Example usage for java.lang Math toDegrees

List of usage examples for java.lang Math toDegrees

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Introduction

In this page you can find the example usage for java.lang Math toDegrees.

Prototype

public static double toDegrees(double angrad)

Source Link

Document

Converts an angle measured in radians to an approximately equivalent angle measured in degrees.

Usage

From source file:FaceRatios.java

@SuppressWarnings("serial")
public static void main(String[] args) {
    int r = FSDK.ActivateLibrary(FACE_SDK_LICENSE);
    if (r == FSDK.FSDKE_OK) {
        FSDK.Initialize();//from w w w .j  a va2 s  .  c o m
        FSDK.SetFaceDetectionParameters(true, true, 384);

        Map<String, Map<String, ArrayList<Double>>> faceProperties = new HashMap<>();

        for (String directory : new File(FACE_DIRECTORY).list()) {
            if (new File(FACE_DIRECTORY + directory).isDirectory()) {
                Map<String, ArrayList<Double>> properties = new HashMap<String, ArrayList<Double>>() {
                    {
                        for (String property : propertyNames)
                            put(property, new ArrayList<Double>());
                    }
                };

                File[] files = new File(FACE_DIRECTORY + directory).listFiles();
                System.out.println("Analyzing " + directory + " with " + files.length + " files\n");
                for (File file : files) {
                    if (file.isFile()) {
                        HImage imageHandle = new HImage();
                        FSDK.LoadImageFromFileW(imageHandle, file.getAbsolutePath());

                        FSDK.TFacePosition.ByReference facePosition = new FSDK.TFacePosition.ByReference();
                        if (FSDK.DetectFace(imageHandle, facePosition) == FSDK.FSDKE_OK) {
                            FSDK_Features.ByReference facialFeatures = new FSDK_Features.ByReference();
                            FSDK.DetectFacialFeaturesInRegion(imageHandle, (FSDK.TFacePosition) facePosition,
                                    facialFeatures);

                            Point[] featurePoints = new Point[FSDK.FSDK_FACIAL_FEATURE_COUNT];
                            for (int i = 0; i < FSDK.FSDK_FACIAL_FEATURE_COUNT; i++) {
                                featurePoints[i] = new Point(0, 0);
                                featurePoints[i].x = facialFeatures.features[i].x;
                                featurePoints[i].y = facialFeatures.features[i].y;
                            }

                            double eyeDistance = featureDistance(featurePoints, FeatureID.LEFT_EYE,
                                    FeatureID.RIGHT_EYE);
                            double rightEyeSize = featureDistance(featurePoints,
                                    FeatureID.RIGHT_EYE_INNER_CORNER, FeatureID.RIGHT_EYE_OUTER_CORNER);
                            double leftEyeSize = featureDistance(featurePoints, FeatureID.LEFT_EYE_INNER_CORNER,
                                    FeatureID.LEFT_EYE_OUTER_CORNER);
                            double averageEyeSize = (rightEyeSize + leftEyeSize) / 2;

                            double mouthLength = featureDistance(featurePoints, FeatureID.MOUTH_RIGHT_CORNER,
                                    FeatureID.MOUTH_LEFT_CORNER);
                            double mouthHeight = featureDistance(featurePoints, FeatureID.MOUTH_BOTTOM,
                                    FeatureID.MOUTH_TOP);
                            double noseHeight = featureDistance(featurePoints, FeatureID.NOSE_BOTTOM,
                                    FeatureID.NOSE_BRIDGE);
                            double chinHeight = featureDistance(featurePoints, FeatureID.CHIN_BOTTOM,
                                    FeatureID.MOUTH_BOTTOM);

                            double chinToBridgeHeight = featureDistance(featurePoints, FeatureID.CHIN_BOTTOM,
                                    FeatureID.NOSE_BRIDGE);

                            double faceContourLeft = (featurePoints[FeatureID.CHIN_BOTTOM.getIndex()].getY()
                                    - featurePoints[FeatureID.FACE_CONTOUR2.getIndex()].getY())
                                    / (featurePoints[FeatureID.CHIN_BOTTOM.getIndex()].getX()
                                            - featurePoints[FeatureID.FACE_CONTOUR2.getIndex()].getX());
                            double faceContourRight = (featurePoints[FeatureID.CHIN_BOTTOM.getIndex()].getY()
                                    - featurePoints[FeatureID.FACE_CONTOUR12.getIndex()].getY())
                                    / (featurePoints[FeatureID.CHIN_BOTTOM.getIndex()].getX()
                                            - featurePoints[FeatureID.FACE_CONTOUR12.getIndex()].getX());

                            double bridgeLeftEyeDistance = featureDistance(featurePoints,
                                    FeatureID.LEFT_EYE_INNER_CORNER, FeatureID.NOSE_BRIDGE);
                            double bridgeRightEyeDistance = featureDistance(featurePoints,
                                    FeatureID.RIGHT_EYE_INNER_CORNER, FeatureID.NOSE_BRIDGE);

