public void draw(Canvas canvas)
{
drawNode(canvas, _rootColor);
if (_northWest != null)
{
_northWest.setPosition(Direction.NW, _position);// set position of child
_northWest.draw(canvas);
}
if (_southWest != null)
{
_southWest.setPosition(Direction.SW, _position);// set position of child
_southWest.draw(canvas);
}
if (_southEast != null)
{
_southEast.setPosition(Direction.SE, _position);
_southEast.draw(canvas);
}
if (_northEast != null)
{
_northEast.setPosition(Direction.NE, _position);
_northEast.draw(canvas);
}
drawArrows(canvas);
}
public void drwaQuadTree(Canvas canvas)
{
_quadTree = new QuadTreeImp(_points, _rows, _columns, 0, Direction.ROOT, canvas);
_quadTree = _quadTree.createQuardTree();
_quadTree.Position = getRootNodePosition(canvas);
_quadTree.draw(canvas);
}
public void drwaQuadTree(Canvas canvas, string preOrderTextFile)
{
StreamReader fileReader = File.OpenText(preOrderTextFile);
string header = fileReader.ReadLine();
char[] delimiterChars = { ' ' };
string[] headerEntries = header.Split(delimiterChars);
_rows = Convert.ToInt32(headerEntries[0]);
_columns = Convert.ToInt32(headerEntries[1]);
_preOrderText = fileReader.ReadLine();
_quadTree = new QuadTreeImp(_rows, _columns, 0, Direction.ROOT, canvas);
_quadTree = _quadTree.createQuardTree(ref _preOrderText);
_quadTree.Position = getRootNodePosition(canvas);
_quadTree.draw(canvas);
}