1 |
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2 | from soundsched import SoundScheduler, ChecklistScheduler
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3 | from checks import SpeedChecker
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4 |
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5 | import const
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6 | import util
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7 | import time
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8 |
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9 | import threading
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10 |
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11 | #---------------------------------------------------------------------------------------
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12 |
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13 | ## @package mlx.flight
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14 | #
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15 | # The global flight state.
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16 | #
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17 | # This module defines a single class, \ref Flight, which represents the flight
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18 | # in progress.
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19 |
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20 | #---------------------------------------------------------------------------------------
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21 |
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22 | class Flight(object):
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23 | """The object with the global flight state.
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24 |
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25 | It is also the hub for the other main objects participating in the handling of
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26 | the flight."""
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27 |
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28 | # The difference in minutes from the schedule which is considered a bit big
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29 | TIME_WARNING_DIFFERENCE = 5
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30 |
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31 | # The difference in minutes from the schedule which is considered too big
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32 | TIME_ERROR_DIFFERENCE = 15
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33 |
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34 | @staticmethod
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35 | def canLogCruiseAltitude(stage):
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36 | """Determine if the cruise altitude can be logged in the given
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37 | stage."""
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38 | return stage in [const.STAGE_CRUISE, const.STAGE_DESCENT,
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39 | const.STAGE_LANDING]
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40 |
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41 | @staticmethod
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42 | def getMinutesDifference(minutes1, minutes2):
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43 | """Get the difference in minutes between the given two time
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44 | instances."""
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45 | diff1 = minutes1 - minutes2
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46 | diff2 = -1 * diff1
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47 |
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48 | if diff1 < 0: diff1 += 60*24
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49 | else: diff2 += 60*24
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50 |
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51 | diff = min(diff1, diff2)
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52 |
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53 | return -1*diff if diff2<diff1 else diff
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54 |
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55 | @staticmethod
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56 | def isTimeDifferenceTooMuch(scheduledTime, realTimestamp):
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57 | """Determine if the given real time differs to much from the scheduled
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58 | time.
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59 |
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60 | Returns a tuple of:
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61 | - a boolean indicating if the difference is enough to warrant at least
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62 | a warning
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63 | - a boolean indicating if the difference is too big, i. e. unacceptable
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64 | without explanation."""
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65 | realTime = time.gmtime(realTimestamp)
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66 |
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67 | scheduledMinute = scheduledTime.hour * 60 + scheduledTime.minute
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68 | realMinute = realTime.tm_hour * 60 + realTime.tm_min
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69 |
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70 | diff = abs(Flight.getMinutesDifference(scheduledMinute, realMinute))
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71 |
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72 | return (diff>Flight.TIME_WARNING_DIFFERENCE,
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73 | diff>Flight.TIME_ERROR_DIFFERENCE)
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74 |
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75 | def __init__(self, logger, gui):
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76 | """Construct the flight."""
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77 | self._stage = None
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78 | self.logger = logger
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79 | self._gui = gui
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80 |
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81 | gui.resetFlightStatus()
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82 |
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83 | self._pilotHotkeyPressed = False
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84 | self._checklistHotkeyPressed = False
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85 |
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86 | self.flareTimeFromFS = False
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87 |
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88 | self.aircraftType = None
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89 | self.aircraft = None
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90 | self.simulator = None
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91 |
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92 | self.blockTimeStart = None
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93 | self.flightTimeStart = None
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94 | self.climbTimeStart = None
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95 | self.cruiseTimeStart = None
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96 | self.descentTimeStart = None
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97 | self.flightTimeEnd = None
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98 | self.blockTimeEnd = None
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99 |
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100 | self._rtoState = None
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101 | self._rtoLogEntryID = None
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102 |
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103 | self._lastDistanceTime = None
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104 | self._previousLatitude = None
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105 | self._previousLongitude = None
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106 | self.flownDistance = 0.0
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107 |
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108 | self.startFuel = None
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109 | self.endFuel = None
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110 |
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111 | self._endCondition = threading.Condition()
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112 |
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113 | self._flareStart = None
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114 | self._flareStartFS = None
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115 |
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116 | self._tdRate = None
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117 |
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118 | self._soundScheduler = SoundScheduler(self)
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119 | self._checklistScheduler = ChecklistScheduler(self)
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120 |
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121 | self._maxAltitude = 0
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122 |
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123 | @property
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124 | def config(self):
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125 | """Get the configuration."""
