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

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

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get the size of the given visual data group.
 * @param group the visual data group
 * @return the size (number of tuples) of the group
 */
public int size(String group) {
  TupleSet tSet = getGroup(group);
  return ( tSet==null ? 0 : tSet.getTupleCount() );
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Indicates if a given VisualItem is contained in the given visual
 * data group.
 * @param item the VisualItem instance
 * @param group the data group to check for containment
 * @return true if the VisualItem is in the group, false otherwise
 */
public boolean isInGroup(VisualItem item, String group) {
  if ( ALL_ITEMS.equals(group) )
    return true;
  if (item.getGroup().equals(group))
    return true;
  
  TupleSet tSet = getGroup(group);
  return ( tSet==null ? false : tSet.containsTuple(item) );
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all items in the given group which match the given
 * Predicate filter.
 * @param group the visual data group to iterate over
 * @param filter a Predicate indicating which items should be included in
 * the iteration.
 * @return a filtered iterator over VisualItems
 */
public Iterator items(String group, Predicate filter) {
  if ( ALL_ITEMS.equals(group) )
    return items(filter);
  TupleSet t = getGroup(group);
  return ( t==null ? Collections.EMPTY_LIST.iterator() 
           : t.tuples(filter) );
}

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

public void actionPerformed(ActionEvent e) {
     boolean first = true;
     for (Iterator<?> it=vis.getGroup(Visualization.SEARCH_ITEMS).tuples();it.hasNext(); ) {
      VisualItem item = (VisualItem) it.next();
      if (first){
       vis.getGroup(Visualization.FOCUS_ITEMS).setTuple(item);
       first = false;
      }else{
       vis.getGroup(Visualization.FOCUS_ITEMS).addTuple(item);
      }
      item.setFixed(false);
//          System.out.println("Object: "+((VisualItem) it.next()).getRow());
     }
     vis.repaint();
    }
   });

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

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

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Return the NodeItem to use as the root for this tree layout. If the
 * layout root is not set, this method has the side effect of setting it
 * to the root of the graph's spanning tree.
 * @return the root node to use for this tree layout.
 * @throws IllegalStateException if the action's data group does not
 * resolve to a {@link prefuse.data.Graph} instance.
 */
public NodeItem getLayoutRoot() {
  if ( m_root != null )
    return m_root;
  
  TupleSet ts = m_vis.getGroup(m_group);
  if ( ts instanceof Graph ) {
    Tree tree = ((Graph)ts).getSpanningTree();
    return (NodeItem)tree.getRoot();
  } else {
    throw new IllegalStateException("This action's data group does" +
        "not resolve to a Graph instance.");
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.data.expression.Expression#get(prefuse.data.Tuple)
 */
public Object get(Tuple t) {
  VisualItem item = (VisualItem)t;
  Visualization vis = item.getVisualization();
  String group = getGroup(t);
  SearchTupleSet sts = (SearchTupleSet)vis.getGroup(group);
  return sts.getQuery();
}

代码示例来源：origin: de.sciss/prefuse-core

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

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Create a new table for representing axis labels.
 */
protected VisualTable getTable() {
  TupleSet ts = m_vis.getGroup(m_group);
  if ( ts == null ) {
    Schema s = PrefuseLib.getAxisLabelSchema();
    VisualTable vt = m_vis.addTable(m_group, s);
    vt.index(VALUE);
    return vt;
  } else if ( ts instanceof VisualTable ) {
    return (VisualTable)ts;
  } else {
    throw new IllegalStateException(
      "Group already exists, not being used for labels");
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  Graph g = (Graph)m_vis.getGroup(m_group);
  initSchema(g.getNodes());
  
  Point2D anchor = getLayoutAnchor();
  NodeItem n = getLayoutRoot();
  layout(n,anchor.getX(),anchor.getY());
}

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

/**
 *  Changes the graph focus
 */
public void setFocus(int nodeID){
 VisualItem f = (VisualItem)vg.getNode(nodeID);
 vis.getGroup(Visualization.FOCUS_ITEMS).setTuple(f);
 f.setFixed(false);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.GroupAction#run(double)
 */
public void run(double frac) {
  if ( frac == 0.0 ) {
    setup();
  } else if ( frac == 1.0 ) {
    finish();
  } else {
    super.run(frac);
  }
  TupleSet ts = m_vis.getGroup(m_group);
  ts.putClientProperty(AxisLabelLayout.FRAC, new Double(frac));
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  TupleSet ts = m_vis.getGroup(m_group); 
  
  int nn = ts.getTupleCount();
  
