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| author | Aaron LI <aly@aaronly.me> | 2017-10-18 15:52:34 +0800 |
|---|---|---|
| committer | Aaron LI <aly@aaronly.me> | 2017-10-18 15:52:34 +0800 |
| commit | 3dadf7b53f28af00f3170a10629c91e8d2888e0e (patch) | |
| tree | f6201f962178ce4dfcfb45156a995dd0b541d71f | |
| parent | 4c45544689f2d24bac2be9ec37f4d1b0e9320365 (diff) | |
| download | fg21sim-3dadf7b53f28af00f3170a10629c91e8d2888e0e.tar.bz2 | |
utils/units.py: add "rad2arcmin" and some cleanup/simplifications
| -rw-r--r-- | fg21sim/utils/units.py | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/fg21sim/utils/units.py b/fg21sim/utils/units.py index b83bd02..dfe5013 100644 --- a/fg21sim/utils/units.py +++ b/fg21sim/utils/units.py @@ -21,7 +21,7 @@ class Units: """ # Unit for electron momentum (p), thus its value is the Lorentz factor # Unit: [g cm / s] - mec = ac.m_e.cgs.value*ac.c.cgs.value + mec = ac.m_e.cgs.value * ac.c.cgs.value # Energy of a still electron # Unit: [erg] mec2 = (ac.m_e * ac.c**2).to(au.erg).value @@ -36,42 +36,46 @@ class UnitConversions: """ # Mass Msun2g = au.solMass.to(au.g) - g2Msun = au.g.to(au.solMass) + g2Msun = 1.0 / Msun2g # Time Gyr2s = au.Gyr.to(au.s) - s2Gyr = au.s.to(au.Gyr) + s2Gyr = 1.0 / Gyr2s # Length kpc2m = au.kpc.to(au.m) - m2kpc = au.m.to(au.kpc) + m2kpc = 1.0 / kpc2m Mpc2m = au.Mpc.to(au.m) - m2Mpc = au.m.to(au.Mpc) + m2Mpc = 1.0 / Mpc2m kpc2cm = au.kpc.to(au.cm) - cm2kpc = au.cm.to(au.kpc) + cm2kpc = 1.0 / kpc2cm Mpc2cm = au.Mpc.to(au.cm) - cm2Mpc = au.cm.to(au.Mpc) + cm2Mpc = 1.0 / Mpc2cm Mpc2km = au.Mpc.to(au.km) - km2Mpc = au.km.to(au.Mpc) + km2Mpc = 1.0 / Mpc2km kpc2km = au.kpc.to(au.km) - km2kpc = au.km.to(au.kpc) + km2kpc = 1.0 / kpc2km km2cm = au.km.to(au.cm) + cm2km = 1.0 / km2cm # Energy keV2erg = au.keV.to(au.erg) + erg2keV = 1.0 / keV2erg # Angle rad2deg = au.rad.to(au.deg) - deg2rad = au.deg.to(au.rad) + deg2rad = 1.0 / rad2deg rad2arcsec = au.rad.to(au.arcsec) - arcsec2rad = au.arcsec.to(au.rad) - arcmin2deg = au.arcmin.to(au.deg) + arcsec2rad = 1.0 / rad2arcsec + rad2arcmin = au.rad.to(au.arcmin) + arcmin2rad = 1.0 / rad2arcmin deg2arcmin = au.deg.to(au.arcmin) - arcsec2deg = au.arcsec.to(au.deg) + arcmin2deg = 1.0 / deg2arcmin deg2arcsec = au.deg.to(au.arcsec) + arcsec2deg = 1.0 / deg2arcsec arcmin2arcsec = au.arcmin.to(au.arcsec) - arcsec2arcmin = au.arcsec.to(au.arcmin) + arcsec2arcmin = 1.0 / arcmin2arcsec # Temperature eV2K = au.eV.to(ac.k_B*au.K) - K2eV = 1 / eV2K + K2eV = 1.0 / eV2K keV2K = au.keV.to(ac.k_B*au.K) - K2keV = 1 / keV2K + K2keV = 1.0 / keV2K class Constants: |