Package prefuse.visual

Examples of prefuse.visual.VisualItem

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        //if ( vlo == 10 || vlo == 1 || vlo == 0.1 ) vlo = 0;
       
        // mark previously visible labels
        Iterator iter = labels.tuples();
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            reset(item);
            double v = item.getDouble(VALUE);
            double x = span==0 ? 0 : ((v-m_lo)/span)*breadth;
            set(item, x, b);
        }

        Index index = labels.index(VALUE);
        double step = getLinearStep(span, span==0 ? 0 : breadth/span);
        if ( step == 0 ) step = 1;
        int r;

        for ( double x, v=vlo; v<=m_hi; v+=step ) {
            x = ((v-m_lo)/span)*breadth;
            if ( x < -0.5 ) {
                continue;
            } else if ( (r=index.get(v)) >= 0 ) {
                VisualItem item = labels.getItem(r);
                item.setVisible(true);
                item.setEndVisible(true);
            } else {
                VisualItem item = labels.addItem();
                item.set(LABEL, m_nf.format(v));
                item.setDouble(VALUE, v);
                double f = pspan==0 ? 0 : ((v-m_prevlo)/pspan);
                if ( f <= 0 || f >= 1.0 ) item.setStartVisible(true);
                set(item, f*breadth, b);
                set(item, x, b);
            }
        }
    }
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    public boolean getBoolean(Tuple t) {
        String group = getGroup(t);
        if ( group == null ) return false;
        boolean incEmpty = m_incEmpty.getBoolean(t);
       
        VisualItem item = (VisualItem)t;
        Visualization vis = item.getVisualization();
        SearchTupleSet search = (SearchTupleSet)vis.getGroup(group);
        if ( search == null && incEmpty )
            return true;
       
        String query = search.getQuery();
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     * by this layout.
     */
    public void reset() {
        Iterator iter = m_vis.visibleItems(m_nodeGroup);
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            ForceItem fitem = (ForceItem)item.get(FORCEITEM);
            if ( fitem != null ) {
                fitem.location[0] = (float)item.getEndX();
                fitem.location[1] = (float)item.getEndY();
                fitem.force[0]    = fitem.force[1]    = 0;
                fitem.velocity[0] = fitem.velocity[1] = 0;
            }
        }
        m_lasttime = -1L;
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        double sspan = MathLib.safeSqrt(m_hi)-slo;
       
        // mark previously visible labels
        Iterator iter = labels.tuples();
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            reset(item);
            double v = item.getDouble(VALUE);
            double x = span==0 ? 0 : ((MathLib.safeSqrt(v)-slo)/sspan)*breadth;
            set(item, x, b);
        }
       
        Index index = labels.index(VALUE);
        double step = getLinearStep(span, breadth/span);
        if ( step == 0 ) step = 1;
        int r;
        for ( double x, v=vlo; v<=m_hi; v+=step ) {
            x = ((MathLib.safeSqrt(v)-slo)/sspan)*breadth;
            if ( x < -0.5 ) {
                continue;
            } else if ( (r=index.get(v)) >= 0 ) {
                VisualItem item = labels.getItem(r);
                item.setVisible(true);
                item.setEndVisible(true);
            } else {
                VisualItem item = labels.addItem();
                item.set(LABEL, m_nf.format(v));
                item.setDouble(VALUE, v);
                double f = spspan==0 ? 0 : ((MathLib.safeSqrt(v)-splo)/spspan);
                if ( f <= 0 || f >= 1.0 ) {
                    item.setStartVisible(true);
                }
                set(item, f*breadth, b);
                set(item, x, b);
            }
        }
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        startX = Float.isNaN(startX) ? 0f : startX;
        startY = Float.isNaN(startY) ? 0f : startY;
      
