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nautical.py
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nautical.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2024 Andrew Bauer
# Copyright (C) 2014 Enno Rodegerdts
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
# NOTE: the new format statement requires a literal '{' to be entered as '{{',
# and a literal '}' to be entered as '}}'. The old '%' format specifier
# will be removed from Python at some later time. See:
# https://docs.python.org/3/whatsnew/3.0.html#pep-3101-a-new-approach-to-string-formatting
# NOTE: As mentioned by Klaus Höppner in "Typesetting tables with LaTeX", 'tabular*'
# style tables often (surprisingly) expand the space between columns.
# Switiching to 'tabular' style has the effect that the first column
# varies in width, e.g. as "Wed" is wider than "Fri".
# Also column 'v' in the Moon table, e.g. e.g. 6.9' versus 15.3'.
# Also column 'd' in the Moon table, e.g. e.g. -8.2' versus -13.9'.
# 'Tabular' table style normally permits column width specification only for
# (left-justified) paragraph column content (with the 'p' column specifier).
# A workaround is to use 'tabularx' table style and set the custom width
# to the maximum column width on variable column-width columns. However -
# \multicolumn entries must not cross any X-column, so it's out of question.
# A solution to extending the column specifiers on a 'tabular' table style
# with left-, center- and right-justified data plus a column width specifier
# is possible: https://de.wikibooks.org/wiki/LaTeX-W%C3%B6rterbuch:_tabular
# This works, but again increases the overall table width unnecessarily.
# Conclusion/Resolution:
# The following code now uses the 'tabular' table style without any
# column width specifiers - thus table widths vary slightly from page to page.
###### Standard library imports ######
# don't confuse the 'date' method with the 'Date' variable!
from datetime import date, datetime, timedelta
import sys # required for .stdout.write()
import signal # for init_worker
from math import cos, copysign, pi
###### Local application imports ######
#from alma_ephem import magnitudes
import config
if config.MULTIpr: # in multi-processing mode ...
# ! DO NOT PLACE imports IN CONDITIONAL 'if'-STATEMENTS WHEN MULTI-PROCESSING !
import multiprocessing as mp
from functools import partial
# ... following is still required for SINGLE-PROCESSING (in multi-processing mode):
from alma_skyfield import ariesGHA, venusGHA, marsGHA, jupiterGHA, saturnGHA, sunGHA, moonGHA, moonVD, sunSD, moonSD, vdm_Venus, vdm_Mars, vdm_Jupiter, vdm_Saturn, ariestransit, stellar_info, planetstransit, moonage, moonphase, equation_of_time, getDUT1, find_new_moon
# ... following is required for MULTI-PROCESSING:
from mp_nautical import mp_twilight, mp_moonrise_set, mp_planetstransit, hor_parallax, mp_planetGHA, mp_sunmoon
else:
# ... following is required for SINGLE-PROCESSING:
from alma_skyfield import ariesGHA, venusGHA, marsGHA, jupiterGHA, saturnGHA, sunGHA, moonGHA, moonVD, sunSD, moonSD, vdm_Venus, vdm_Mars, vdm_Jupiter, vdm_Saturn, ariestransit, stellar_info, planetstransit, twilight, moonrise_set, moonage, moonphase, equation_of_time, getDUT1, find_new_moon
UpperLists = [[], [], []] # moon GHA per hour for 3 days
LowerLists = [[], [], []] # moon colong GHA per hour for 3 days
msg0 = "\nKeyboardInterrupt detected - multiprocessing aborted."
#------------------------
# internal functions
#------------------------
def fmtdate(d):
if config.pgsz == 'Letter': return d.strftime("%m/%d/%Y")
return d.strftime("%d.%m.%Y")
def fmtdates(d1,d2):
if config.pgsz == 'Letter': return d1.strftime("%m/%d/%Y") + " - " + d2.strftime("%m/%d/%Y")
return d1.strftime("%d.%m.%Y") + " - " + d2.strftime("%d.%m.%Y")
def buildUPlists(n, ghaSoD, ghaPerHour, ghaEoD):
# build list of hourly GHA values with modified start and end time to
# account for rounding times to the minute where 23:59:>30 rounds up
# 00:00 the next day.
UpperLists[n] = [-1.0 for x in range(25)]
UpperLists[n][0] = ghaSoD
for i in range(23):
UpperLists[n][i+1] = ghaPerHour[i+1]
UpperLists[n][24] = ghaEoD
return
def buildLOWlists(n, ghaSoD, ghaPerHour, ghaEoD):
# build list of hourly GHA colong values with modified start and end
# time to account for rounding times to the minute where 23:59:>30
# rounds up 00:00 the next day.
LowerLists[n] = [-1.0 for x in range(25)]
LowerLists[n][0] = GHAcolong(ghaSoD)
for i in range(23):
LowerLists[n][i+1] = GHAcolong(ghaPerHour[i+1])
LowerLists[n][24] = GHAcolong(ghaEoD)
return
def GHAcolong(gha):
# return the colongitude, e.g. 270° returns 90° and 90° returns 270°
coGHA = gha + 180
while coGHA > 360:
coGHA = coGHA - 360
return coGHA
def declCompare(prev_deg, curr_deg, next_deg, hr):
