add feature collections and kdtree collection

documentation/docs/05-changelog.md

@@ -1,8 +1,12 @@
 ## CHANGELOG
-### v.1.4.0
+### v.1.4.1
 *??/??/2018*
 
 #####
+- Add two new modules, KdTreeCollection and AddToCollection Gameobject modifier.
+- Add Collider option for vector features.
+- Fix to make filter values case insensitive.
+- Fix issue where position vector features was not being set.
 - Fix `Range Property` extrusion option for vector features.
 - Add scale factor for extrusion value derived from feature property.
 

sdkproject/Assets/Mapbox/Examples/1_DataExplorer/BuildingCollection.asset

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sdkproject/Assets/Mapbox/Examples/1_DataExplorer/HighlightBuildings.cs

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+namespace Mapbox.Examples
+{
+	using KDTree;
+	using UnityEngine;
+	using Mapbox.Unity.MeshGeneration;
+	using Mapbox.Unity.MeshGeneration.Data;
+
+	public class HighlightBuildings : MonoBehaviour
+	{
+		public KdTreeCollection Collection;
+		public int MaxCount = 100;
+		public float Range = 10;
+		Ray ray;
+		Plane groundPlane = new Plane(Vector3.up, Vector3.zero);
+		Vector3 pos;
+		float rayDistance;
+		private NearestNeighbour<VectorEntity> pIter;
+
+		void Update()
+		{
+			if (Input.GetMouseButton(0))
+			{
+				ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+				if (groundPlane.Raycast(ray, out rayDistance))
+				{
+					pos = ray.GetPoint(rayDistance);
+					pIter = Collection.NearestNeighbors(new double[] { pos.x, pos.z }, MaxCount, Range);
+					while (pIter.MoveNext())
+					{
+						pIter.Current.Transform.localScale = Vector3.zero;
+					}
+				}
+			}
+		}
+	}
+}

sdkproject/Assets/Mapbox/Examples/1_DataExplorer/InteractiveStyledVectorMap.unity

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sdkproject/Assets/Mapbox/Examples/_sharedModules/AddToTreeCollectionModifier.asset

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sdkproject/Assets/Mapbox/Examples/_sharedModules/TransparentGreyPolygonStack.asset

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sdkproject/Assets/Mapbox/Unity/MeshGeneration/Data/FeatureCollectionBase.cs

@@ -0,0 +1,19 @@
+namespace Mapbox.Unity.MeshGeneration
+{
+	using Mapbox.Unity.MeshGeneration.Data;
+	using UnityEngine;
+
+	public class FeatureCollectionBase : ScriptableObject
+	{
+		public virtual void Initialize()
+		{
+
+		}
+
+		public virtual void AddFeature(double[] position, VectorEntity ve)
+		{
+
+		}
+
+	}
+}

sdkproject/Assets/Mapbox/Unity/MeshGeneration/Data/KdTree/DistanceFunctions.cs

@@ -0,0 +1,77 @@
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace KDTree
+{
+    /// <summary>
+    /// An interface which enables flexible distance functions.
+    /// </summary>
+    public interface DistanceFunctions
+    {
+        /// <summary>
+        /// Compute a distance between two n-dimensional points.
+        /// </summary>
+        /// <param name="p1">The first point.</param>
+        /// <param name="p2">The second point.</param>
+        /// <returns>The n-dimensional distance.</returns>
+        double Distance(double[] p1, double[] p2);
+
+        /// <summary>
+        /// Find the shortest distance from a point to an axis aligned rectangle in n-dimensional space.
+        /// </summary>
+        /// <param name="point">The point of interest.</param>
+        /// <param name="min">The minimum coordinate of the rectangle.</param>
+        /// <param name="max">The maximum coorindate of the rectangle.</param>
+        /// <returns>The shortest n-dimensional distance between the point and rectangle.</returns>
+        double DistanceToRectangle(double[] point, double[] min, double[] max);
+    }
+
+    /// <summary>
+    /// A distance function for our KD-Tree which returns squared euclidean distances.
+    /// </summary>
+    public class SquareEuclideanDistanceFunction : DistanceFunctions
+    {
+        /// <summary>
+        /// Find the squared distance between two n-dimensional points.
+        /// </summary>
+        /// <param name="p1">The first point.</param>
+        /// <param name="p2">The second point.</param>
+        /// <returns>The n-dimensional squared distance.</returns>
+        public double Distance(double[] p1, double[] p2)
+        {
+            double fSum = 0;
+            for (int i = 0; i < p1.Length; i++)
+            {
+                double fDifference = (p1[i] - p2[i]);
+                fSum += fDifference * fDifference;
+            }
+            return fSum;
+        }
+
+        /// <summary>
+        /// Find the shortest distance from a point to an axis aligned rectangle in n-dimensional space.
+        /// </summary>
+        /// <param name="point">The point of interest.</param>
+        /// <param name="min">The minimum coordinate of the rectangle.</param>
+        /// <param name="max">The maximum coorindate of the rectangle.</param>
+        /// <returns>The shortest squared n-dimensional squared distance between the point and rectangle.</returns>
+        public double DistanceToRectangle(double[] point, double[] min, double[] max)
+        {
+            double fSum = 0;
+            double fDifference = 0;
+            for (int i = 0; i < point.Length; ++i)
+            {
+                fDifference = 0;
+                if (point[i] > max[i])
+                    fDifference = (point[i] - max[i]);
+                else if (point[i] < min[i])
+                    fDifference = (point[i] - min[i]);
+                fSum += fDifference * fDifference;
+            }
+            return fSum;
+        }
+    }
+}