Example usage for org.apache.commons.imaging.formats.tiff.constants GpsTagConstants GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST

Introduction

In this page you can find the example usage for org.apache.commons.imaging.formats.tiff.constants GpsTagConstants GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST.

Prototype

String GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST

To view the source code for org.apache.commons.imaging.formats.tiff.constants GpsTagConstants GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST.

Click Source Link

Usage

From source file:org.openstreetmap.josm.plugins.mapillary.utils.MapillaryUtils.java

/**
 * Calculates the decimal degree-value from a degree value given in
 * degrees-minutes-seconds-format/*ww w . j  ava  2s. c  om*/
 *
 * @param degMinSec an array of length 3, the values in there are (in this order)
 *                  degrees, minutes and seconds
 * @param ref       the latitude or longitude reference determining if the given value
 *                  is:
 *                  <ul>
 *                  <li>north (
 *                  {@link GpsTagConstants#GPS_TAG_GPS_LATITUDE_REF_VALUE_NORTH}) or
 *                  south (
 *                  {@link GpsTagConstants#GPS_TAG_GPS_LATITUDE_REF_VALUE_SOUTH}) of
 *                  the equator</li>
 *                  <li>east (
 *                  {@link GpsTagConstants#GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST}) or
 *                  west ({@link GpsTagConstants#GPS_TAG_GPS_LONGITUDE_REF_VALUE_WEST}
 *                  ) of the equator</li>
 *                  </ul>
 * @return the decimal degree-value for the given input, negative when west of
 * 0-meridian or south of equator, positive otherwise
 * @throws IllegalArgumentException if {@code degMinSec} doesn't have length 3 or if {@code ref} is
 *                                  not one of the values mentioned above
 */
public static double degMinSecToDouble(RationalNumber[] degMinSec, String ref) {
    if (degMinSec == null || degMinSec.length != 3) {
        throw new IllegalArgumentException("Array's length must be 3.");
    }
    for (int i = 0; i < 3; i++) {
        if (degMinSec[i] == null)
            throw new IllegalArgumentException("Null value in array.");
    }

    switch (ref) {
    case GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF_VALUE_NORTH:
    case GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF_VALUE_SOUTH:
    case GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF_VALUE_EAST:
    case GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF_VALUE_WEST:
        break;
    default:
        throw new IllegalArgumentException("Invalid ref.");
    }

    double result = degMinSec[0].doubleValue(); // degrees
    result += degMinSec[1].doubleValue() / 60; // minutes
    result += degMinSec[2].doubleValue() / 3600; // seconds

    if (GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF_VALUE_SOUTH.equals(ref)
            || GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF_VALUE_WEST.equals(ref)) {
        result *= -1;
    }

    result = 360 * ((result + 180) / 360 - Math.floor((result + 180) / 360)) - 180;
    return result;
}

---