Esempio n. 1
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noise = noiseStddev * np.random.randn(p.shape[0])
dtfile = 'output/wind_data03.neph'
print("Getting mesonh values... ", end='')
# dtbase = NephelaeDataServer()
# sys.stdout.flush()
# for pos,n in zip(p,noise):
#     dtbase.add_gps(Gps("100", Position(pos[0],pos[1],pos[2],pos[3])))
#     dtbase.add_sample(SensorSample('RCT', '100', pos[0],
#         Position(pos[0],pos[1],pos[2],pos[3]),
#         [rct[pos[0],pos[1],pos[2],pos[3] + n]]))
#     dtbase.add_sample(SensorSample('Wind', '100', pos[0],
#         Position(pos[0],pos[1],pos[2],pos[3]),
#         [ut[pos[0],pos[1],pos[2],pos[3]], vt[pos[0],pos[1],pos[2],pos[3]]]))
# dtbase.save(dtfile, force=True)
dtbase = NephelaeDataServer.load(dtfile)
print("Done !")
sys.stdout.flush()

gprMap = GprPredictor('RCT', dtbase, ['RCT'], kernel0)

profiling = False
# profiling = True
if not profiling:
    fig, axes = plt.subplots(3, 1, sharex=True, sharey=True)
simTime = p0.t
lastTime = time.time()
simSpeed = 50.0

# interp='nearest'
interp = 'bicubic'
Esempio n. 2
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#! /usr/bin/python3

import sys
sys.path.append('../../')
import os
import signal
import time

from nephelae.database import NephelaeDataServer

database = NephelaeDataServer.load('/home/pnarvor/work/nephelae/data/temp/default.neph')



Esempio n. 3
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parser = argparse.ArgumentParser(
    description='Converts a NephelaeDataServer binary file to ASCII')
parser.add_argument('inputpath',
                    type=str,
                    help="Path to database to be converted.")
parser.add_argument('-o',
                    '--outputpath',
                    dest='outputpath',
                    type=str,
                    default=None,
                    help="File to write the output to (default is stdout)")
args = parser.parse_args()

# database = NephelaeDataServer.load('/home/pnarvor/work/nephelae/data/barbados/logs/flight_01_28_02/database/database01.neph')
database = NephelaeDataServer.load(args.inputpath)
data = [entry.data for entry in database['STATUS'][:]]
data = data + [entry.data for entry in database['SAMPLE'][:]]
data.sort(key=lambda x: x.position.t)

if args.outputpath is None:
    print(database.navFrame.one_line_str())
    for datum in data:
        print(datum.one_line_str())
else:
    with open(args.outputpath, 'w') as f:
        f.write(database.navFrame.one_line_str() + '\n')
        for datum in data:
            f.write(datum.one_line_str() + '\n')
            print(datum.one_line_str())
Esempio n. 4
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from nephelae_mesonh import MesonhDataset, MesonhMap
from nephelae.types import Position
from nephelae.types import Bounds
from nephelae.types import Gps
from nephelae.types import SensorSample

from nephelae.mapping import GprPredictor
from nephelae.mapping import WindKernel
from nephelae.mapping import WindMapConstant
from nephelae.database import NephelaeDataServer

mesonhPath = '/home/pnarvor/work/nephelae/data/MesoNH-2019-02/REFHR.1.ARMCu.4D.nc'
# databasePath = '/home/pnarvor/work/nephelae/data/temp/dt5_01.neph'
databasePath = 'output/wind_data04.neph'

database = NephelaeDataServer.load(databasePath)

mesonhDataset = MesonhDataset(mesonhPath)
rct = MesonhMap('Liquid water', mesonhDataset, 'RCT', interpolation='linear')

