Examples of prefuse.action.layout.graph.NodeLinkTreeLayout

prefuse.action.layout.graph.NodeLinkTreeLayout
eer.ist.psu.edu/buchheim02improving.html"> Improving Walker's Algorithm to Run in Linear Time, Graph Drawing 2002. This algorithm corrects performance issues in Walker's algorithm, which generalizes Reingold and Tilford's method for tidy drawings of trees to support trees with an arbitrary number of children at any given node.
@author jeffrey heer

        animatePaint.add( new ColorAnimator( GRAPH_NODES ) );
        animatePaint.add( new RepaintAction() );
        m_vis.putAction( ANIMATE_PAINT_ACTION, animatePaint );


        // create the GRAPH layout action
        NodeLinkTreeLayout treeLayout = new NodeLinkTreeLayout( GRAPH, orientation, 40, 0, 8 );
        treeLayout.setLayoutAnchor( new Point2D.Double( 25, 300 ) );
        m_vis.putAction( LAYOUT_ACTION, treeLayout );


        CollapsedSubtreeLayout subLayout = new CollapsedSubtreeLayout( GRAPH, orientation );
        m_vis.putAction( SUB_LAYOUT_ACTION, subLayout );


        // create the filtering and layout
        ActionList filter = new ActionList();
        filter.add( new ExtendedFisheyeTreeFilter( GRAPH, 2 ) );
        filter.add( new FontAction( GRAPH_NODES, FontLib.getFont( "Tahoma", 14 ) ) );
        filter.add( treeLayout );
        filter.add( subLayout );
        filter.add( textColor );
        filter.add( nodeColor );
        filter.add( edgeColor );
        filter.add( usesColor );
        filter.add( usesArrow );
        m_vis.putAction( FILTER_ACTION, filter );


        // animated transition
        AutoPanAction autoPan = new AutoPanAction();
        ActionList animate = new ActionList( 750 );
        animate.setPacingFunction( new SlowInSlowOutPacer() );
        animate.add( autoPan );
        animate.add( new QualityControlAnimator() );
        animate.add( new VisibilityAnimator( GRAPH ) );
        animate.add( new LocationAnimator( GRAPH_NODES ) );
        animate.add( new ColorAnimator( GRAPH_NODES ) );
        animate.add( new RepaintAction() );
        m_vis.putAction( ANIMATE_ACTION, animate );
        m_vis.alwaysRunAfter( FILTER_ACTION, ANIMATE_ACTION );


        m_vis.putAction( AUTO_ZOOM_ACTION, new AutoZoomAction() );


        // initialize the display
        setItemSorter( new TreeDepthItemSorter() );
        addControlListener( new ZoomToFitControl() );
        addControlListener( new ZoomControl() );
        addControlListener( new WheelZoomControl() );
        addControlListener( new PanControl() );
        addControlListener( new FocusControl( 1, FILTER_ACTION ) );
        addControlListener( new ItemSelectionControl() );


        // set orientation
        nodeRenderer.setHorizontalAlignment( Constants.LEFT );
        edgeRenderer.setHorizontalAlignment1( Constants.RIGHT );
        edgeRenderer.setHorizontalAlignment2( Constants.LEFT );
        edgeRenderer.setVerticalAlignment1( Constants.CENTER );
        edgeRenderer.setVerticalAlignment2( Constants.CENTER );
        usesRenderer.setHorizontalAlignment1( Constants.CENTER );
        usesRenderer.setHorizontalAlignment2( Constants.CENTER );
        usesRenderer.setVerticalAlignment1( Constants.BOTTOM );
        usesRenderer.setVerticalAlignment2( Constants.CENTER );
        NodeLinkTreeLayout rtl = (NodeLinkTreeLayout) m_vis.getAction( LAYOUT_ACTION );
        CollapsedSubtreeLayout stl = (CollapsedSubtreeLayout) m_vis.getAction( SUB_LAYOUT_ACTION );
        rtl.setOrientation( orientation );
        stl.setOrientation( orientation );
    }

