Example usage for java.awt.geom Point2D distance

Introduction

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

Prototype

public double distance(Point2D pt) 

Source Link

Document

Returns the distance from this Point2D to a specified Point2D .

Usage

From source file:com.net2plan.libraries.GraphUtils.java

/** Computes the Euclidean distance between two points.
 * /*from ww w  . j  av  a 2s  .  co m*/
 * @param point1 Point 1
 * @param point2 Point 2
 * @return Euclidean distance between two points */
public static double computeEuclideanDistance(Point2D point1, Point2D point2) {
    return point1.distance(point2);
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

private void findSelectedMarker(Point point) {
    Line2D marker = null;/*  w  ww . j a  va 2s  .co  m*/
    double distance = Double.MAX_VALUE;
    double cDis;
    for (Entry<Line2D, Color> entry : domainMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p2 = line.getP2();
        double height = p2.getY();
        cDis = Double.MAX_VALUE;
        if (height < 1e-4) {
            double xScr = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart()).getX();
            cDis = Math.abs(point.getX() - xScr);
        } else {
            Point2D newP2 = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart());
            if (newP2.getY() < point.getY()) {
                cDis = Math.abs(point.getX() - newP2.getX());
            } else {
                cDis = newP2.distance(point);
            }
        }
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    for (Entry<Line2D, Color> entry : rangeMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p1 = line.getP1();
        Point2D p2 = line.getP2();
        double width = p2.getX();
        cDis = Double.MAX_VALUE;
        if (width < 1e-4) {
            double yScr = ChartMaskingUtilities.translateChartPoint(p1, getScreenDataArea(), getChart()).getY();
            cDis = Math.abs(point.getY() - yScr);
        } else {
            Point2D newP2 = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart());
            if (newP2.getX() > point.getX()) {
                cDis = Math.abs(point.getY() - newP2.getY());
            } else {
                cDis = newP2.distance(point);
            }
        }
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    for (Entry<Line2D, Color> entry : markerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p1 = line.getP1();
        p1 = ChartMaskingUtilities.translateChartPoint(p1, getScreenDataArea(), getChart());
        cDis = p1.distance(point);
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    if (distance < 5) {
        selectedMarker = marker;
    } else {
        selectedMarker = null;
    }
}

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From source file:Distortions.java

public void showWithRadialTangential(String[] preTitles, String title, double[][] preData, // [0] - dx, [1] - dy
        int width, int deciamte, double x0, double y0) {
    int indexDx = 0;
    int indexDy = 1;
    int indexDr = 0;
    int indexDt = 1;
    int indexDa = 2;
    String[] extraTitles = { "R-corr(pix)", "T-corr{pix)", "A-corr(pix)" };
    int newImages = extraTitles.length;
    int length = preData[0].length;
    int height = length / width;
    double[][] data = new double[preData.length + newImages][length];
    String[] titles = new String[preTitles.length + newImages];
    for (int i = 0; i < preData.length; i++) {
        data[i + newImages] = preData[i];
        titles[i + newImages] = preTitles[i];
    }// w  ww . j  ava 2 s. co  m
    for (int i = 0; i < newImages; i++) {
        titles[i] = extraTitles[i];
        data[i] = new double[length];
    }
    Point2D Z = new Point2D.Double(0.0, 0.0);
    for (int i = 0; i < length; i++) {
        Point2D R = new Point2D.Double((deciamte * (i % width)) - x0, (deciamte * (i / width)) - y0);
        double r = R.distance(Z);
        Point2D uR = new Point2D.Double(1.0, 0.0);
        if (r > 0)
            uR.setLocation(R.getX() / r, R.getY() / r);
        Point2D dXY = new Point2D.Double(preData[indexDx][i], preData[indexDy][i]);
        data[indexDr][i] = dXY.getX() * uR.getX() + dXY.getY() * uR.getY();
        data[indexDt][i] = -dXY.getX() * uR.getY() + dXY.getY() * uR.getX();
        data[indexDa][i] = dXY.distance(Z);
    }
    this.SDFA_INSTANCE.showArrays(data, width, height, true, title, titles);
}

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