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126 | return self._gui.config
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127 |
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128 | @property
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129 | def stage(self):
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130 | """Get the flight stage."""
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131 | return self._stage
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132 |
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133 | @property
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134 | def fsType(self):
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135 | """Get the flight simulator type."""
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136 | return self._gui.fsType
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137 |
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138 | @property
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139 | def loggedIn(self):
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140 | """Indicate if the user has logged in properly."""
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141 | return self._gui.loggedIn
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142 |
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143 | @property
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144 | def entranceExam(self):
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145 | """Get whether an entrance exam is being performed."""
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146 | return self._gui.entranceExam
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147 |
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148 | @property
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149 | def bookedFlight(self):
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150 | """Get the booked flight."""
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151 | return self._gui.bookedFlight
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152 |
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153 | @property
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154 | def numCrew(self):
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155 | """Get the number of crew members on the flight."""
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156 | return self._gui.numCrew
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157 |
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158 | @property
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159 | def numPassengers(self):
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160 | """Get the number of passengers on the flight."""
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161 | return self._gui.numPassengers
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162 |
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163 | @property
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164 | def bagWeight(self):
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165 | """Get the baggage weight for the flight."""
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166 | return self._gui.bagWeight
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167 |
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168 | @property
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169 | def cargoWeight(self):
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170 | """Get the cargo weight for the flight."""
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171 | return self._gui.cargoWeight
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172 |
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173 | @property
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174 | def mailWeight(self):
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175 | """Get the mail weight for the flight."""
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176 | return self._gui.mailWeight
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177 |
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178 | @property
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179 | def zfw(self):
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180 | """Get the Zero-Fuel Weight of the flight."""
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181 | return self._gui.zfw
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182 |
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183 | @property
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184 | def filedCruiseAltitude(self):
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185 | """Get the filed cruise altitude."""
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186 | return self._gui.filedCruiseAltitude
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187 |
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188 | @property
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189 | def cruiseAltitude(self):
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190 | """Get the cruise altitude of the flight."""
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191 | return self._gui.cruiseAltitude
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192 |
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193 | @property
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194 | def maxAltitude(self):
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195 | """Get the maximal altitude ever reached during the flight."""
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196 | return self._maxAltitude
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197 |
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198 | @property
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199 | def cruiseAltitudeForDescent(self):
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200 | """Get the cruise altitude to check for descending.
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201 |
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202 | This is the minimum of current maximal altitude and the cruise
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203 | altitude."""
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204 | return min(self._maxAltitude, self.cruiseAltitude)
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205 |
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206 | @property
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207 | def route(self):
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208 | """Get the route of the flight."""
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209 | return self._gui.route
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210 |
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211 | @property
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212 | def departureMETAR(self):
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213 | """Get the departure METAR of the flight."""
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214 | return self._gui.departureMETAR
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215 |
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216 | @property
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217 | def arrivalMETAR(self):
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218 | """Get the arrival METAR of the flight."""
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219 | return self._gui.arrivalMETAR
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220 |
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221 | @property
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222 | def departureRunway(self):
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223 | """Get the departure runway."""
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224 | return self._gui.departureRunway
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225 |
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226 | @property
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227 | def sid(self):
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228 | """Get the SID followed."""
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229 | return self._gui.sid
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230 |
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231 | @property
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232 | def v1(self):
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233 | """Get the V1 speed of the flight."""
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234 | return self._gui.v1
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235 |
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236 | @property
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237 | def vr(self):
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238 | """Get the Vr speed of the flight."""
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239 | return self._gui.vr
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240 |
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241 | @property
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242 | def v2(self):
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243 | """Get the V2 speed of the flight."""
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244 | return self._gui.v2
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245 |
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246 | @property
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247 | def takeoffAntiIceOn(self):
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248 | """Get whether the anti-ice system was on during takeoff."""
