def initializeSensor(self, starFile=None):
if(starFile==None)|(type(starFile) is not str):
raise ValueError("StarSensor.initializeSensor: An input text file is required to load stars.")
#Handling Exception when file doesn't exist.
if(os.path.isfile(starFile)):
pass
else:
raise ValueError("StarSensor.initializeSensor: No such file exist. Please check whether the name is correct.")
self.starsCatalog = StarCatalog.StarCatalog()
count = self.starsCatalog.loadCatalog(starFile)
self.isInitialized = True
return count
'''
Created on Sep 7, 2015
@author: XING
'''
import CA01.prod.StarCatalog as StarCatalog
# -------------- __init__ -----------------------------
# Instantiate a star catalog
stars = StarCatalog.StarCatalog()
# -------------- loadCatalog -----------------------------
# Load the catalog with a valid file
# The return value will be a count of the number of stars loaded
starCount = stars.loadCatalog(starFile="SaoChart.txt") #(starFile="try.txt")
print starCount
# Attempts to load the catalog using a non-existent file or
# a file that does not contain legitimate star information
# should result in a ValueError exception bearing a
# diagnostic message.
try:
stars.loadCatalog(starFile="aValidStarFile.txt")
except ValueError as e:
diagnosticString1 = e.args[0]
# -------------- getStarCount -----------------------------
# Get a count of stars with magnitudes between 2 and 5, inclusive.
starsBetween2And5 = stars.getStarCount(2, 5)
print starsBetween2And5
# Get a count of stars with magnitudes .LE. 5.
''' import CA02.prod.StarSensor as StarSensor from CA02.prod import Environment import CA01.prod.StarCatalog as StarCatalog import math ss = StarSensor.StarSensor(0.034906585) a = ss.initializeSensor(starFile='SaoCharts.txt') env = Environment.Environment() a = env.getTime() env.setRotationalPeriod(microseconds=1000000) c = ss.configure(env) sCat = StarCatalog.StarCatalog() sCat.loadCatalog(starFile='SaoCharts.txt') s = sCat.getMagnitude(0, math.pi / 2, 0.034906585) print 24 * 60 * 60 * 1000000 / 2 print env.getTime() print 'yo' x = ss.serviceRequest() print 'yo' print x print env.getTime() env.incrementTime(21600000000 * 3 - env.getTime()) print 'yo' print env.getTime() x = ss.serviceRequest() print x