# for Declinations only...
# decide if to print N/S; decide if to print degrees
# note: the first three arguments are declinations in degrees (float)
prNS = False
prDEG = False
psign = copysign(1.0,prev_deg)
csign = copysign(1.0,curr_deg)
nsign = copysign(1.0,next_deg)
pdeg = abs(prev_deg)
cdeg = abs(curr_deg)
ndeg = abs(next_deg)
pdegi = int(pdeg)
cdegi = int(cdeg)
ndegi = int(ndeg)
pmin = round((pdeg-pdegi)*60, 1) # minutes (float), rounded to 1 decimal place
cmin = round((cdeg-cdegi)*60, 1) # minutes (float), rounded to 1 decimal place
nmin = round((ndeg-ndegi)*60, 1) # minutes (float), rounded to 1 decimal place
pmini = int(pmin)
cmini = int(cmin)
nmini = int(nmin)
if pmini == 60:
pmin -= 60
pdegi += 1
if cmini == 60:
cmin -= 60
cdegi += 1
if nmini == 60:
nmin -= 60
ndegi += 1
# now we have the values in degrees+minutes as printed
if hr%6 == 0:
prNS = True # print N/S for hour = 0, 6, 12, 18
else:
if psign != csign:
prNS = True # print N/S if previous sign different
if hr < 23:
if csign != nsign:
prNS = True # print N/S if next sign different
if prNS == False:
if pdegi != cdegi:
prDEG = True # print degrees if changed since previous value
if cdegi != ndegi:
prDEG = True # print degrees if next value is changed
else:
prDEG= True # print degrees is N/S to be printed
return prNS, prDEG
def NSdecl(deg, hr, printNS, printDEG, modernFMT):
# reformat degrees latitude to Ndd°mm.m or Sdd°mm.m
if deg[0:1] == '-':
hemisph = 'S'
deg = deg[1:]
else:
hemisph = 'N'
if not(printDEG):
deg = deg[10:] # skip the degrees (always dd°mm.m) - note: the degree symbol '$^\circ$' is eight bytes long
if (hr+3)%6 == 0:
deg = r'''\raisebox{0.24ex}{\boldmath$\cdot$~\boldmath$\cdot$~~}''' + deg
if modernFMT:
if printNS or hr%6 == 0:
sdeg = r'''\textcolor{{blue}}{{{}}}'''.format(hemisph) + deg
else:
sdeg = deg
else:
if printNS or hr%6 == 0:
sdeg = r'''\textbf{{{}}}'''.format(hemisph) + deg
else:
sdeg = deg
#print("sdeg: ", sdeg)
return sdeg
def NSdeg(deg, modern=False, hr=0, forceNS=False):
# reformat degrees latitude to Ndd°mm.m or Sdd°mm.m
if deg[0:1] == '-':
hemisph = 'S'
deg = deg[1:]
else:
hemisph = 'N'
if modern:
if forceNS or hr%6 == 0:
sdeg = r'''\textcolor{{blue}}{{{}}}'''.format(hemisph) + deg
else:
sdeg = deg
else:
if forceNS or hr%6 == 0:
sdeg = r'''\textbf{{{}}}'''.format(hemisph) + deg
else:
sdeg = deg
return sdeg, hemisph
def lunatikz(phase):
# argument: moon phase (0:new to π:full to 2π:new)
# returns the code for a moon image overlaid with a shadow (pardon the function name)
f = 0.01 # empirical fudge factor to position moon's shadow exactly over image
radius = 0.375 # moon image radius (cm)
xstart = radius + f
diam = 0.75 # moon image diameter (cm)
top = diam + f # top of moon (cm)
bottom = 0.0 + f # bottom of moon (cm)
if phase < pi*0.5: # new moon to 1st quarter
ystart = top
fr_angle = 90 # trace a semicircle anticlockwise from top to bottom
to_angle = 270
ret_angle = -90 # trace an ellipse anticlockwise from bottom to top
end_angle = 90
xradius = cos(phase) * radius
elif phase < pi: # 1st quarter to full moon
ystart = top
fr_angle = 90 # trace a semicircle anticlockwise from top to bottom
to_angle = 270
ret_angle = 270 # trace an ellipse clockwise from bottom to top
end_angle = 90
xradius = abs(cos(phase)) * radius
elif phase < pi*1.5: # full moon to 3rd quarter
ystart = bottom
fr_angle = -90 # trace a semicircle anticlockwise from bottom to top
to_angle = 90
ret_angle = 90 # trace an ellipse clockwise from top to bottom
end_angle = -90
xradius = abs(cos(phase)) * radius
else: # 3rd quarter to new moon
ystart = bottom
fr_angle = -90 # trace a semicircle anticlockwise from bottom to top
to_angle = 90
ret_angle = 90 # trace an ellipse anticlockwise from top to bottom
end_angle = 270
xradius = cos(phase) * radius
if config.dockerized: # DOCKER ONLY
fn = "../croppedmoon.png"
else:
fn = "croppedmoon.png"
tikz = r'''\multicolumn{{1}}{{|c|}}{{\multirow{{3}}{{*}}
{{\begin{{tikzpicture}}
\node[anchor=south west,inner sep=0] at (0,0) {{\includegraphics[width=0.75cm]{{{}}}}};
\path [fill=darknight, opacity=0.75] ({:5.3f},{:5.3f}) arc [x radius=0.375, y radius=0.375, start angle={:d}, end angle={:d}] arc [x radius={:f}, y radius=0.375, start angle={:d}, end angle={:d}];
\end{{tikzpicture}}}}}}\\
'''.format(fn, xstart, ystart, fr_angle, to_angle, xradius, ret_angle, end_angle)
return tikz
def double_events_found(m1, m2):
# check for two moonrise/moonset events on the same day & latitude
dbl = False
for i in range(len(m1)):
if m2[i] != '--:--':
dbl = True
return dbl
def twilight_symbol(oldtwi):