        Iterator iter = m_vis.visibleItems(m_nodeGroup);
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            ForceItem fitem = (ForceItem)item.get(FORCEITEM);
            fitem.mass = getMassValue(item);
            double x = item.getEndX();
            double y = item.getEndY();
            fitem.location[0] = (Double.isNaN(x) ? startX : (float)x);
            fitem.location[1] = (Double.isNaN(y) ? startY : (float)y);
            fsim.addItem(fitem);
        }
        if ( m_edgeGroup != null ) {
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                step = 10*step;
            }
            val = ((val-llo)/lspan)*breadth;
            if ( val < -0.5 ) continue;
           
            VisualItem item = labels.addItem();
            set(item, val, b);
            String label = i==0 ? m_nf.format(v) : null;
            item.set(LABEL, label);
            item.setDouble(VALUE, v);
        }
    }
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        String group = getGroup(t);
        if ( group == null ) {
            return false;
        }
        VisualItem item = (VisualItem)t;
        return item.getVisualization().isInGroup(item, group);
    }
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        if ( step <= 0 ) step = 1;
       
        // mark previously visible labels
        Iterator iter = labels.tuples();
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            reset(item);
            double v = item.getDouble(VALUE);
            double x = span==0 ? 0.5*breadth : ((v-m_lo)/span)*breadth;
            set(item, x, b);
        }

        Index index = labels.index(VALUE);
       
        // handle remaining labels
        for ( int r, v=(int)m_lo; v<=m_hi; v+=step ) {
            if ( (r=index.get((double)v)) >= 0 ) {
                VisualItem item = labels.getItem(r);
                item.set(VisualItem.LABEL, model.getObject(v).toString());
                item.setVisible(true);
                item.setEndVisible(true);
            } else {
                VisualItem item = labels.addItem();
                item.set(VisualItem.LABEL, model.getObject(v).toString());
                item.setDouble(VisualItem.VALUE, v);
                double f = pspan==0 ? 0.5 : ((v-m_prevlo)/pspan);
                if ( f <= 0 || f >= 1.0 ) item.setStartVisible(true);
                set(item, f*breadth, b);
                set(item, (v-m_lo)*breadth/span, b);
            }
        }
    }
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     * Remove axis labels no longer being used.
     */
    protected void garbageCollect(VisualTable labels) {
        Iterator iter = labels.tuples();
        while ( iter.hasNext() ) {
            VisualItem item = (VisualItem)iter.next();
            if ( !item.isStartVisible() && !item.isEndVisible() ) {
                labels.removeTuple(item);
            }
        }
    }
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        public void run(double frac) {
            // first pass
            double w = 0, h = 0;
            Iterator iter = m_vis.items();
            while ( iter.hasNext() ) {
                VisualItem item = (VisualItem)iter.next();
                item.setSize(1.0);
                h += item.getBounds().getHeight();
            }
            double scale = h > m_maxHeight ? m_maxHeight/h : 1.0;
           
            Display d = m_vis.getDisplay(0);
            Insets ins = d.getInsets();
           
            // second pass
            h = ins.top;
            double ih, y=0, x=ins.left;
            iter = m_vis.items();
            while ( iter.hasNext() ) {
                VisualItem item = (VisualItem)iter.next();
                item.setSize(scale); item.setEndSize(scale);
                Rectangle2D b = item.getBounds();
               
                w = Math.max(w, b.getWidth());
                ih = b.getHeight();
                y = h+(ih/2);
                setX(item, null, x);
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Related Classes of prefuse.visual.VisualItem

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  • org.qi4j.envisage.graph.StackedGraphDisplay$LabelLayout
  • org.qi4j.envisage.graph.TreeGraphDisplay
  • org.qi4j.envisage.graph.TreeGraphDisplay$AutoPanAction
  • org.qi4j.envisage.graph.TreeGraphDisplay$ExtendedFisheyeTreeFilter
  • org.rioproject.tools.ui.GraphView$LabelPositionLayout
  • paperscope.RadialGraph
  • paperscope.RadialGraph$NodeSpreadAction
  • prefuse.action.animate.AxisLabelAnimator
  • prefuse.action.animate.VisibilityAnimator
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