## Wednesday, November 30, 2011

### Convert Decimal Degree to Degrees Minutes Seconds Using Python

Here is a function that will convert decimal degree values to degrees, minutes, and seconds.  It's nice to show DMS notation as labels for points at times, so here is a script I made to do this:
``` ```
`def decimalDegrees2DMS(value,type):`
`    """`
`        Converts a Decimal Degree Value into`
`        Degrees Minute Seconds Notation.`
`        `
`        Pass value as double`
`        type = {Latitude or Longitude} as string`
`        `
`        returns a string as D:M:S:Direction`
`        created by: anothergisblog.blogspot.com `
`    """`
`    degrees = int(value)`
`    submin = abs( (value - int(value) ) * 60)`
`    minutes = int(submin)`
`    subseconds = abs((submin-int(submin)) * 60)`
`    direction = ""`
`    if type == "Longitude":`
`        if degrees < 0:`
`            direction = "W"`
`        elif degrees > 0:`
`            direction = "E"`
`        else:`
`            direction = ""`
`    elif type == "Latitude":`
`        if degrees < 0:`
`            direction = "S"`
`        elif degrees > 0:`
`            direction = "N"`
`        else:`
`            direction = "" `
`    notation = str(degrees) + ":" + str(minutes) + ":" +\`
`               str(subseconds)[0:5] + "" + direction`
`    return notation`
``` ```
It's a very simple function, but very useful.  Feel free to use it, but give my blog some love and cite me.
Enjoy