.. | .. |
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4 | 4 | |
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5 | 5 | import timeflow.data.time.*; |
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6 | 6 | |
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7 | | -public class AxisTicMarks { |
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8 | | - public TimeUnit unit; |
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9 | | - public List<Long> tics; |
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10 | | - |
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11 | | - private static final TimeUnit[] units={ |
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12 | | - TimeUnit.YEAR, TimeUnit.MONTH, TimeUnit.DAY, TimeUnit.HOUR, TimeUnit.MINUTE, TimeUnit.SECOND |
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13 | | - }; |
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14 | | - |
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15 | | - private static final TimeUnit[] histUnits={ |
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16 | | - TimeUnit.YEAR.times(100), TimeUnit.YEAR.times(50), TimeUnit.YEAR.times(25), |
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17 | | - TimeUnit.YEAR.times(10), TimeUnit.YEAR.times(5), TimeUnit.YEAR.times(2), TimeUnit.YEAR, |
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18 | | - TimeUnit.MONTH.times(6), TimeUnit.MONTH.times(3), TimeUnit.MONTH.times(2), TimeUnit.MONTH, |
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19 | | - TimeUnit.WEEK, TimeUnit.DAY.times(2), TimeUnit.DAY, |
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| 7 | +public class AxisTicMarks |
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| 8 | +{ |
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| 9 | + public TimeUnit unit; |
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| 10 | + public List<Long> tics; |
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| 11 | + private static final TimeUnit[] units = |
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| 12 | + { |
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| 13 | + TimeUnit.YEAR, TimeUnit.MONTH, TimeUnit.DAY, TimeUnit.HOUR, TimeUnit.MINUTE, TimeUnit.SECOND, TimeUnit.REALTIME |
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| 14 | + }; |
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| 15 | + private static final TimeUnit[] histUnits = |
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| 16 | + { |
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| 17 | + TimeUnit.YEAR.times(100), TimeUnit.YEAR.times(50), TimeUnit.YEAR.times(25), |
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| 18 | + TimeUnit.YEAR.times(10), TimeUnit.YEAR.times(5), TimeUnit.YEAR.times(2), TimeUnit.YEAR, |
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| 19 | + TimeUnit.MONTH.times(6), TimeUnit.MONTH.times(3), TimeUnit.MONTH.times(2), TimeUnit.MONTH, |
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| 20 | + TimeUnit.WEEK, TimeUnit.DAY.times(2), TimeUnit.DAY, |
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| 21 | + TimeUnit.HOUR, |
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| 22 | + TimeUnit.MINUTE, |
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| 23 | + TimeUnit.SECOND, |
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| 24 | + TimeUnit.REALTIME |
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| 25 | + }; |
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20 | 26 | |
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21 | | - TimeUnit.HOUR, |
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22 | | - TimeUnit.MINUTE, |
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23 | | - TimeUnit.SECOND |
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24 | | - }; |
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25 | | - |
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26 | | - public AxisTicMarks(TimeUnit unit, long start, long end) |
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27 | | - { |
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28 | | - this.unit=unit; |
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29 | | - tics=new ArrayList<Long>(); |
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30 | | - RoughTime r=unit.roundDown(start); |
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31 | | - tics.add(r.getTime()); |
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32 | | - do |
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33 | | - { |
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34 | | - unit.addTo(r); |
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35 | | - tics.add(r.getTime()); |
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36 | | - } while (r.getTime()<end); |
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37 | | - } |
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38 | | - |
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39 | | - |
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40 | | - |
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41 | | - public static List<AxisTicMarks> allRelevant(Interval interval) |
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42 | | - { |
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43 | | - return allRelevant(interval.start, interval.end); |
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44 | | - } |
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45 | | - |
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46 | | - public static List<AxisTicMarks> allRelevant(long start, long end) |
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47 | | - { |
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48 | | - return allRelevant(start, end, 40); |
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49 | | - } |
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50 | | - |
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51 | | - public static AxisTicMarks histoTics(long start, long end) |
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52 | | - { |
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53 | | - for (int i=histUnits.length-1; i>=0; i--) |
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54 | | - { |
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55 | | - TimeUnit u=histUnits[i]; |
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56 | | - long estimate=u.approxNumInRange(start, end); |
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57 | | - if (estimate<200 || i==0) |
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58 | | - { |
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59 | | - AxisTicMarks t=new AxisTicMarks(u, start, end); |
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60 | | - return t; |
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61 | | - } |
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62 | | - } |
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63 | | - return null; |
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64 | | - } |
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65 | | - |
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66 | | - public static List<AxisTicMarks> allRelevant(long start, long end, long maxTics) |
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67 | | - { |
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68 | | - List<AxisTicMarks> list=new ArrayList<AxisTicMarks>(); |
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69 | | - |
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70 | | - |
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71 | | - for (int i=0; i<units.length; i++) |
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72 | | - { |
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73 | | - TimeUnit u=units[i]; |
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74 | | - long estimate=u.approxNumInRange(start, end); |
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75 | | - |
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76 | | - if (estimate<maxTics) |
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77 | | - { |
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78 | | - AxisTicMarks t=new AxisTicMarks(u, start, end); |
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79 | | - if (list.size()>0) |
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80 | | - { |
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81 | | - AxisTicMarks last=list.get(0); |
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82 | | - if (last.tics.size()==t.tics.size()) |
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83 | | - list.remove(0); |
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84 | | - } |
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85 | | - list.add(t); |
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86 | | - |
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87 | | - } |
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88 | | - } |
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89 | | - while (list.size()>2) |
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90 | | - list.remove(0); |
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91 | | - |
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92 | | - if (list.size()==0) // uh oh! must be many years. we will add in bigger increments. |
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93 | | - { |
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94 | | - long length=end-start; |
