1 var d3_time_scaleUTCMethods = [

     2   [d3.time.seconds.utc, 1],

     3   [d3.time.seconds.utc, 5],

     4   [d3.time.seconds.utc, 15],

     5   [d3.time.seconds.utc, 30],

     6   [d3.time.minutes.utc, 1],

     7   [d3.time.minutes.utc, 5],

     8   [d3.time.minutes.utc, 15],

     9   [d3.time.minutes.utc, 30],

    10   [d3.time.hours.utc, 1],

    11   [d3.time.hours.utc, 3],

    12   [d3.time.hours.utc, 6],

    13   [d3.time.hours.utc, 12],

    14   [d3.time.days.utc, 1],

    15   [d3.time.days.utc, 2],

    16   [d3.time.weeks.utc, 1],

    17   [d3.time.months.utc, 1],

    18   [d3.time.months.utc, 3],

    19   [d3.time.years.utc, 1]

    20 ];

    21 

    22 var d3_time_scaleUTCFormats = [

    23   [d3.time.format.utc("%Y"), function(d) { return true; }],

    24   [d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],

    25   [d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],

    26   [d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],

    27   [d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],

    28   [d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],

    29   [d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds() || d.getUTCMilliseconds(); }]

    30 ];

    31 

    32 var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);

    33 

    34 d3.time.scale.utc = function() {

    35   return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);

    36 };