Example usage for java.awt.geom Point2D getY

Introduction

In this page you can find the example usage for java.awt.geom Point2D getY.

Prototype

public abstract double getY();

Source Link

Document

Returns the Y coordinate of this Point2D in double precision.

Usage

From source file:edu.uci.ics.jung.visualization.picking.ShapePickSupport.java

/**
 * Returns an edge whose shape intersects the 'pickArea' footprint of the passed
 * x,y, coordinates.// w  ww . j av a 2 s  . c o m
 */
public E getEdge(Layout<V, E> layout, double x, double y) {

    Point2D ip = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(Layer.VIEW,
            new Point2D.Double(x, y));
    x = ip.getX();
    y = ip.getY();

    // as a Line has no area, we can't always use edgeshape.contains(point) so we
    // make a small rectangular pickArea around the point and check if the
    // edgeshape.intersects(pickArea)
    Rectangle2D pickArea = new Rectangle2D.Float((float) x - pickSize / 2, (float) y - pickSize / 2, pickSize,
            pickSize);
    E closest = null;
    double minDistance = Double.MAX_VALUE;
    while (true) {
        try {
            for (E e : getFilteredEdges(layout)) {

                Shape edgeShape = getTransformedEdgeShape(layout, e);
                if (edgeShape == null)
                    continue;

                // because of the transform, the edgeShape is now a GeneralPath
                // see if this edge is the closest of any that intersect
                if (edgeShape.intersects(pickArea)) {
                    float cx = 0;
                    float cy = 0;
                    float[] f = new float[6];
                    PathIterator pi = new GeneralPath(edgeShape).getPathIterator(null);
                    if (pi.isDone() == false) {
                        pi.next();
                        pi.currentSegment(f);
                        cx = f[0];
                        cy = f[1];
                        if (pi.isDone() == false) {
                            pi.currentSegment(f);
                            cx = f[0];
                            cy = f[1];
                        }
                    }
                    float dx = (float) (cx - x);
                    float dy = (float) (cy - y);
                    float dist = dx * dx + dy * dy;
                    if (dist < minDistance) {
                        minDistance = dist;
                        closest = e;
                    }
                }
            }
            break;
        } catch (ConcurrentModificationException cme) {
        }
    }
    return closest;
}

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From source file:lu.lippmann.cdb.graph.mouse.CadralEditingGraphMousePlugin.java

/**
 * {@inheritDoc}/*from ww  w  .  java2 s .c  o m*/
 */
@Override
public void mouseReleased(MouseEvent e) {
    //Don't create node or edge with right click !
    if (!e.isPopupTrigger()) {
        @SuppressWarnings("unchecked")
        final VisualizationViewer<CNode, CEdge> vv = (VisualizationViewer<CNode, CEdge>) e.getSource();

        final Point2D p = e.getPoint();
        final Layout<CNode, CEdge> layout = vv.getModel().getGraphLayout();
        final GraphWithOperations graph = (GraphWithOperations) layout.getGraph();

        final GraphElementAccessor<CNode, CEdge> pickSupport = vv.getPickSupport();

        if (pickSupport != null) {
            CNode vertex = pickSupport.getVertex(layout, p.getX(), p.getY());
            // if no vertex create one on the fly
            if (vertex == null) {
                final CNode newNode = vertexFactory.create();
                final Point2D newPos = vv.getRenderContext().getMultiLayerTransformer()
                        .inverseTransform(e.getPoint());
                graph.addVertex(newNode, new CPoint(newPos.getX(), newPos.getY()));
                layout.lock(newNode, false);
                vertex = newNode;
            } else {
                //reset to initial color if needed
                if (startVertex != null && !startVertex.equals(vertex)) {
                    if (pointedVertices.containsKey(vertex)) {
                        vertex.setColor(pointedVertices.get(vertex));
                    }
                }
                layout.lock(vertex, false);
            }
            // if the source & destination vertex are not the same : create edge
            if (vertex != null && startVertex != null) {
                if (!startVertex.equals(vertex)) {
                    transformEdgeShape(down, down);
                    transformArrowShape(down, e.getPoint());
                    graph.addEdge(edgeFactory.create(), startVertex, vertex, edgeIsDirected);
                }
            }
        }
        //Reset fields
        startVertex = null;
        down = null;
        edgeIsDirected = EdgeType.UNDIRECTED;
        vv.removePostRenderPaintable(edgePaintable);
        vv.removePostRenderPaintable(arrowPaintable);

        //clear color mapping map
        pointedVertices.clear();
        dragVertex = null;
        lastDragVertex = null;

        vv.repaint();
    }
}

---

From source file:edu.uci.ics.jung.algorithms.layout.SpringLayout.java

protected void moveNodes() {
    synchronized (getSize()) {
        try {//from w ww  . ja va  2s  . c o m
            for (V v : getGraph().getVertices()) {
                if (isLocked(v))
                    continue;
                SpringVertexData vd = springVertexData.get(v);
                if (vd == null)
                    continue;
                Point2D xyd = transform(v);

                vd.dx += vd.repulsiondx + vd.edgedx;
                vd.dy += vd.repulsiondy + vd.edgedy;

                // keeps nodes from moving any faster than 5 per time unit
                xyd.setLocation(xyd.getX() + Math.max(-5, Math.min(5, vd.dx)),
                        xyd.getY() + Math.max(-5, Math.min(5, vd.dy)));

