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meteodata.py
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meteodata.py
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###########################################################################
# Sint Wind PI
# Copyright 2012 by Tonino Tarsi <tony.tarsi@gmail.com>
#
# Please refer to the LICENSE file for conditions
# Visit http://www.vololiberomontecucco.it
#
##########################################################################
"""MeteoData class"""
import time
import sqlite3
import datetime
import TTLib
import config
import math
import os
import globalvars
def cloud_base_altitude(temp,dew_point,station_altitude):
if (temp == None or dew_point == None or station_altitude == None):
return None
delta = (((temp-dew_point)*1.8/4.5 ) * 1000 )
# if ( delta < 10 ):
# return -1
# else:
return ( delta + (station_altitude * 3.2808) ) / 3.2808
def dew_point(temp, hum):
"""Compute dew point, using formula from
http://en.wikipedia.org/wiki/Dew_point.
"""
if temp == None or hum == None:
return None
a = 17.27
b = 237.7
if (hum == 0):
return None
gamma = ((a * temp) / (b + temp)) + math.log(float(hum) / 100.0)
return (b * gamma) / (a - gamma)
def wind_chill(temp, wind):
"""Compute wind chill, using formula from
http://en.wikipedia.org/wiki/wind_chill
"""
if temp == None or wind == None:
return None
#wind_kph = wind * 3.6
wind_kph = wind
if wind_kph <= 4.8 or temp > 10.0:
return temp
return min(13.12 + (temp * 0.6215) +
(((0.3965 * temp) - 11.37) * (wind_kph ** 0.16)),
temp)
def apparent_temp(temp, rh, wind):
"""Compute apparent temperature (real feel), using formula from
http://www.bom.gov.au/info/thermal_stress/
"""
if ( temp == None or rh == None or wind == None ):
return None
wind_ms = wind / 3.6
if temp == None or rh == None or wind == None:
return None
vap_press = (float(rh) / 100.0) * 6.105 * math.exp(
17.27 * temp / (237.7 + temp))
return temp + (0.33 * vap_press) - (0.70 * wind_ms) - 4.00
class MeteoData(object):
def __init__(self,cfg=None):
self.cfg = cfg
self.last_measure_time = None
self.previous_measure_time = None
self.wind_trend = None
self.pressure_trend = None
# Station data
self.idx = None
self.status = -9999
self.wind_dir = None
self.wind_ave = None
self.wind_gust = None
self.temp_out = None
self.hum_out = None
self.abs_pressure = None
self.rel_pressure = None
self.rain = None
self.rain_rate = None
self.rain_rate_24h = None
self.rain_rate_1h= None
self.temp_in = None
self.hum_in = None
self.uv = None
self.illuminance = None
if ( cfg != None):
self.rb_wind_dir = TTLib.RingBuffer(cfg.number_of_measure_for_wind_dir_average)
self.rb_wind_trend = TTLib.RingBuffer(cfg.number_of_measure_for_wind_trend)
#calculated values
self.wind_dir_code = None
self.wind_chill = None
self.temp_apparent = None
self.dew_point = None
self.cloud_base_altitude = None
self.previous_rain = None
self.wind_dir_ave = None
self.battery = None
if ( not self.getLastTodayFromDB() ):
self.ResetStatistic()
def newday(self):
if ( self.previous_measure_time == None ):
self.previous_measure_time = self.last_measure_time
return True
elif ( self.last_measure_time != None and ( datetime.datetime.strftime(self.last_measure_time,'%m/%d/%Y') !=
datetime.datetime.strftime(self.previous_measure_time,'%m/%d/%Y') ) ) :
self.previous_rain = self.rain
return True
else:
return False
# def CalcMeanWindDir(self):
# rb = TTLib.RingBuffer(self.cfg.number_of_measure_for_wind_dir_average)
# while 1:
# rb.append(self.wind_dir)
# yield rb.getMeanDir()
def ResetStatistic(self):
#statistics values
self.winDayMin = None
self.winDayMax = None
self.winDayGustMin = None
self.winDayGustMax = None
self.TempInMin = None
self.TempInMax = None
self.TempOutMin = None
self.TempOutMax = None
self.UmInMin = None
self.UmInMax = None
self.UmOutMin = None
self.UmOutMax = None