twi = []
for event in oldtwi:
if event == '--:--':
twi.append('\mytwilightsymbol{1.0ex}')
else: twi.append(event)
return twi
# >>>>>>>>>>>>>>>>>>>>>>>>
def mp_planetGHA_worker(Date, ts, obj):
#print(" mp_planetGHA_worker Start {}".format(obj))
gha = mp_planetGHA(Date, ts, obj) # ===>>> mp_nautical.py
#print(" mp_planetGHA_worker Finish {}".format(obj))
return gha # return list for four planets and Aries
def planetstab(Date, ts):
# generates a LaTeX table for the navigational plantets (traditional style)
# OLD: \begin{tabular*}{0.74\textwidth}[t]{@{\extracolsep{\fill}}|c|r|rr|rr|rr|rr|}
tab = r'''\noindent
\setlength{\tabcolsep}{5.8pt} % default 6pt
\begin{tabular}[t]{|c|r|rr|rr|rr|rr|}
\multicolumn{1}{c}{\normalsize{}} & \multicolumn{1}{c}{\normalsize{Aries}} & \multicolumn{2}{c}{\normalsize{Venus}}& \multicolumn{2}{c}{\normalsize{Mars}} & \multicolumn{2}{c}{\normalsize{Jupiter}} & \multicolumn{2}{c}{\normalsize{Saturn}}\\
'''
# note: 74% table width above removes "Overfull \hbox (1.65279pt too wide)"
n = 0
while n < 3:
tab = tab + r'''\hline
\rule{{0pt}}{{2.4ex}}\textbf{{{}}} & \multicolumn{{1}}{{c|}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{Dec}}}}\\
\hline\rule{{0pt}}{{2.6ex}}\noindent
'''.format(Date.strftime("%a"))
if config.MULTIpr and config.WINpf:
global pool
# multiprocess 'SHA + transit times' simultaneously
objlist = ['aries', 'venus', 'mars', 'jupiter', 'saturn']
partial_func2 = partial(mp_planetGHA_worker, Date, ts)
try:
# RECOMMENDED: chunksize = 1
listofGHA = pool.map(partial_func2, objlist, 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
aGHA = listofGHA[0][0]
vGHA = listofGHA[1][0]
vDEC = listofGHA[1][1]
vDEG = listofGHA[1][2]
mGHA = listofGHA[2][0]
mDEC = listofGHA[2][1]
mDEG = listofGHA[2][2]
jGHA = listofGHA[3][0]
jDEC = listofGHA[3][1]
jDEG = listofGHA[3][2]
sGHA = listofGHA[4][0]
sDEC = listofGHA[4][1]
sDEG = listofGHA[4][2]
else:
aGHA = ariesGHA(Date)
vGHA, vDEC, vDEG = venusGHA(Date)
mGHA, mDEC, mDEG = marsGHA(Date)
jGHA, jDEC, jDEG = jupiterGHA(Date)
sGHA, sDEC, sDEG = saturnGHA(Date)
h = 0
if config.decf != '+': # USNO format for Declination
while h < 24:
if h > 0:
prevDECv = vDEG[h-1]
prevDECm = mDEG[h-1]
prevDECj = jDEG[h-1]
prevDECs = sDEG[h-1]
else:
prevDECv = vDEG[0] # hour -1 = hour 0
prevDECm = mDEG[0] # hour -1 = hour 0
prevDECj = jDEG[0] # hour -1 = hour 0
prevDECs = sDEG[0] # hour -1 = hour 0
if h < 23:
nextDECv = vDEG[h+1]
nextDECm = mDEG[h+1]
nextDECj = jDEG[h+1]
nextDECs = sDEG[h+1]
else:
nextDECv = vDEG[23] # hour 24 = hour 23
nextDECm = mDEG[23] # hour 24 = hour 23
nextDECj = jDEG[23] # hour 24 = hour 23
nextDECs = sDEG[23] # hour 24 = hour 23
# format declination checking for hemisphere change
printNS, printDEG = declCompare(prevDECv,vDEG[h],nextDECv,h)
vdec = NSdecl(vDEC[h],h,printNS,printDEG,False)
printNS, printDEG = declCompare(prevDECm,mDEG[h],nextDECm,h)
mdec = NSdecl(mDEC[h],h,printNS,printDEG,False)
printNS, printDEG = declCompare(prevDECj,jDEG[h],nextDECj,h)
jdec = NSdecl(jDEC[h],h,printNS,printDEG,False)
printNS, printDEG = declCompare(prevDECs,sDEG[h],nextDECs,h)
sdec = NSdecl(sDEC[h],h,printNS,printDEG,False)
line = "{} & {} & {} & {} & {} & {} & {} & {} & {} & {}".format(h,aGHA[h],vGHA[h],vdec,mGHA[h],mdec,jGHA[h],jdec,sGHA[h],sdec)
lineterminator = r'''\\
'''
if h < 23 and (h+1)%6 == 0:
lineterminator = r'''\\[2Pt]
'''
tab = tab + line + lineterminator
h += 1
else: # Positive/Negative Declinations
while h < 24:
line = r'''{} & {} & {} & {} & {} & {} & {} & {} & {} & {}'''.format(h,aGHA[h],vGHA[h],vDEC[h],mGHA[h],mDEC[h],jGHA[h],jDEC[h],sGHA[h],sDEC[h])
lineterminator = r'''\\
'''
if h < 23 and (h+1)%6 == 0:
lineterminator = r'''\\[2Pt]
'''
tab = tab + line + lineterminator
h += 1
#mag_v, mag_m, mag_j, mag_s = magnitudes(Date) # magnitudes from Ephem
RAc_v, Dc_v, mag_v = vdm_Venus(Date)
RAc_m, Dc_m, mag_m = vdm_Mars(Date) # in Skyfield >= 1.40
RAc_j, Dc_j, mag_j = vdm_Jupiter(Date)
RAc_s, Dc_s, mag_s = vdm_Saturn(Date) # in Skyfield >= 1.40
tab = tab + r'''\hline
\multicolumn{{2}}{{|c|}}{{\rule{{0pt}}{{2.4ex}}Mer.pass. {}}} &
\multicolumn{{2}}{{c|}}{{\(\nu\) {}$'$ \emph{{d}} {}$'$ m {}}} &
\multicolumn{{2}}{{c|}}{{\(\nu\) {}$'$ \emph{{d}} {}$'$ m {}}} &
\multicolumn{{2}}{{c|}}{{\(\nu\) {}$'$ \emph{{d}} {}$'$ m {}}} &
\multicolumn{{2}}{{c|}}{{\(\nu\) {}$'$ \emph{{d}} {}$'$ m {}}}\\
\hline
\multicolumn{{10}}{{c}}{{}}\\
'''.format(ariestransit(Date+timedelta(days=1)),RAc_v,Dc_v,mag_v,RAc_m,Dc_m,mag_m,RAc_j,Dc_j,mag_j,RAc_s,Dc_s,mag_s)
n += 1
Date += timedelta(days=1)
tab = tab + r'''\end{tabular}
'''
return tab
