Hello,
With the script down i try to go cross domain and add a wfs to my map:
This is my WFS call and this one *don't works* because it must go *cross
domain*..
With open sites it works.
*javascript*:
var layerWFS = new ol.layer.Vector({
source: new ol.source.Vector({
loader: function(extent) {
$.ajax("http://gisopenbaar.overijssel.nl/data/B4/wfs?
<https://geodata.nationaalgeoregister.nl/ahn2/wfs>", {
type: 'GET',
data: {
service: 'WFS',
version: '1.1.0',
request: 'getfeature',
typename: 'B4:Heidegebieden',
srsname: 'EPSG:3857',
bbox: extent.join(',') + ',EPSG:3857'
},
})
.done(function(data) {
layerWFS
.getSource()
.addFeatures(new ol.format.WFS()
.readFeatures(data));
});
},
strategy: ol.loadingstrategy.bbox,
})
});
function WfsOn(){
map.addLayer(layerWFS);
}
____________________________________
*This is what i tried till now to get it crossdomain with YQL:*
*html:*
<textarea id="wfsdata"></textarea>
*javascript*:
function wfsdata() {
var site = "http://gisopenbaar.overijssel.nl/data/B4/wfs?
<https://geodata.nationaalgeoregister.nl/ahn2/wfs>
request=GetFeature&typename=B4:Heidegebieden
<https://geodata.nationaalgeoregister.nl/ahn2/wfs?request=GetFeature&typename=ahn2:ahn2_bladindex>
";
// Take the provided url, and add it to a YQL query. Make sure you
encode it!
var yql1 = 'http://query.yahooapis.com/v1/public/yql?q=' +
encodeURIComponent('select * from xml where url="' + site + '"') +
'&format=xml&callback=?';
// Request that YSQL string, and run a callback function.
$.getJSON(yql, cbFunc);
function cbFunc(data) {
// what to do with the data.....
if (data.results[0]) {
var headline = data.results[0];
wfsdata.value = headline;
wfsgetdata();
}
// ELSE Foutmelding
else alert('error.');
}
};
function wfsgetdata() {
var value = $("#wfsdata").val().replace(/\n/g, '</br>')
$('#wfsdata).append(value);
WfsOn();
}
var layerWFS = new ol.layer.Vector({
source: new ol.source.Vector({
loader: function(extent) {
$.ajax(document.getElementById("wfsdata").value, {
type: 'GET',
data: {
service: 'WFS',
version: '1.1.0',
request: 'getfeature',
typename: 'B4:Heidegebieden',
srsname: 'EPSG:3857',
bbox: extent.join(',') + ',EPSG:3857'
},
})
.done(function(data) {
layerWFS
.getSource()
.addFeatures(new ol.format.WFS()
.readFeatures(data));
});
},
strategy: ol.loadingstrategy.bbox,
})
});
function WfsOn(){
map.addLayer(layerWFS);
}
The method:
1) with the YQL i get the xml data (hope the right data to load a wfs)
cross domain and place it in the id=wfsdata
2) then i use the data from the id to do the add layerWFS call
But it don't works..
I thought maybe also works something like this way:
function wfsdata() {
var site = "http://gisopenbaar.overijssel.nl/data/B4/wfs?
<https://geodata.nationaalgeoregister.nl/ahn2/wfs>
request=GetFeature&typename=B4:Heidegebieden
<https://geodata.nationaalgeoregister.nl/ahn2/wfs?request=GetFeature&typename=ahn2:ahn2_bladindex>
";
// Take the provided url, and add it to a YQL query. Make sure you
encode it!
var yql1 = 'http://query.yahooapis.com/v1/public/yql?q=' +
encodeURIComponent('select * from xml where url="' + site + '"') +
'&format=xml&callback=?';
// Request that YSQL string, and run a callback function.
$.getJSON(yql, cbFunc);
function cbFunc(data) {
// what to do with the data.....
if (data.results[0]) {
>>>>>>Push the data on the right place in the ajax call and add the wfs
to the map. <<<<<<
}
// ELSE Foutmelding
else alert('error.');
}
};
Maybe someone can look at this....
I hope to hear from you.
Best regards
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