OL4 WKT Den Feature Oluşturma, Kesişim Kontrolü, Feature Düzenleme Örneği

01 Leqeeni 2017 Omer-UYGUN Open Layers 4 
<!DOCTYPE html>
<html>
  <head>
    <title>WKT</title>
    <link rel="stylesheet" href="https://openlayers.org/en/v4.2.0/css/ol.css" type="text/css">
    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
    <script src="https://openlayers.org/en/v4.2.0/build/ol.js"></script>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script>
	//var bilgiAl=nul;
	
      var raster = new ol.layer.Tile({
        source: new ol.source.OSM()
      });

      var wkt = 'POLYGON((10.689 -25.092, 34.595 ' +
          '-20.170, 38.814 -35.639, 13.502 ' +
          '-39.155, 10.689 -25.092))';

      var format = new ol.format.WKT();

      var feature = format.readFeature(wkt, {
        dataProjection: 'EPSG:4326',
        featureProjection: 'EPSG:3857'
      });
	  
	  feature.set('MahalleAdi','Deneme Mahalle');
	   feature.set('MahalleId',1);

      var vector = new ol.layer.Vector({
        source: new ol.source.Vector({
          features: [feature]
        })
      });
	 
	   var vectorBilgiAl = new ol.layer.Vector({
	    title:'Bilgi Al',
        source: new ol.source.Vector({}),
		wrapX: false
      });

      var map = new ol.Map({
        layers: [raster, vector,vectorBilgiAl],
        target: 'map',
        view: new ol.View({
          center: [2952104.0199, -3277504.823],
          zoom: 4
        })
      });
	  
	   var  bilgiAl= new ol.interaction.Draw({
            source: vectorBilgiAl.getSource(),
            type: ('Point')
        });
		
      map.addInteraction(bilgiAl);
	  
	  bilgiAl.on('drawend', function (event) {
				var tiklanilanNoktaVerileri=[];
                
				var format = new ol.format.WKT();
				
                var selFeatureWkt = format.writeGeometry(event.feature.getGeometry(), {
                    dataProjection: 'EPSG:3857',
                    featureProjection: 'EPSG:3857'
                });
                //alert(selFeatureWkt);
				
				vector.getSource().getFeatures().forEach(function(obje){
				
				var objeExtend=obje.getGeometry().getExtent();
				
					var sonuc=ol.extent.intersects(objeExtend,event.feature.getGeometry().getExtent());
					if(sonuc){
						tiklanilanNoktaVerileri.push(obje.get('MahalleAdi')+'#'+obje.get('MahalleId'))
						}
					}
				);
				
				if(tiklanilanNoktaVerileri.length>0){
				
					alert('Tıklanılan Nokta Verileri : '+tiklanilanNoktaVerileri);
				}
				else
				{
				    alert('Tıklanılan noktada mahalle verisi bulunamadı !');
				}
				
				vectorBilgiAl.getSource().clear();
				
            });
			
		var select = new ol.interaction.Select({
					wrapX: false
					});
		var modify = new ol.interaction.Modify({
					features: select.getFeatures()
					});
		map.addInteraction(select);	
		map.addInteraction(modify);		
		//select.setActivate(false);
		//modify.setActivate(false);
		
		modify.on('modifyend',function(e){
					alert('Düzenleme Bitti');
					//console.log("feature id is",e.features.getArray()[0].getId());
					});
		modify.on('change:active',function(e){
					alert('change:active');
					//console.log("feature id is",e.features.getArray()[0].getId());
					});
		modify.on('propertychange',function(e){
					alert('Propery Change');
					//console.log("feature id is",e.features.getArray()[0].getId());
					});
		bilgiAl.setActive(false);
		select.setActive(true);
    </script>
  </body>
</html>

 

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