Refacoring
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id101010
44
gsc.py
44
gsc.py
@@ -13,55 +13,47 @@ class GPSConverter(object):
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'''
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# Convert CH y/x/h to WGS height
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def CHtoWGSheight(self, y, x, h):
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# Converts militar to civil and to unit = 1000km
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# Axiliary values (% Bern)
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y_aux = (y - 600000) / 1000000
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x_aux = (x - 200000) / 1000000
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# Process height
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h = (h + 49.55) - (12.60 * y_aux) - (22.64 * x_aux)
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return h
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# Convert CH y/x to WGS lat
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def CHtoWGSlat(self, y, x):
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# Converts militar to civil and to unit = 1000km
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# Axiliary values (% Bern)
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y_aux = (y - 600000) / 1000000
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x_aux = (x - 200000) / 1000000
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# Process lat
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lat = (16.9023892 + (3.238272 * x_aux)) + \
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- (0.270978 * pow(y_aux, 2)) + \
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- (0.002528 * pow(x_aux, 2)) + \
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- (0.0447 * pow(y_aux, 2) * x_aux) + \
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- (0.0140 * pow(x_aux, 3))
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# Unit 10000" to 1 " and converts seconds to degrees (dec)
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# Unit 10000" to 1" and convert seconds to degrees (dec)
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lat = (lat * 100) / 36
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return lat
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# Convert CH y/x to WGS long
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def CHtoWGSlng(self, y, x):
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# Converts militar to civil and to unit = 1000km
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# Axiliary values (% Bern)
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y_aux = (y - 600000) / 1000000
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x_aux = (x - 200000) / 1000000
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# Process long
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lng = (2.6779094 + (4.728982 * y_aux) + \
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+ (0.791484 * y_aux * x_aux) + \
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+ (0.1306 * y_aux * pow(x_aux, 2))) + \
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- (0.0436 * pow(y_aux, 3))
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# Unit 10000" to 1 " and converts seconds to degrees (dec)
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# Unit 10000" to 1" and convert seconds to degrees (dec)
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lng = (lng * 100) / 36
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return lng
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# Convert decimal angle (degrees) to sexagesimal angle (degrees, minutes
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# and seconds dd.mmss,ss)
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# Convert decimal angle (° dec) to sexagesimal angle (dd.mmss,ss)
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def DecToSexAngle(self, dec):
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degree = int(math.floor(dec))
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minute = int(math.floor((dec - degree) * 60))
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second = (((dec - degree) * 60) - minute) * 60
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# Output: dd.mmss(,)ss
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return degree + (float(minute) / 100) + (second / 10000)
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# Convert sexagesimal angle (degrees, minutes and seconds dd.mmss,ss) to seconds
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# Convert sexagesimal angle (dd.mmss,ss) to seconds
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def SexAngleToSeconds(self, dms):
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degree = 0
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minute = 0
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@@ -69,49 +61,39 @@ class GPSConverter(object):
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degree = math.floor(dms)
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minute = math.floor((dms - degree) * 100)
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second = (((dms - degree) * 100) - minute) * 100
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# Result in degrees sex (dd.mmss)
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return second + (minute * 60) + (degree * 3600)
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# Convert sexagesimal angle (degrees, minutes and seconds "dd.mmss") to decimal angle (degrees)
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# Convert sexagesimal angle (dd.mmss) to decimal angle (degrees)
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def SexToDecAngle(self, dms):
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# Extract DMS
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# Input: dd.mmss(,)ss
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degree = 0
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minute = 0
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second = 0
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degree = math.floor(dms)
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minute = math.floor((dms - degree) * 100)
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second = (((dms - degree) * 100) - minute) * 100
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# Result in degrees dec (dd.dddd)
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return degree + (minute / 60) + (second / 3600)
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# Convert WGS lat/long (° dec) and height to CH h
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def WGStoCHh(self, lat, lng, h):
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# Converts degrees dec to sex
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lat = self.DecToSexAngle(lat)
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lng = self.DecToSexAngle(lng)
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# Converts degrees to seconds (sex)
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lat = self.SexAngleToSeconds(lat)
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lng = self.SexAngleToSeconds(lng)
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# Axiliary values (% Bern)
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lat_aux = (lat - 169028.66) / 10000
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lng_aux = (lng - 26782.5) / 10000
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# Process h
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h = (h - 49.55) + (2.73 * lng_aux) + (6.94 * lat_aux)
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return h
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# Convert WGS lat/long (° dec) to CH x
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def WGStoCHx(self, lat, lng):
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# Converts degrees dec to sex
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lat = self.DecToSexAngle(lat)
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lng = self.DecToSexAngle(lng)
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# Converts degrees to seconds (sex)
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lat = self.SexAngleToSeconds(lat)
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lng = self.SexAngleToSeconds(lng)
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# Axiliary values (% Bern)
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lat_aux = (lat - 169028.66) / 10000
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lng_aux = (lng - 26782.5) / 10000
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# Process X
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x = ((200147.07 + (308807.95 * lat_aux) + \
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+ (3745.25 * pow(lng_aux, 2)) + \
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+ (76.63 * pow(lat_aux,2))) + \
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@@ -121,16 +103,13 @@ class GPSConverter(object):
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# Convert WGS lat/long (° dec) to CH y
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def WGStoCHy(self, lat, lng):
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# Converts degrees dec to sex
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lat = self.DecToSexAngle(lat)
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lng = self.DecToSexAngle(lng)
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# Converts degrees to seconds (sex)
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lat = self.SexAngleToSeconds(lat)
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lng = self.SexAngleToSeconds(lng)
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# Axiliary values (% Bern)
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lat_aux = (lat - 169028.66) / 10000
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lng_aux = (lng - 26782.5) / 10000
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# Process Y
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y = (600072.37 + (211455.93 * lng_aux)) + \
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- (10938.51 * lng_aux * lat_aux) + \
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- (0.36 * lng_aux * pow(lat_aux, 2)) + \
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@@ -160,12 +139,15 @@ class GPSConverter(object):
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return d
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class GPRMC(object):
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''' Data object to store the nmea string.
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''' Object to store the nmea strings data.
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Explenation of the GPRMC NMEA data string:
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Explenation of the GPRMC NMEA Data string:
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$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W*70
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1 2 3 4 5 6 7 8 9 10 11 12
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1 220516 Time Stamp
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$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W,*70
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0 1 2 3 4 5 6 7 8 9 10 11 12
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0 $GPRMC Name
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1 220516 Time Stamp
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2 A validity - A-ok, V-invalid
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3 5133.82 current Latitude
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4 N North/South
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