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Farzaneh

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About Farzaneh

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    Undergraduate

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    http://rayankadeh.com

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    Female
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    tehran
  1. 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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