Python jpl_units.Duration方法代码示例

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_axvspan_epoch():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    # generate some data
    t0 = units.Epoch("ET", dt=datetime(2009, 1, 20))
    tf = units.Epoch("ET", dt=datetime(2009, 1, 21))

    dt = units.Duration("ET", units.day.convert("sec"))

    fig = plt.figure()

    plt.axvspan(t0, tf, facecolor="blue", alpha=0.25)

    ax = plt.gca()
    ax.set_xlim(t0 - 5.0*dt, tf + 5.0*dt) 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_axhspan_epoch():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    # generate some data
    t0 = units.Epoch("ET", dt=datetime(2009, 1, 20))
    tf = units.Epoch("ET", dt=datetime(2009, 1, 21))

    dt = units.Duration("ET", units.day.convert("sec"))

    fig = plt.figure()

    plt.axhspan(t0, tf, facecolor="blue", alpha=0.25)

    ax = plt.gca()
    ax.set_ylim(t0 - 5.0*dt, tf + 5.0*dt) 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def __sub__( self, rhs ):
      """Subtract two Epoch's or a Duration from an Epoch.

      Valid:
      Duration = Epoch - Epoch
      Epoch = Epoch - Duration

      = INPUT VARIABLES
      - rhs    The Epoch to subtract.

      = RETURN VALUE
      - Returns either the duration between to Epoch's or the a new
        Epoch that is the result of subtracting a duration from an epoch.
      """
      # Delay-load due to circular dependencies.
      import matplotlib.testing.jpl_units as U

      # Handle Epoch - Duration
      if isinstance( rhs, U.Duration ):
         return self + -rhs

      t = self
      if self._frame != rhs._frame:
         t = self.convert( rhs._frame )

      days = t._jd - rhs._jd
      sec = t._seconds - rhs._seconds

      return U.Duration( rhs._frame, days*86400 + sec )

   #----------------------------------------------------------------------- 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def duration2float( value ):
      """: Convert a Duration value to a float suitible for plotting as a
           python datetime object.

      = INPUT VARIABLES
      - value   A Duration or list of Durations that need to be converted.

      = RETURN VALUE
      - Returns the value parameter converted to floats.
      """
      return value.days()

   #------------------------------------------------------------------------ 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def convert( value, unit, axis ):
      """: Convert value using unit to a float.  If value is a sequence, return
      the converted sequence.

      = INPUT VARIABLES
      - value   The value or list of values that need to be converted.
      - unit    The units to use for an axis with Epoch data.

      = RETURN VALUE
      - Returns the value parameter converted to floats.
      """
      # Delay-load due to circular dependencies.
      import matplotlib.testing.jpl_units as U

      isNotEpoch = True
      isDuration = False

      if ( iterable(value) and not isinstance(value, str) ):
         if ( len(value) == 0 ):
            return []
         else:
            return [ EpochConverter.convert( x, unit, axis ) for x in value ]

      if ( isinstance(value, U.Epoch) ):
         isNotEpoch = False
      elif ( isinstance(value, U.Duration) ):
         isDuration = True

      if ( isNotEpoch and not isDuration and
           units.ConversionInterface.is_numlike( value ) ):
         return value

      if ( unit == None ):
         unit = EpochConverter.default_units( value, axis )

      if ( isDuration ):
         return EpochConverter.duration2float( value )
      else:
         return EpochConverter.epoch2float( value, unit )

   #------------------------------------------------------------------------ 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_fill_units():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    # generate some data
    t = units.Epoch("ET", dt=datetime(2009, 4, 27))
    value = 10.0 * units.deg
    day = units.Duration("ET", 24.0 * 60.0 * 60.0)

    fig = plt.figure()

    # Top-Left
    ax1 = fig.add_subplot(221)
    ax1.plot([t], [value], yunits='deg', color='red')
    ax1.fill([733525.0, 733525.0, 733526.0, 733526.0],
             [0.0, 0.0, 90.0, 0.0], 'b')

    # Top-Right
    ax2 = fig.add_subplot(222)
    ax2.plot([t], [value], yunits='deg', color='red')
    ax2.fill([t,      t,      t+day,     t+day],
             [0.0,  0.0,  90.0,    0.0], 'b')

    # Bottom-Left
    ax3 = fig.add_subplot(223)
    ax3.plot([t], [value], yunits='deg', color='red')
    ax3.fill([733525.0, 733525.0, 733526.0, 733526.0],
             [0*units.deg,  0*units.deg,  90*units.deg,    0*units.deg], 'b')

    # Bottom-Right
    ax4 = fig.add_subplot(224)
    ax4.plot([t], [value], yunits='deg', color='red')
    ax4.fill([t,      t,      t+day,     t+day],
             [0*units.deg,  0*units.deg,  90*units.deg,    0*units.deg],
             facecolor="blue")

    fig.autofmt_xdate() 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def __sub__(self, rhs):
        """Subtract two Epoch's or a Duration from an Epoch.