                Dimension d = getSize();
                int width = d.width;
                int height = d.height;

                if (xyd.getX() < 0) {
                    xyd.setLocation(0, xyd.getY());
                } else if (xyd.getX() > width) {
                    xyd.setLocation(width, xyd.getY());
                }
                if (xyd.getY() < 0) {
                    xyd.setLocation(xyd.getX(), 0);
                } else if (xyd.getY() > height) {
                    xyd.setLocation(xyd.getX(), height);
                }

            }
        } catch (ConcurrentModificationException cme) {
            moveNodes();
        }
    }
}

---

From source file:com.sdk.connector.chart.TimeDomainRenderer.java

@Override
public void chartMouseClicked(ChartMouseEvent cme) {
    ChartEntity chartentity = cme.getEntity();
    //JOptionPane.showMessageDialog(null,chartentity.getClass(), "",JOptionPane.CANCEL_OPTION);

    if (cme.getEntity() instanceof PlotEntity) {
        if (chartentity != null) {
            Point2D p = chartPanel.translateScreenToJava2D(cme.getTrigger().getPoint());
            final Rectangle2D plotArea = chartPanel.getChartRenderingInfo().getPlotInfo().getDataArea();
            double chartX = plot.getDomainAxis().java2DToValue(p.getX(), plotArea, plot.getDomainAxisEdge());
            double chartY = plot.getRangeAxis().java2DToValue(p.getY(), plotArea, plot.getRangeAxisEdge());

            Calendar calendar = Calendar.getInstance();
            calendar.setTimeInMillis((long) chartX);
            createAnnotation(formatter.format(calendar.getTime()), chartX, chartY);
        } else {/*from ww w.  ja va 2s  .c  o  m*/

        }
    }
}

---

From source file:org.jcurl.demo.tactics.old.MenuView.java

private void zoom(final Point2D center, final double ratio, final int dt) {
    if (getModel() == null)
        return;//from  w w w.  jav  a 2  s.  co  m
    final RectangularShape src = getModel().getZoom();
    if (log.isDebugEnabled())
        log.debug(src);
    final double w = src.getWidth() * ratio;
    final double h = src.getHeight() * ratio;
    final double cx, cy;
    if (center == null) {
        cx = src.getCenterX();
        cy = src.getCenterY();
    } else {
        cx = center.getX();
        cy = center.getY();
    }
    zoom(new Rectangle2D.Double(cx - w / 2, cy - h / 2, Math.abs(w), Math.abs(h)), dt);
}

---

From source file:jmeanshift.ChartProof.java

@Override
public void chartMouseClicked(ChartMouseEvent cme) {
    ChartEntity chartentity = cme.getEntity();
    if (chartentity != null) {
        Point2D p = chartPanel.translateScreenToJava2D(cme.getTrigger().getPoint());
        final Rectangle2D plotArea = chartPanel.getChartRenderingInfo().getPlotInfo().getDataArea();
        int i = (int) plot.getDomainAxis().java2DToValue(p.getX(), plotArea, plot.getDomainAxisEdge());
        int j = (int) plot.getRangeAxis().java2DToValue(p.getY(), plotArea, plot.getRangeAxisEdge());
        series.addOrUpdate(i, j);//w  ww. j av a2  s  .  c o  m
        data1.add((double) i);
        data2.add((double) j);
    } else {

    }

}

---

From source file:net.sf.fspdfs.chartthemes.spring.ScaledDialPointer.java

/**
 * Draws the pointer./*w  ww  .  jav a  2 s .c  o m*/
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

---

From source file:net.sf.jasperreports.chartthemes.spring.ScaledDialPointer.java

/**
 * Draws the pointer./*from  w  w w . ja  v  a  2 s  .  co m*/
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

---

From source file:org.jax.maanova.plot.MaanovaChartPanel.java

/**
 * Convert the given point in java2d coordinates to chart coordinates.
 * @param java2DPoint the point to convert
 * @return the converted point/*  ww  w . j  a v a 2  s. c  o m*/
 * @throws ClassCastException the plot isn't an XYPlot
 */
public Point2D toChartPoint(Point2D java2DPoint) throws ClassCastException {
    XYPlot plot = this.getChart().getXYPlot();
    Rectangle2D dataArea = this.chartRenderingInfo.getPlotInfo().getDataArea();

    double graphX = plot.getDomainAxis().java2DToValue(java2DPoint.getX(), dataArea, plot.getDomainAxisEdge());
    double graphY = plot.getRangeAxis().java2DToValue(java2DPoint.getY(), dataArea, plot.getRangeAxisEdge());

    return new Point2D.Double(graphX, graphY);
}

---

From source file:org.opensha.commons.data.function.EvenlyDiscretizedFunc.java

/**
 *
 * @return value of each point in the function in String format
 *///  w w  w .ja  va 2s  .c om
public String getMetadataString() {
    StringBuffer b = new StringBuffer();
    Iterator<Point2D> it2 = this.iterator();

    while (it2.hasNext()) {

        Point2D point = (Point2D) it2.next();
        double x = point.getX();
        double y = point.getY();
        b.append((float) x + "\t  " + (float) y + '\n');
    }
    return b.toString();
}

---

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