# Have to define wind by hand for now.
wind = np.array([8.5, 0.9])
windMap = WindMapConstant('Wind', wind)

# Kernel for liquid water content
processVariance = 1.0e-8
noiseStddev = 0.1 * np.sqrt(processVariance)
lengthScales = [70.0, 80.0, 80.0, 60.0]

rctKernel0 = WindKernel(lengthScales, processVariance, noiseStddev**2, windMap)
rctGpr = GprPredictor('RCT', database, ['RCT'], rctKernel0)
Esempio n. 5
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import sys
sys.path.append('../../')
import os
import signal
import time

from ivy.std_api import *
import logging

from nephelae_paparazzi import PprzMesonhUav, PprzSimulation
from nephelae.database import NephelaeDataServer

# mesonhFiles = '/home/pnarvor/work/nephelae/data/MesoNH-2019-02/REFHR.1.ARMCu.4D.nc'
mesonhFiles = '/local/fseguin/nephelae_data/MesoNH02/bomex_hf.nc'

dtbase = NephelaeDataServer()
# dtbase.enable_periodic_save('output/database01.neph', timerTick=10.0)


def build_uav(uavId, navRef):
    uav = PprzMesonhUav(uavId, navRef, mesonhFiles, ['RCT', 'WT'])
    uav.add_sensor_observer(dtbase)
    uav.add_gps_observer(dtbase)
    return uav


interface = PprzSimulation(mesonhFiles, ['RCT', 'WT'],
                           build_uav_callback=build_uav)
interface.start()
# Has to be called after interface.start()
dtbase.set_navigation_frame(interface.navFrame)
Esempio n. 6
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#! /usr/bin/python3

import time

from nephelae.database import NephelaeDataServer
import numpy as np
import matplotlib.pyplot as plt
from scipy.signal import medfilt

t0 = time.time()
database = NephelaeDataServer.load(
    '/home/pnarvor/work/nephelae/data/barbados/logs/flight_01_28_01/database/database01.neph'
)
print("Loading time : ", time.time() - t0)

t0 = time.time()
channel0_10 = [
    entry.data for entry in database['10', 'cloud_channel_0'](
        sortCriteria=lambda x: x.position.t)[:]
]
channel1_10 = [
    entry.data for entry in database['10', 'cloud_channel_1'](
        sortCriteria=lambda x: x.position.t)[:]
]
channel0_12 = [
    entry.data for entry in database['12', 'cloud_channel_0'](
        sortCriteria=lambda x: x.position.t)[:]
]
channel1_12 = [
    entry.data for entry in database['12', 'cloud_channel_1'](
        sortCriteria=lambda x: x.position.t)[:]
Esempio n. 7
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    def configure_database(self):
        """TODO implement the replay"""

        database = None
        try:
            self.warmStart = self.config['allow_warm_start']
        except KeyError as e:
            warn("No warm start configuration specified. No warm start " +
                 "allowed byt default. Exception feedback : " + str(e))
            self.warmStart = False

        try:
            config = self.config['database']
        except KeyError:
            # No specific options were given to the database.
            # Leaving default behavior.
            if self.warmStart:
                raise RuntimeError("Warm start enable but no database " +
                                   "configuration was given. Aborting.")
            else:
                database = NephelaeDataServer()
                database.set_navigation_frame(self.localFrame)
                return database

        try:
            enableSave = config['enable_save']
        except KeyError:
            # No saving configuration
            enableSave = False
        try:
            filePath = config['filepath']
        except KeyError:
            filePath = None

        # This is safe (in python spec, x and y returns false if x is false
        # without trying to evaluate y)
        if self.warmStart and filePath is not None and os.path.exists(
                filePath):
            database = NephelaeDataServer.load(filePath)
            self.missionT0 = database.navFrame.position.t
            self.localFrame.position.t = self.missionT0
        else:
            database = NephelaeDataServer()
        database.set_navigation_frame(self.localFrame)

        if enableSave:
            if filePath is None:
                raise ValueError("Configuration file "+self.mainConfigPath+\
                    " asked for database saving but did not set a 'filepath' field.")
            try:
                timerTick = config['timer_tick']
            except KeyError:
                # Save database every 60.0 seconds if no tick given
                timerTick = 60.0
            try:
                force = config['overwrite_existing']
            except KeyError:
                # Don;t overwrite existing database by default
                force = False
            database.enable_periodic_save(filePath, timerTick, force)

        return database