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249 | return self._gui.takeoffAntiIceOn
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250 |
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251 | @takeoffAntiIceOn.setter
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252 | def takeoffAntiIceOn(self, value):
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253 | """Set whether the anti-ice system was on during takeoff."""
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254 | self._gui.takeoffAntiIceOn = value
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255 |
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256 | @property
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257 | def derate(self):
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258 | """Get the derate value of the flight."""
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259 | return self._gui.derate
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260 |
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261 | @property
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262 | def star(self):
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263 | """Get the STAR planned."""
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264 | return self._gui.star
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265 |
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266 | @property
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267 | def transition(self):
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268 | """Get the transition planned."""
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269 | return self._gui.transition
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270 |
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271 | @property
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272 | def approachType(self):
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273 | """Get the approach type."""
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274 | return self._gui.approachType
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275 |
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276 | @property
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277 | def arrivalRunway(self):
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278 | """Get the arrival runway."""
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279 | return self._gui.arrivalRunway
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280 |
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281 | @property
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282 | def vref(self):
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283 | """Get the VRef speed of the flight."""
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284 | return self._gui.vref
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285 |
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286 | @property
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287 | def landingAntiIceOn(self):
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288 | """Get whether the anti-ice system was on during landing."""
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289 | return self._gui.landingAntiIceOn
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290 |
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291 | @landingAntiIceOn.setter
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292 | def landingAntiIceOn(self, value):
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293 | """Set whether the anti-ice system was on during landing."""
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294 | self._gui.landingAntiIceOn = value
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295 |
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296 | @property
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297 | def tdRate(self):
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298 | """Get the touchdown rate if known, None otherwise."""
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299 | return self._tdRate
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300 |
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301 | @property
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302 | def flightType(self):
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303 | """Get the type of the flight."""
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304 | return self._gui.flightType
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305 |
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306 | @property
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307 | def online(self):
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308 | """Get whether the flight was an online flight."""
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309 | return self._gui.online
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310 |
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311 | @property
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312 | def comments(self):
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313 | """Get the comments made by the pilot."""
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314 | return self._gui.comments
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315 |
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316 | @property
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317 | def flightDefects(self):
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318 | """Get the flight defects reported by the pilot."""
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319 | return self._gui.flightDefects
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320 |
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321 | @property
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322 | def delayCodes(self):
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323 | """Get the delay codes."""
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324 | return self._gui.delayCodes
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325 |
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326 | @property
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327 | def speedInKnots(self):
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328 | """Determine if the speeds for the flight are to be expressed in
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329 | knots."""
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330 | return self.aircraft.speedInKnots if self.aircraft is not None \
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331 | else True
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332 |
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333 | @property
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334 | def aglInFeet(self):
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335 | """Determine if the AGL altutides for the flight are to be expressed in
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336 | feet."""
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337 | return self.aircraft.aglInFeet if self.aircraft is not None \
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338 | else True
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339 |
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340 | @property
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341 | def hasRTO(self):
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342 | """Determine if we have an RTO state."""
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343 | return self._rtoState is not None
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344 |
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345 | @property
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346 | def rtoState(self):
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347 | """Get the RTO state."""
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348 | return self._rtoState
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349 |
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350 | @property
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351 | def blockTimeStartWrong(self):
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352 | """Determine if the block time start is wrong compared to the scheduled
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353 | departure time.
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354 |
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355 | Returns a tuple of:
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356 | - a boolean indicating if the difference warrants a warning
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357 | - a boolean indicating if the difference warrants not only a warning,
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358 | but an error as well."""
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359 | return self.isTimeDifferenceTooMuch(self.bookedFlight.departureTime,
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360 | self.blockTimeStart)
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361 |
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362 | @property
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363 | def blockTimeEndWrong(self):
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364 | """Determine if the block time end is wrong compared to the scheduled
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365 | arrival time.
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366 |
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367 | Returns a tuple of:
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368 | - a boolean indicating if the difference warrants a warning
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369 | - a boolean indicating if the difference warrants not only a warning,
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370 | but an error as well."""