        Valid:
        Duration = Epoch - Epoch
        Epoch = Epoch - Duration

        = INPUT VARIABLES
        - rhs     The Epoch to subtract.

        = RETURN VALUE
        - Returns either the duration between to Epoch's or the a new
          Epoch that is the result of subtracting a duration from an epoch.
        """
        # Delay-load due to circular dependencies.
        import matplotlib.testing.jpl_units as U

        # Handle Epoch - Duration
        if isinstance(rhs, U.Duration):
            return self + -rhs

        t = self
        if self._frame != rhs._frame:
            t = self.convert(rhs._frame)

        days = t._jd - rhs._jd
        sec = t._seconds - rhs._seconds

        return U.Duration(rhs._frame, days*86400 + sec)

    # ----------------------------------------------------------------------- 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def duration2float(value):
        """: Convert a Duration value to a float suitible for plotting as a
              python datetime object.

        = INPUT VARIABLES
        - value    A Duration or list of Durations that need to be converted.

        = RETURN VALUE
        - Returns the value parameter converted to floats.
        """
        return value.seconds() / 86400.0

    # ----------------------------------------------------------------------- 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def convert(value, unit, axis):
        """: Convert value using unit to a float.  If value is a sequence, return
        the converted sequence.

        = INPUT VARIABLES
        - value    The value or list of values that need to be converted.
        - unit     The units to use for an axis with Epoch data.

        = RETURN VALUE
        - Returns the value parameter converted to floats.
        """
        # Delay-load due to circular dependencies.
        import matplotlib.testing.jpl_units as U

        isNotEpoch = True
        isDuration = False

        if iterable(value) and not isinstance(value, str):
            if len(value) == 0:
                return []
            else:
                return [EpochConverter.convert(x, unit, axis) for x in value]

        if isinstance(value, U.Epoch):
            isNotEpoch = False
        elif isinstance(value, U.Duration):
            isDuration = True

        if (isNotEpoch and not isDuration and
           units.ConversionInterface.is_numlike(value)):
            return value

        if unit is None:
            unit = EpochConverter.default_units(value, axis)

        if isDuration:
            return EpochConverter.duration2float(value)
        else:
            return EpochConverter.epoch2float(value, unit)

    # ----------------------------------------------------------------------- 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_fill_units():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    # generate some data
    t = units.Epoch("ET", dt=datetime(2009, 4, 27))
    value = 10.0 * units.deg
    day = units.Duration("ET", 24.0 * 60.0 * 60.0)

    fig = plt.figure()

    # Top-Left
    ax1 = fig.add_subplot(221)
    ax1.plot([t], [value], yunits='deg', color='red')
    ax1.fill([733525.0, 733525.0, 733526.0, 733526.0],
             [0.0, 0.0, 90.0, 0.0], 'b')

    # Top-Right
    ax2 = fig.add_subplot(222)
    ax2.plot([t], [value], yunits='deg', color='red')
    ax2.fill([t, t, t + day, t + day],
             [0.0, 0.0, 90.0, 0.0], 'b')

    # Bottom-Left
    ax3 = fig.add_subplot(223)
    ax3.plot([t], [value], yunits='deg', color='red')
    ax3.fill([733525.0, 733525.0, 733526.0, 733526.0],
             [0 * units.deg, 0 * units.deg, 90 * units.deg, 0 * units.deg],
             'b')

    # Bottom-Right
    ax4 = fig.add_subplot(224)
    ax4.plot([t], [value], yunits='deg', color='red')
    ax4.fill([t, t, t + day, t + day],
             [0 * units.deg, 0 * units.deg, 90 * units.deg, 0 * units.deg],
             facecolor="blue")

    fig.autofmt_xdate() 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_jpl_bar_units():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    day = units.Duration("ET", 24.0 * 60.0 * 60.0)
    x = [0*units.km, 1*units.km, 2*units.km]
    w = [1*day, 2*day, 3*day]
    b = units.Epoch("ET", dt=datetime(2009, 4, 25))

    fig, ax = plt.subplots()
    ax.bar(x, w, bottom=b)
    ax.set_ylim([b-1*day, b+w[-1]+1*day]) 

# 需要导入模块: from matplotlib.testing import jpl_units [as 别名]
# 或者: from matplotlib.testing.jpl_units import Duration [as 别名]
def test_jpl_barh_units():
    from datetime import datetime
    import matplotlib.testing.jpl_units as units
    units.register()

    day = units.Duration("ET", 24.0 * 60.0 * 60.0)
    x = [0*units.km, 1*units.km, 2*units.km]
    w = [1*day, 2*day, 3*day]
    b = units.Epoch("ET", dt=datetime(2009, 4, 25))

    fig, ax = plt.subplots()
    ax.barh(x, w, left=b)
    ax.set_xlim([b-1*day, b+w[-1]+1*day])