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        animatePaint.add(new ColorAnimator(treeNodes));
        animatePaint.add(new RepaintAction());
        m_vis.putAction("animatePaint", animatePaint);
        
        // create the tree layout action
        NodeLinkTreeLayout treeLayout = new NodeLinkTreeLayout(tree,
                m_orientation, 50, 0, 8);
        treeLayout.setLayoutAnchor(new Point2D.Double(25,300));
        m_vis.putAction("treeLayout", treeLayout);
        
        CollapsedSubtreeLayout subLayout = 
            new CollapsedSubtreeLayout(tree, m_orientation);
        m_vis.putAction("subLayout", subLayout);

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    }
    
    // ------------------------------------------------------------------------
    
    public void setOrientation(int orientation) {
        NodeLinkTreeLayout rtl 
            = (NodeLinkTreeLayout)m_vis.getAction("treeLayout");
        CollapsedSubtreeLayout stl
            = (CollapsedSubtreeLayout)m_vis.getAction("subLayout");
        switch ( orientation ) {
        case Constants.ORIENT_LEFT_RIGHT:
            m_nodeRenderer.setHorizontalAlignment(Constants.LEFT);
            m_edgeRenderer.setHorizontalAlignment1(Constants.RIGHT);
            m_edgeRenderer.setHorizontalAlignment2(Constants.LEFT);
            m_edgeRenderer.setVerticalAlignment1(Constants.CENTER);
            m_edgeRenderer.setVerticalAlignment2(Constants.CENTER);
            break;
        case Constants.ORIENT_RIGHT_LEFT:
            m_nodeRenderer.setHorizontalAlignment(Constants.RIGHT);
            m_edgeRenderer.setHorizontalAlignment1(Constants.LEFT);
            m_edgeRenderer.setHorizontalAlignment2(Constants.RIGHT);
            m_edgeRenderer.setVerticalAlignment1(Constants.CENTER);
            m_edgeRenderer.setVerticalAlignment2(Constants.CENTER);
            break;
        case Constants.ORIENT_TOP_BOTTOM:
            m_nodeRenderer.setHorizontalAlignment(Constants.CENTER);
            m_edgeRenderer.setHorizontalAlignment1(Constants.CENTER);
            m_edgeRenderer.setHorizontalAlignment2(Constants.CENTER);
            m_edgeRenderer.setVerticalAlignment1(Constants.BOTTOM);
            m_edgeRenderer.setVerticalAlignment2(Constants.TOP);
            break;
        case Constants.ORIENT_BOTTOM_TOP:
            m_nodeRenderer.setHorizontalAlignment(Constants.CENTER);
            m_edgeRenderer.setHorizontalAlignment1(Constants.CENTER);
            m_edgeRenderer.setHorizontalAlignment2(Constants.CENTER);
            m_edgeRenderer.setVerticalAlignment1(Constants.TOP);
            m_edgeRenderer.setVerticalAlignment2(Constants.BOTTOM);
            break;
        default:
            throw new IllegalArgumentException(
                "Unrecognized orientation value: "+orientation);
        }
        m_orientation = orientation;
        rtl.setOrientation(orientation);
        stl.setOrientation(orientation);
    }

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        animatePaint.add(new RepaintAction());
        vis.putAction("animatePaint", animatePaint);


        //TreeLayout graphLayout = new RadialTreeLayout(Constants.TREE);
        graphLayout =
            new NodeLinkTreeLayout(Constants.TREE, orientation, 48, 12, 16);


        // create the tree layout action
        CollapsedSubtreeLayout subLayout = new CollapsedSubtreeLayout(Constants.TREE);
        vis.putAction("subLayout", subLayout);
        ActionList layout = new ActionList(Activity.INFINITY);

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org.qi4j.envisage.graph.TreeGraphDisplay

org.rioproject.tools.ui.GraphView

prefuse.data.Graph

prefuse.demos.TreeView

prefuse.Display

prefuse.visual.NodeItem

java.awt.geom.Rectangle2D

java.awt.geom.Point2D

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