# >>>>>>>>>>>>>>>>>>>>>>>>
def planetstabm(Date, ts):
# generates a LaTeX table for the navigational plantets (modern style)
tab = r'''\vspace{6Pt}\noindent
\renewcommand{\arraystretch}{1.1}
\setlength{\tabcolsep}{4pt} % default 6pt
\begin{tabular}[t]{crcrrcrrcrrcrr}
\multicolumn{1}{c}{\normalsize{h}} &
\multicolumn{1}{c}{\normalsize{Aries}} & &
\multicolumn{2}{c}{\normalsize{Venus}}& &
\multicolumn{2}{c}{\normalsize{Mars}} & &
\multicolumn{2}{c}{\normalsize{Jupiter}} & &
\multicolumn{2}{c}{\normalsize{Saturn}}\\
\cmidrule{2-2} \cmidrule{4-5} \cmidrule{7-8} \cmidrule{10-11} \cmidrule{13-14}'''
n = 0
while n < 3:
tab = tab + r'''
\multicolumn{{1}}{{c}}{{\textbf{{{}}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} &&
\multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} && \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} && \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} && \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}}\\
'''.format(Date.strftime("%a"))
if config.MULTIpr and config.WINpf:
# multiprocess 'SHA + transit times' simultaneously
objlist = ['aries', 'venus', 'mars', 'jupiter', 'saturn']
partial_func2 = partial(mp_planetGHA_worker, Date, ts)
try:
# RECOMMENDED: chunksize = 1
listofGHA = pool.map(partial_func2, objlist, 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
aGHA = listofGHA[0][0]
vGHA = listofGHA[1][0]
vDEC = listofGHA[1][1]
vDEG = listofGHA[1][2]
mGHA = listofGHA[2][0]
mDEC = listofGHA[2][1]
mDEG = listofGHA[2][2]
jGHA = listofGHA[3][0]
jDEC = listofGHA[3][1]
jDEG = listofGHA[3][2]
sGHA = listofGHA[4][0]
sDEC = listofGHA[4][1]
sDEG = listofGHA[4][2]
else:
aGHA = ariesGHA(Date)
vGHA, vDEC, vDEG = venusGHA(Date)
mGHA, mDEC, mDEG = marsGHA(Date)
jGHA, jDEC, jDEG = jupiterGHA(Date)
sGHA, sDEC, sDEG = saturnGHA(Date)
h = 0
if config.decf != '+': # USNO format for Declination
while h < 24:
band = int(h/6)
group = band % 2
if h > 0:
prevDECv = vDEG[h-1]
prevDECm = mDEG[h-1]
prevDECj = jDEG[h-1]
prevDECs = sDEG[h-1]
else:
prevDECv = vDEG[0] # hour -1 = hour 0
prevDECm = mDEG[0] # hour -1 = hour 0
prevDECj = jDEG[0] # hour -1 = hour 0
prevDECs = sDEG[0] # hour -1 = hour 0
if h < 23:
nextDECv = vDEG[h+1]
nextDECm = mDEG[h+1]
nextDECj = jDEG[h+1]
nextDECs = sDEG[h+1]
else:
nextDECv = vDEG[23] # hour 24 = hour 23
nextDECm = mDEG[23] # hour 24 = hour 23
nextDECj = jDEG[23] # hour 24 = hour 23
nextDECs = sDEG[23] # hour 24 = hour 23
# format declination checking for hemisphere change
printNS, printDEG = declCompare(prevDECv,vDEG[h],nextDECv,h)
vdec = NSdecl(vDEC[h],h,printNS,printDEG,True)
printNS, printDEG = declCompare(prevDECm,mDEG[h],nextDECm,h)
mdec = NSdecl(mDEC[h],h,printNS,printDEG,True)
printNS, printDEG = declCompare(prevDECj,jDEG[h],nextDECj,h)
jdec = NSdecl(jDEC[h],h,printNS,printDEG,True)
printNS, printDEG = declCompare(prevDECs,sDEG[h],nextDECs,h)
sdec = NSdecl(sDEC[h],h,printNS,printDEG,True)
line = r'''\color{{blue}}{{{}}} & '''.format(h)
line = line + r'''{} && {} & {} && {} & {} && {} & {} && {} & {} \\
'''.format(aGHA[h],vGHA[h],vdec,mGHA[h],mdec,jGHA[h],jdec,sGHA[h],sdec)
if group == 1:
tab = tab + r'''\rowcolor{LightCyan}
'''
tab = tab + line
h += 1
else: # Positive/Negative Declinations
while h < 24:
band = int(h/6)
group = band % 2
line = r'''\color{{blue}}{{{}}} & '''.format(h)
line = line + r'''{} && {} & {} && {} & {} && {} & {} && {} & {} \\
'''.format(aGHA[h],vGHA[h],vDEC[h],mGHA[h],mDEC[h],jGHA[h],jDEC[h],sGHA[h],sDEC[h])
if group == 1:
tab = tab + r'''\rowcolor{LightCyan}
'''
tab = tab + line
h += 1
#mag_v, mag_m, mag_j, mag_s = magnitudes(Date) # magnitudes from Ephem
RAc_v, Dc_v, mag_v = vdm_Venus(Date)
RAc_m, Dc_m, mag_m = vdm_Mars(Date) # in Skyfield >= 1.40
RAc_j, Dc_j, mag_j = vdm_Jupiter(Date)
RAc_s, Dc_s, mag_s = vdm_Saturn(Date) # in Skyfield >= 1.40
tab = tab + r'''\cmidrule{{1-2}} \cmidrule{{4-5}} \cmidrule{{7-8}} \cmidrule{{10-11}} \cmidrule{{13-14}}
\multicolumn{{2}}{{c}}{{\footnotesize{{Mer.pass. {}}}}} &&
\multicolumn{{2}}{{c}}{{\footnotesize{{\(\nu\){}$'$ \emph{{d}}{}$'$ m{}}}}} &&
\multicolumn{{2}}{{c}}{{\footnotesize{{\(\nu\){}$'$ \emph{{d}}{}$'$ m{}}}}} &&
\multicolumn{{2}}{{c}}{{\footnotesize{{\(\nu\){}$'$ \emph{{d}}{}$'$ m{}}}}} &&
\multicolumn{{2}}{{c}}{{\footnotesize{{\(\nu\){}$'$ \emph{{d}}{}$'$ m{}}}}}\\
\cmidrule{{1-2}} \cmidrule{{4-5}} \cmidrule{{7-8}} \cmidrule{{10-11}} \cmidrule{{13-14}}
'''.format(ariestransit(Date+timedelta(days=1)),RAc_v,Dc_v,mag_v,RAc_m,Dc_m,mag_m,RAc_j,Dc_j,mag_j,RAc_s,Dc_s,mag_s)
if n < 2:
vsep = ""
if config.pgsz == "Letter":
vsep = "[-2.0ex]"
