initial pretty (at one size lol)

main
Dessa Simpson 2024-07-14 14:02:00 -07:00
parent bc5f5932f1
commit 10693ff1f4
2 changed files with 46 additions and 20 deletions

View File

@ -34,22 +34,26 @@ from moons import backgrounds
# If you change the aspect ratio, the canned backgrounds won't work.
ASPECTRATIO = 0.5
def putmoon(pctphase, lines, atfiller, hemisphere): # pylint: disable=too-many-locals,too-many-branches,too-many-statements,too-many-arguments
"""Print the moon"""
def putmoon(fracphase, lines, hemisphere, atfiller='@'): # pylint: disable=too-many-locals,too-many-branches,too-many-statements,too-many-arguments
"""Print the moon
Arguments:
fracphase: A float 0 <= n < 1 representing the current point in the cycle
lines: An integer representing the number of lines in the output
hemisphere: A string 'north' or 'south' representing the observer's hemisphere
atfiller: What character to use in place of '@'
"""
output = ""
def putchar(char):
nonlocal output
output += char
# Find the length of the atfiller string
atflrlen = len(atfiller)
# Fix waxes and wanes direction for south hemisphere
if hemisphere == 'south':
pctphase = 1 - pctphase
fracphase = 1 - pctphase
angphase = pctphase * 2.0 * math.pi
angphase = fracphase * 2.0 * math.pi
mcap = -math.cos(angphase)
# Figure out how big the moon is
@ -75,7 +79,7 @@ def putmoon(pctphase, lines, atfiller, hemisphere): # pylint: disable=too-many-
# Now output the slice
col = 0
while col < colleft:
putchar(' ')
output += ' '
col += 1
while col <= colright:
if hemisphere == 'north':
@ -97,13 +101,13 @@ def putmoon(pctphase, lines, atfiller, hemisphere): # pylint: disable=too-many-
"!!!!!!"))
if char != '@':
putchar(char)
output += char
else:
putchar(atfiller[atflridx])
output += atfiller[atflridx]
atflridx = (atflridx + 1) % atflrlen
col += 1
putchar('\n')
output += '\n'
lin += 1
return output

View File

@ -26,6 +26,28 @@ def to_timestr(t, date=False, local=True):
return t.strftime('%Y-%m-%d %H:%M:%S')
return t.strftime('%H:%M:%S')
def fmt(cols, t, az, el, phase, illum, moonrise, transit, moonset, hemi):
"""Formats data into string to print"""
_date = t.utc_datetime().astimezone().strftime('%Y-%m-%d %H:%M:%S') # 18 chars
_azel = f"Az:{az.degrees:.0f}° El:{el.degrees:.0f}°".ljust(16) # 16 chars
_phil = f"Ph: {phase.degrees:.0f}° Ill:{illum*100:.0f}%".rjust(16) # 16 chars
_r = f"R:{to_timestr(moonrise)}" # 10 chars
_t = f"T:{to_timestr(transit)}" # 10 chars
_s = f"S:{to_timestr(moonset)}" # 10 chars
# TODO: 21 needs to scale
_moon = putmoon(phase.degrees/360, 21, hemi) # ! scalable width
# 2 groups of spacing, filling cols minus total RTS width
_rts_spacing = ' '*int((cols-30)/2)
ret = f"{_date.center(cols)}\n"
ret += f"{_azel}{' '*(cols-32)}{_phil}\n"
# split moon on newlines, right-pad to center moon in original width, center to center
# in new width, then rejoin with newlines and tack an extra newline on the end
ret += '\n'.join([line.ljust(44).center(cols) for line in _moon.split('\n')]) + '\n'
ret += f"{_r}{_rts_spacing}{_t}{_rts_spacing}{_s}"
return ret
def main():
"""Main function
@ -41,6 +63,10 @@ def main():
parser.add_argument("elevation",
help="Observer elevation in meters",
type=int)
parser.add_argument("-l", "--lines",
help="Number of lines for the output to use (default 25)",
default=25,
type=int)
parser.add_argument("-c", "--columns",
help="Number of columns for the output to use (default 70)",
default=70,
@ -53,15 +79,12 @@ def main():
t = ts.from_datetime(datetime.fromtimestamp(args.time, timezone.utc)) # current time
print(f"Current time: {to_timestr(t)}")
obs_geo = skyfield.api.wgs84.latlon(args.lat, args.lon,
elevation_m=args.elevation) # geographic position vector
obs = earth + obs_geo # barycentric position vector
moon_apparent = obs.at(t).observe(moon).apparent()
el, az, _ = moon_apparent.altaz('standard')
print(f"Az: {az.degrees:.0f}° El: {el.degrees:.0f}°")
# Find relevant moonrise. el is based on apparent location, so accounts
# for atmospheric refraction. y shouldn't be needed unless user is near
@ -76,17 +99,16 @@ def main():
# Find first moonset in the next 24 hours after moonrise.
moonset = almanac.find_settings(obs, moon, moonrise, moonrise+1)[0][0]
print(f"Rise: {to_timestr(moonrise)} Set: {to_timestr(moonset)}")
transit = almanac.find_transits(obs, moon, moonrise, moonrise+1)[0]
print(f"Transit: {to_timestr(transit)}")
phase = almanac.moon_phase(eph, t)
print(f"Phase: {phase.degrees:.0f}°")
illum = moon_apparent.fraction_illuminated(sun)
print(f"Illumination: {illum*100:.0f}%")
hemi = 'north' if args.lat > 0 else 'south'
print(putmoon(phase.degrees/360, 21, '@', 'north' if args.lat > 0 else 'south'))
#print(phase.degrees/360*100)
#print(putmoon(phase.degrees/360, 21, 'north' if args.lat > 0 else 'south'))
print(fmt(args.columns, t, az, el, phase, illum, moonrise, transit, moonset, hemi))
#print(putmoon(phase.degrees/360, 21, '@', hemi))
main()