def export_track(self, track, filename, filetype, trim=None, prepend_datetime=False, zoffset=0, mode="default"):
# filetype 'gpx', 'kmz' or 'km'
if filetype not in ["kmz", "kml", "gpx"]:
raise AssertionError("Unsupported filetype %s" % filetype)
track_info = self.get_trackinfo(track)
tpoints = self.get_trackpoints(track_info)
if prepend_datetime:
stime = time.localtime(track_info["start"])
filename = os.path.join(
os.path.dirname(filename), time.strftime("%Y-%m-%d-%H-%M-%S-", stime) + os.path.basename(filename)
)
is_km = filetype in ["kmz", "kml"]
if is_km:
from kml import KmlDoc
if filetype == "gpx":
from gpx import GpxDoc
if trim:
tpoints = trim_trackpoints(track_info, tpoints, trim)
optpoints = optimize(tpoints, 0)
self.log.info("Count: %u, opt: %u", len(tpoints), len(optpoints))
if is_km:
kml = KmlDoc(os.path.splitext(os.path.basename(filename))[0])
kml.add_trackpoints(optpoints, int(zoffset), extrude="air" not in mode)
if filetype == "kmz":
import zipfile
import cStringIO as StringIO
out = StringIO.StringIO()
kml.write(out)
out.write("\n")
z = zipfile.ZipFile(filename, "w", zipfile.ZIP_DEFLATED)
z.writestr("doc.kml", out.getvalue())
if filetype == "kml":
with open(filename, "wt") as out:
kml.write(out)
out.write("\n")
if filetype == "gpx":
gpx = GpxDoc(os.path.splitext(os.path.basename(filename))[0], track_info["start"])
gpx.add_trackpoints(optpoints, int(zoffset))
with open(filename, "wt") as out:
gpx.write(out)
out.write("\n")
if km:
kml = KmlDoc(os.path.splitext(os.path.basename(km))[0])
kml.add_trackpoints(optpoints, int(options.zoffset),
extrude='air' not in options.mode)
if options.kmz:
import zipfile
import cStringIO as StringIO
out = StringIO.StringIO()
kml.write(out)
out.write('\n')
z = zipfile.ZipFile(options.kmz, 'w',
zipfile.ZIP_DEFLATED)
z.writestr('doc.kml', out.getvalue())
if options.kml:
with open(options.kml, 'wt') as out:
kml.write(out)
out.write('\n')
if options.gpx:
gpx = GpxDoc(os.path.splitext( \
os.path.basename(options.gpx))[0],
track_info['start'])
gpx.add_trackpoints(optpoints, int(options.zoffset))
with open(options.gpx, 'wt') as out:
gpx.write(out)
out.write('\n')
except AssertionError, e:
print >> sys.stderr, 'Error: %s' % e[0]
log.info('Count: %u, opt: %u',
len(tpoints), len(optpoints))
if km:
kml = KmlDoc(os.path.splitext(os.path.basename(km))[0])
kml.add_trackpoints(optpoints, int(options.zoffset),
extrude='air' not in options.mode)
if options.kmz:
import zipfile
import cStringIO as StringIO
out = StringIO.StringIO()
kml.write(out)
out.write('\n')
z = zipfile.ZipFile(options.kmz, 'w',
zipfile.ZIP_DEFLATED)
z.writestr('doc.kml', out.getvalue())
if options.kml:
with open(options.kml, 'wt') as out:
kml.write(out)
out.write('\n')
if options.gpx:
gpx = GpxDoc(os.path.splitext( \
os.path.basename(options.gpx))[0],
track_info['start'])
gpx.add_trackpoints(optpoints, int(options.zoffset))
with open(options.gpx, 'wt') as out:
gpx.write(out)
out.write('\n')
except AssertionError, e:
print >> sys.stderr, 'Error: %s' % e[0]