Examples with Point2D java.awt.geom.Point2D used on opensource projects

Example 1 with Point2D

use of java.awt.geom.Point2D in project opennms by OpenNMS.

the class DblBoundingBox method computeWithAspectRatio.

public DblBoundingBox computeWithAspectRatio(double R) {
    double r = getAspectRatio();
    double width = r < R ? Math.round(getHeight() * R) : getWidth();
    double height = r < R ? getHeight() : Math.round(getWidth() / R);
    Point2D center = getCenter();
    return new DblBoundingBox(center, width, height);
}

Example 2 with Point2D

use of java.awt.geom.Point2D in project opennms by OpenNMS.

the class TopoFRLayout method calcPositions.

protected synchronized void calcPositions(V v) {
    FRVertexData fvd = getFRData(v);
    if (fvd == null)
        return;
    Point2D xyd = transform(v);
    double deltaLength = fvd.norm();
    if (deltaLength <= 0.005)
        return;
    double newXDisp = fvd.getX() * percentage() / deltaLength * Math.min(deltaLength, temperature);
    if (Double.isNaN(newXDisp)) {
        throw new IllegalArgumentException("Unexpected mathematical result in FRLayout:calcPositions [xdisp]");
    }
    double newYDisp = fvd.getY() * percentage() / deltaLength * Math.min(deltaLength, temperature);
    xyd.setLocation(xyd.getX() + newXDisp, xyd.getY() + newYDisp);
    double borderWidth = getSize().getWidth() / 50.0;
    double newXPos = xyd.getX();
    if (newXPos < borderWidth) {
        newXPos = borderWidth + Math.random() * borderWidth * 2.0;
    } else if (newXPos > (getSize().getWidth() - borderWidth)) {
        newXPos = getSize().getWidth() - borderWidth - Math.random() * borderWidth * 2.0;
    }
    double newYPos = xyd.getY();
    if (newYPos < borderWidth) {
        newYPos = borderWidth + Math.random() * borderWidth * 2.0;
    } else if (newYPos > (getSize().getHeight() - borderWidth)) {
        newYPos = getSize().getHeight() - borderWidth - Math.random() * borderWidth * 2.0;
    }
    xyd.setLocation(newXPos, newYPos);
}

Example 3 with Point2D

use of java.awt.geom.Point2D in project opennms by OpenNMS.

the class TopoFRLayout method calcRepulsion.

protected void calcRepulsion(V v1) {
    FRVertexData fvd1 = getFRData(v1);
    if (fvd1 == null)
        return;
    fvd1.setLocation(0, 0);
    try {
        for (V v2 : getGraph().getVertices()) {
            if (v1 != v2) {
                Point2D p1 = transform(v1);
                Point2D p2 = transform(v2);
                if (p1 == null || p2 == null)
                    continue;
                double xDelta = p1.getX() - p2.getX();
                double yDelta = p1.getY() - p2.getY();
                xDelta = Math.abs(xDelta) > EPSILON ? xDelta : xDelta == 0 ? epsilon() : Math.signum(xDelta) * EPSILON;
                yDelta = Math.abs(yDelta) > EPSILON ? yDelta : yDelta == 0 ? epsilon() : Math.signum(yDelta) * EPSILON;
                double deltaLength = Math.sqrt((xDelta * xDelta) + (yDelta * yDelta));
                double force = (repulsion_constant * repulsion_constant) / deltaLength;
                if (Double.isNaN(force)) {
                    throw new RuntimeException("Unexpected mathematical result in FRLayout:calcPositions [repulsion]");
                }
                fvd1.offset((xDelta / deltaLength) * force, (yDelta / deltaLength) * force);
            }
        }
    } catch (ConcurrentModificationException cme) {
        calcRepulsion(v1);
    }
}

Example 4 with Point2D

use of java.awt.geom.Point2D in project GNS by MobilityFirst.

the class EC2Runner method populateIDTableForRunset.

private static void populateIDTableForRunset(String name) {
    AWSCredentials credentials = null;
    try {
        //
        credentials = new PropertiesCredentials(new File(CREDENTIALSFILE));
    } catch (IOException e) {
        System.out.println("Problem contacting EC2 instances: " + e);
    }
    //Create Amazon Client object
    AmazonEC2 ec2 = new AmazonEC2Client(credentials);
    for (RegionRecord region : RegionRecord.values()) {
        AWSEC2.setRegion(ec2, region);
        System.out.println("Retrieving instance information in " + region.name() + "...");
        for (Instance instance : AWSEC2.getInstances(ec2)) {
            if (!instance.getState().getName().equals(InstanceStateRecord.TERMINATED.getName())) {
                String idString = getTagValue(instance, "id");
                if (idString != null && name.equals(getTagValue(instance, "runset"))) {
                    String id = new String(idString);
                    String hostname = instance.getPublicDnsName();
                    String ip = getHostIPSafe(hostname);
                    // and take a guess at the location (lat, long) of this host
                    Point2D location = GEOLocator.lookupIPLocation(ip);
                    hostTable.put(id, new HostInfo(id, hostname, location));
                }
            }
        }
    }
}

Example 5 with Point2D

use of java.awt.geom.Point2D in project jdk8u_jdk by JetBrains.

the class Path2DCopyConstructor method testGetCurrentPoint.

static void testGetCurrentPoint(Path2D pathA, Path2D pathB) {
    final Point2D ptA = pathA.getCurrentPoint();
    final Point2D ptB = pathA.getCurrentPoint();
    if (((ptA == null) && (ptB != null)) || ((ptA != null) && !ptA.equals(ptB))) {
        throw new IllegalStateException("getCurrentPoint() are not equals [" + ptA + "|" + ptB + "] !");
    }
    log("testGetCurrentPoint: passed.");
}