git-svn-id: http://www.neo1973-germany.de/svn@151 46df4e5c-bc4e-4628-a0fc-830ba316316d

PyTracker/WriteGPX.py

@@ -0,0 +1,41 @@
+#!/usr/bin/python
+'''
+authors: Pau1us
+license: gpl v2 or later
+
+This is a Class to creat *.gpx Files
+Usage:
+open new file: file = WriteGPX(filename)
+write trackpint: file.write(lat, lon, alt, utctime)
+close file: file.close()
+The file musst be closed, otherwise the file will be incomplete
+'''
+
+
+class WriteGPX:
+	def __init__(self, filename):
+		self.filename = filename
+		self.header = '<?xml version="1.0" encoding="UTF-8"?>\n\
+<gpx	version="1.1"\n\
+	creator="WriteGPX - Python Class used in PyTracker.py"\n\
+	xmlns:xsi="http://www.w3.org/XML/1998/namespace"\n\
+	xmlns="http://www.topografix.com/GPX/1/1"\n\
+	xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">\n\
+<trk>\n\
+<trkseg>\n'
+		self.footer = '</trkseg>\n</trk>\n</gpx>\n'
+		
+		with open(self.filename,'a') as file:
+			file.write(self.header)
+	
+	def write(self, lat, lon, ele, time):
+		self.trackpoint = '<trkpt lat="%s" lon="%s">\n\
+<ele>%s</ele>\n\
+<time>%s</time>\n\
+</trkpt>\n' % (lat, lon, ele, time)
+		with open(self.filename,'a') as file:
+			file.write(self.trackpoint)
+	
+	def close(self):
+		with open(self.filename,'a') as file:
+			file.write(self.footer)