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95 | | - long size=365*24*60*60*1000L; |
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96 | | - int m=1; |
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97 | | - maxTics=15; |
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98 | | - while (m<2000000000 && length/(m*size)>maxTics) |
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99 | | - { |
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100 | | - if (length/(2*m*size)<=maxTics) |
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101 | | - { |
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102 | | - m*=2; |
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103 | | - break; |
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104 | | - } |
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105 | | - if (length/(5*m*size)<=maxTics) |
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106 | | - { |
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107 | | - m*=5; |
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108 | | - break; |
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109 | | - } |
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110 | | - m*=10; |
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111 | | - } |
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112 | | - AxisTicMarks t=new AxisTicMarks(TimeUnit.multipleYears(m), start, end); |
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113 | | - list.add(t); |
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114 | | - } |
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115 | | - return list; |
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116 | | - } |
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| 27 | + public AxisTicMarks(TimeUnit unit, long start, long end) |
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| 28 | + { |
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| 29 | + this.unit = unit; |
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| 30 | + tics = new ArrayList<Long>(); |
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| 31 | + RoughTime r = unit.roundDown(start); |
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| 32 | + tics.add(r.getTime()); |
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| 33 | + do |
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| 34 | + { |
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| 35 | + unit.addTo(r); |
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| 36 | + tics.add(r.getTime()); |
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| 37 | + } while (r.getTime() < end); |
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| 38 | + } |
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| 39 | + |
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| 40 | + public static List<AxisTicMarks> allRelevant(Interval interval) |
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| 41 | + { |
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| 42 | + return allRelevant(interval.start, interval.end); |
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| 43 | + } |
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| 44 | + |
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| 45 | + public static List<AxisTicMarks> allRelevant(long start, long end) |
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| 46 | + { |
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| 47 | + return allRelevant(start, end, 4000); |
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| 48 | + } |
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| 49 | + |
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| 50 | + public static AxisTicMarks histoTics(long start, long end) |
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| 51 | + { |
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| 52 | + for (int i = histUnits.length; --i >= 0;) |
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| 53 | + { |
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| 54 | + TimeUnit u = histUnits[i]; |
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| 55 | + long estimate = u.approxNumInRange(start, end); |
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| 56 | + if (estimate < 200 || i == 0) |
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| 57 | + { |
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| 58 | + if (i == 17) |
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| 59 | + i = 17; |
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| 60 | + |
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| 61 | + AxisTicMarks t = new AxisTicMarks(u, start, end); |
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| 62 | + return t; |
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| 63 | + } |
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| 64 | + } |
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| 65 | + return null; |
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| 66 | + } |
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| 67 | + |
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| 68 | + public static List<AxisTicMarks> allRelevant(long start, long end, long maxTics) |
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| 69 | + { |
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| 70 | + List<AxisTicMarks> list = new ArrayList<AxisTicMarks>(); |
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| 71 | + |
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| 72 | + for (int i = 0; i < units.length; i++) |
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| 73 | + { |
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| 74 | + TimeUnit u = units[i]; |
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| 75 | + long estimate = u.approxNumInRange(start, end); |
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| 76 | + |
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| 77 | + if (estimate < maxTics) |
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| 78 | + { |
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| 79 | + AxisTicMarks t = new AxisTicMarks(u, start, end); |
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| 80 | + if (list.size() > 0) |
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| 81 | + { |
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| 82 | + AxisTicMarks last = list.get(0); |
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| 83 | + if (last.tics.size() == t.tics.size()) |
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| 84 | + { |
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| 85 | + list.remove(0); |
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| 86 | + } |
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| 87 | + } |
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| 88 | + list.add(t); |
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| 89 | + |
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| 90 | + } |
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| 91 | + } |
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| 92 | + while (list.size() > 2) |
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| 93 | + { |
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| 94 | + list.remove(0); |
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| 95 | + } |
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| 96 | + |
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| 97 | + if (list.size() == 0) // uh oh! must be many years. we will add in bigger increments. |
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| 98 | + { |
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| 99 | + long length = end - start; |
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| 100 | + long size = 365 * 24 * 60 * 60 * 1000L; |
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| 101 | + int m = 1; |
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| 102 | + maxTics = 15; |
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| 103 | + while (m < 2000000000 && length / (m * size) > maxTics) |
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| 104 | + { |
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| 105 | + if (length / (2 * m * size) <= maxTics) |
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| 106 | + { |
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| 107 | + m *= 2; |
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| 108 | + break; |
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| 109 | + } |
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| 110 | + if (length / (5 * m * size) <= maxTics) |
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| 111 | + { |
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| 112 | + m *= 5; |
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| 113 | + break; |
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| 114 | + } |
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| 115 | + m *= 10; |
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| 116 | + } |
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| 117 | + AxisTicMarks t = new AxisTicMarks(TimeUnit.multipleYears(m), start, end); |
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| 118 | + list.add(t); |
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| 119 | + } |
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| 120 | + return list; |
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| 121 | + } |
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117 | 122 | } |
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