- startDate = this.dateWindow_[0];
- endDate = this.dateWindow_[1];
- } else {
- startDate = this.rawData_[0][0];
- endDate = this.rawData_[this.rawData_.length - 1][0];
- }
-
- var xTicks = this.attr_('xTicker')(startDate, endDate, this);
- this.layout_.updateOptions({xTicks: xTicks});
-};
-
-// Time granularity enumeration
-Dygraph.SECONDLY = 0;
-Dygraph.TWO_SECONDLY = 1;
-Dygraph.FIVE_SECONDLY = 2;
-Dygraph.TEN_SECONDLY = 3;
-Dygraph.THIRTY_SECONDLY = 4;
-Dygraph.MINUTELY = 5;
-Dygraph.TWO_MINUTELY = 6;
-Dygraph.FIVE_MINUTELY = 7;
-Dygraph.TEN_MINUTELY = 8;
-Dygraph.THIRTY_MINUTELY = 9;
-Dygraph.HOURLY = 10;
-Dygraph.TWO_HOURLY = 11;
-Dygraph.SIX_HOURLY = 12;
-Dygraph.DAILY = 13;
-Dygraph.WEEKLY = 14;
-Dygraph.MONTHLY = 15;
-Dygraph.QUARTERLY = 16;
-Dygraph.BIANNUAL = 17;
-Dygraph.ANNUAL = 18;
-Dygraph.DECADAL = 19;
-Dygraph.NUM_GRANULARITIES = 20;
-
-Dygraph.SHORT_SPACINGS = [];
-Dygraph.SHORT_SPACINGS[Dygraph.SECONDLY] = 1000 * 1;
-Dygraph.SHORT_SPACINGS[Dygraph.TWO_SECONDLY] = 1000 * 2;
-Dygraph.SHORT_SPACINGS[Dygraph.FIVE_SECONDLY] = 1000 * 5;
-Dygraph.SHORT_SPACINGS[Dygraph.TEN_SECONDLY] = 1000 * 10;
-Dygraph.SHORT_SPACINGS[Dygraph.THIRTY_SECONDLY] = 1000 * 30;
-Dygraph.SHORT_SPACINGS[Dygraph.MINUTELY] = 1000 * 60;
-Dygraph.SHORT_SPACINGS[Dygraph.TWO_MINUTELY] = 1000 * 60 * 2;
-Dygraph.SHORT_SPACINGS[Dygraph.FIVE_MINUTELY] = 1000 * 60 * 5;
-Dygraph.SHORT_SPACINGS[Dygraph.TEN_MINUTELY] = 1000 * 60 * 10;
-Dygraph.SHORT_SPACINGS[Dygraph.THIRTY_MINUTELY] = 1000 * 60 * 30;
-Dygraph.SHORT_SPACINGS[Dygraph.HOURLY] = 1000 * 3600;
-Dygraph.SHORT_SPACINGS[Dygraph.TWO_HOURLY] = 1000 * 3600 * 2;
-Dygraph.SHORT_SPACINGS[Dygraph.SIX_HOURLY] = 1000 * 3600 * 6;
-Dygraph.SHORT_SPACINGS[Dygraph.DAILY] = 1000 * 86400;
-Dygraph.SHORT_SPACINGS[Dygraph.WEEKLY] = 1000 * 604800;
-
-// NumXTicks()
-//
-// If we used this time granularity, how many ticks would there be?
-// This is only an approximation, but it's generally good enough.
-//
-Dygraph.prototype.NumXTicks = function(start_time, end_time, granularity) {
- if (granularity < Dygraph.MONTHLY) {
- // Generate one tick mark for every fixed interval of time.
- var spacing = Dygraph.SHORT_SPACINGS[granularity];
- return Math.floor(0.5 + 1.0 * (end_time - start_time) / spacing);
- } else {
- var year_mod = 1; // e.g. to only print one point every 10 years.
- var num_months = 12;
- if (granularity == Dygraph.QUARTERLY) num_months = 3;
- if (granularity == Dygraph.BIANNUAL) num_months = 2;
- if (granularity == Dygraph.ANNUAL) num_months = 1;
- if (granularity == Dygraph.DECADAL) { num_months = 1; year_mod = 10; }
-
- var msInYear = 365.2524 * 24 * 3600 * 1000;
- var num_years = 1.0 * (end_time - start_time) / msInYear;
- return Math.floor(0.5 + 1.0 * num_years * num_months / year_mod);
- }
-};
-
-// GetXAxis()
-//
-// Construct an x-axis of nicely-formatted times on meaningful boundaries
-// (e.g. 'Jan 09' rather than 'Jan 22, 2009').
-//
-// Returns an array containing {v: millis, label: label} dictionaries.
-//
-Dygraph.prototype.GetXAxis = function(start_time, end_time, granularity) {
- var formatter = this.attr_("xAxisLabelFormatter");
- var ticks = [];
- if (granularity < Dygraph.MONTHLY) {
- // Generate one tick mark for every fixed interval of time.
- var spacing = Dygraph.SHORT_SPACINGS[granularity];
- var format = '%d%b'; // e.g. "1Jan"
-
- // Find a time less than start_time which occurs on a "nice" time boundary
- // for this granularity.
- var g = spacing / 1000;
- var d = new Date(start_time);
- if (g <= 60) { // seconds
- var x = d.getSeconds(); d.setSeconds(x - x % g);
- } else {
- d.setSeconds(0);
- g /= 60;
- if (g <= 60) { // minutes
- var x = d.getMinutes(); d.setMinutes(x - x % g);
- } else {
- d.setMinutes(0);
- g /= 60;
-
- if (g <= 24) { // days
- var x = d.getHours(); d.setHours(x - x % g);
- } else {
- d.setHours(0);
- g /= 24;
-
- if (g == 7) { // one week
- d.setDate(d.getDate() - d.getDay());
- }
- }
- }
- }
- start_time = d.getTime();
-
- for (var t = start_time; t <= end_time; t += spacing) {
- ticks.push({ v:t, label: formatter(new Date(t), granularity) });
- }