edu.uci.ics.jung.algorithms.layout.Layout.transform()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中edu.uci.ics.jung.algorithms.layout.Layout.transform()方法的一些代码示例，展示了Layout.transform()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。Layout.transform()方法的具体详情如下：
包路径：edu.uci.ics.jung.algorithms.layout.Layout
类名称：Layout
方法名：transform

Layout.transform介绍

暂无

代码示例

代码示例来源：origin: org.opendaylight.controller.thirdparty/net.sf.jung2

/**
 * @see edu.uci.ics.jung.algorithms.layout.Layout#transform(Object)
 */
public Point2D transform(V v) {
  return delegate.transform(v);
}

代码示例来源：origin: griddynamics/jagger

@Override
  public Point2D transform(V v) {
    Point2D point = delegate.transform(v);
    return new Point.Double(point.getX() + xOffset, point.getY() + yOffset);
  }
};

代码示例来源：origin: com.github.fburato/highwheel-core

private void shift(final Layout<ElementName, Dependency> l, final int dx,
   final int dy) {
  for (final ElementName each : l.getGraph().getVertices()) {
   final Point2D point = l.transform(each);
   point.setLocation(point.getX() + dx, point.getY() + dy);
  }
 }
}

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2-experimental

private void copyOldLayout() {
  for (ONDEXConcept node : graph.getVertices()) {
    Point2D coord = oldLayouter.transform(node);
    Point2D coordNew = transform(node);
    coordNew.setLocation(coord.getX(), coord.getY());
  }
}

代码示例来源：origin: org.pitest/highwheel-core

private void shift(final Layout<ElementName, Dependency> l, final int dx,
   final int dy) {
  for (final ElementName each : l.getGraph().getVertices()) {
   final Point2D point = l.transform(each);
   point.setLocation(point.getX() + dx, point.getY() + dy);
  }
 }
}

代码示例来源：origin: hcoles/highwheel

private void shift(final Layout<ElementName, Dependency> l, final int dx,
   final int dy) {
  for (final ElementName each : l.getGraph().getVertices()) {
   final Point2D point = l.transform(each);
   point.setLocation(point.getX() + dx, point.getY() + dy);
  }
 }
}

代码示例来源：origin: org.opendaylight.controller.thirdparty/net.sf.jung2

/**
 * Returns the location of the vertex.  The location is specified first
 * by the sublayouts, and then by the base layout if no sublayouts operate
 * on this vertex.
 * @return the location of the vertex
 * @see org.apache.commons.collections15.Transformer#transform(java.lang.Object)
 */
public Point2D transform(V v) {
  boolean wasInSublayout = false;
  for(Layout<V,E> layout : layouts.keySet()) {
    if(layout.getGraph().getVertices().contains(v)) {
      wasInSublayout = true;
      Point2D center = layouts.get(layout);
      // transform by the layout itself, but offset to the
      // center of the sublayout
      Dimension d = layout.getSize();
      AffineTransform at = 
        AffineTransform.getTranslateInstance(center.getX()-d.width/2,
            center.getY()-d.height/2);
      return at.transform(layout.transform(v),null);
    }
  }
  if(wasInSublayout == false) {
    return delegate.transform(v);
  }
  return null;

}

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2

/**
 * Calculates the bounds of all nodes in a given viewer.
 * 
 * @return Point2D[] min bounds, max bounds
 */
private Point2D[] calcBounds() {
  Point2D[] result = new Point2D[2];
  Point2D min = null;
  Point2D max = null;
  Layout<ONDEXConcept, ONDEXRelation> layout = viewer.getVisualizationViewer().getGraphLayout();
  Iterator<ONDEXConcept> it = layout.getGraph().getVertices().iterator();
  while (it.hasNext()) {
    Point2D point = layout.transform(it.next());
    if (min == null) {
      min = new Point2D.Double(0, 0);
      min.setLocation(point);
    }
    if (max == null) {
      max = new Point2D.Double(0, 0);
      max.setLocation(point);
    }
    min.setLocation(Math.min(min.getX(), point.getX()), Math.min(min.getY(), point.getY()));
    max.setLocation(Math.max(max.getX(), point.getX()), Math.max(max.getY(), point.getY()));
  }
  result[0] = min;
  result[1] = max;
  return result;
}

代码示例来源：origin: org.opendaylight.controller.thirdparty/net.sf.jung2

public Collection<V> getVertices(Layout<V,E> layout, Shape rectangle) {
  Set<V> pickedVertices = new HashSet<V>();
  while(true) {
    try {
      for(V v : layout.getGraph().getVertices()) {
        Point2D p = layout.transform(v);
        if(rectangle.contains(p)) {
          pickedVertices.add(v);
        }
      }
      break;
    } catch(ConcurrentModificationException cme) {}
  }
  return pickedVertices;
}

