Andreas Hocevar
310 lines
11 KiB
HTML
310 lines
11 KiB
HTML
<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<meta http-equiv="X-UA-Compatible" content="chrome=1">
|
|
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
|
|
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
|
|
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" type="text/css">
|
|
<link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
|
|
<link rel="stylesheet" href="../css/ol.css" type="text/css">
|
|
<link rel="stylesheet" href="./resources/layout.css" type="text/css">
|
|
|
|
<link rel="stylesheet" href="kml-timezones.css">
|
|
<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
|
|
<title>Timezones in KML</title>
|
|
</head>
|
|
<body>
|
|
|
|
<header class="navbar" role="navigation">
|
|
<div class="container" id="navbar-inner-container">
|
|
<a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png"> OpenLayers 3 Examples</a>
|
|
</div>
|
|
</header>
|
|
|
|
<div class="container-fluid">
|
|
|
|
<div class="row-fluid">
|
|
<div class="span12">
|
|
<div id="map" class="map"><div id="info"></div></div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
<div class="span12">
|
|
<h4 id="title">Timezones in KML</h4>
|
|
<p id="shortdesc">Demonstrates rendering timezones from KML.</p>
|
|
<div id="docs"><p>This example parses a KML file and renders the features as a vector layer. The layer is given a <code>ol.style.Style</code> that fills timezones yellow with an opacity calculated based on the current offset to local noon.</p>
|
|
</div>
|
|
<div id="tags">KML, vector, style</div>
|
|
<div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.format.KML.html" title="API documentation for ol.format.KML">ol.format.KML</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.Stamen.html" title="API documentation for ol.source.Stamen">ol.source.Stamen</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li></ul></div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="row-fluid">
|
|
<div id="source-controls">
|
|
<a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
|
|
<a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
|
|
</div>
|
|
<form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
|
|
<textarea class="hidden" name="js">/*
|
|
* Compute the style of the feature. Here we want the opacity of polygons to
|
|
* be based on the offset from local noon. For example, a timezone where it is
|
|
* currently noon would have an opacity of 0.75. And a timezone where it is
|
|
* currently midnight would have an opacity of 0. This doesn't account for
|
|
* daylight savings, so don't use it to plan your vacation.
|
|
*/
|
|
var styleFunction = function(feature, resolution) {
|
|
var offset = 0;
|
|
var name = feature.get('name'); // e.g. GMT -08:30
|
|
var match = name.match(/([\-+]\d{2}):(\d{2})$/);
|
|
if (match) {
|
|
var hours = parseInt(match[1], 10);
|
|
var minutes = parseInt(match[2], 10);
|
|
offset = 60 * hours + minutes;
|
|
}
|
|
var date = new Date();
|
|
var local = new Date(date.getTime() +
|
|
(date.getTimezoneOffset() + offset) * 60000);
|
|
// offset from local noon (in hours)
|
|
var delta = Math.abs(12 - local.getHours() + (local.getMinutes() / 60));
|
|
if (delta > 12) {
|
|
delta = 24 - delta;
|
|
}
|
|
var opacity = 0.75 * (1 - delta / 12);
|
|
return [new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: [0xff, 0xff, 0x33, opacity]
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: '#ffffff'
|
|
})
|
|
})];
|
|
};
|
|
|
|
var vector = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/kml/timezones.kml',
|
|
format: new ol.format.KML({
|
|
extractStyles: false
|
|
})
|
|
}),
|
|
style: styleFunction
|
|
});
|
|
|
|
var raster = new ol.layer.Tile({
|
|
source: new ol.source.Stamen({
|
|
layer: 'toner'
|
|
})
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [raster, vector],
|
|
target: 'map',
|
|
view: new ol.View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
var info = $('#info');
|
|
info.tooltip({
|
|
animation: false,
|
|
trigger: 'manual'
|
|
});
|
|
|
|
var displayFeatureInfo = function(pixel) {
|
|
info.css({
|
|
left: pixel[0] + 'px',
|
|
top: (pixel[1] - 15) + 'px'
|
|
});
|
|
var feature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {
|
|
return feature;
|
|
});
|
|
if (feature) {
|
|
info.tooltip('hide')
|
|
.attr('data-original-title', feature.get('name'))
|
|
.tooltip('fixTitle')
|
|
.tooltip('show');
|
|
} else {
|
|
info.tooltip('hide');
|
|
}
|
|
};
|
|
|
|
map.on('pointermove', function(evt) {