# add space between tables...
tab = tab + r'''\multicolumn{{10}}{{c}}{{}}\\{}'''.format(vsep)
n += 1
Date += timedelta(days=1)
tab = tab+r'''\end{tabular}\quad
'''
return tab
# >>>>>>>>>>>>>>>>>>>>>>>>
def mp_planets_worker(Date, ts, obj):
#print(" mp_planets_worker Start {}".format(obj))
sha = mp_planetstransit(Date, ts, obj) # ===>>> mp_nautical.py
#print(" mp_planets_worker Finish {}".format(obj))
return sha # return list for four planets
def starstab(Date, ts):
# returns a table with ephemerides for the navigational stars
# OLD: \begin{tabular*}{0.251\textwidth}[t]{@{\extracolsep{\fill}}|rrr|}
# OLD: note: 0.251 instead of 0.25 (above) prevents an "Overfull \hbox (0.14297pt too wide)" message on about 5 specific pages in the full year (moonimg=True)
if config.tbls == "m":
out = r'''\renewcommand{\arraystretch}{1.1}
\setlength{\tabcolsep}{4pt} % default 6pt
\begin{tabular}[t]{|rrr|}
\multicolumn{3}{c}{\normalsize{Stars}}\\
\hline
& \multicolumn{1}{c}{\multirow{2}{*}{\textbf{SHA}}}
& \multicolumn{1}{c|}{\multirow{2}{*}{\textbf{Dec}}}\\
& & \multicolumn{1}{c|}{} \\
'''
else:
out = r'''\setlength{\tabcolsep}{5pt} % default 6pt
\begin{tabular}[t]{|rrr|}
\multicolumn{3}{c}{\normalsize{Stars}}\\
\hline
\rule{0pt}{2.4ex} & \multicolumn{1}{c}{\textbf{SHA}} & \multicolumn{1}{c|}{\textbf{Dec}}\\
\hline\rule{0pt}{2.6ex}\noindent
'''
stars = stellar_info(Date + timedelta(days=1))
for i in range(len(stars)):
out = out + r'''{} & {} & {} \\
'''.format(stars[i][0],stars[i][1],stars[i][2])
m = r'''\hline
'''
# returns 3 tables with SHA & Mer.pass for Venus, Mars, Jupiter and Saturn
for i in range(3):
dt = Date + timedelta(days=i)
datestr = r'''{} {} {}'''.format(dt.strftime("%b"), dt.strftime("%d"), dt.strftime("%a"))
m = m + '''\hline
'''
if config.tbls == "m":
m = m + r'''& & \multicolumn{{1}}{{r|}}{{}}\\[-2.0ex]
\multicolumn{{1}}{{|r}}{{\textbf{{{}}}}}
& \multicolumn{{1}}{{c}}{{\textbf{{SHA}}}}
& \multicolumn{{1}}{{r|}}{{\textbf{{Mer.pass}}}}\\
'''.format(datestr)
else:
m = m + r'''& & \multicolumn{{1}}{{r|}}{{}}\\[-2.0ex]
\textbf{{{}}} & \textbf{{SHA}} & \textbf{{Mer.pass}}\\
'''.format(datestr)
datex = Date + timedelta(days=i)
if config.MULTIpr and config.WINpf:
# multiprocess 'SHA + transit times' simultaneously
objlist = ['venus', 'mars', 'jupiter', 'saturn']
partial_func2 = partial(mp_planets_worker, datex, ts)
try:
# RECOMMENDED: chunksize = 1
listofsha = pool.map(partial_func2, objlist, 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
for k in range(len(listofsha)):
config.stopwatch += listofsha[k][2] # accumulate multiprocess processing time
del listofsha[k][-1]
p = [item for sublist in listofsha for item in sublist]
p.extend(hor_parallax(datex, ts))
else:
p = planetstransit(datex)
m = m + r'''Venus & {} & {} \\
'''.format(p[0],p[1])
m = m + r'''Mars & {} & {} \\
'''.format(p[2],p[3])
m = m + r'''Jupiter & {} & {} \\
'''.format(p[4],p[5])
m = m + r'''Saturn & {} & {} \\
'''.format(p[6],p[7])
m = m + r'''\hline
'''
out = out + m
# returns a table with Horizontal parallax for Venus and Mars
hp = r'''\hline
'''
hp = hp + r'''& & \multicolumn{1}{r|}{}\\[-2.5ex]
\multicolumn{2}{|r}{\rule{0pt}{2.6ex}\textbf{Horizontal parallax}} & \multicolumn{1}{c|}{}\\
'''
hp = hp + r'''\multicolumn{{2}}{{|r}}{{Venus:}} & \multicolumn{{1}}{{c|}}{{{}}} \\
'''.format(p[9])
hp = hp + r'''\multicolumn{{2}}{{|r}}{{Mars:}} & \multicolumn{{1}}{{c|}}{{{}}} \\
'''.format(p[8])
hp = hp + r'''\hline
'''
out = out + hp
out = out + r'''\end{tabular}'''
return out
# >>>>>>>>>>>>>>>>>>>>>>>>
def mp_sunmoon_worker(Date, d_valNA, ts, n):
# split the work by date into 3 separate days
sunmoondata = mp_sunmoon(Date, d_valNA, ts, n) # ===>>> mp_nautical.py