代码示例来源：origin: org.opendaylight.controller.thirdparty/net.sf.jung2

/**
 * Gets the vertex nearest to the location of the (x,y) location selected,
 * within a distance of <tt>maxDistance</tt>. Iterates through all
 * visible vertices and checks their distance from the click. Override this
 * method to provde a more efficient implementation.
 * @param x
 * @param y
 * @param maxDistance temporarily overrides member maxDistance
 */
public V getVertex(Layout<V,E> layout, double x, double y, double maxDistance) {
  double minDistance = maxDistance * maxDistance;
  V closest = null;
  while(true) {
    try {
      for(V v : layout.getGraph().getVertices()) {
        Point2D p = layout.transform(v);
        double dx = p.getX() - x;
        double dy = p.getY() - y;
        double dist = dx * dx + dy * dy;
        if (dist < minDistance) {
          minDistance = dist;
          closest = v;
        }
      }
      break;
    } catch(ConcurrentModificationException cme) {}
  }
  return closest;
}

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2-experimental

double min = Double.POSITIVE_INFINITY, max = Double.NEGATIVE_INFINITY;
for (ONDEXConcept node : nodes) {
  Point2D coord = oldLayouter.transform(node);
  if (coord.getY() < min)
    min = coord.getY();
  rest.removeAll(nodes);
  for (ONDEXConcept node : rest) {
    Point2D coord = oldLayouter.transform(node);
    double y = coord.getY();
    double x = coord.getX();
  Point2D coord = oldLayouter.transform(node);
  double y = coord.getY();
  double x = coord.getX();

代码示例来源：origin: net.sourceforge.jadex/jadex-tools-comanalyzer

Point2D tp = (Point2D)transitionLayout.transform(v);
Point2D fp = (Point2D)endLayout.transform(v);
double dx = (fp.getX() - tp.getX()) / (count - counter);
double dy = (fp.getY() - tp.getY()) / (count - counter);

代码示例来源：origin: iTransformers/netTransformer

public void Animator(String vertex) {
  Layout<String, String> layout = vv.getGraphLayout();
  Point2D q = layout.transform(vertex);
  Point2D lvc = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(vv.getCenter());
  final double dx = (lvc.getX() - q.getX()) / 10;
  final double dy = (lvc.getY() - q.getY()) / 10;
  Runnable animator = new Runnable() {
    public void run() {
      for (int i = 0; i < 10; i++) {
        vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).translate(dx, dy);
        try {
          Thread.sleep(100);
        } catch (InterruptedException ex) {
        }
      }
    }
  };
  Thread thread = new Thread(animator);
  thread.start();
}

代码示例来源：origin: iTransformers/netTransformer

public void EdgeAnimator(Pair edge) {
  Layout<String, String> layout = vv.getGraphLayout();
  String first = (String) edge.getFirst();
  String second = (String) edge.getSecond();
  Point2D q = layout.transform(first);
  Point2D y = layout.transform(second);
  Line2D line = new Line2D.Double(q.getX(), q.getY(), y.getX(), y.getY());
  Point2D lvc = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(vv.getCenter());
  final double dx = (lvc.getX() - line.getBounds().getCenterX()) / 10;
  final double dy = (lvc.getY() - line.getBounds().getCenterY()) / 10;
  Runnable edgeAnimator = new Runnable() {
    public void run() {
      for (int i = 0; i < 10; i++) {
        vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).translate(dx, dy);
        try {
          Thread.sleep(100);
        } catch (InterruptedException ex) {
        }
      }
    }
  };
  Thread thread = new Thread(edgeAnimator);
  thread.start();
}

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2-default

/**
 * Writes y:Geometry tag with node positions.
 * 
 * @param vertex
 *            V
 * @param xmlw
 *            XMLStreamWriter2
 * @throws XMLStreamException
 */
private void writeGeometry(ONDEXConcept vertex, XMLStreamWriter2 xmlw)
    throws XMLStreamException {
  // get coordinates of node
  Point2D coords = viewer.getGraphLayout().transform(vertex);
  // get shape of node
  Shape shape = viewer.getRenderContext().getVertexShapeTransformer()
      .transform(vertex);
  Rectangle bounds = shape.getBounds();
  xmlw.writeStartElement("y:Geometry");
  xmlw.writeAttribute("x", String.valueOf(coords.getX()));
  xmlw.writeAttribute("y", String.valueOf(coords.getY()));
  xmlw.writeAttribute("width", String.valueOf(bounds.getWidth()));
  xmlw.writeAttribute("height", String.valueOf(bounds.getHeight()));
  xmlw.writeEndElement();
}