|
|
if (evt.dragging) {
|
|
info.tooltip('hide');
|
|
return;
|
|
}
|
|
displayFeatureInfo(map.getEventPixel(evt.originalEvent));
|
|
});
|
|
|
|
map.on('click', function(evt) {
|
|
displayFeatureInfo(evt.pixel);
|
|
});
|
|
</textarea>
|
|
<textarea class="hidden" name="css">#map {
|
|
position: relative;
|
|
}
|
|
#info {
|
|
position: absolute;
|
|
height: 1px;
|
|
width: 1px;
|
|
z-index: 100;
|
|
}
|
|
</textarea>
|
|
<textarea class="hidden" name="html"><div class="row-fluid">
|
|
<div class="span12">
|
|
<div id="map" class="map"><div id="info"></div></div>
|
|
</div>
|
|
</div>
|
|
</textarea>
|
|
<input type="hidden" name="wrap" value="l">
|
|
<input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.9.0/css/ol.css,http://openlayers.org/en/v3.9.0/build/ol.js">
|
|
</form>
|
|
<pre><code id="example-source" class="language-markup"><!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>Timezones in KML</title>
|
|
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
|
|
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
|
|
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
|
|
<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
|
|
<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
|
|
|
|
<style>
|
|
#map {
|
|
position: relative;
|
|
}
|
|
#info {
|
|
position: absolute;
|
|
height: 1px;
|
|
width: 1px;
|
|
z-index: 100;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div class="container-fluid">
|
|
|
|
<div class="row-fluid">
|
|
<div class="span12">
|
|
<div id="map" class="map"><div id="info"></div></div>
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
<script>
|
|
/*
|
|
* Compute the style of the feature. Here we want the opacity of polygons to
|
|
* be based on the offset from local noon. For example, a timezone where it is
|
|
* currently noon would have an opacity of 0.75. And a timezone where it is
|
|
* currently midnight would have an opacity of 0. This doesn't account for
|
|
* daylight savings, so don't use it to plan your vacation.
|
|
*/
|
|
var styleFunction = function(feature, resolution) {
|
|
var offset = 0;
|
|
var name = feature.get('name'); // e.g. GMT -08:30
|
|
var match = name.match(/([\-+]\d{2}):(\d{2})$/);
|
|
if (match) {
|
|
var hours = parseInt(match[1], 10);
|
|
var minutes = parseInt(match[2], 10);
|
|
offset = 60 * hours + minutes;
|
|
}
|
|
var date = new Date();
|
|
var local = new Date(date.getTime() +
|
|
(date.getTimezoneOffset() + offset) * 60000);
|
|
// offset from local noon (in hours)
|
|
var delta = Math.abs(12 - local.getHours() + (local.getMinutes() / 60));
|
|
if (delta > 12) {
|
|
delta = 24 - delta;
|
|
}
|
|
var opacity = 0.75 * (1 - delta / 12);
|
|
return [new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: [0xff, 0xff, 0x33, opacity]
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: '#ffffff'
|
|
})
|
|
})];
|
|
};
|
|
|
|
var vector = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
url: 'data/kml/timezones.kml',
|
|
format: new ol.format.KML({
|
|
extractStyles: false
|
|
})
|
|
}),
|
|
style: styleFunction
|
|
});
|
|
|
|
var raster = new ol.layer.Tile({
|
|
source: new ol.source.Stamen({
|
|
layer: 'toner'
|
|
})
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [raster, vector],
|
|
target: 'map',
|
|
view: new ol.View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
var info = $('#info');
|
|
info.tooltip({
|
|
animation: false,
|
|
trigger: 'manual'
|
|
});
|
|
|
|
var displayFeatureInfo = function(pixel) {
|
|
info.css({
|
|
left: pixel[0] + 'px',
|
|
top: (pixel[1] - 15) + 'px'
|
|
});
|
|
var feature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {
|
|
return feature;
|
|
});
|
|
if (feature) {
|
|
info.tooltip('hide')
|
|
.attr('data-original-title', feature.get('name'))
|
|
.tooltip('fixTitle')
|
|
.tooltip('show');
|
|
} else {
|
|
info.tooltip('hide');
|
|
}
|
|
};
|
|
|
|
map.on('pointermove', function(evt) {
|
|
if (evt.dragging) {
|
|
info.tooltip('hide');
|
|
return;
|
|
}
|
|
displayFeatureInfo(map.getEventPixel(evt.originalEvent));
|
|
});
|
|
|
|
map.on('click', function(evt) {
|
|
displayFeatureInfo(evt.pixel);
|
|
});
|
|
|
|
</script>
|
|
</body>
|
|
</html></code></pre>
|
|
</div>
|
|
</div>
|
|
|
|
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
|
|
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
|
|
<script src="./resources/common.js"></script>
|
|
<script src="./resources/prism/prism.min.js"></script>
|
|
<script src="loader.js?id=kml-timezones"></script>
|
|
|
|
</body>
|
|
</html>
|