www.pudn.com > GPSTest.rar > DegreesMinutesSeconds.cs

#region Using directives 
 
using System; 
 
#endregion 
 
namespace Microsoft.WindowsMobile.Samples.Location 
{ 
    /// 
 
    /// class that represents a gps coordinate in degrees, minutes, and seconds.   
    /// 
 
    public class DegreesMinutesSeconds 
    { 
        int degrees; 
        /// 
 
        /// The degrees unit of the coordinate 
        /// 
 
        public int Degrees 
        { 
            get { return degrees; } 
        } 
 
        int minutes; 
        /// 
 
        /// The minutes unit of the coordinate 
        /// 
 
        public int Minutes 
        { 
            get { return minutes; } 
        } 
 
        double seconds; 
        /// 
 
        /// The seconds unit of the coordinate 
        /// 
 
        public double Seconds 
        { 
            get { return seconds; } 
        } 
 
        /// 
 
        /// Constructs a new instance of DegreesMinutesSeconds converting  
        /// from decimal degrees 
        /// 
 
        /// Initial value as decimal degrees 
        public DegreesMinutesSeconds(double decimalDegrees) 
        { 
            degrees = (int)decimalDegrees; 
             
            double doubleMinutes = (Math.Abs(decimalDegrees) - Math.Abs((double)degrees)) * 60.0; 
 
            minutes = (int)doubleMinutes; 
            seconds = (doubleMinutes - (double)minutes) * 60.0; 
        } 
 
        /// 
 
        /// Constructs a new instance of DegreesMinutesSeconds 
        /// 
 
        /// Degrees unit of the coordinate 
        /// Minutes unit of the coordinate 
        /// Seconds unit of the coordinate 
        public DegreesMinutesSeconds(int degrees, int minutes, double seconds) 
        { 
            this.degrees = degrees; 
            this.minutes = minutes; 
            this.seconds = seconds; 
        } 
 
        /// 
 
        /// Converts the decimal, minutes, seconds coordinate to  
        /// decimal degrees 
        /// 
 
        ///  
        public double ToDecimalDegrees() 
        { 
            int absDegrees = Math.Abs(degrees); 
 
            double val = (double)absDegrees + ((double)minutes / 60.0) + ((double)seconds / 3600.0); 
 
            return val * (absDegrees / degrees); 
        } 
 
        /// 
 
        /// Converts the instance to a string in format: D M' S" 
        /// 
 
        /// string representation of degrees, minutes, seconds 
        public override string ToString() 
        { 
            return degrees + "d " + minutes + "' " + seconds + "\""; 
        } 
    } 
}