ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Bringing back the style-rules example

Browse Source 
Features are now created programmatically as
GeoJSONFeatureCollection.
This commit is contained in:
ahocevar
2013-03-08 16:26:18 +01:00
parent 389b8d14d7
commit b971fc1aae
2 changed files with 188 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
examples/style-rules.html Normal file
View File

@@ -0,0 +1,52 @@
<!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="bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="examples.css" type="text/css">
<link rel="stylesheet" href="bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>Style with rules example</title>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="example-list.html">OpenLayers 3 Examples</a>
<ul class="nav pull-right">
<li><a href="https://github.com/openlayers/ol3"><i class="icon-github"></i></a></li>
<li><a href="https://twitter.com/openlayers"><i class="icon-twitter"></i></a></li>
</ul>
</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">Style with rules example</h4>
<p id="shortdesc">Draws features with rule based styles.</p>
<div id="docs">
<p>See the <a href="style-rules.js" target="_blank">style-rules.js source</a> to see how this is done.</p>
</div>
<div id="tags">vector, geojson, style</div>
</div>
</div>
</div>
<script src="loader.js?id=style-rules" type="text/javascript"></script>
</body>
</html>

136
examples/style-rules.js Normal file
View File

@@ -0,0 +1,136 @@
goog.require('ol.Collection');
goog.require('ol.Coordinate');
goog.require('ol.Expression');
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.RendererHint');
goog.require('ol.View2D');
goog.require('ol.control.defaults');
goog.require('ol.filter.Filter');
goog.require('ol.geom.LineString');
goog.require('ol.layer.Vector');
goog.require('ol.parser.GeoJSON');
goog.require('ol.projection');
goog.require('ol.source.Vector');
goog.require('ol.style.Line');
goog.require('ol.style.Rule');
goog.require('ol.style.Style');
var style = new ol.style.Style({rules: [
new ol.style.Rule({
filter: new ol.filter.Filter(function(feature) {
return feature.get('where') == 'outer';
}),
symbolizers: [
new ol.style.Line({
strokeColor: new ol.Expression('color'),
strokeWidth: 4,
opacity: 1
})
]
}),
new ol.style.Rule({
filter: new ol.filter.Filter(function(feature) {
return feature.get('where') == 'inner';
}),
symbolizers: [
new ol.style.Line({
strokeColor: '#013',
strokeWidth: 4,
opacity: 1
}),
new ol.style.Line({
strokeColor: new ol.Expression('color'),
strokeWidth: 2,
opacity: 1
})
]
})
]});
var vector = new ol.layer.Vector({
style: style,
source: new ol.source.Vector({
projection: ol.projection.get('EPSG:3857')
})
});
vector.parseFeatures({
'type': 'FeatureCollection',
'features': [{
'type': 'Feature',
'properties': {
'color': '#BADA55',
'where': 'inner'
},
'geometry': {
'type': 'LineString',
'coordinates': [[-10000000, -10000000], [10000000, 10000000]]
}
}, {
'type': 'Feature',
'properties': {
'color': '#BADA55',
'where': 'inner'
},
'geometry': {
'type': 'LineString',
'coordinates': [[-10000000, 10000000], [10000000, -10000000]]
}
}, {
'type': 'Feature',
'properties': {
'color': '#013',
'where': 'outer'
},
'geometry': {
'type': 'LineString',
'coordinates': [[-10000000, -10000000], [-10000000, 10000000]]
}
}, {
'type': 'Feature',
'properties': {
'color': '#013',
'where': 'outer'
},
'geometry': {
'type': 'LineString',
'coordinates': [[-10000000, 10000000], [10000000, 10000000]]
}
}, {
'type': 'Feature',
'properties': {
'color': '#013',
'where': 'outer'
},
'geometry': {
'type': 'LineString',
'coordinates': [[10000000, 10000000], [10000000, -10000000]]
}
}, {
'type': 'Feature',
'properties': {
'color': '#013',
'where': 'outer'
},
'geometry': {
'type': 'LineString',
'coordinates': [[10000000, -10000000], [-10000000, -10000000]]
}
}]
}, new ol.parser.GeoJSON(), ol.projection.get('EPSG:3857'));
var map = new ol.Map({
layers: new ol.Collection([vector]),
controls: ol.control.defaults({
attribution: false
}),
renderer: ol.RendererHint.CANVAS,
target: 'map',
view: new ol.View2D({
center: new ol.Coordinate(0, 0),
zoom: 1
})
});