def relative_location(self) :
gps = get("gps")
compass = get("compass")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing,0))
relative_bearing = int(round((waypoint_bearing - compass.bearing + 360 ) % 360, 0))
distance = round(convert.value(polar_to_waypoint.distance,"Nm","km"),1)
if distance > 1 :
string =str(distance) + " km"
else :
string = str(int(round(convert.value(distance,"km","m"),0))) + " m"
string = self.name + " is " + string + " away " + geo.degrees_to_compass_point(waypoint_bearing) + " . "
string += " The Relative bearing is " + str(geo.degrees_to_hours(relative_bearing)) + " oclock "
return string
def eta(self):
gps = get("gps")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing, 0))
relative_bearing = (waypoint_bearing - gps.courseOverGround +
360) % 360
distance = round(polar_to_waypoint.distance, 2)
speed = round(convert.value(gps.speedOverGround, "kt", "kph"), 1)
string = ""
if relative_bearing > 270 or relative_bearing < 90:
dir = "toward"
else:
dir = "away from"
vmg = round(speed * math.cos(math.radians(relative_bearing)), 1)
course = int(gps.courseOverGround)
if vmg != 0.0:
if dir == "toward":
hours = round(distance / vmg, 2)
if hours < 1.0:
minutes = int(round(hours * 60, 0))
string += " Arrival in " + str(minutes) + " minutes time."
else:
string += " Arrival in " + str(hours) + " hours time."
else:
string += "you are stationary."
if self.datetime is not None:
string += " Due in " + date_time.time_to_go(
self.datetime) + " time."
return string
def eta(self) :
gps = get("gps")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing,0))
relative_bearing = (waypoint_bearing - gps.courseOverGround + 360 ) % 360
distance = round(polar_to_waypoint.distance,2)
speed = round(convert.value(gps.speedOverGround,"kt","kph"),1)
string = ""
if relative_bearing > 270 or relative_bearing < 90 :
dir = "toward"
else :
dir = "away from"
vmg = round(speed * math.cos(math.radians(relative_bearing)),1)
course = int(gps.courseOverGround)
if vmg != 0.0 :
if dir == "toward" :
hours = round(distance / vmg,2)
if hours < 1.0 :
minutes = int(round(hours * 60 ,0))
string += " Arrival in " + str(minutes) + " minutes time."
else :
string += " Arrival in " + str(hours) + " hours time."
else :
string += "you are stationary."
if self.datetime is not None :
string += " Due in " + date_time.time_to_go(self.datetime) + " time."
return string
def relative_location(self):
gps = get("gps")
compass = get("compass")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing, 0))
relative_bearing = int(
round((waypoint_bearing - compass.bearing + 360) % 360, 0))
distance = round(convert.value(polar_to_waypoint.distance, "Nm", "km"),
1)
if distance > 1:
string = str(distance) + " km"
else:
string = str(int(round(convert.value(distance, "km", "m"),
0))) + " m"
string = self.name + " is " + string + " away " + geo.degrees_to_compass_point(
waypoint_bearing) + " . "
string += " The Relative bearing is " + str(
geo.degrees_to_hours(relative_bearing)) + " oclock "
return string
def as_kml(self) :
distance = convert.value(self.length()[0],"Nm","km")
kml = "<Placemark><name>" + self.name + "</name>"
kml += "<description>" + "Length along path " + str(round(distance,2)) + " km" + "</description>"
kml += "<LineString><altitudeMode>absolute</altitudeMode><coordinates>"
file = open("log/"+self.name+".txt","r")
for line in file.readlines():
if line == "":
continue
data = line.strip().split(",")
if data[0] == "gps" :
latitude = data[2]
longitude = data[3]
altitude = data[4]
coords = ",".join((str(round(float(longitude),4)), str(round(float(latitude),4)) , str(round(float(altitude),4)) ))
kml+= coords + "\n"
kml += "</coordinates></LineString>"
kml += "</Placemark>"
return kml
def relative_velocity(self) :
gps = get("gps")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing,0))
relative_bearing = (waypoint_bearing - gps.courseOverGround + 360 ) % 360
distance = round(polar_to_waypoint.distance,2)
speed = round(convert.value(gps.speedOverGround,"kt","kph"),1)
if relative_bearing > 270 or relative_bearing < 90 :
dir = "toward"
else :
dir = "away from"
vmg = round(speed * math.cos(math.radians(relative_bearing)),1)
course = int(gps.courseOverGround)
if vmg != 0.0 :
vmg_text= "you are moving "+ dir + " " + self.name + " at " + str(abs(vmg)) + " kph " + " relative bearing " + str(int(round(relative_bearing,0)))
else :
vmg_text = "you are stationary."
return vmg_text
def relative_velocity(self):
gps = get("gps")
polar_to_waypoint = gps.latlong.gc_polar_to(self.latlong)
waypoint_bearing = int(round(polar_to_waypoint.bearing, 0))
relative_bearing = (waypoint_bearing - gps.courseOverGround +
360) % 360
distance = round(polar_to_waypoint.distance, 2)
speed = round(convert.value(gps.speedOverGround, "kt", "kph"), 1)
if relative_bearing > 270 or relative_bearing < 90:
dir = "toward"
else:
dir = "away from"
vmg = round(speed * math.cos(math.radians(relative_bearing)), 1)
course = int(gps.courseOverGround)
if vmg != 0.0:
vmg_text = "you are moving " + dir + " " + self.name + " at " + str(
abs(vmg)) + " kph " + " relative bearing " + str(
int(round(relative_bearing, 0)))
else:
vmg_text = "you are stationary."
return vmg_text
def velocity (self) :
speed = round(convert.value(self.speedOverGround,"kt","kph"),1)
course = int(self.courseOverGround)
points = geo.degrees_to_compass_point(course)
string = "Speed is "+ str(speed) + " kph " + " at " + str(course) + " degrees " + " towards " + points
return string
def distance(self, units="Nm"):
gps = get("gps")
distance = gps.latlong.gc_polar_to(self.latlong).distance
return convert.value(distance, "Nm", units)
def distance(self,units="Nm") :
gps = get("gps")
distance = gps.latlong.gc_polar_to(self.latlong).distance
return convert.value(distance,"Nm",units)
