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問題: OpenLayers.Geometry.LineStringでベクトルレイヤーに線を描きます。 Openlayer SelectFeatureを使用して、この行を選択します。しかし、これは可能なスタートポイントとエンドポイントでのみ可能です。これはオープンソースのバグですか?Openlayers - LineStringを含むSelectFeatureが機能しない
これは私の例です:青色の太い線が機能しないのをクリックします。
<html>
<head>
<title>OpenLayers Example</title>
<script src="http://www.openlayers.org/api/OpenLayers.js"></script>
<script type="text/javascript"src="http://www.openstreetmap.org/openlayers/OpenStreetMap.js"></script>
</head>
<body>
<div style="width:100%; height:100%" id="map"></div>
<script defer="defer" type="text/javascript">
//create map
var options = {
projection: new OpenLayers.Projection("EPSG:900913"),
displayProjection: 'EPSG:4326',
units: "m",
maxResolution: 156543.0339,
maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34),
controls: [
new OpenLayers.Control.PanZoom(),
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.MousePosition({"numDigits": 8,
displayProjection: new OpenLayers.Projection("EPSG:4326"),
emptyString:"outside the map"
}),
]
};
map = new OpenLayers.Map('map', options);
// create OSM layer
osm_osma = new OpenLayers.Layer.OSM.Osmarender('OpenStreetMap Osmarender', {
minZoomLevel: 0,
maxZoomLevel: 100,
isBaseLayer: true
});
map.addLayers([osm_osma]);
var lonlat=transformLonLat("8.3191929972096", "49.015806343698", false);
map.setCenter(lonlat, 17);
//create vector-layer
// Layerstyle
var vlayer_style = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
vlayer_style.fillOpacity = 0.6;
vlayer_style.fillColor = "green";
vlayer_style.strokeWidth = 6;
vlayer_style.strokeColor = "blue";
vlayer_style.strokeOpacity = 1;
var select_style = OpenLayers.Util.extend({}, vlayer_style);
select_style.fillOpacity = 0.6;
select_style.strokeWidth = 10;
select_style.strokeColor = "black";
select_style.fillColor = "black";
vlayer_style.strokeOpacity = 1;
var vStyleMap = new OpenLayers.StyleMap({
"default" :vlayer_style,
"select" :select_style
});
var vlayer = new OpenLayers.Layer.Vector("vlayer", {styleMap: vStyleMap});
map.addLayer(vlayer);
//create SelectFeatures
var selectControl=new OpenLayers.Control.SelectFeature(vlayer,
{
displayClass: "selectButton",
title: 'Select Ways',
onSelect:selected,
onUnselect:unselected,
toggle:false,
clickout:true,
multiple:false,
hover:false,
toggleKey:"ctrlKey",
multipleKey:"shiftKey",
geometryTypes: ["OpenLayers.Geometry.LineString"],
callbacks: {
'over': feature_hover,
'out': feature_hover_out
}
});
map.addControl(selectControl);
selectControl.activate();
//Draw Linestring
var waypoint_lon="8.3096336042805";
var waypoint_lat="49.016608500028";
var lonlat=transformLonLat(waypoint_lon, waypoint_lat, false);
var point=new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat);
var arrPoint =[];
arrPoint.push(point);
waypoint_lon="8.3274863874837";
waypoint_lat="49.016249642214";
lonlat=transformLonLat(waypoint_lon, waypoint_lat, false);
point=new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat);
arrPoint.push(point);
var line = new OpenLayers.Geometry.LineString(arrPoint);
var lineF = new OpenLayers.Feature.Vector(line,null);
vlayer.addFeatures([lineF]);
//Functions
function transformLonLat(lon, lat, anzeige) {
var lonlat1 = null;
if (anzeige==true)
lonlat1=new OpenLayers.LonLat(lon, lat).transform(
new OpenLayers.Projection("EPSG:900913"), // Spherical Mercator Projection
new OpenLayers.Projection("EPSG:4326") // WGS 1984,
);
else
lonlat1=new OpenLayers.LonLat(lon, lat).transform(
new OpenLayers.Projection("EPSG:4326"), // WGS 1984,
new OpenLayers.Projection("EPSG:900913") // Spherical Mercator Projection
);
return lonlat1;
}
function feature_hover(feature){
feature.layer.div.style.cursor = "crosshair";
}
function feature_hover_out(feature){
feature.layer.div.style.cursor = "";
}
function selected (obj) {
alert("select");
}
function unselected (obj) {
alert("deselect");
}
</script>
</body>
</html>