leaflet-geometryutil - npm Package Compare versions

Comparing version 0.7.2 to 0.8.0

spec/test.nClosestLayers.js

package.json

		{
		"name": "leaflet-geometryutil",
		"version": "0.7.2",
		"version": "0.8.0",
		"description": "Leaflet utility functions on geometries",
		@@ -22,3 +22,3 @@ "keywords": [
		"dependencies": {
		"leaflet": "^0.7.0"
		"leaflet": ">=0.7.0"
		},
		@@ -25,0 +25,0 @@ "devDependencies": {

README.md

		@@ -52,4 +52,13 @@ Leaflet.GeometryUtil

		* Nothing changed yet.
		Nothing yet.

		### 0.8.0 ###

		* Update leaflet dependency to `>=0.7.0` (#64, thanks @kozze89)
		* Add `nClosestLayer` (#62, thanks @haoliangyu)

		### 0.7.2 ###

		* Fix #59, `closest` method using a shallow copy of latLngs => deep copy now

		### 0.7.1 ###
		@@ -56,0 +65,0 @@

src/leaflet.geometryutil.js

		@@ -34,3 +34,3 @@ // Packaging/modules magic dance.
		Shortcut function for planar distance between two {L.LatLng} at current zoom.


		@tutorial distance-length
		@@ -50,3 +50,3 @@
		@param {L.Map} map Leaflet map to be used for this method
		@param {L.LatLng} latlng - The position to search
		@param {L.LatLng} latlng - The position to search
		@param {L.LatLng} latlngA geographical point A of the segment
		@@ -111,3 +111,3 @@ @param {L.LatLng} latlngB geographical point B of the segment
		* @tutorial distance-length
		*
		*
		* @param {L.Polyline\|Array<L.Point>\|Array<L.LatLng>} coords Set of coordinates
		@@ -196,3 +196,3 @@ * @returns {Number} Total length (pixels for Point, meters for LatLng)
		return result;
		} else if (layer[0] instanceof L.LatLng
		} else if (layer[0] instanceof L.LatLng
		\|\| typeof layer[0][0] === 'number'
		@@ -205,3 +205,3 @@ \|\| typeof layer[0].lat === 'number') { // we could have a latlng as [x,y] with x & y numbers or {lat, lng}
		}


		// if we don't have here a Polyline, that means layer is incorrect
		@@ -230,3 +230,3 @@ // see https://github.com/makinacorpus/Leaflet.GeometryUtil/issues/23

		// we have a multi polygon / multi polyline / polygon with holes
		// we have a multi polygon / multi polyline / polygon with holes
		// use recursive to explore and return the good result
		@@ -260,3 +260,3 @@ if ( ! L.Polyline._flat(latlngs) ) {
		}


		// Keep the closest point of all segments
		@@ -323,2 +323,52 @@ for (i = 0, n = latlngs.length; i < n-1; i++) {
		/**
		Returns the n closest layers to latlng among a list of input layers.

		@param {L.Map} map - Leaflet map to be used for this method
		@param {Array<L.ILayer>} layers - Set of layers
		@param {L.LatLng} latlng - The position to search
		@param {?Number} [n=layers.length] - the expected number of output layers.
		@returns {Array<object>} an array of objects ``{layer, latlng, distance}`` or ``null`` if the input is invalid (empty list or negative n)
		*/
		nClosestLayers: function (map, layers, latlng, n) {
		n = typeof n === 'number' ? n : layers.length;

		if (n < 1 \|\| layers.length < 1) {
		return null;
		}

		var results = [];
		var distance, ll;

		for (var i = 0, m = layers.length; i < m; i++) {
		var layer = layers[i];
		if (layer instanceof L.LayerGroup) {
		// recursive
		var subResult = L.GeometryUtil.closestLayer(map, layer.getLayers(), latlng);
		results.push(subResult)
		} else {
		// Single dimension, snap on points, else snap on closest
		if (typeof layer.getLatLng == 'function') {
		ll = layer.getLatLng();
		distance = L.GeometryUtil.distance(map, latlng, ll);
		}
		else {
		ll = L.GeometryUtil.closest(map, layer, latlng);
		if (ll) distance = ll.distance; // Can return null if layer has no points.
		}
		results.push({layer: layer, latlng: ll, distance: distance})
		}
		}

		results.sort(function(a, b) {
		return a.distance - b.distance;
		});

		if (results.length > n) {
		return results.slice(0, n);
		} else {
		return results;
		}
		},

		/**
		* Returns all layers within a radius of the given position, in an ascending order of distance.
		@@ -325,0 +375,0 @@ @param {L.Map} map Leaflet map to be used for this method

docs/global.html