self.PressureMin = None
self.PressureMax = None
self.previous_measure_time = None
self.previous_rain = self.rain
def CalcStatistics(self):
while globalvars.bAnswering:
#TTLib.log("DEBUG ... waiting for Calculating Meteo data and statistics")
time.sleep(1)
TTLib.log("Calculating Meteo data and statistics")
############## Calucelated parameters
#
self.wind_chill = wind_chill(self.temp_out, self.wind_ave)
self.temp_apparent = apparent_temp(self.temp_out, self.hum_out, self.wind_ave)
self.dew_point = dew_point(self.temp_out, self.hum_out)
self.cloud_base_altitude = cloud_base_altitude(self.temp_out,self.dew_point,self.cfg.location_altitude)
if ( self.cfg.wind_speed_units == "knots"):
self.wind_ave = self.wind_ave * 0.539956803456
self.wind_gust = self.wind_gust * 0.539956803456
self.rb_wind_trend.append(self.wind_ave)
self.wind_trend = self.rb_wind_trend.getTrend()
if ( self.cloud_base_altitude != None) :
self.cloud_base_altitude = self.cloud_base_altitude * self.cfg.cloudbase_calib
if ( self.abs_pressure != None and self.abs_pressure != 0.0):
if ( self.cfg.location_altitude != 0 ):
p0 = (self.abs_pressure*100) / pow( 1 - (0.225577000e-4*self.cfg.location_altitude ),5.25588 )
else:
p0 = self.abs_pressure*100
self.rel_pressure = float(p0/100 )
#print self.abs_pressure,self.rel_pressure
if ( self.rain != None and self.previous_rain != None and self.previous_measure_time != None ):
self.rain_rate = self.rain - self.previous_rain
###############################################
if ( self.newday() ):
self.ResetStatistic()
else:
if ( self.winDayMin == None or self.wind_ave < self.winDayMin ):
self.winDayMin = self.wind_ave
if ( self.winDayMax == None or self.wind_ave > self.winDayMax ) :
self.winDayMax = self.wind_ave
if ( self.winDayGustMin == None or self.wind_gust < self.winDayGustMin ) :
self.winDayGustMin = self.wind_gust
if ( self.winDayGustMax == None or self.wind_gust > self.winDayGustMax ) :
self.winDayGustMax = self.wind_gust
if ( self.TempOutMin == None or self.temp_out < self.TempOutMin ) :
self.TempOutMin = self.temp_out
if ( self.TempOutMax == None or self.temp_out > self.TempOutMax ) :
self.TempOutMax = self.temp_out
if ( self.TempInMin == None or self.temp_in < self.TempInMin ) :
self.TempInMin = self.temp_in
if ( self.TempInMax == None or self.temp_in > self.TempInMax ) :
self.TempInMax = self.temp_in
if ( self.UmInMin == None or self.hum_in < self.UmInMin ) :
self.UmInMin = self.hum_in
if ( self.UmInMax == None or self.hum_in > self.UmInMax ) :
self.UmInMax = self.hum_in
if ( self.UmOutMin == None or self.hum_out < self.UmOutMin ) :
self.UmOutMin = self.hum_out
if ( self.UmOutMax == None or self.hum_out > self.UmOutMax ) :
self.UmOutMax = self.hum_out
if ( self.PressureMin == None or self.rel_pressure < self.PressureMin ) :
self.PressureMin = self.rel_pressure
if ( self.PressureMax == None or self.rel_pressure > self.PressureMax ) :
self.PressureMax = self.rel_pressure
self.rb_wind_dir.append(self.wind_dir)
self.wind_dir_ave = self.rb_wind_dir.getMeanDir()
self.previous_measure_time = self.last_measure_time
#self.previous_rain = self.rain
# Rain 24h - rain 1h - pressure_trend
if ( self.rain != None or self.rel_pressure != None):
#try:
conn = sqlite3.connect('db/swpi.s3db',200)
dbCursor = conn.cursor()
if (self.rain != None ):
dbCursor.execute("SELECT * FROM METEO where datetime(TIMESTAMP_LOCAL) > datetime('now','-1 day','localtime') order by rowid asc limit 1")
data = dbCursor.fetchall()
if ( len(data) == 1):
therain = (data[0][9])
if (therain != None ) :
self.rain_rate_24h = self.rain - therain
#msg = "Rain24h :" + str(datetime.datetime.strptime(data[0][0],"%Y-%m-%d %H:%M:%S.%f")) + " " + str(therain) + " Current " + str(self.rain)
#TTLib.log(msg)
#else: print"Nodata"
dbCursor.execute("SELECT * FROM METEO where datetime(TIMESTAMP_LOCAL) > datetime('now','-1 hour','localtime') order by rowid asc limit 1")
