Updated star database to HYG v 3.5.1.

This change affects internal unit testing only.
It does not affect developers who use Astronomy Engine.
Upgraded the HYG database used for verification of
constellation calculations to v 3.5.1.

See conversation at:
https://github.com/astronexus/HYG-Database/issues/21

demo/python/stars_near_moon.py

@@ -25,7 +25,7 @@ if __name__ == '__main__':
     # the given observer at the specified time.
     moon_vec = GeoMoon(time) - ObserverVector(time, observer, False)
 
-    with open('../../generate/hygdata_v3.csv') as starfile:
+    with open('../../generate/hyg_v35_1.csv') as starfile:
         reader = csv.DictReader(starfile)
         lnum = 0
         for row in reader:

generate/.gitignore

@@ -3,7 +3,7 @@ issue_103.txt
 disable_generate_c_docs
 generate
 lnxp1600p2200.405
-hygdata_v3.csv
+hyg_v35_1.csv
 pluto_*.csv
 TOP2013.dat
 temp/

generate/hyg_v35_1.sha256

@@ -0,0 +1 @@
+110dadd61120f8e220f72e6f833dfd701ea5d510db4f28fce8a8f1a1582e8d2c  hyg_v35_1.csv

generate/hygdata_v3.sha256

@@ -1 +0,0 @@
-07a62fdcab86f319e65cb8f9bfdc5beccbae1f43a29baf55b1b937367351e299  hygdata_v3.csv

generate/make_constellation_data.py

@@ -8,14 +8,17 @@
 import sys
 import re
 
+def Unquote(s):
+    return s.replace('"', '')
+
 def Translate(inFileName, outFileName):
 
-    # Ignore disagreements with hygdata_v3.
+    # Ignore disagreements with HYG v3.5.1.
     # See: https://github.com/astronexus/HYG-Database/issues/21
     ignore = set([
-        3865, 7751, 10342, 19173, 22400, 27992, 29366,
+        3865, 7751, 19173, 27992,
         30112, 52886, 58221, 59234, 67599, 72017, 74021, 78313,
-        84413, 85957, 87694, 89105, 91382, 92907, 93308,
+        85957, 87694, 89105, 91382, 92907, 93308,
         95468, 100777, 101541, 105623
     ])
 
@@ -27,12 +30,12 @@ def Translate(inFileName, outFileName):
                 lnum += 1
                 token = line.strip().split(',')
                 if lnum == 1:
-                    columns = dict((key, col) for (col, key) in enumerate(token))
+                    columns = dict((Unquote(key), col) for (col, key) in enumerate(token))
                 else:
                     id = int(token[columns['id']])
                     ra = float(token[columns['ra']])
                     dec = float(token[columns['dec']])
-                    sym = token[columns['con']]
+                    sym = Unquote(token[columns['con']])
                     if sym != '':
                         if not re.match(r'^[A-Z][a-zA-Z]{2}$', sym):
                             print('make_constellation_data: bad symbol "{}" in {} line {}'.format(sym, inFileName, lnum))
@@ -45,4 +48,4 @@ def Translate(inFileName, outFileName):
     return 0
 
 if __name__ == '__main__':
-    sys.exit(Translate('hygdata_v3.csv', 'constellation/test_input.txt'))
+    sys.exit(Translate('hyg_v35_1.csv', 'constellation/test_input.txt'))

generate/run

@@ -70,7 +70,7 @@ Download()
 
 Download https://github.com/cosinekitty/ephemeris/raw/master/lnxp1600p2200.405 lnxp1600p2200.405 ephemeris.sha256
 Download https://github.com/cosinekitty/ephemeris/raw/master/top2013/TOP2013.dat TOP2013.dat top2013.sha256
-Download https://raw.githubusercontent.com/astronexus/HYG-Database/f09e144652f61ca8dfd473ddf5c3c708977cb3b5/hygdata_v3.csv hygdata_v3.csv hygdata_v3.sha256
+Download https://raw.githubusercontent.com/astronexus/HYG-Database/f6439fb5ae08640d7c2b19fc67fdb3f094ce78d3/hyg/v3/hyg_v35_1.csv hyg_v35_1.csv hyg_v35_1.sha256
 
 rm -f constellation/test_input.txt
 ./make_constellation_data.py || Fail "Error creating constellation test data."

generate/run.bat

@@ -3,7 +3,7 @@ setlocal EnableDelayedExpansion
 
 call :Download https://raw.githubusercontent.com/cosinekitty/ephemeris/master/lnxp1600p2200.405 lnxp1600p2200.405 ephemeris.sha256 || exit /b 1
 call :Download https://raw.githubusercontent.com/cosinekitty/ephemeris/master/top2013/TOP2013.dat TOP2013.dat top2013.sha256 || exit /b 1
-call :Download https://raw.githubusercontent.com/astronexus/HYG-Database/f09e144652f61ca8dfd473ddf5c3c708977cb3b5/hygdata_v3.csv hygdata_v3.csv hygdata_v3.sha256 || exit /b 1
+call :Download https://raw.githubusercontent.com/astronexus/HYG-Database/f6439fb5ae08640d7c2b19fc67fdb3f094ce78d3/hyg/v3/hyg_v35_1.csv hyg_v35_1.csv hyg_v35_1.sha256 || exit /b 1
 
 cd ..
 set copyright=