return sunmoondata
def sunmoontab(Date, ts):
# generates LaTeX table for sun and moon (traditional style)
# OLD: \begin{tabular*}{0.54\textwidth}[t]{@{\extracolsep{\fill}}|c|rr|rrrrr|}
# OLD note: 54% table width above removes "Overfull \hbox (1.65279pt too wide)"
# and "Underfull \hbox (badness 10000)"
# note: table may have different widths due to the 1st column (e.g. Fri versus Wed)
# note: table may have different widths due to the 'v' column (e.g. 6.9' versus 15.3')
# note: table may have different widths due to the 'd' column (e.g. 8.2' versus -13.9')
if config.MULTIpr and config.WINpf:
# multiprocess sunmoontab values per "Date" simultaneously
partial_func = partial(mp_sunmoon_worker, Date, config.d_valNA, ts)
try:
sunmoonlist = pool.map(partial_func, [nn for nn in range(3)], 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
tab = r'''\noindent
\setlength{\tabcolsep}{5.8pt} % default 6pt
\begin{tabular}[t]{|c|rr|rrrrr|}
\multicolumn{1}{c}{\normalsize{h}}& \multicolumn{2}{c}{\normalsize{Sun}} & \multicolumn{5}{c}{\normalsize{Moon}}\\
'''
n = 0
while n < 3:
tab = tab + r'''\hline
\multicolumn{{1}}{{|c|}}{{\rule{{0pt}}{{2.6ex}}\textbf{{{}}}}} &\multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\(\nu\)}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textit{{d}}}} & \multicolumn{{1}}{{c|}}{{\textbf{{HP}}}}\\
\hline\rule{{0pt}}{{2.6ex}}\noindent
'''.format(Date.strftime("%a"))
# note: inline math mode is used to typeset the greek character 'nu'
if config.MULTIpr and config.WINpf:
ghas = sunmoonlist[n][0]
decs = sunmoonlist[n][1]
degs = sunmoonlist[n][2]
gham = sunmoonlist[n][3]
decm = sunmoonlist[n][4]
degm = sunmoonlist[n][5]
HPm = sunmoonlist[n][6]
GHAupper = sunmoonlist[n][7]
GHAlower = sunmoonlist[n][8]
ghaSoD = sunmoonlist[n][9]
ghaEoD = sunmoonlist[n][10]
vmin = sunmoonlist[n][11]
dmin = sunmoonlist[n][12]
else:
Date0 = Date - timedelta(days=1)
ghas, decs, degs = sunGHA(Date)
gham, decm, degm, HPm, GHAupper, GHAlower, ghaSoD, ghaEoD = moonGHA(Date)
vmin, dmin = moonVD(Date0,Date)
buildUPlists(n, ghaSoD, GHAupper, ghaEoD)
buildLOWlists(n, ghaSoD, GHAupper, ghaEoD)
h = 0
if config.decf != '+': # USNO format for Declination
mlastNS = ''
while h < 24:
if h > 0:
prevDECs = degs[h-1]
prevDECm = degm[h-1]
else:
prevDECs = degs[0] # hour -1 = hour 0
prevDECm = degm[0] # hour -1 = hour 0
if h < 23:
nextDECs = degs[h+1]
nextDECm = degm[h+1]
else:
nextDECs = degs[23] # hour 24 = hour 23
nextDECm = degm[23] # hour 24 = hour 23
# format declination checking for hemisphere change
printNS, printDEG = declCompare(prevDECs,degs[h],nextDECs,h)
sdec = NSdecl(decs[h],h,printNS,printDEG,False)
mdec, mNS = NSdeg(decm[h],False,h)
if mNS != mlastNS or copysign(1.0,prevDECm) != copysign(1.0,nextDECm):
mdec, mNS = NSdeg(decm[h],False,h,True) # force N/S
mlastNS = mNS
line = r'''{} & {} & {} & {} & {} & {} & {} & {}'''.format(h,ghas[h],sdec,gham[h],vmin[h],mdec,dmin[h],HPm[h])
lineterminator = r'''\\
'''
if h < 23 and (h+1)%6 == 0:
lineterminator = r'''\\[2Pt]
'''
tab = tab + line + lineterminator
h += 1
else: # Positive/Negative Declinations
while h < 24:
line = r'''{} & {} & {} & {} & {} & {} & {} & {}'''.format(h,ghas[h],decs[h],gham[h],vmin[h],decm[h],dmin[h],HPm[h])
lineterminator = r'''\\
'''
if h < 23 and (h+1)%6 == 0:
lineterminator = r'''\\[2Pt]
'''
tab = tab + line + lineterminator
h += 1
sds, dsm = sunSD(Date)
sdmm = moonSD(Date)
tab = tab + r'''\hline
\rule{{0pt}}{{2.4ex}} & \multicolumn{{1}}{{c}}{{SD = {}$'$}} & \multicolumn{{1}}{{c|}}{{\textit{{d}} = {}$'$}} & \multicolumn{{5}}{{c|}}{{SD = {}$'$}}\\
\hline
'''.format(sds,dsm,sdmm)
if n < 2:
# add space between tables...
tab = tab + r'''\multicolumn{7}{c}{}\\[-1.5ex]'''
n += 1
Date += timedelta(days=1)
tab = tab + r'''\end{tabular}
'''
return tab
# >>>>>>>>>>>>>>>>>>>>>>>>
def sunmoontabm(Date, ts):
# generates LaTeX table for sun and moon (modern style)
if config.MULTIpr and config.WINpf:
# multiprocess sunmoontab values per "Date" simultaneously
partial_func = partial(mp_sunmoon_worker, Date, config.d_valNA, ts)
try:
sunmoonlist = pool.map(partial_func, [nn for nn in range(3)], 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
tab = r'''\noindent
\renewcommand{\arraystretch}{1.1}
\setlength{\tabcolsep}{4pt} % default 6pt
\quad
\begin{tabular}[t]{crrcrrrrr}
\multicolumn{1}{c}{\normalsize{h}} &
\multicolumn{2}{c}{\normalsize{Sun}} & &
\multicolumn{5}{c}{\normalsize{Moon}}\\
\cmidrule{2-3} \cmidrule{5-9}'''
# note: \quad\quad above shifts all tables to the right (still within margins)
n = 0
while n < 3:
tab = tab + r'''
\multicolumn{{1}}{{c}}{{\textbf{{{}}}}} & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} & & \multicolumn{{1}}{{c}}{{\textbf{{GHA}}}} & \multicolumn{{1}}{{c}}{{\(\nu\)}} & \multicolumn{{1}}{{c}}{{\textbf{{Dec}}}} & \multicolumn{{1}}{{c}}{{\textit{{d}}}} & \multicolumn{{1}}{{c}}{{\textbf{{HP}}}}\\
'''.format(Date.strftime("%a"))
if config.MULTIpr and config.WINpf:
ghas = sunmoonlist[n][0]
decs = sunmoonlist[n][1]
degs = sunmoonlist[n][2]
gham = sunmoonlist[n][3]
decm = sunmoonlist[n][4]
degm = sunmoonlist[n][5]
HPm = sunmoonlist[n][6]
GHAupper = sunmoonlist[n][7]
GHAlower = sunmoonlist[n][8]
ghaSoD = sunmoonlist[n][9]
ghaEoD = sunmoonlist[n][10]
vmin = sunmoonlist[n][11]
dmin = sunmoonlist[n][12]
else:
Date0 = Date - timedelta(days=1)
ghas, decs, degs = sunGHA(Date)
gham, decm, degm, HPm, GHAupper, GHAlower, ghaSoD, ghaEoD = moonGHA(Date)
vmin, dmin = moonVD(Date0,Date)
buildUPlists(n, ghaSoD, GHAupper, ghaEoD)
buildLOWlists(n, ghaSoD, GHAupper, ghaEoD)
h = 0
if config.decf != '+': # USNO format for Declination
mlastNS = ''
while h < 24:
band = int(h/6)
group = band % 2
if h > 0:
prevDECs = degs[h-1]
prevDECm = degm[h-1]
else:
prevDECs = degs[0] # hour -1 = hour 0
prevDECm = degm[0] # hour -1 = hour 0
if h < 23:
nextDECs = degs[h+1]
nextDECm = degm[h+1]
else:
nextDECs = degs[23] # hour 24 = hour 23
nextDECm = degm[23] # hour 24 = hour 23
# format declination checking for hemisphere change
printNS, printDEG = declCompare(prevDECs,degs[h],nextDECs,h)
sdec = NSdecl(decs[h],h,printNS,printDEG,True)
mdec, mNS = NSdeg(decm[h],True,h)
if mNS != mlastNS or copysign(1.0,prevDECm) != copysign(1.0,nextDECm):
mdec, mNS = NSdeg(decm[h],True,h,True) # force NS
mlastNS = mNS
line = r'''\color{{blue}}{{{}}} & '''.format(h)
line = line + r'''{} & {} && {} & {} & {} & {} & {} \\
'''.format(ghas[h],sdec,gham[h],vmin[h],mdec,dmin[h],HPm[h])
if group == 1:
tab = tab + r'''\rowcolor{LightCyan}
'''
tab = tab + line
h += 1
else: # Positive/Negative Declinations
while h < 24:
band = int(h/6)
group = band % 2
line = r'''\color{{blue}}{{{}}} & '''.format(h)
line = line + r'''{} & {} && {} & {} & {} & {} & {} \\
'''.format(ghas[h],decs[h],gham[h],vmin[h],decm[h],dmin[h],HPm[h])
if group == 1:
tab = tab + r'''\rowcolor{LightCyan}
'''
tab = tab + line
h += 1
sds, dsm = sunSD(Date)
sdmm = moonSD(Date)
tab = tab + r'''\cmidrule{{2-3}} \cmidrule{{5-9}}
\multicolumn{{1}}{{c}}{{}} & \multicolumn{{1}}{{c}}{{\footnotesize{{SD = {}$'$}}}} &
\multicolumn{{1}}{{c}}{{\footnotesize{{\textit{{d}} = {}$'$}}}} && \multicolumn{{5}}{{c}}{{\footnotesize{{SD = {}$'$}}}}\\
\cmidrule{{2-3}} \cmidrule{{5-9}}
'''.format(sds,dsm,sdmm)
if n < 2:
vsep = "[-1.5ex]"
if config.pgsz == "Letter":
vsep = "[-2.0ex]"
# add space between tables...
tab = tab + r'''\multicolumn{{7}}{{c}}{{}}\\{}'''.format(vsep)
n += 1
Date += timedelta(days=1)
tab = tab + r'''\end{tabular}\quad\quad
'''