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371 | return self.isTimeDifferenceTooMuch(self.bookedFlight.arrivalTime,
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372 | self.blockTimeEnd)
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373 |
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374 | def disconnected(self):
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375 | """Called when the connection to the simulator has failed."""
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376 | if self.aircraft is not None and self.aircraft.state is not None:
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377 | self.logger.message(self.aircraft.state.timestamp,
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378 | "The connection to the simulator has failed")
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379 |
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380 | def handleState(self, oldState, currentState):
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381 | """Handle a new state information."""
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382 | self._updateFlownDistance(currentState)
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383 |
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384 | self.endFuel = currentState.totalFuel
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385 | if self.startFuel is None:
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386 | self.startFuel = self.endFuel
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387 |
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388 | self._soundScheduler.schedule(currentState,
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389 | self._pilotHotkeyPressed)
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390 | self._pilotHotkeyPressed = False
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391 |
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392 | self._maxAltitude = max(currentState.altitude, self._maxAltitude)
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393 |
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394 | if self._checklistHotkeyPressed:
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395 | self._checklistScheduler.hotkeyPressed()
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396 | self._checklistHotkeyPressed = False
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397 |
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398 | def setStage(self, timestamp, stage):
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399 | """Set the flight stage.
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400 |
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401 | Returns if the stage has really changed."""
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402 | if stage!=self._stage:
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403 | self._logStageDuration(timestamp, stage)
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404 | self._stage = stage
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405 | self._gui.setStage(stage)
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406 | self.logger.stage(timestamp, stage)
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407 | if stage==const.STAGE_PUSHANDTAXI:
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408 | self.blockTimeStart = timestamp
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409 | elif stage==const.STAGE_TAKEOFF:
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410 | self.flightTimeStart = timestamp
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411 | elif stage==const.STAGE_CLIMB:
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412 | self.climbTimeStart = timestamp
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413 | elif stage==const.STAGE_CRUISE:
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414 | self.cruiseTimeStart = timestamp
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415 | elif stage==const.STAGE_DESCENT:
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416 | self.descentTimeStart = timestamp
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417 | elif stage==const.STAGE_TAXIAFTERLAND:
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418 | self.flightTimeEnd = timestamp
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419 | # elif stage==const.STAGE_PARKING:
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420 | # self.blockTimeEnd = timestamp
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421 | elif stage==const.STAGE_END:
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422 | self.blockTimeEnd = timestamp
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423 | with self._endCondition:
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424 | self._endCondition.notify()
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425 | return True
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426 | else:
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427 | return False
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428 |
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429 | def handleFault(self, faultID, timestamp, what, score,
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430 | updatePrevious = False, updateID = None):
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431 | """Handle the given fault.
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432 |
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433 | faultID as a unique ID for the given kind of fault. If another fault of
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434 | this ID has been reported earlier, it will be reported again only if
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435 | the score is greater than last time. This ID can be, e.g. the checker
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436 | the report comes from."""
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437 | id = self.logger.fault(faultID, timestamp, what, score,
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438 | updatePrevious = updatePrevious,
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439 | updateID = updateID)
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440 | self._gui.setRating(self.logger.getRating())
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441 | return id
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442 |
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443 | def handleNoGo(self, faultID, timestamp, what, shortReason):
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444 | """Handle a No-Go fault."""
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445 | self.logger.noGo(faultID, timestamp, what)
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446 | self._gui.setNoGo(shortReason)
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447 |
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448 | def setRTOState(self, state):
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449 | """Set the state that might be used as the RTO state.
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450 |
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451 | If there has been no RTO state, the GUI is notified that from now on
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452 | the user may select to report an RTO."""
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453 | hadNoRTOState = self._rtoState is None
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454 |
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455 | self._rtoState = state
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456 | self._rtoLogEntryID = \
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457 | SpeedChecker.logSpeedFault(self, state,
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458 | stage = const.STAGE_PUSHANDTAXI)
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459 |
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460 | if hadNoRTOState:
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461 | self._gui.updateRTO()
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462 |
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463 | def rtoToggled(self, indicated):
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464 | """Called when the user has toggled the RTO indication."""
