def sanity_example1(self):
from PyAstronomy import constants as c
# Print a summary of available constants
# on screen
c.summary()
# Which unit system is in use?
print()
print("Current unit system: ", c.getSystem())
# Access a constant
print()
print("Gravitational constant: ", c.G)
# The 'f_' prefix is used as a convention. These
# attributes hold `Quantity` objects as defined in
# the `quantities` package. These encapsulate value
# and unit. The prefixless attribute holds only the
# number.
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
#Change the unit system
print()
print("Change the unit system")
c.setSystem('SI')
# Which unit system is in use?
print("Current unit system: ", c.getSystem())
# Access a constant again...
print()
print("Gravitational constant: ", c.G)
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
# Separate value and unit
print()
print("Value: ", c.f_G.magnitude, ", units: ", c.f_G.units)
# Look up details
print()
print("What exactly was G?")
c.constantDetails("G")
# Apply unit conversion
print()
print("Use some other units")
G_InFeet = c.inUnitsOf("G", "ft**3/(kg * s**2)")
print("G with feet [ft**3/(kg * s**2)]: ", G_InFeet)
def sanity_example1(self):
from PyAstronomy import constants as c
# Print a summary of available constants
# on screen
c.summary()
# Which unit system is in use?
print()
print("Current unit system: ", c.getSystem())
# Access a constant
print()
print("Gravitational constant: ", c.G)
# The 'f_' prefix is used as a convention. These
# attributes hold `Quantity` objects as defined in
# the `quantities` package. These encapsulate value
# and unit. The prefixless attribute holds only the
# number.
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
#Change the unit system
print()
print("Change the unit system")
c.setSystem('SI')
# Which unit system is in use?
print("Current unit system: ", c.getSystem())
# Access a constant again...
print()
print("Gravitational constant: ", c.G)
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
# Separate value and unit
print()
print("Value: ", c.f_G.magnitude, ", units: ", c.f_G.units)
# Look up details
print()
print("What exactly was G?")
c.constantDetails("G")
# Apply unit conversion
print()
print("Use some other units")
G_InFeet = c.inUnitsOf("G", "ft**3/(kg * s**2)")
print("G with feet [ft**3/(kg * s**2)]: ", G_InFeet)
def sanity_example2(self):
from PyAstronomy.constants import PyAConstants
c = PyAConstants()
# Which unit system is in use?
print()
print("Current unit system: ", c.getSystem())
# Access a constant
print()
print("Gravitational constant: ", c.G)
# The 'f_' prefix is used as a convention. These
# attributes hold `Quantity` objects as defined in
# the `quantities` package. These encapsulate value
# and unit. The prefixless attribute holds only the
# number.
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
def sanity_example2(self):
from PyAstronomy.constants import PyAConstants
c = PyAConstants()
# Which unit system is in use?
print()
print("Current unit system: ", c.getSystem())
# Access a constant
print()
print("Gravitational constant: ", c.G)
# The 'f_' prefix is used as a convention. These
# attributes hold `Quantity` objects as defined in
# the `quantities` package. These encapsulate value
# and unit. The prefixless attribute holds only the
# number.
print(" with unit: ", c.f_G)
print(" error with unit: ", c.f_G_err)
