vars['name'];
return function(level, x, y) {
return "http://localhost:8000/api/node/" + uuid + "/" + name + "/tile/xy/" + (3-level) + "/" + x + "_" + y + "_" + z;
}
}
var viewer = {
plane: 'xz',
slice: 2000,
tileSource: {
height: volumeHeight['xz'],
width: volumeWidth['xz'],
tileSize: 512,
minLevel: 0,
maxLevel: 3,
// getTileAtPoint: function(level, point) { Add offset to compute tiles }
getTileUrl: generateXZFunc(2000)
}
}
function ToolbarController($scope) {
$scope.viewer = viewer;
}
$('body').keypress(function(e) {
var code = e.keyCode || e.which;
console.log("Got keypress: ", code);
switch (code) {
case 38: // up
viewer.z++;
console.log("Setting z to ", viewer.z);
viewer.tileSource.getTileUrl = generateXYFunc(viewer.z);
viewer.xy.open(viewer.tileSource);
break;
case 40: // down
viewer.z--;
console.log("Setting z to ", viewer.z);
viewer.tileSource.getTileUrl = generateXYFunc(viewer.z);
viewer.xy.open(viewer.tileSource);
break;
}
$('#slice').replaceWith('<span id="slice">' + slice + ' slice @ Z = ' + viewer.z + '</span>');
});
viewer.xy = OpenSeadragon({
id: "viewer",
prefixUrl: "/quadtree/js/openseadragon/images/",
navigatorSizeRatio: 0.25,
wrapHorizontal: false,
tileSources: viewer.tileSource,
showNavigator: true
});
viewer.xy.scalebar({
pixelsPerMeter: 1000000000/viewer.nmPerPixel,
fontColor: "yellow",
color: "yellow"
});
</script>
</body>
</html>