Package com.metsci.glimpse.core.painter.treemap

Class SquarifiedLayout

java.lang.Object

com.metsci.glimpse.core.painter.treemap.SquarifiedLayout

All Implemented Interfaces:

TreeMapLayout

public class SquarifiedLayout
extends Object
implements TreeMapLayout

A TreeMap layout which better preserves aspect ratio and provides easier understanding of spatial relationships between nodes. This layout is detailed in Squarified Treemaps, by Bruls, Huizing and van Wijk. Additional information was found on http://jectbd.com/?p=271. The following sources provide pseudo-code only. This custom Java implementation carries the same Metron copyright and license as the rest of the Glimpse source code.

Author:

borkholder

Constructor Summary

Constructors

Constructor	Description
SquarifiedLayout()

Method Summary

Modifier and Type	Method	Description
Rectangle2D[]	layout(Rectangle2D boundary, double[] areas, int level)	Returns an array of bounding rectangles in the same order as the provides areas array.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SquarifiedLayout

public SquarifiedLayout()

Method Detail

layout

public Rectangle2D[] layout(Rectangle2D boundary,
                            double[] areas,
                            int level)

Description copied from interface: TreeMapLayout

Returns an array of bounding rectangles in the same order as the provides areas array. The level indicates the current level in the hierarchy (see NestedTreeMap.getLevel(int)). The boundary rectangle contains the area within which all children should be layed out.

Specified by:

layout in interface TreeMapLayout