ol-ext/examples/animation/map.featureanimation.path.html
2024-06-26 16:24:06 +02:00

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<!DOCTYPE html>
<html>
<head>
<title>ol-ext: Openlayers feature animation</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="ol.featureAnimation are used to play animations on ol3 maps." />
<meta name="keywords" content="ol3, animation, along, line, path" />
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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<a href="../../index.html">
<h1>ol-ext: Openlayers feature animation</h1>
</a>
<p class="info">
This example show how to use <i>ol.featureAnimation.Path</i> to animate a feature along a path.
<br/>
Use the <i>rotate</i> option to make the symbols rotate along the path.
</p>
<!-- DIV pour la carte -->
<div id="map" style="width:600px; height:400px;"></div>
<div class="options">
<h2>Options:</h2>
<ul><li>
Easing:
<select id="easing" >
<option value="linear">linear</option>
<option value="easeOut">easeOut</option>
<option value="easeIn">easeIn</option>
<option value="inAndOut">inAndOut</option>
</select>
</li><li>
<label><input id="revers" type="checkbox" /> revers</label>
</li><li>
<label><input id="rotation" type="checkbox" /> rotate symbol</label>
</li><li>
speed: <input id="speed" type="range" min="0" max="3" step="0.1" value="1.2" style="vertical-align:middle" />
</li><li>
<button onclick="animateFeature()">Animate!</button>
</li></ul>
</div>
<script type="text/javascript">
// Layers
var layer = new ol.layer.Geoportail('ORTHOIMAGERY.ORTHOPHOTOS')
// The map
var map = new ol.Map ({
target: 'map',
view: new ol.View ({
zoom: 13,
//center: [740741, 5776642]
center: [646752, 5407059]
}),
layers: [layer]
});
var style = [
new ol.style.Style({
image: new ol.style.RegularShape({
radius: 10,
radius2: 5,
points: 5,
fill: new ol.style.Fill({ color: 'blue' })
}),
stroke: new ol.style.Stroke({
color: [0,0,255],
width: 2
}),
fill: new ol.style.Fill({
color: [0,0,255,0.3]
})
})
];
// Red style
var redStyle = [
new ol.style.Style({
image: new ol.style.RegularShape({
radius: 10,
radius2: 5,
points: 5,
fill: new ol.style.Fill({ color: 'red' })
})
})
]
// Triangle style
var triangle = new ol.style.RegularShape({
radius: 14,
points: 3,
fill: new ol.style.Fill({ color: '#00f' }),
stroke: new ol.style.Stroke({ color: '#fff', width: 2 })
});
// stretch the symbol
var c = triangle.getImage();
var ctx = c.getContext("2d");
var c2 = document.createElement('canvas');
c2.width = c2.height = c.width;
c2.getContext("2d").drawImage(c, 0,0);
ctx.clearRect(0,0,c.width,c.height);
ctx.drawImage(c2, 0,0, c.width, c.height, 6, 0, c.width-12, c.height);
var styleTriangle =
new ol.style.Style({
image: triangle,
stroke: new ol.style.Stroke({
color: [0,0,255],
width: 2
}),
fill: new ol.style.Fill({
color: [0,0,255,0.3]
})
})
;
// Vector layer
var source = new ol.source.Vector({
//url: '../data/192553.gpx',
url: '../data/2009-09-04_rando.gpx',
format: new ol.format.GPX()
});
var vector = new ol.layer.Vector({
source: source,
updateWhileAnimating: true,
updateWhileInteracting: true,
style: style
});
map.addLayer(vector);
// Animation
var path;
source.once('change',function(e){
if (source.getState() === 'ready') {
path = source.getFeatures()[0];
// source.removeFeature (path)
}
});
// Add a feature on the map
var f, anim, controler;
function animateFeature(){
if (path) {
f = new ol.Feature(new ol.geom.Point([0,0]));
if ($("#rotation").prop('checked')) f.setStyle(styleTriangle);
else f.setStyle(style);
anim = new ol.featureAnimation.Path({
path: path,
rotate: $("#rotation").prop('checked'),
easing: ol.easing[$("#easing").val()],
speed: Number($("#speed").val()),
revers: $("#revers").prop('checked')
});
if (!$("#rotation").prop('checked')) {
anim.on('drawing', function(e) {
if (e.time > 5000) e.style = redStyle;
})
}
/** /
source.addFeature(f);
anim.on('animationend', function(e)
{ if (e.feature) source.removeFeature(e.feature);
});
/**/
/** /
anim.on('animating', (e) => {
map.getView().setCenter(e.geom.getCoordinates())
map.getView().setRotation(e.rotation||0)
})
/**/
controler = vector.animateFeature ( f, anim );
}
}
for (var i=0; i<4; i++){
setTimeout (animateFeature, i*500);
}
</script>
</body>
</html>