prefuse.Visualization.getGroup()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中prefuse.Visualization.getGroup()方法的一些代码示例，展示了Visualization.getGroup()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Visualization.getGroup()方法的具体详情如下：
包路径：prefuse.Visualization
类名称：Visualization
方法名：getGroup

Visualization.getGroup介绍

[英]Get the TupleSet associated with the given data group name.
[中]获取与给定数据组名称关联的元组集。

代码示例

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.EncoderAction#setup()
  3.  */
  4. protected void setup() {
  5.   TupleSet ts = m_vis.getGroup(m_group);
  6.   m_ordinalMap = DataLib.ordinalMap(ts, m_dataField);
  7. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get the size of the given visual data group.
  3.  * @param group the visual data group
  4.  * @return the size (number of tuples) of the group
  5.  */
  6. public int size(String group) {
  7.   TupleSet tSet = getGroup(group);
  8.   return ( tSet==null ? 0 : tSet.getTupleCount() );
  9. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Indicates if a given VisualItem is contained in the given visual
  3.  * data group.
  4.  * @param item the VisualItem instance
  5.  * @param group the data group to check for containment
  6.  * @return true if the VisualItem is in the group, false otherwise
  7.  */
  8. public boolean isInGroup(VisualItem item, String group) {
  9.   if ( ALL_ITEMS.equals(group) )
  10.     return true;
  11.   if (item.getGroup().equals(group))
  12.     return true;
  13.   
  14.   TupleSet tSet = getGroup(group);
  15.   return ( tSet==null ? false : tSet.containsTuple(item) );
  16. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all items in the given group which match the given
  3.  * Predicate filter.
  4.  * @param group the visual data group to iterate over
  5.  * @param filter a Predicate indicating which items should be included in
  6.  * the iteration.
  7.  * @return a filtered iterator over VisualItems
  8.  */
  9. public Iterator items(String group, Predicate filter) {
  10.   if ( ALL_ITEMS.equals(group) )
  11.     return items(filter);
  12.   TupleSet t = getGroup(group);
  13.   return ( t==null ? Collections.EMPTY_LIST.iterator() 
  14.            : t.tuples(filter) );
  15. }

代码示例来源：origin: es.ucm.fdi.gaia/jCOLIBRI

  1. public void actionPerformed(ActionEvent e) {
  2.      boolean first = true;
  3.      for (Iterator<?> it=vis.getGroup(Visualization.SEARCH_ITEMS).tuples();it.hasNext(); ) {
  4.       VisualItem item = (VisualItem) it.next();
  5.       if (first){
  6.        vis.getGroup(Visualization.FOCUS_ITEMS).setTuple(item);
  7.        first = false;
  8.       }else{
  9.        vis.getGroup(Visualization.FOCUS_ITEMS).addTuple(item);
  10.       }
  11.       item.setFixed(false);
  12. //          System.out.println("Object: "+((VisualItem) it.next()).getRow());
  13.      }
  14.      vis.repaint();
  15.     }
  16.    });