data = dbCursor.fetchall()
if ( len(data) == 1):
therain = (data[0][9])
if (therain != None and self.rain != None) :
self.rain_rate_1h = self.rain - therain
thepress= (data[0][7])
if ( thepress != None and self.rel_pressure != None):
self.pressure_trend = self.rel_pressure - thepress
#msg = "Rain1h :" + str(datetime.datetime.strptime(data[0][0],"%Y-%m-%d %H:%M:%S.%f")) + " " + str(therain) + " Current " + str(self.rain)
#TTLib.log(msg)
#else: print"Nodata"
if conn:
conn.close()
# except:
# pass
def LogDataToDB(self):
while globalvars.bAnswering:
#TTLib.log("DEBUG LogDataToDB... waiting for Calculating Meteo data and statistics")
time.sleep(1)
TTLib.log("Logging data to Database")
if ( self.last_measure_time == None ):
return
conn = sqlite3.connect('db/swpi.s3db',200)
dbCursor = conn.cursor()
#dbCursor.execute("insert into METEO(TIMESTAMP_LOCAL,TIMESTAMP_IDX,WINDIR_CODE,WIND_DIR,WIND_AVE,WIND_GUST,TEMP,PRESSURE,HUM,RAIN,RAIN_RATE,TEMPINT,HUMINT,WIND_CHILL,TEMP_APPARENT,DEW_POINT,UV_INDEX,SOLAR_RAD,WIND_DAY_MIN,WIND_DAY_MAX) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)", (self.last_measure_time,self.last_measure_time,self.wind_dir_code,self.wind_dir,self.wind_ave,self.wind_gust,self.temp_out,self.abs_pressure,self.hum_out,self.rain,0,self.temp_in,self.hum_in,self.wind_chill,self.temp_apparent,self.dew_point,self.uv,self.illuminance,self.winDayMin,self.winDayMax))
#print self.last_measure_time,self.last_measure_time,self.wind_dir_code,self.wind_dir,self.wind_ave,self.wind_gust,self.temp_out,self.abs_pressure,self.hum_out,self.rain,0,self.temp_in,self.hum_in,self.wind_chill,self.temp_apparent,self.dew_point,self.uv,self.illuminance,self.winDayMin,self.winDayMax,self.winDayGustMin,self.winDayGustMax,self.TempOutMin,self.TempOutMax,self.TempInMin,self.TempInMax,self.UmOutMin,self.UmOutMax,self.UmInMin,self.UmInMax,self.PressureMin,self.PressureMax,self.wind_dir_ave
dbCursor.execute("insert into METEO(TIMESTAMP_LOCAL,TIMESTAMP_IDX,WINDIR_CODE,WIND_DIR,WIND_AVE,WIND_GUST,TEMP,PRESSURE,HUM,RAIN,RAIN_RATE,TEMPINT,HUMINT,WIND_CHILL,TEMP_APPARENT,DEW_POINT,UV_INDEX,SOLAR_RAD,WIND_DAY_MIN,WIND_DAY_MAX,WIND_DAY_GUST_MIN ,WIND_DAY_GUST_MAX ,TEMP_OUT_DAY_MIN ,TEMP_OUT_DAY_MAX,TEMP_IN_DAY_MIN ,TEMP_IN_DAY_MAX ,HUM_OUT_DAY_MIN ,HUM_OUT_DAY_MAX ,HUM_IN_DAY_MIN ,HUM_IN_DAY_MAX ,PRESSURE_DAY_MIN ,PRESSURE_DAY_MAX,WIND_DIR_AVE ) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)", (self.last_measure_time,self.last_measure_time,self.wind_dir_code,self.wind_dir,self.wind_ave,self.wind_gust,self.temp_out,self.rel_pressure,self.hum_out,self.rain,self.rain_rate,self.temp_in,self.hum_in,self.wind_chill,self.temp_apparent,self.dew_point,self.uv,self.illuminance,self.winDayMin,self.winDayMax,self.winDayGustMin,self.winDayGustMax,self.TempOutMin,self.TempOutMax,self.TempInMin,self.TempInMax,self.UmOutMin,self.UmOutMax,self.UmInMin,self.UmInMax,self.PressureMin,self.PressureMax,self.wind_dir_ave))
conn.commit()
conn.close()
msg = ""
if self.wind_dir_code !=None :
msg = msg + "Dir: " + str(self.wind_dir_code)
if self.wind_ave != None :
msg = msg + " - Spd: " + str(self.wind_ave)
if self.wind_gust != None :
msg = msg + " - Gst: " + str(self.wind_gust)
if self.temp_out != None :
msg = msg + " - Tout: %.1f" % self.temp_out
if self.temp_in != None :
msg = msg + " - Tin: %.1f" % self.temp_in
if self.hum_out != None :
msg = msg + " - Hout: %.1f" % self.hum_out
if self.hum_in != None :
msg = msg + " - Hin: %.1f" % self.hum_in
if self.rel_pressure != None :
msg = msg + " - P: %d" % self.rel_pressure
if self.rain != None :
msg = msg + " - Rtot: %.1f" % self.rain
if self.rain_rate != None :
msg = msg + " - RDay: %.1f" % self.rain_rate
if self.rain_rate_1h != None :
msg = msg + " - R1h: %.1f" % self.rain_rate_1h
if self.rain_rate_24h != None :