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465 | if self._rtoState is not None:
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466 | if indicated:
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467 | self.logger.clearFault(self._rtoLogEntryID,
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468 | "RTO at %d knots" %
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469 | (self._rtoState.groundSpeed,))
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470 | self._gui.setRating(self.logger.getRating())
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471 | if self._stage == const.STAGE_PUSHANDTAXI:
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472 | self.setStage(self.aircraft.state.timestamp,
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473 | const.STAGE_RTO)
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474 | else:
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475 | SpeedChecker.logSpeedFault(self, self._rtoState,
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476 | stage = const.STAGE_PUSHANDTAXI,
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477 | updateID = self._rtoLogEntryID)
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478 | if self._stage == const.STAGE_RTO:
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479 | self.setStage(self.aircraft.state.timestamp,
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480 | const.STAGE_PUSHANDTAXI)
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481 |
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482 | def flareStarted(self, flareStart, flareStartFS):
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483 | """Called when the flare time has started."""
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484 | self._flareStart = flareStart
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485 | self._flareStartFS = flareStartFS
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486 |
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487 | def flareFinished(self, flareEnd, flareEndFS, tdRate):
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488 | """Called when the flare time has ended.
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489 |
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490 | Return a tuple of the following items:
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491 | - a boolean indicating if FS time is used
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492 | - the flare time
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493 | """
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494 | self._tdRate = tdRate
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495 | if self.flareTimeFromFS:
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496 | return (True, flareEndFS - self._flareStartFS)
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497 | else:
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498 | return (False, flareEnd - self._flareStart)
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499 |
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500 | def wait(self):
|
---|
501 | """Wait for the flight to end."""
|
---|
502 | with self._endCondition:
|
---|
503 | while self._stage!=const.STAGE_END:
|
---|
504 | self._endCondition.wait(1)
|
---|
505 |
|
---|
506 | def getFleet(self, callback, force = False):
|
---|
507 | """Get the fleet and call the given callback."""
|
---|
508 | self._gui.getFleetAsync(callback = callback, force = force)
|
---|
509 |
|
---|
510 | def pilotHotkeyPressed(self):
|
---|
511 | """Called when the pilot hotkey is pressed."""
|
---|
512 | self._pilotHotkeyPressed = True
|
---|
513 |
|
---|
514 | def checklistHotkeyPressed(self):
|
---|
515 | """Called when the checklist hotkey is pressed."""
|
---|
516 | self._checklistHotkeyPressed = True
|
---|
517 |
|
---|
518 | def speedFromKnots(self, knots):
|
---|
519 | """Convert the given speed value expressed in knots into the flight's
|
---|
520 | speed unit."""
|
---|
521 | return knots if self.speedInKnots else knots * const.KNOTSTOKMPH
|
---|
522 |
|
---|
523 | def aglFromFeet(self, feet):
|
---|
524 | """Convert the given AGL altitude value expressed in feet into the
|
---|
525 | flight's AGL altitude unit."""
|
---|
526 | return feet if self.aglInFeet else feet * const.FEETTOMETRES
|
---|
527 |
|
---|
528 | def speedToKnots(self, speed):
|
---|
529 | """Convert the given speed expressed in the flight's speed unit into
|
---|
530 | knots."""
|
---|
531 | return speed if self.speedInKnots else speed * const.KMPHTOKNOTS
|
---|
532 |
|
---|
533 | def getEnglishSpeedUnit(self):
|
---|
534 | """Get the English name of the speed unit used by the flight."""
|
---|
535 | return "knots" if self.speedInKnots else "km/h"
|
---|
536 |
|
---|
537 | def getEnglishAGLUnit(self):
|
---|
538 | """Get the English name of the AGL unit used by the flight."""
|
---|
539 | return "ft" if self.aglInFeet else "m"
|
---|
540 |
|
---|
541 | def getI18NSpeedUnit(self):
|
---|
542 | """Get the speed unit suffix for i18n message identifiers."""