代码示例来源：origin: es.ucm.fdi.gaia/jCOLIBRI

  1. public void addSearchPanel(){
  2.  // create a search panel for the graph
  3.  SearchQueryBinding sq = new SearchQueryBinding(
  4.      (Table)vis.getGroup(NODES), "name",
  5.      (SearchTupleSet)vis.getGroup(Visualization.SEARCH_ITEMS));
  6.  spanel = sq.createSearchPanel();
  7.  spanel.setShowResultCount(true);
  8.  spanel.setBorder(BorderFactory.createEmptyBorder(5,5,4,0));
  9.  GridBagConstraints constraints = new GridBagConstraints();
  10.  constraints.insets = new Insets(0,5,5,5);
  11.  constraints.weightx = 1.0;
  12.  constraints.weighty = 0.0;
  13.  constraints.fill = GridBagConstraints.BOTH;
  14.  constraints.gridwidth = GridBagConstraints.REMAINDER;
  15.  constraints.anchor = GridBagConstraints.CENTER;
  16.  this.add(spanel, constraints,1);
  17. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Return the NodeItem to use as the root for this tree layout. If the
  3.  * layout root is not set, this method has the side effect of setting it
  4.  * to the root of the graph's spanning tree.
  5.  * @return the root node to use for this tree layout.
  6.  * @throws IllegalStateException if the action's data group does not
  7.  * resolve to a {@link prefuse.data.Graph} instance.
  8.  */
  9. public NodeItem getLayoutRoot() {
  10.   if ( m_root != null )
  11.     return m_root;
  12.   
  13.   TupleSet ts = m_vis.getGroup(m_group);
  14.   if ( ts instanceof Graph ) {
  15.     Tree tree = ((Graph)ts).getSpanningTree();
  16.     return (NodeItem)tree.getRoot();
  17.   } else {
  18.     throw new IllegalStateException("This action's data group does" +
  19.         "not resolve to a Graph instance.");
  20.   }
  21. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.data.expression.Expression#get(prefuse.data.Tuple)
  3.  */
  4. public Object get(Tuple t) {
  5.   VisualItem item = (VisualItem)t;
  6.   Visualization vis = item.getVisualization();
  7.   String group = getGroup(t);
  8.   SearchTupleSet sts = (SearchTupleSet)vis.getGroup(group);
  9.   return sts.getQuery();
  10. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.data.expression.Expression#getInt(prefuse.data.Tuple)
  3.  */
  4. public int getInt(Tuple t) {
  5.   String group = getGroup(t);
  6.   if ( group == null ) { return -1; }
  7.   TupleSet ts = ((VisualItem)t).getVisualization().getGroup(group);
  8.   return ( ts==null ? 0 : ts.getTupleCount() );
  9. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Create a new table for representing axis labels.
  3.  */
  4. protected VisualTable getTable() {
  5.   TupleSet ts = m_vis.getGroup(m_group);
  6.   if ( ts == null ) {
  7.     Schema s = PrefuseLib.getAxisLabelSchema();
  8.     VisualTable vt = m_vis.addTable(m_group, s);
  9.     vt.index(VALUE);
  10.     return vt;
  11.   } else if ( ts instanceof VisualTable ) {
  12.     return (VisualTable)ts;
  13.   } else {
  14.     throw new IllegalStateException(
  15.       "Group already exists, not being used for labels");
  16.   }
  17. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Graph g = (Graph)m_vis.getGroup(m_group);
  6.   initSchema(g.getNodes());
  7.   
  8.   Point2D anchor = getLayoutAnchor();
  9.   NodeItem n = getLayoutRoot();
  10.   layout(n,anchor.getX(),anchor.getY());
  11. }

