Beispiel #1
0
    def receivedNmeaSentence(self, sentence):
        """ callback method - called from the NmeaBuffer """
        #print "GOT ",sentence
        # update last sentence time - to signal that we're receiving correct data
        if sentence is not None:
            self.lastSentenceTime = time.time()

        if sentence == "GPRMC":
            if (self.nmeaParser.lat != 0
                    or self.nmeaParser.lon != 0) and self.gpxDoc:
                curTime = datetime.datetime.now()
                trkpt = GpxCreation.createTrkPt(self.gpxDoc, self.nmeaParser,
                                                curTime)
                if self.gpxTrkseg.elementsByTagName("trkpt").count() == 0:
                    #if delay between start of recording and first trk point is too big,
                    #insert arbitary first track point to have a correct recording length
                    #(so that user is able to play all recorded data - video etc.)
                    diff = curTime - self.gpxTrksegStartTime
                    if diff.days * 24 * 3600 + diff.seconds > MAX_TRKSEG_EMPTY_BEGIN_TIME:
                        trkpt_stub = GpxCreation.createTrkPt(
                            self.gpxDoc, self.nmeaParser,
                            self.gpxTrksegStartTime)
                        self.gpxTrkseg.appendChild(trkpt_stub)
                self.gpxTrkseg.appendChild(trkpt)

            self.emitNewTrackPoint()
        if sentence == "PTNTHPR":
            self.emitNewTrackPoint()
Beispiel #2
0
	def receivedNmeaSentence(self, sentence):
		""" callback method - called from the NmeaBuffer """
		#print "GOT ",sentence
		# update last sentence time - to signal that we're receiving correct data
		if sentence is not None:
			self.lastSentenceTime = time.time()

		if sentence=="GPRMC":
			if (self.nmeaParser.lat!=0 or self.nmeaParser.lon!=0) and self.gpxDoc:
				curTime=datetime.datetime.now()
				trkpt=GpxCreation.createTrkPt(self.gpxDoc, self.nmeaParser, curTime)
				if self.gpxTrkseg.elementsByTagName("trkpt").count()==0:
					#if delay between start of recording and first trk point is too big,
					#insert arbitary first track point to have a correct recording length
					#(so that user is able to play all recorded data - video etc.)
					diff=curTime-self.gpxTrksegStartTime
					if diff.days*24*3600+diff.seconds>MAX_TRKSEG_EMPTY_BEGIN_TIME:
						trkpt_stub=GpxCreation.createTrkPt(self.gpxDoc, self.nmeaParser, self.gpxTrksegStartTime)
						self.gpxTrkseg.appendChild(trkpt_stub)
				self.gpxTrkseg.appendChild(trkpt)
			
			self.emitNewTrackPoint()
		if sentence=="PTNTHPR":
			self.emitNewTrackPoint()
Beispiel #3
0
	def initializeGpxOutput(self):
		"""Preinitialize gpx output object."""
		self.gpxDoc=QDomDocument()
		if os.path.isfile(self.gpxPath):
			file=QFile(self.gpxPath)
			if (file.open(QIODevice.ReadOnly)):
				self.gpxDoc.setContent(file)
				file.close()
				
				self.gpxRoot=self.gpxDoc.documentElement()		
		
				trkNodes=self.gpxRoot.elementsByTagName("trk")
				self.gpxTrk=trkNodes.item(trkNodes.length()-1).toElement()
				
				self.gpxTrkseg=self.gpxDoc.createElement("trkseg")
				self.gpxTrk.appendChild(self.gpxTrkseg)
		else:
			(self.gpxDoc,self.gpxTrkseg)=GpxCreation.createDom()
		
		self.gpxTrksegStartTime=datetime.datetime.now()
Beispiel #4
0
    def initializeGpxOutput(self):
        """Preinitialize gpx output object."""
        self.gpxDoc = QDomDocument()
        if os.path.isfile(self.gpxPath):
            file = QFile(self.gpxPath)
            if (file.open(QIODevice.ReadOnly)):
                self.gpxDoc.setContent(file)
                file.close()

                self.gpxRoot = self.gpxDoc.documentElement()

                trkNodes = self.gpxRoot.elementsByTagName("trk")
                self.gpxTrk = trkNodes.item(trkNodes.length() - 1).toElement()

                self.gpxTrkseg = self.gpxDoc.createElement("trkseg")
                self.gpxTrk.appendChild(self.gpxTrkseg)
        else:
            (self.gpxDoc, self.gpxTrkseg) = GpxCreation.createDom()

        self.gpxTrksegStartTime = datetime.datetime.now()