msg = msg + " - R24h: %.1f" % self.rain_rate_24h
if self.cloud_base_altitude != None :
msg = msg + " - CB: %d" % self.cloud_base_altitude
if self.wind_trend != None :
msg = msg + " - Trend: %.2f" % self.wind_trend
if self.uv != None :
msg = msg + " - UV: %d" % self.uv
if self.illuminance != None :
msg = msg + " - Watts/m: %.1f" % self.illuminance
# if self.winDayMin != None :
# msg = msg + " - winDayMin: %d" % self.winDayMin
# if self.winDayMax != None :
# msg = msg + " - winDayMax: %d" % self.winDayMax
# if self.TempOutMin != None :
# msg = msg + " - Tm: %d" % self.TempOutMin
# if self.TempOutMax != None :
# msg = msg + " - TM: %d" % self.TempOutMax
TTLib.log(msg)
def getLastTodayFromDB(self):
conn = sqlite3.connect('db/swpi.s3db',200)
dbCursor = conn.cursor()
try:
dbCursor.execute("SELECT * FROM METEO where date(TIMESTAMP_LOCAL) = date('now','localtime') order by rowid desc limit 1")
except sqlite3.Error:
TTLib.log("Ripristino Database")
os.system( "sudo cp -f db/swpiori.s3db db/swpi.s3db" )
os.system("sudo reboot")
data = dbCursor.fetchall()
if ( len(data) != 1):
if conn:
conn.close()
return False
# "2012-10-19 11:15:50.375000"
self.previous_measure_time = datetime.datetime.strptime(data[0][0],"%Y-%m-%d %H:%M:%S.%f")
# self.idx = datetime.datetime.strptime(data[0][1],"%Y-%m-%d %H:%M:%S.%f")
# self.wind_dir_code = (data[0][2])
# self.wind_dir = (data[0][3])
# self.wind_ave = (data[0][4])
# self.wind_gust = (data[0][5])
# self.temp_out = (data[0][6])
# self.abs_pressure = (data[0][7])
# self.hum_out = (data[0][8])
self.rain = (data[0][9])
#print "-----------------------------------------",self.rain
self.rain_rate = (data[0][10])
# self.temp_in = (data[0][11])
# self.hum_in = (data[0][12])
# self.wind_chill = (data[0][13])
# self.temp_apparent = (data[0][14])
# self.dew_point = (data[0][15])
# self.uv = (data[0][16])
# self.illuminance = (data[0][17])
self.winDayMin = (data[0][18])
self.winDayMax = (data[0][19])
self.winDayGustMin = (data[0][20])
self.winDayGustMax = (data[0][21] )
self.TempOutMin = (data[0][22])
self.TempOutMax = (data[0][23])
self.TempInMin = (data[0][24])
self.TempInMax = (data[0][25])
self.UmOutMin = (data[0][26])
self.UmOutMax = (data[0][27])
self.UmInMin = (data[0][28])
self.UmInMax = (data[0][29])
self.PressureMin = (data[0][30])
self.PressureMax = (data[0][31])
dbCursor.execute("SELECT * FROM METEO where date(TIMESTAMP_LOCAL) = date('now','localtime') order by rowid asc limit 1")
data = dbCursor.fetchall()
if ( len(data) == 1):
self.previous_rain = (data[0][9])
else:
self.previous_rain = None
# self.previous_measure_time = self.last_measure_time
if conn:
conn.close()
return True
class CameraFiles(object):
def __init__(self):
self.img1FileName = None
self.img2FileName = None
self.fotos = None
self.img1IPFileName = None
self.img2IPFileName = None
self.cPIFilemane = None
def reset(self):
self.img1FileName = None
self.img2FileName = None
self.fotos = None
self.img1IPFileName = None
self.img2IPFileName = None
self.cPIFilemane = None
if __name__ == '__main__':
configfile = 'swpi.cfg'
cfg = config.config(configfile)
mt = MeteoData(cfg)
conn = sqlite3.connect('db/swpi.s3db',200)
dbCursor = conn.cursor()
dbCursor.execute("SELECT * FROM METEO where datetime(TIMESTAMP_LOCAL) > datetime('now','-1 day','localtime') order by rowid asc limit 1")
data = dbCursor.fetchall()
if ( len(data) == 1):
therain = (data[0][9])
mt.rain_rate_24h = therain
print mt.rain_rate_24h
else : print " nodara"
dbCursor.execute("SELECT * FROM METEO where datetime(TIMESTAMP_LOCAL) > datetime('now','-1 hour','localtime') order by rowid asc limit 1")
data = dbCursor.fetchall()
if ( len(data) == 1):
therain = (data[0][9])
mt.rain_rate_1h = therain
print mt.rain_rate_1h
else : print " nodara"
if conn:
conn.close()
# except:
# pass
# mt.getLastFromDB()
# mt.getLastTodayFromDB()