Add example combining draw and modify interaction
This commit is contained in:
tsauerwein
61
examples/draw-and-modify-features.html
Normal file
61
examples/draw-and-modify-features.html
Normal file
@@ -0,0 +1,61 @@
|
|||||||
|
<!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>Draw and modify features 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="span12">
|
||||||
|
<h4 id="title">Draw and modify features example</h4>
|
||||||
|
<p id="shortdesc">Example of using the ol.interaction.Draw interaction together with
|
||||||
|
the ol.interaction.Modify interaction.</p>
|
||||||
|
<form class="form-inline">
|
||||||
|
<label>Geometry type </label>
|
||||||
|
<select id="type">
|
||||||
|
<option value="Point">Point</option>
|
||||||
|
<option value="LineString">LineString</option>
|
||||||
|
<option value="Polygon">Polygon</option>
|
||||||
|
</select>
|
||||||
|
</form>
|
||||||
|
|
||||||
|
<div id="docs">
|
||||||
|
<p>See the <a href="draw-and-modify-features.js" target="_blank">draw-and-modify-features.js source</a> to see how this is done.</p>
|
||||||
|
</div>
|
||||||
|
<div id="tags">draw, edit, modify, vector, featureoverlay</div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
</div>
|
||||||
|
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<script src="jquery.min.js" type="text/javascript"></script>
|
||||||
|
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
|
||||||
|
<script src="loader.js?id=draw-and-modify-features" type="text/javascript"></script>
|
||||||
|
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
84
examples/draw-and-modify-features.js
Normal file
84
examples/draw-and-modify-features.js
Normal file
@@ -0,0 +1,84 @@
|
|||||||
|
goog.require('ol.FeatureOverlay');
|
||||||
|
goog.require('ol.Map');
|
||||||
|
goog.require('ol.View2D');
|
||||||
|
goog.require('ol.events.condition');
|
||||||
|
goog.require('ol.interaction');
|
||||||
|
goog.require('ol.interaction.Draw');
|
||||||
|
goog.require('ol.interaction.Modify');
|
||||||
|
goog.require('ol.layer.Tile');
|
||||||
|
goog.require('ol.source.MapQuest');
|
||||||
|
goog.require('ol.style.Circle');
|
||||||
|
goog.require('ol.style.Fill');
|
||||||
|
goog.require('ol.style.Stroke');
|
||||||
|
goog.require('ol.style.Style');
|
||||||
|
|
||||||
|
var raster = new ol.layer.Tile({
|
||||||
|
source: new ol.source.MapQuest({layer: 'sat'})
|
||||||
|
});
|
||||||
|
|
||||||
|
var map = new ol.Map({
|
||||||
|
layers: [raster],
|
||||||
|
target: 'map',
|
||||||
|
view: new ol.View2D({
|
||||||
|
center: [-11000000, 4600000],
|
||||||
|
zoom: 4
|
||||||
|
})
|
||||||
|
});
|
||||||
|
|
||||||
|
// The features are not added to a regular vector layer/source,
|
||||||
|
// but to a feature overlay which holds a collection of features.
|
||||||
|
// This collection is passed to the modify and also the draw
|
||||||
|
// interaction, so that both can add or modify features.
|
||||||
|
var featureOverlay = new ol.FeatureOverlay({
|
||||||
|
style: new ol.style.Style({
|
||||||
|
fill: new ol.style.Fill({
|
||||||
|
color: 'rgba(255, 255, 255, 0.2)'
|
||||||
|
}),
|
||||||
|
stroke: new ol.style.Stroke({
|
||||||
|
color: '#ffcc33',
|
||||||
|
width: 2
|
||||||
|
}),
|
||||||
|
image: new ol.style.Circle({
|
||||||
|
radius: 7,
|
||||||
|
fill: new ol.style.Fill({
|
||||||
|
color: '#ffcc33'
|
||||||
|
})
|
||||||
|
})
|
||||||
|
})
|
||||||
|
});
|
||||||
|
featureOverlay.setMap(map);
|
||||||
|
|
||||||
|
var modify = new ol.interaction.Modify({
|
||||||
|
features: featureOverlay.getFeatures(),
|
||||||
|
// the SHIFT key must be pressed to delete vertices, so
|
||||||
|
// that new vertices can be drawn at the same position
|
||||||
|
// of existing vertices
|
||||||
|
deleteCondition: function(event) {
|
||||||
|
return ol.events.condition.shiftKeyOnly(event) &&
|
||||||
|
ol.events.condition.singleClick(event);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
map.addInteraction(modify);
|
||||||
|
|
||||||
|
var draw; // global so we can remove it later
|
||||||
|
function addInteraction() {
|
||||||
|
draw = new ol.interaction.Draw({
|
||||||
|
features: featureOverlay.getFeatures(),
|
||||||
|
type: /** @type {ol.geom.GeometryType} */ (typeSelect.value)
|
||||||
|
});
|
||||||
|
map.addInteraction(draw);
|
||||||
|
}
|
||||||
|
|
||||||
|
var typeSelect = document.getElementById('type');
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Let user change the geometry type.
|
||||||
|
* @param {Event} e Change event.
|
||||||
|
*/
|
||||||
|
typeSelect.onchange = function(e) {
|
||||||
|
map.removeInteraction(draw);
|
||||||
|
addInteraction();
|
||||||
|
};
|
||||||
|
|
||||||
|
addInteraction();
|
||||||
Reference in New Issue
Block a user