--- a/include/octree.h	Mon Sep 08 20:14:24 2014 +0200
+++ b/include/octree.h	Tue Jul 26 17:41:36 2016 +0200
@@ -73,18 +73,13 @@
  */
 class Octree: public Container
 {
+	static const int MAX_DEPTH;
 	OctreeNode *root;
-	const int max_depth;
 	bool built;
 public:
-	/** default constructor,
-	 * maximum depth of tree is set to 10 */
-	Octree() : Container(), root(NULL), max_depth(10), built(false) {};
+	Octree() : Container(), root(NULL), built(false) {};
+	~Octree() { if (root) delete root; };
 
-	/** constructor
-	 * @param[in] maxdepth	maximum depth of the tree */
-	Octree(int maxdepth) : Container(), root(NULL), max_depth(maxdepth), built(false) {};
-	~Octree() { if (root) delete root; };
 	void addShape(const Shape* aShape) { Container::addShape(aShape); built = false; };
 	const Shape *nearest_intersection(const Shape *origin_shape, const Ray &ray,
 		Float &nearest_distance);