First of all, I have to say that I'm new to the OpenLayers. I was used
OpenLayers 4 in this project.
We have a map with group layers that can visible or invisible any of them.
var map = new ol.Map({
controls: ol.control.defaults().extend([
new ol.control.FullScreen()
]),
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
}), new ol.layer.Group({
layers: [
new ol.layer.Tile({
source: new ol.source.TileJSON({
url:
'https://api.tiles.mapbox.com/v3/mapbox.20110804-hoa-foodinsecurity-3month.json?secure',
crossOrigin: 'anonymous'
})
}),
new ol.layer.Tile({
source: new ol.source.TileJSON({
url:
'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
crossOrigin: 'anonymous'
})
}),
new ol.layer.Tile({
source: new ol.source.TileJSON({
url:
'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
crossOrigin: 'anonymous'
})
})
]
})
],
target: 'map',
view: new ol.View({
center: ol.proj.fromLonLat([51.360294, 35.713068]),
zoom: 10
})
});
now, how can I bind layers from database or add new layer(s) to existing
layer?
I create this part of above code with in code behind and then put the
output in the place, but it does not work.
,new ol.layer.Tile({
source: new ol.source.TileJSON({
url:
'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
crossOrigin: 'anonymous'
})
}),
new ol.layer.Tile({
source: new ol.source.TileJSON({
url:
'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
crossOrigin: 'anonymous'
})
})
var map = new ol.Map({
controls: ol.control.defaults().extend([
new ol.control.FullScreen()
]),
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
}), new ol.layer.Group({
layers: [
maplayer
]
})
],
target: 'map',
view: new ol.View({
center: ol.proj.fromLonLat([51.360294, 35.713068]),
zoom: 10
})
});
Please guide me.
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