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2-default

Point2D source = viewer.getGraphLayout().transform(
    graph.getSource(edge));
Point2D dest = viewer.getGraphLayout().transform(graph.getDest(edge));
xmlw.writeStartElement("y:Point");
xmlw.writeAttribute("x", String.valueOf(source.getX()));

代码示例来源：origin: net.sourceforge.ondex.apps/ovtk2

@Override
protected void paintIconForVertex(RenderContext<ONDEXConcept, ONDEXRelation> rc, ONDEXConcept v, Layout<ONDEXConcept, ONDEXRelation> layout) {
  super.paintIconForVertex(rc, v, layout);
  // check for flagged drawing
  boolean flagged = false;
  AttributeName anFlag = graph.getMetaData().getAttributeName(AppearanceSynchronizer.FLAGGED);
  if (anFlag != null && v.getAttribute(anFlag) != null) {
    flagged = (Boolean) v.getAttribute(anFlag).getValue();
  }
  // draw arrow / flag
  if (flagged) {
    boolean vertexHit = true;
    // get the shape to be rendered
    Shape shape = createArrow();
    Point2D p = layout.transform(v);
    p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
    float x = (float) p.getX();
    float y = (float) p.getY();
    // create a transform that translates to the location of
    // the vertex to be rendered
    AffineTransform xform = AffineTransform.getTranslateInstance(x, y);
    // transform the vertex shape with xtransform
    shape = xform.createTransformedShape(shape);
    vertexHit = vertexHit(rc, shape);
    // rc.getViewTransformer().transform(shape).intersects(deviceRectangle);
    if (vertexHit) {
      paintShapeForVertex(rc, v, shape);
    }
  }
}

代码示例来源：origin: com.github.fburato/highwheel-core

public void labelVertex(final RenderContext<ElementName, Dependency> rc,
  final Layout<ElementName, Dependency> layout, final ElementName v,
  final String label) {
 final Graph<ElementName, Dependency> graph = layout.getGraph();
 if (rc.getVertexIncludePredicate().evaluate(
   Context.<Graph<ElementName, Dependency>, ElementName> getInstance(
     graph, v)) == false) {
  return;
 }
 final GraphicsDecorator g = rc.getGraphicsContext();
 final Component component = prepareRenderer(rc,
   rc.getVertexLabelRenderer(), label,
   rc.getPickedVertexState().isPicked(v), v);
 final Dimension d = component.getPreferredSize();
 final int h_offset = -d.width / 2;
 final int v_offset = -d.height / 2;
 Point2D p = layout.transform(v);
 p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
 final int x = (int) p.getX();
 final int y = (int) p.getY();
 g.draw(component, rc.getRendererPane(), x + h_offset, y + v_offset,
   d.width, d.height, true);
}

代码示例来源：origin: org.pitest/highwheel-core

public void labelVertex(final RenderContext<ElementName, Dependency> rc,
  final Layout<ElementName, Dependency> layout, final ElementName v,
  final String label) {
 final Graph<ElementName, Dependency> graph = layout.getGraph();
 if (rc.getVertexIncludePredicate().evaluate(
   Context.<Graph<ElementName, Dependency>, ElementName> getInstance(
     graph, v)) == false) {
  return;
 }
 final GraphicsDecorator g = rc.getGraphicsContext();
 final Component component = prepareRenderer(rc,
   rc.getVertexLabelRenderer(), label,
   rc.getPickedVertexState().isPicked(v), v);
 final Dimension d = component.getPreferredSize();
 final int h_offset = -d.width / 2;
 final int v_offset = -d.height / 2;
 Point2D p = layout.transform(v);
 p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
 final int x = (int) p.getX();
 final int y = (int) p.getY();
 g.draw(component, rc.getRendererPane(), x + h_offset, y + v_offset,
   d.width, d.height, true);
}

代码示例来源：origin: hcoles/highwheel

public void labelVertex(final RenderContext<ElementName, Dependency> rc,
  final Layout<ElementName, Dependency> layout, final ElementName v,
  final String label) {
 final Graph<ElementName, Dependency> graph = layout.getGraph();
 if (rc.getVertexIncludePredicate().evaluate(
   Context.<Graph<ElementName, Dependency>, ElementName> getInstance(
     graph, v)) == false) {
  return;
 }
 final GraphicsDecorator g = rc.getGraphicsContext();
 final Component component = prepareRenderer(rc,
   rc.getVertexLabelRenderer(), label,
   rc.getPickedVertexState().isPicked(v), v);
 final Dimension d = component.getPreferredSize();
 final int h_offset = -d.width / 2;
 final int v_offset = -d.height / 2;
 Point2D p = layout.transform(v);
 p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
 final int x = (int) p.getX();
 final int y = (int) p.getY();
 g.draw(component, rc.getRendererPane(), x + h_offset, y + v_offset,
   d.width, d.height, true);
}

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