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8 changes: 6 additions & 2 deletions Readme.md
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ In computer science, a [k-d tree](http://en.wikipedia.org/wiki/K-d_tree) (short
### Usage

#### Using global exports
When you include the kd-tree script via HTML, the global variables *kdTree* and *BinaryHeap* will be exported.
When you include the kd-tree script via HTML, the global variables `kdTree`, `staticKdTree` and `BinaryHeap` will be exported.

```js
// Create a new tree from a list of points, a distance function, and a
Expand Down Expand Up @@ -44,6 +44,10 @@ tree.remove(point);
tree.balanceFactor();
```

The `staticKdTree` only shuffle the point array in place and does not build a separate hierarchy of nodes.
So it only proposes to build a tree from an array of points together with the *nearest* method.
Its advantage is that it does no memory allocation.

#### Using RequireJS
```js
requirejs(['path/to/kdTree.js'], function (ubilabs) {
Expand Down Expand Up @@ -87,7 +91,7 @@ var distance = function(a, b){
return Math.pow(a.x - b.x, 2) + Math.pow(a.y - b.y, 2);
}

var tree = new kdTree(points, distance, ["x", "y"]);
var tree = new staticKdTree(points, distance, ["x", "y"]);

var nearest = tree.nearest({ x: 5, y: 5 }, 2);

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3 changes: 2 additions & 1 deletion examples/basic/index.html
Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,8 @@ <h3>Controls</h3>
}
neighbors = $("#neighbors").val();
useTree = $("#useTree").attr('checked') ? true : false;
tree = new kdTree(points, distance, ["x", "y"]);
tree = new staticKdTree(points, distance, ["x", "y"]);
//tree = new kdTree(points, distance, ["x", "y"]);
}

$(function(){
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11 changes: 1 addition & 10 deletions kdTree-min.js

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