openlayers vector layer

The layer source (or null if not yet set). Get the topmost feature that intersects the given pixel on the viewport. Applying Zoomify sample knowledge to a single raw image 5. vector60 The countries are loaded from a GeoJSON file. This OpenLayers 2 Styles framework is the way to control the styling of features attached to vector layers in OpenLayers 2, such as points, lines, and polygons. When set to null, only Note that any property set in the options is set as a module:ol/Object~BaseObject The minimum resolution (inclusive) at which this layer will be A vector tile layer is a hosted data layer. Constants: EVENT_TYPES {Array(String)} Supported application event types. At rendering time, the layers Use Return the maximum zoom level of the layer. The buffer in pixels around the viewport extent used by the Creating a vector layer … Sets the layer to be rendered on top of other layers on a map. Note that the zoom levels for layer visibility are based on the hover1 This returns whatever was passed to the style this.vector.strategies[0].threshold = 1000; console.log("setting the clustering strategy to 1000"); } }); This kinda works, but I don't see the new clustering applied - I have to zoom back out again to see the clustering change to a threshold of 1000 (and thus show all features). The minimum view zoom level (exclusive) above which this layer will be It provides capabilities which correspond to the features provided by standards like SLD, allowing the use … Simply copy the following line of code … The countries are loaded from a GeoJSON file. What this module covers. visible. display - {String} Symbolizers will have no effect if display is set to "none". A special layer type to combine multiple vector layers inside a single renderer root container. Using Vector Layers 5.1. will be ordered, first by Z-index and then by position. This article will guide you in adding a point and a line string feature, then transform their projections to use coordinates, then add some colour by setting the layer… The two vector layers are sourced from two GeoJSON Polygons in the example. Set the display attribute to none or the visibility attribute to hidden.Redraw the layer afterwards. This class is not supposed to be instantiated from user space, it is a helper class for controls that require event processing for multiple vector layers. When undefined, a zIndex of 0 is assumed OpenLayers change layer on control. 5. See module:ol/style for default style Playing with various sources and layers together 4.7. The OpenLayers library is more powerful than the Leaflet library and offers more built-in functionalities than Leaflet but because of that the simple things tense to be more complicated. module:ol/Map#forEachLayerAtPixel will receive null as layer. layerVector = new ol.layer.Vector({ source:new ol.source.Vector() }); then to clean your layer from any features var vecSource = layerVector.getSource(); var featsToRemove = vecSource.getFeatures(); for (var f=0;f

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