                            properties.get("eyeSize/eyeDistance").add(averageEyeSize / eyeDistance);
                            properties.get("eyeSizeDisparity")
                                    .add(Math.abs(leftEyeSize - rightEyeSize) / averageEyeSize);
                            properties.get("bridgeToEyeDisparity")
                                    .add(Math.abs(bridgeLeftEyeDistance - bridgeRightEyeDistance)
                                            / ((bridgeLeftEyeDistance + bridgeRightEyeDistance) / 2));
                            properties.get("eyeDistance/mouthLength").add(eyeDistance / mouthLength);
                            properties.get("eyeDistance/noseHeight").add(eyeDistance / noseHeight);
                            properties.get("eyeSize/mouthLength").add(eyeDistance / mouthLength);
                            properties.get("eyeSize/noseHeight").add(eyeDistance / noseHeight);
                            properties.get("mouthLength/mouthHeight").add(mouthLength / mouthHeight);
                            properties.get("chinHeight/noseHeight").add(chinHeight / noseHeight);
                            properties.get("chinHeight/chinToBridgeHeight")
                                    .add(chinHeight / chinToBridgeHeight);
                            properties.get("noseHeight/chinToBridgeHeight")
                                    .add(noseHeight / chinToBridgeHeight);
                            properties.get("mouthHeight/chinToBridgeHeight")
                                    .add(mouthHeight / chinToBridgeHeight);
                            properties.get("faceCountourAngle")
                                    .add(Math.toDegrees(Math.atan((faceContourLeft - faceContourRight)
                                            / (1 + faceContourLeft * faceContourRight))));
                        }

                        FSDK.FreeImage(imageHandle);
                    }
                }

                System.out.format("%32s\t%8s\t%8s\t%3s%n", "Property", "", "", "c");
                System.out.println(new String(new char[76]).replace("\0", "-"));

                ArrayList<Entry<String, ArrayList<Double>>> propertyList = new ArrayList<>(
                        properties.entrySet());
                Collections.sort(propertyList, new Comparator<Entry<String, ArrayList<Double>>>() {
                    @Override
                    public int compare(Entry<String, ArrayList<Double>> arg0,
                            Entry<String, ArrayList<Double>> arg1) {
                        DescriptiveStatistics dStats0 = new DescriptiveStatistics(listToArray(arg0.getValue()));
                        DescriptiveStatistics dStats1 = new DescriptiveStatistics(listToArray(arg1.getValue()));
                        return new Double(dStats0.getStandardDeviation() / dStats0.getMean())
                                .compareTo(dStats1.getStandardDeviation() / dStats1.getMean());
                    }
                });

                for (Entry<String, ArrayList<Double>> property : propertyList) {
                    DescriptiveStatistics dStats = new DescriptiveStatistics(listToArray(property.getValue()));
                    System.out.format("%32s\t%4f\t%4f\t%3s%n", property.getKey(), dStats.getMean(),
                            dStats.getStandardDeviation(),
                            Math.round(dStats.getStandardDeviation() / dStats.getMean() * 100) + "%");
                }

                System.out.println("\n");
                faceProperties.put(directory, properties);
            }
        }

        for (String propertyName : propertyNames) {
            DefaultBoxAndWhiskerCategoryDataset dataset = new DefaultBoxAndWhiskerCategoryDataset();
            for (Entry<String, Map<String, ArrayList<Double>>> face : faceProperties.entrySet()) {
                dataset.add(face.getValue().get(propertyName), "Default Series", face.getKey());
            }

            PropertyBoxWhisker plot = new PropertyBoxWhisker(propertyName, dataset);
            plot.pack();
            plot.setVisible(true);
        }
    }
}

From source file:Main.java

public static float acos(double value) {
    return (float) Math.toDegrees(Math.acos(value));
}

From source file:Main.java

public static double getRad2Degree(double rad) {
    return Math.toDegrees(rad);
}

From source file:Main.java

public static double pointTotoDegrees(double x, double y) {
    return Math.toDegrees(Math.atan2(x, y));
}

From source file:Main.java

static public double angle(Point center, Point target) {
    double angle = Math.toDegrees(Math.atan2(target.y - center.y, target.x - center.x));

    if (angle < 0) {
        angle += 360;/*from w w w  .  j  av  a 2  s .  c o m*/
    }
    return angle;

}

From source file:Main.java

public static float getAngleDifference(float ang1, float ang2) {
    float a = (float) Math.toDegrees(ang1) - (float) Math.toDegrees(ang2);
    a += (a > 180) ? -360 : (a < -180) ? 360 : 0;
    return (float) Math.toRadians(a);
}

From source file:Main.java

public static double tile2lat(int y, int z) {
    double n = Math.PI - (2.0 * Math.PI * y) / Math.pow(2.0, z);
    return Math.toDegrees(Math.atan(Math.sinh(n)));
}

From source file:Util.java

/** 
 * @param obj1X/*from  ww w. java2  s. c  om*/
 * @param obj1Y
 * @param obj2X
 * @param obj2Y
 * @return float
 */
public final static float calculateAngleFrom(float obj1X, float obj1Y, float obj2X, float obj2Y) {
    float angleTarget = (float) Math.toDegrees(Math.atan2(obj2Y - obj1Y, obj2X - obj1X));
    if (angleTarget < 0)
        angleTarget = 360 + angleTarget;
    return angleTarget;
}

From source file:Main.java

public static Map<Double, Double> findAngles(double a, double b, double c) {
    Map<Double, Double> sideToAngleMap = new HashMap<Double, Double>();

    sideToAngleMap.put(a, Math.toDegrees(Math.acos((b * b + c * c - a * a) / (2 * b * c))));
    sideToAngleMap.put(b, Math.toDegrees(Math.acos((a * a + c * c - b * b) / (2 * a * c))));
    sideToAngleMap.put(c, 180 - sideToAngleMap.get(a) - sideToAngleMap.get(b));

    return sideToAngleMap;
}

From source file:Main.java

/**
 * Calculate the angle to the target location from local.
 *///from  w w  w  .  ja va  2s.c  o m
private static double getAngle(final double startheight, final double endheight, final float poslenght) {
    double radian = Math.atan(Math.abs((endheight - startheight)) / poslenght);
    double degree = Math.toDegrees(radian);
    if (startheight > endheight) {
        return -degree;
    }
    return degree;
}