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forEachFeatureAtPixel not limiting features?

Using OpenLayers 3 forEachFeatureAtPixel to specify layer?Make only particular features on layer selectableUsing forEachFeatureAtPixel without mouseOpenlayers 3 - get Geometry of a VectorTile to highlight featuresOpenLayers: Finding features in pixels radiusOpenlayers3, vector data layer not visible after proceeding select onchange functionExcluding several layers from forEachFeatureAtPixel function using OpenLayers 3?Pgrouting PHP don't work with Openlayers and GeoExtError loading geoJSON into map using OpenLayers v4.2.0Limiting OpenLayers heatmap to vector feature boundaries

2

I'm trying to limit the features returned when I click on the map to just those in the endPoint layer:

    endPoint = new ol.layer.Vector({

            source: new ol.source.Vector({

                features: endPoints //add an array of features

            }),

        });

    map.addLayer(endPoint)

Unfortunately, before this layer is even initialised, whilst clicking on features in other layers they are getting logged to the console. I feel like I'm using the correct syntax to limit the features to just those in the endPoint layer (forEachFeatureAtPixel(pixel, callback, opt_this, opt_layerFilter, opt_this2)) but I must be doing something wrong - if I try to return layer rather than feature it gives me a null value?

Is the issue that I need to name the layer somehow?

    map.on('click', function(evt) {

      var pixel = map.getEventPixel(evt.originalEvent);

      var mapFeature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {

          return feature;

            }, null, function(layer) {

                     return layer === endPoint;

            });

      console.log(mapFeature)

      })

openlayers

share|improve this question

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Your message is unclear. What is your bug exactly? Do you have features of other layers that pass the filter function? That should not be the case, your usage of the method is good. No others features than the ones belonging to endpoint should pass the filter (put a debugger breakpoint to verify this). Something else in your code must be the cause of this problem.
  
  – htulipe
  Feb 4 '15 at 18:59
  
  
  

  
  
  
  

add a comment | 

2

I'm trying to limit the features returned when I click on the map to just those in the endPoint layer:

    endPoint = new ol.layer.Vector({

            source: new ol.source.Vector({

                features: endPoints //add an array of features

            }),

        });

    map.addLayer(endPoint)

Unfortunately, before this layer is even initialised, whilst clicking on features in other layers they are getting logged to the console. I feel like I'm using the correct syntax to limit the features to just those in the endPoint layer (forEachFeatureAtPixel(pixel, callback, opt_this, opt_layerFilter, opt_this2)) but I must be doing something wrong - if I try to return layer rather than feature it gives me a null value?

Is the issue that I need to name the layer somehow?

    map.on('click', function(evt) {

      var pixel = map.getEventPixel(evt.originalEvent);

      var mapFeature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {

          return feature;

            }, null, function(layer) {

                     return layer === endPoint;

            });

      console.log(mapFeature)

      })

openlayers

share|improve this question

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Your message is unclear. What is your bug exactly? Do you have features of other layers that pass the filter function? That should not be the case, your usage of the method is good. No others features than the ones belonging to endpoint should pass the filter (put a debugger breakpoint to verify this). Something else in your code must be the cause of this problem.
  
  – htulipe
  Feb 4 '15 at 18:59
  
  
  

  
  
  
  

add a comment | 

I'm trying to limit the features returned when I click on the map to just those in the endPoint layer:

    endPoint = new ol.layer.Vector({

            source: new ol.source.Vector({

                features: endPoints //add an array of features

            }),

        });

    map.addLayer(endPoint)

Unfortunately, before this layer is even initialised, whilst clicking on features in other layers they are getting logged to the console. I feel like I'm using the correct syntax to limit the features to just those in the endPoint layer (forEachFeatureAtPixel(pixel, callback, opt_this, opt_layerFilter, opt_this2)) but I must be doing something wrong - if I try to return layer rather than feature it gives me a null value?

Is the issue that I need to name the layer somehow?

    map.on('click', function(evt) {

      var pixel = map.getEventPixel(evt.originalEvent);

      var mapFeature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {

          return feature;

            }, null, function(layer) {

                     return layer === endPoint;

            });

      console.log(mapFeature)

      })

openlayers

share|improve this question

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

    endPoint = new ol.layer.Vector({

            source: new ol.source.Vector({

                features: endPoints //add an array of features

            }),

        });

    map.addLayer(endPoint)

    map.on('click', function(evt) {

      var pixel = map.getEventPixel(evt.originalEvent);

      var mapFeature = map.forEachFeatureAtPixel(pixel, function(feature, layer) {

          return feature;

            }, null, function(layer) {

                     return layer === endPoint;

            });

      console.log(mapFeature)

      })

share|improve this question

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

share|improve this question

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

edited 7 mins ago

PolyGeo♦

53.6k1780240

edited 7 mins ago

PolyGeo♦

53.6k1780240

asked Feb 3 '15 at 19:20

JakeJake

112

asked Feb 3 '15 at 19:20

JakeJake

112

1 Answer
1

active

oldest

votes

1

I do my info function this way.

wmsLayer09 is the layer where I want the click search for features, so I only get features from that layer

var feature = map.forEachFeatureAtPixel(evt.pixel,

       function (feature, wmsLyr09) {

          return feature;

       });

share|improve this answer

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

add a comment | 

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1

I do my info function this way.

wmsLayer09 is the layer where I want the click search for features, so I only get features from that layer

var feature = map.forEachFeatureAtPixel(evt.pixel,

       function (feature, wmsLyr09) {

          return feature;

       });

share|improve this answer

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

add a comment | 

1

I do my info function this way.

wmsLayer09 is the layer where I want the click search for features, so I only get features from that layer

var feature = map.forEachFeatureAtPixel(evt.pixel,

       function (feature, wmsLyr09) {

          return feature;

       });

share|improve this answer

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

add a comment | 

I do my info function this way.

wmsLayer09 is the layer where I want the click search for features, so I only get features from that layer

var feature = map.forEachFeatureAtPixel(evt.pixel,

       function (feature, wmsLyr09) {

          return feature;

       });

share|improve this answer

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

var feature = map.forEachFeatureAtPixel(evt.pixel,

       function (feature, wmsLyr09) {

          return feature;

       });

share|improve this answer

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214

answered Feb 7 '15 at 15:20

Juan Carlos OropezaJuan Carlos Oropeza

2591214