Working conversion of csv files
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id101010
175
gsc.py
175
gsc.py
@@ -137,41 +137,30 @@ class GPSConverter(object):
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- (44.54 * pow(lng_aux, 3))
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return y
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'''
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* Convert LV03 to WGS84 Return a array of double that contain lat, long,
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* and height
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*
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* @param east
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* @param north
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* @param height
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* @return
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'''
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def LV03toWGS84(self, east, north, height):
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d = [0,0,0]
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d[0] = self.CHtoWGSlat(east, north)
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d[1] = self.CHtoWGSlng(east, north)
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d[2] = self.CHtoWGSheight(east, north, height)
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'''
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Convert LV03 to WGS84 Return a array of double that contain lat, long,
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and height
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'''
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d = []
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d.append(self.CHtoWGSlat(east, north))
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d.append(self.CHtoWGSlng(east, north))
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d.append(self.CHtoWGSheight(east, north, height))
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return d
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'''
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* Convert WGS84 to LV03 Return an array of double that contaign east,
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* north, and height
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*
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* @param latitude
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* @param longitude
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* @param ellHeight
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* @return
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'''
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def WGS84toLV03(self, latitude, longitude, ellHeight):
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# , ref double east, ref double north, ref double height
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d = [0,0,0]
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d[0] = self.WGStoCHy(latitude, longitude)
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d[1] = self.WGStoCHx(latitude, longitude)
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d[2] = self.WGStoCHh(latitude, longitude, ellHeight)
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'''
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Convert WGS84 to LV03 Return an array of double that contaign east,
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north, and height
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'''
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d = []
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d.append(self.WGStoCHy(latitude, longitude))
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d.append(self.WGStoCHx(latitude, longitude))
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d.append(self.WGStoCHh(latitude, longitude, ellHeight))
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return d
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class GPRMC(object):
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''' Data object to temporary store the nmea string.
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''' Data object to store the nmea string.
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Explenation of the GPRMC NMEA Data string:
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$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W*70
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@@ -191,18 +180,18 @@ class GPRMC(object):
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'''
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# Object Fields
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TIME = 0 # Timestamp
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VAL = ''# Validity
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LAT = 0 # Current latitude
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LAT_NS = ''# Direciton of latitude [N or S]
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LON = 0 # Current longitude
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LON_EW = ''# Direction of longitude [E or W]
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SPEED = 0 # Current speed
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COURSE = 0 # Current course
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DATE = 0 # Datestamp
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VAR = 0 # Variation
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VAR_EW = 0 # Direction of the Variation [E or W]
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CHECK = 0 # Checksum
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TIME = 0 # Timestamp
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VAL = '' # Validity
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LAT = 0 # Current latitude
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LAT_NS = '' # Direciton of latitude [N or S]
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LON = 0 # Current longitude
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LON_EW = '' # Direction of longitude [E or W]
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SPEED = 0 # Current speed
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COURSE = 0 # Current course
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DATE = 0 # Datestamp
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VAR = 0 # Variation
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VAR_EW = '' # Direction of the Variation [E or W]
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CHECK = '' # Checksum
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# Get/Set functions
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def setTime(self, time):
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@@ -268,44 +257,86 @@ class GPRMC(object):
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# Helper functions
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def parseGPRMC(self, gprmc):
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''' Parses a gprmc string an sets the objects values accordingly.'''
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for words in gprmc:
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for j, word in enumerate(words.split(',')):
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if(j == 1 and word):
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self.TIME = int(round(float(word)))
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if(j == 2):
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self.VAL = word
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if(j == 3 and word):
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lat = float(word)
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lat = lat/100
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self.LAT = lat
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if(j == 4):
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self.LAT_NS = word
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if(j == 5 and word):
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lon = float(word)
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lon = lon/100
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self.LON = lon
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if(j == 6):
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self.LON_EW = word
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if(j == 7 and word):
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self.SPEED = float(word)
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if(j == 8 and word):
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self.COURSE = float(word)
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if(j == 9 and word):
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self.DATE = int(word)
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if(j == 10 and word):
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self.VAR = float(word)
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if(j == 11):
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self.VAR_EW = word
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if(j == 12):
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self.CHECK = word
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def generateGPRMC(self):
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''' Generate the objects gprmc sentence. '''
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gprmc = ''
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gprmc += "$GPRMC"
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gprmc += ','
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gprmc += str(self.getTime())
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gprmc += ','
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gprmc += str(self.getValidity())
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gprmc += ','
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gprmc += str(self.getLatitude())
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gprmc += ','
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gprmc += str(self.getDirectionOfLatitude())
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gprmc += ','
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gprmc += str(self.getLongitude())
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gprmc += ','
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gprmc += str(self.getDirectionOfLongitude())
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gprmc += ','
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gprmc += str(self.getSpeed())
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gprmc += ','
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gprmc += str(self.getCourse())
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gprmc += ','
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gprmc += str(self.getDate())
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gprmc += ','
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gprmc += str(self.getVariation())
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gprmc += ','
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gprmc += str(self.getDirectionOfVariation())
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gprmc += ','
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gprmc += str(self.getChecksum())
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return gprmc
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if __name__ == "__main__":
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# Test koordinaten UNI Bern in WGS84
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# Sexagesimal: Länge 7° 26' 22.50" / Breite 46° 57' 08.66"
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# Decimal: Länge 7.438808 / Breite 46.951286
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uniblat = 46.951286
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uniblng = 7.438808
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testlat = 47.010422
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testlng = 7.360393
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lv03 = [0,0,0]
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converter = GPSConverter()
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lv03 = converter.WGS84toLV03(testlat, testlng, 0)
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data = []
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print lv03
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testfile="/home/aaron/Downloads/Test.csv"
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lines = csv.reader(open(testfile, 'r'))
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# Read file
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inputfile = "Test.csv"
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outputfile = "Out.csv"
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lines = csv.reader(open(inputfile, 'r'))
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# Generate a List of filled GPRMC objects
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for i, line in enumerate(lines):
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if line:
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print "[%d ----------------------------------]: " % i
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for words in line:
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for j, word in enumerate(words.split(',')):
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#print "[%d]: " % j + "%s" % word
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if(j == 3):
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lat = float(word)
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lat = lat/100
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if(j == 5):
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lon = float(word)
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lon = lon/100
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if(j == 6):
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lv03 = converter.WGS84toLV03(lat, lon, 0)
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print "[WGS84]: " + "%fN" % lat + " %fE" % lon
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print "[LV03]: " + "%f" % lv03[0] + " %f" % lv03[1]
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data.append(GPRMC())
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data[i].parseGPRMC(line)
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# Open a new csv file and write [time,lat,lon] to it.
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with open(outputfile, 'wb') as csvfile:
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writer = csv.writer(csvfile, delimiter=',', quotechar='|', quoting=csv.QUOTE_MINIMAL)
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# Iterate over each object in the list
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for stuff in data:
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print "[DEBUG]: " + stuff.generateGPRMC()
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data = converter.WGS84toLV03(stuff.getLatitude(), stuff.getLongitude(), 0)
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writer.writerow([stuff.getTime(), data[0], data[1]])
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