Beispiel #1
0
        private bool DivideSelf()
        {
            var minPoint = _bounds.MinPoint;
            var maxPoint = _bounds.MaxPoint;

            var _size_x = (maxPoint.X - minPoint.X + 1) / 2;
            var _size_y = (maxPoint.Y - minPoint.Y + 1) / 2;
            var _size_z = (maxPoint.Z - minPoint.Z + 1) / 2;

            _children = new OctoTreeNode <T> [8];

            _children[0] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X, minPoint.Y, minPoint.Z),
                    new Point3D(maxPoint.X - _size_x, maxPoint.Y - _size_y, maxPoint.Z - _size_z)
                    ),
                _capacity);

            _children[1] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X, minPoint.Y, minPoint.Z + _size_z),
                    new Point3D(maxPoint.X - _size_x, maxPoint.Y - _size_y, maxPoint.Z)
                    ),
                _capacity);

            _children[2] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X + _size_x, minPoint.Y, minPoint.Z + _size_z),
                    new Point3D(maxPoint.X, maxPoint.Y - _size_y, maxPoint.Z)
                    ),
                _capacity);

            _children[3] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X + _size_x, minPoint.Y, minPoint.Z),
                    new Point3D(maxPoint.X, maxPoint.Y - _size_y, maxPoint.Z - _size_z)
                    ),
                _capacity);

            _children[4] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X + _size_x, minPoint.Y + _size_y, minPoint.Z),
                    new Point3D(maxPoint.X, maxPoint.Y, maxPoint.Z - _size_z)
                    ),
                _capacity);

            _children[5] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X + _size_x, minPoint.Y + _size_y, minPoint.Z + _size_z),
                    new Point3D(maxPoint.X, maxPoint.Y, maxPoint.Z)
                    ),
                _capacity);

            _children[6] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X, minPoint.Y + _size_y, minPoint.Z + _size_z),
                    new Point3D(maxPoint.X - _size_x, maxPoint.Y, maxPoint.Z)
                    ),
                _capacity);

            _children[7] = new OctoTreeNode <T>(
                Cuboid.FromPoints(
                    new Point3D(minPoint.X, minPoint.Y + _size_y, minPoint.Z),
                    new Point3D(maxPoint.X - _size_x, maxPoint.Y, maxPoint.Z - _size_z)
                    ),
                _capacity);

            foreach (var leaf in _leafs)
            {
                foreach (var child in _children)
                {
                    if (child.AddNode(leaf.Point, leaf.Value))
                    {
                        break;
                    }
                }
            }

            _innerNode = true;
            _leafs     = null;

            return(true);
        }
Beispiel #2
0
 private OctoTree(Cuboid bound)
 {
     _root = new OctoTreeNode <T>(bound, 1);
 }