  Rectangle2D r = getLayoutBounds();  
  double height = r.getHeight();
  double width = r.getWidth();
  double cx = r.getCenterX();
  double cy = r.getCenterY();
  double radius = m_radius;
  if (radius <= 0) {
    radius = 0.45 * (height < width ? height : width);
  }
  Iterator items = ts.tuples();
  for (int i=0; items.hasNext(); i++) {
    VisualItem n = (VisualItem)items.next();
    double angle = (2*Math.PI*i) / nn;
    double x = Math.cos(angle)*radius + cx;
    double y = Math.sin(angle)*radius + cy;
    setX(n, null, x);
    setY(n, null, y);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Add a derived table, a VisualTable that is cascaded from an
 * existing VisualTable. This is useful for creating VisualItems
 * that inherit a set of visual properties from another group of
 * VisualItems. This might be used, for example, in the creation
 * of small multiples where only a few visual attributes vary
 * across the multiples.
 * @param group the data group to use for the derived table
 * @param source the source data group to derive from
 * @param filter a Predicate filter indicating which tuples of the
 * source group should be inheritable by the new group
 * @param override a data schema indicating which data fields
 * should not be inherited, but managed locally by the derived group
 * @return the derived VisualTable
 */
public synchronized VisualTable addDerivedTable(
    String group, String source, Predicate filter, Schema override)
{
  VisualTable src = (VisualTable)getGroup(source);
  VisualTable vt = new VisualTable(src, this, group, filter, override);
   addDataGroup(group, vt, getSourceData(source));
  return vt;
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.data.expression.Expression#getBoolean(prefuse.data.Tuple)
 */
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 != null ? search.getQuery() : null;
  return (incEmpty && (query==null || query.length()==0)) 
      || vis.isInGroup(item, group);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  TupleSet ts = m_vis.getGroup(m_group);
  setMinMax();
  
  switch ( getDataType(ts) ) {
  case Constants.NUMERICAL:
    numericalLayout(ts);
    break;
  default:
    ordinalLayout(ts);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.GroupAction#run(double)
 */
public void run(double frac) {
  Tree tree = ((Graph)m_vis.getGroup(m_group)).getSpanningTree();
  m_divisor = tree.getNodeCount();
  m_root = (NodeItem)tree.getRoot();
  
  // mark the items
  Iterator items = m_vis.visibleItems(m_group);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    item.setDOI(Constants.MINIMUM_DOI);
    item.setExpanded(false);
  }
  
  // compute the fisheye over nodes
  Iterator iter = m_vis.items(m_sources, m_groupP);
  while ( iter.hasNext() )
    visitFocus((NodeItem)iter.next(), null);
  visitFocus(m_root, null);
  // mark unreached items
  items = m_vis.visibleItems(m_group);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    if ( item.getDOI() == Constants.MINIMUM_DOI )
      PrefuseLib.updateVisible(item, false);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  Graph g = (Graph)m_vis.getGroup(m_group);
  initSchema(g.getNodes());
  
  Arrays.fill(m_depths, 0);
  m_maxDepth = 0;
  
  Point2D a = getLayoutAnchor();
  m_ax = a.getX();
  m_ay = a.getY();
  
  NodeItem root = getLayoutRoot();
  Params rp = getParams(root);
  g.getSpanningTree(root);
  // do first pass - compute breadth information, collect depth info
  firstWalk(root, 0, 1);
  
  // sum up the depth info
  determineDepths();
  
  // do second pass - assign layout positions
  secondWalk(root, null, -rp.prelim, 0);
}

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

/**
 *  Updating the graph
 */
public void setGraph(Graph g){
 vis.cancel("layout");
 vis.removeGroup(GRAPH);
 vis.getGroup(Visualization.SEARCH_ITEMS).clear();
 this.remove(spanel);
 vis.addGraph(GRAPH, g);
 addSearchPanel();
 vis.setInteractive(EDGES, null, false);
 setFocus(0);
 stop.setText("Stop");
 vis.run("layout");
 
}