return tab
# >>>>>>>>>>>>>>>>>>>>>>>>
# create a list of 'moon above/below horizon' states per Latitude...
# None = unknown; True = above horizon (visible); False = below horizon (not visible)
# The moon above/below status is stored at 3-day intervals, i.e. when multiprocessing "1st day",
# the previous day's status is stored here (except on the first day to be processed).
# Multiprocessing does not confuse the states as every three days it waits for all data.
# Note: the size of moonvisible MUST equal the size of config.lat
moonvisible = [None] * 31 # moonvisible[0] up to moonvisible[30]
def mp_twilight_worker(Date, ts, lat):
#print(" mp_twilight_worker Start {}".format(lat))
hemisph = 'N' if lat >= 0 else 'S'
twi = mp_twilight(Date, lat, ts) # ===>>> mp_nautical.py
#print(" mp_twilight_worker Finish {}".format(lat))
return twi # return list for all latitudes
def mp_moonlight_worker(Date, ts, lat, mstate):
#print(" mp_moonlight_worker Start {}".format(lat))
hemisph = 'N' if lat >= 0 else 'S'
ml = mp_moonrise_set(Date, lat, mstate, ts) # ===>>> mp_nautical.py
#print(" mp_moonlight_worker Finish {}".format(lat))
return ml # return list for all latitudes
def twilighttab(Date, ts):
# returns the sun twilight and moonrise/moonset tables, finally EoT data
if config.MULTIpr:
# multiprocess twilight values for "Date+1" per latitude simultaneously
# Date+1 to calculate for the second day (three days are printed on one page)
partial_func = partial(mp_twilight_worker, Date+timedelta(days=1), ts)
try:
# RECOMMENDED: chunksize = 1
listoftwi = pool.map(partial_func, config.lat, 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
for k in range(len(listoftwi)):
config.stopwatch += listoftwi[k][6] # accumulate multiprocess processing time
del listoftwi[k][-1]
# multiprocess moonlight values for "Date, Date+1, Date+2" per latitude simultaneously
data = [(config.lat[ii], moonvisible[ii]) for ii in range(len(config.lat))]
partial_func2 = partial(mp_moonlight_worker, Date, ts) # list of tuples
try:
# RECOMMENDED: chunksize = 1
listmoon = pool.starmap(partial_func2, data, 1)
except KeyboardInterrupt:
print(msg0)
sys.exit(0)
#print("listmoon = {}".format(listmoon))
for k in range(len(listmoon)):
tuple_seeks = listmoon[k][-1]
config.moonDataSeeks += tuple_seeks[0] # count of moonrise or set seeks
config.moonHorizonSeeks += tuple_seeks[1] # count of horizon seeks
moonvisible[k] = tuple_seeks[2] # updated moon state
del listmoon[k][-1]
tuple_times = listmoon[k][-1]
config.stopwatch += tuple_times[0] # accumulate multiprocess processing time
config.stopwatch2 += tuple_times[1] # accumulate multiprocess processing time
del listmoon[k][-1]
#print("listmoon = {}".format(listmoon))
# Sun Twilight tables ...........................................
#lat = [72,70,68,66,64,62,60,58,56,54,52,50,45,40,35,30,20,10,0, -10,-20,-30,-35,-40,-45,-50,-52,-54,-56,-58,-60]
latNS = [72, 70, 58, 40, 10, -10, -50, -60]
# OLD: \begin{tabular*}{0.45\textwidth}[t]{@{\extracolsep{\fill}}|r|ccc|ccc|}
if config.tbls == "m":
# The header begins with a thin empty row as top padding; and the top row with
# bold text has some padding below it. This result gives a balanced impression.
tab = r'''\renewcommand{\arraystretch}{1.05}
\setlength{\tabcolsep}{5pt} % default 6pt
\begin{tabular}[t]{|r|ccc|ccc|}
\multicolumn{7}{c}{\normalsize{}}\\
\hline
\multicolumn{1}{|c|}{} & & & \multicolumn{1}{|c|}{} & \multicolumn{1}{c|}{} & & \multicolumn{1}{c|}{}\\[-2.0ex]
\multicolumn{1}{|c|}{\multirow{2}{*}{\textbf{Lat.}}} &
\multicolumn{2}{c}{\footnotesize{\textbf{Twilight}}} &
\multicolumn{1}{|c|}{\multirow{2}{*}{\textbf{Sunrise}}} &
\multicolumn{1}{c|}{\multirow{2}{*}{\textbf{Sunset}}} &
\multicolumn{2}{c|}{\footnotesize{\textbf{Twilight}}}\\[0.6ex]
\multicolumn{1}{|c|}{} &
\multicolumn{1}{c}{Naut.} &
\multicolumn{1}{c}{Civil} &
\multicolumn{1}{|c|}{} &
\multicolumn{1}{c|}{} &
\multicolumn{1}{c}{Civil} &
\multicolumn{1}{c|}{Naut.}\\
\hline\rule{0pt}{2.6ex}\noindent
'''
else:
tab = r'''\setlength{\tabcolsep}{5.8pt} % default 6pt
\begin{tabular}[t]{|r|ccc|ccc|}
\multicolumn{7}{c}{\normalsize{}}\\
\hline
\multicolumn{1}{|c|}{\rule{0pt}{2.4ex}\multirow{2}{*}{\textbf{Lat.}}} &
\multicolumn{2}{c}{\textbf{Twilight}} &
\multicolumn{1}{|c|}{\multirow{2}{*}{\textbf{Sunrise}}} &
\multicolumn{1}{c|}{\multirow{2}{*}{\textbf{Sunset}}} &
\multicolumn{2}{c|}{\textbf{Twilight}}\\
\multicolumn{1}{|c|}{} &
\multicolumn{1}{c}{Naut.} &
\multicolumn{1}{c}{Civil} &