|
---|
543 | return "_knots" if self.speedInKnots else "_kmph"
|
---|
544 |
|
---|
545 | def logFuel(self, aircraftState):
|
---|
546 | """Log the amount of fuel"""
|
---|
547 | fuelStr = ""
|
---|
548 | for (tank, amount) in aircraftState.fuel:
|
---|
549 | if fuelStr: fuelStr += " - "
|
---|
550 | fuelStr += "%s=%.0f kg" % (const.fuelTank2logString(tank), amount)
|
---|
551 |
|
---|
552 | self.logger.message(aircraftState.timestamp, "Fuel: " + fuelStr)
|
---|
553 | self.logger.message(aircraftState.timestamp,
|
---|
554 | "Total fuel: %.0f kg" % (aircraftState.totalFuel,))
|
---|
555 |
|
---|
556 | def cruiseLevelChanged(self):
|
---|
557 | """Called when the cruise level hass changed."""
|
---|
558 | if self.canLogCruiseAltitude(self._stage):
|
---|
559 | message = "Cruise altitude modified to %d feet" % \
|
---|
560 | (self._gui.loggableCruiseAltitude,)
|
---|
561 | self.logger.message(self.aircraft.timestamp, message)
|
---|
562 | return True
|
---|
563 | else:
|
---|
564 | return False
|
---|
565 |
|
---|
566 | def _updateFlownDistance(self, currentState):
|
---|
567 | """Update the flown distance."""
|
---|
568 | if not currentState.onTheGround:
|
---|
569 | updateData = False
|
---|
570 | if self._lastDistanceTime is None or \
|
---|
571 | self._previousLatitude is None or \
|
---|
572 | self._previousLongitude is None:
|
---|
573 | updateData = True
|
---|
574 | elif currentState.timestamp >= (self._lastDistanceTime + 30.0):
|
---|
575 | updateData = True
|
---|
576 | self.flownDistance += self._getDistance(currentState)
|
---|
577 |
|
---|
578 | if updateData:
|
---|
579 | self._previousLatitude = currentState.latitude
|
---|
580 | self._previousLongitude = currentState.longitude
|
---|
581 | self._lastDistanceTime = currentState.timestamp
|
---|
582 | else:
|
---|
583 | if self._lastDistanceTime is not None and \
|
---|
584 | self._previousLatitude is not None and \
|
---|
585 | self._previousLongitude is not None:
|
---|
586 | self.flownDistance += self._getDistance(currentState)
|
---|
587 |
|
---|
588 | self._lastDistanceTime = None
|
---|
589 |
|
---|
590 | def _getDistance(self, currentState):
|
---|
591 | """Get the distance between the previous and the current state."""
|
---|
592 | return util.getDistCourse(self._previousLatitude, self._previousLongitude,
|
---|
593 | currentState.latitude, currentState.longitude)[0]
|
---|
594 |
|
---|
595 | def _logStageDuration(self, timestamp, stage):
|
---|
596 | """Log the duration of the stage preceding the given one."""
|
---|
597 | what = None
|
---|
598 | startTime = None
|
---|
599 |
|
---|
600 | if stage==const.STAGE_TAKEOFF:
|
---|
601 | what = "Pushback and taxi"
|
---|
602 | startTime = self.blockTimeStart
|
---|
603 | elif stage==const.STAGE_CRUISE:
|
---|
604 | what = "Climb"
|
---|
605 | startTime = self.climbTimeStart
|
---|
606 | elif stage==const.STAGE_DESCENT:
|
---|
607 | what = "Cruise"
|
---|
608 | startTime = self.cruiseTimeStart
|
---|
609 | elif stage==const.STAGE_LANDING:
|
---|
610 | what = "Descent"
|
---|
611 | startTime = self.descentTimeStart
|
---|
612 | elif stage==const.STAGE_END:
|
---|
613 | what = "Taxi after landing"
|
---|
614 | startTime = self.flightTimeEnd
|
---|
615 |
|
---|
616 | if what is not None and startTime is not None:
|
---|
617 | duration = timestamp - startTime
|
---|
618 | self.logger.message(timestamp,
|
---|
619 | "%s time: %s" % \
|
---|
620 | (what, util.getTimeIntervalString(duration)))
|
---|
621 |
|
---|
622 | #---------------------------------------------------------------------------------------
|
---|