代码示例来源：origin: es.ucm.fdi.gaia/jCOLIBRI

  1. /**
  2.  *  Changes the graph focus
  3.  */
  4. public void setFocus(int nodeID){
  5.  VisualItem f = (VisualItem)vg.getNode(nodeID);
  6.  vis.getGroup(Visualization.FOCUS_ITEMS).setTuple(f);
  7.  f.setFixed(false);
  8. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.GroupAction#run(double)
  3.  */
  4. public void run(double frac) {
  5.   if ( frac == 0.0 ) {
  6.     setup();
  7.   } else if ( frac == 1.0 ) {
  8.     finish();
  9.   } else {
  10.     super.run(frac);
  11.   }
  12.   TupleSet ts = m_vis.getGroup(m_group);
  13.   ts.putClientProperty(AxisLabelLayout.FRAC, new Double(frac));
  14. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   TupleSet ts = m_vis.getGroup(m_group); 
  6.   
  7.   int nn = ts.getTupleCount();
  8.   
  9.   Rectangle2D r = getLayoutBounds();  
  10.   double height = r.getHeight();
  11.   double width = r.getWidth();
  12.   double cx = r.getCenterX();
  13.   double cy = r.getCenterY();
  14.   double radius = m_radius;
  15.   if (radius <= 0) {
  16.     radius = 0.45 * (height < width ? height : width);
  17.   }
  18.   Iterator items = ts.tuples();
  19.   for (int i=0; items.hasNext(); i++) {
  20.     VisualItem n = (VisualItem)items.next();
  21.     double angle = (2*Math.PI*i) / nn;
  22.     double x = Math.cos(angle)*radius + cx;
  23.     double y = Math.sin(angle)*radius + cy;
  24.     setX(n, null, x);
  25.     setY(n, null, y);
  26.   }
  27. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Add a derived table, a VisualTable that is cascaded from an
  3.  * existing VisualTable. This is useful for creating VisualItems
  4.  * that inherit a set of visual properties from another group of
  5.  * VisualItems. This might be used, for example, in the creation
  6.  * of small multiples where only a few visual attributes vary
  7.  * across the multiples.
  8.  * @param group the data group to use for the derived table
  9.  * @param source the source data group to derive from
  10.  * @param filter a Predicate filter indicating which tuples of the
  11.  * source group should be inheritable by the new group
  12.  * @param override a data schema indicating which data fields
  13.  * should not be inherited, but managed locally by the derived group
  14.  * @return the derived VisualTable
  15.  */
  16. public synchronized VisualTable addDerivedTable(
  17.     String group, String source, Predicate filter, Schema override)
  18. {
  19.   VisualTable src = (VisualTable)getGroup(source);
  20.   VisualTable vt = new VisualTable(src, this, group, filter, override);
  21.    addDataGroup(group, vt, getSourceData(source));
  22.   return vt;
  23. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.data.expression.Expression#getBoolean(prefuse.data.Tuple)
  3.  */
  4. public boolean getBoolean(Tuple t) {
  5.   String group = getGroup(t);
  6.   if ( group == null ) return false;
  7.   boolean incEmpty = m_incEmpty.getBoolean(t);
  8.   
  9.   VisualItem item = (VisualItem)t;
  10.   Visualization vis = item.getVisualization();
  11.   SearchTupleSet search = (SearchTupleSet)vis.getGroup(group);
  12.   if ( search == null && incEmpty )
  13.     return true;
  14.   String query = search != null ? search.getQuery() : null;
  15.   return (incEmpty && (query==null || query.length()==0)) 
  16.       || vis.isInGroup(item, group);
  17. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   TupleSet ts = m_vis.getGroup(m_group);
  6.   setMinMax();
  7.   
  8.   switch ( getDataType(ts) ) {
  9.   case Constants.NUMERICAL:
  10.     numericalLayout(ts);
  11.     break;
  12.   default:
  13.     ordinalLayout(ts);
  14.   }
  15. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.GroupAction#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Tree tree = ((Graph)m_vis.getGroup(m_group)).getSpanningTree();
  6.   m_divisor = tree.getNodeCount();
  7.   m_root = (NodeItem)tree.getRoot();
  8.   
  9.   // mark the items
  10.   Iterator items = m_vis.visibleItems(m_group);
  11.   while ( items.hasNext() ) {
  12.     VisualItem item = (VisualItem)items.next();
  13.     item.setDOI(Constants.MINIMUM_DOI);
  14.     item.setExpanded(false);
  15.   }
  16.   
  17.   // compute the fisheye over nodes
  18.   Iterator iter = m_vis.items(m_sources, m_groupP);
  19.   while ( iter.hasNext() )
  20.     visitFocus((NodeItem)iter.next(), null);
  21.   visitFocus(m_root, null);
  22.   // mark unreached items
  23.   items = m_vis.visibleItems(m_group);
  24.   while ( items.hasNext() ) {
  25.     VisualItem item = (VisualItem)items.next();
  26.     if ( item.getDOI() == Constants.MINIMUM_DOI )
  27.       PrefuseLib.updateVisible(item, false);
  28.   }
  29. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Graph g = (Graph)m_vis.getGroup(m_group);
  6.   initSchema(g.getNodes());
  7.   
  8.   Arrays.fill(m_depths, 0);
  9.   m_maxDepth = 0;
  10.   
  11.   Point2D a = getLayoutAnchor();
  12.   m_ax = a.getX();
  13.   m_ay = a.getY();
  14.   
  15.   NodeItem root = getLayoutRoot();
  16.   Params rp = getParams(root);
  17.   g.getSpanningTree(root);
  18.   // do first pass - compute breadth information, collect depth info
  19.   firstWalk(root, 0, 1);
  20.   
  21.   // sum up the depth info
  22.   determineDepths();
  23.   
  24.   // do second pass - assign layout positions
  25.   secondWalk(root, null, -rp.prelim, 0);
  26. }

代码示例来源：origin: es.ucm.fdi.gaia/jCOLIBRI

  1. /**
  2.  *  Updating the graph
  3.  */
  4. public void setGraph(Graph g){
  5.  vis.cancel("layout");
  6.  vis.removeGroup(GRAPH);
  7.  vis.getGroup(Visualization.SEARCH_ITEMS).clear();
  8.  this.remove(spanel);
  9.  vis.addGraph(GRAPH, g);
  10.  addSearchPanel();
  11.  vis.setInteractive(EDGES, null, false);
  12.  setFocus(0);
  13.  stop.setText("Stop");
  14.  vis.run("layout");
  15.  
  16. }

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