def listTrips():
"""
Given latitude data segment the data into trips
"""
path = Journey.Path.fromJson(request.json)
segtrips = Journey.segmentTrips(path)
segtrips = filter(lambda t: t.distance() > .1, segtrips)
return {"trips":[t.toJson() for t in segtrips]}
def listTrips():
"""
Given latitude data segment the data into trips
"""
path = Journey.Path.fromJson(request.json)
segtrips = Journey.segmentTrips(path)
segtrips = filter(lambda t: t.distance() > .1, segtrips)
return {"trips": [t.toJson() for t in segtrips]}
def parse_mission_file(self, input_file_name):
#Step 1: open the file
if os.path.isfile(input_file_name):
inputfile = open(input_file_name, "r")
self.success = 1
else:
dlg = wx.MessageDialog(self, "Unable to open" + input_file_name,
"EMTG Error", wx.ID_OK)
dlg.ShowModal()
dlg.Destroy()
self.success = 0
return
#Step 2: parse the file
self.ActiveJourney = -1
self.Journeys = []
linenumber = 0
for line in inputfile:
linenumber += 1
#split the line by colons
linecell = line.split(':')
if linecell[0] == "Mission":
self.mission_name = linecell[1].strip('\n')
elif linecell[0] == "Decision Vector":
DecisionCell = linecell[1].split(' ')
DecisionCell.remove('')
self.DecisionVector = []
for entry in DecisionCell:
self.DecisionVector.append(float(entry))
elif linecell[0] == "Journey":
self.ActiveJourney = int(linecell[1]) - 1
self.Journeys.append(Journey.Journey())
if self.ActiveJourney >= 0:
if linecell[0] == "Journey name":
self.Journeys[
self.ActiveJourney].journey_name = linecell[1].strip()
elif linecell[0] == "Central Body":
self.Journeys[
self.ActiveJourney].central_body = linecell[1].strip()
elif linecell[0] == "Thruster duty cycle":
self.Journeys[
self.ActiveJourney].thruster_duty_cycle = eval(
linecell[1])
elif linecell[0] == "Radius (km)":
self.Journeys[
self.ActiveJourney].central_body_radius = eval(
linecell[1])
elif linecell[0] == "mu (km^2/s^3)":
self.Journeys[self.ActiveJourney].mu = eval(linecell[1])
elif linecell[0] == "Characteristic length unit (km)":
self.Journeys[self.ActiveJourney].LU = eval(linecell[1])
self.Journeys[self.ActiveJourney].TU = math.sqrt(
self.Journeys[self.ActiveJourney].LU**3 /
self.Journeys[self.ActiveJourney].mu)
elif linecell[0] == "Boundary":
boundary_elements = linecell[1].split(' ')
boundary_state = [
float(boundary_elements[2]),
float(boundary_elements[3]),
float(boundary_elements[4]),
float(boundary_elements[5]),
float(boundary_elements[6]),
float(boundary_elements[7])
]
self.Journeys[self.ActiveJourney].boundary_states.append(
boundary_state)
elif linecell[0] == "Flyby":
flyby_elements = linecell[1].split(' ')
flyby_state = [
float(flyby_elements[3]),
float(flyby_elements[4]),
float(flyby_elements[5]),
float(flyby_elements[6]),
float(flyby_elements[7]),
float(flyby_elements[8])
]
self.Journeys[
self.ActiveJourney].flyby_periapse_states.append(
flyby_state)
elif linecell[0] == "End journey\n":
self.ActiveJourney = -1
else:
#parse event lines
inputcell = line.split('|')
if inputcell[0].strip(' ').isdigit():
tempEvent = MissionEvent.MissionEvent(inputcell)
self.Journeys[self.ActiveJourney].missionevents.append(
tempEvent)
del tempEvent
del inputcell
elif linecell[0] == "Total deltaV":
self.total_deltaV = float(linecell[1])
elif linecell[0] == "Spacecraft dry mass":
self.spacecraft_dry_mass = float(linecell[1])
elif linecell[0] == "Total propellant mass including margin":
self.total_propellant_mass_including_margin = float(
linecell[1])
elif linecell[0] == "Flight time (y)":
self.total_flight_time_years = float(linecell[1])
inputfile.close()