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Add IGC example

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Tom Payne
2013-12-16 20:26:58 +01:00
parent 856a16b43e
commit d80c327515
7 changed files with 49973 additions and 0 deletions
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<!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="../css/ol.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="../resources/layout.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>IGC example</title>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>
</div>
</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
<div class="row-fluid">
<div class="span4">
<h4 id="title">IGC example</h4>
<p id="shortdesc">Example of tracks recorded from multiple paraglider flights on the same day, read from an IGC file. The five tracks contain a total of 49,707 unique coordinates. Zoom in to see more detail. The background layer is from <a href="http://www.opencyclemap.org/">OpenCycleMap</a>.</p>
<div id="docs">
<p>See the <a href="igc.js" target="_blank">igc.js source</a> to see how this is done.</p>
</div>
<div id="tags">complex-geometry, closest-feature, igc, opencyclemap</div>
</div>
<div class="span4 offset4">
<div id="info" class="alert alert-success">
&nbsp;
</div>
</div>
</div>
</div>
<script src="jquery.min.js" type="text/javascript"></script>
<script src="loader.js?id=igc" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
</body>
</html>

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goog.require('ol.Attribution');
goog.require('ol.Map');
goog.require('ol.RendererHint');
goog.require('ol.View2D');
goog.require('ol.format.IGC');
goog.require('ol.geom.LineString');
goog.require('ol.geom.Point');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.proj');
goog.require('ol.shape');
goog.require('ol.source.OSM');
goog.require('ol.source.Vector');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
var tracklogs = [
'data/igc/Clement-Latour.igc',
'data/igc/Damien-de-Baenst.igc',
'data/igc/Sylvain-Dhonneur.igc',
'data/igc/Tom-Payne.igc',
'data/igc/Ulrich-Prinz.igc'
];
var colors = {
'Clement Latour': 'rgba(0, 0, 255, 0.7)',
'Damien de Baesnt': 'rgba(0, 215, 255, 0.7)',
'Sylvain Dhonneur': 'rgba(0, 165, 255, 0.7)',
'Tom Payne': 'rgba(0, 255, 255, 0.7)',
'Ulrich Prinz': 'rgba(0, 215, 255, 0.7)'
};
var styleCache = {};
var styleFunction = function(feature, resolution) {
var color = colors[feature.get('PLT')];
var styleArray = styleCache[color];
if (!styleArray) {
styleArray = [new ol.style.Style({
stroke: new ol.style.Stroke({
color: color,
lineCap: 'round',
lineJoin: 'round',
width: 3
})
})];
styleCache[color] = styleArray;
}
return styleArray;
};
var vectorSource = new ol.source.Vector();
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM({
attributions: [
new ol.Attribution({
html: 'All maps &copy; ' +
'<a href="http://www.opencyclemap.org/">OpenCycleMap</a>'
}),
ol.source.OSM.DATA_ATTRIBUTION
],
url: 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
})
}),
new ol.layer.Vector({
source: vectorSource,
styleFunction: styleFunction
})
],
renderer: ol.RendererHint.CANVAS,
target: 'map',
view: new ol.View2D({
center: [703365.7089403362, 5714629.865071137],
zoom: 9
})
});
var transform = ol.proj.getTransform('EPSG:4326', 'EPSG:3857');
var i, ii;
for (i = 0, ii = tracklogs.length; i < ii; ++i) {
$.get(tracklogs[i], function(data) {
var format = new ol.format.IGC();
var feature = format.readFeature(data);
feature.getGeometry().transform(transform);
vectorSource.addFeature(feature);
});
}
var point = null;
var line = null;
var displaySnap = function(coordinate) {
var closestFeature = vectorSource.getClosestFeatureToCoordinate(coordinate);
var info = document.getElementById('info');
if (closestFeature === null) {
point = null;
line = null;
info.innerHTML = '&nbsp;';
} else {
info.innerHTML = closestFeature.get('PLT');
var geometry = closestFeature.getGeometry();
var closestPoint = geometry.getClosestPoint(coordinate);
if (point === null) {
point = new ol.geom.Point(closestPoint);
} else {
point.setCoordinates(closestPoint);
}
if (line === null) {
line = new ol.geom.LineString([coordinate, closestPoint]);
} else {
line.setCoordinates([coordinate, closestPoint]);
}
}
map.requestRenderFrame();
};
$(map.getViewport()).on('mousemove', function(evt) {
var coordinate = map.getEventCoordinate(evt.originalEvent);
displaySnap(coordinate);
});
map.on('singleclick', function(evt) {
var coordinate = evt.getCoordinate();
displaySnap(coordinate);
});
var imageStyle = ol.shape.renderCircle(5, null, new ol.style.Stroke({
color: 'rgba(255,0,0,0.9)',
width: 1
}));
var strokeStyle = new ol.style.Stroke({
color: 'rgba(255,0,0,0.9)',
width: 1
});
map.on('postcompose', function(evt) {
var render = evt.getRender();
if (point !== null) {
render.setImageStyle(imageStyle);
render.drawPointGeometry(point);
}
if (line !== null) {
render.setFillStrokeStyle(null, strokeStyle);
render.drawLineStringGeometry(line);
}
});