def main():
feature = kmlengine.GetRootFeature(kmldom.ParseKml(ReadFile(inputkml)))
if feature:
VisitFeature(feature, 0)
# Python deletes the feature and all of its descendant elements in turn.
else:
# The file is a KML fragment.
print 'No root feature in %s' % inputkml
def parseKML(kml, debug=False):
"""Here kml is a filestream prehaps generated by .read(). This function
Assumes that The KML contains a Document which contains only Points and
LineStrings. If there is at least one LineString, the points contained in
these LineStrings will be parsed and returned as one long string which is
readable by the Google Maps and Elevation APIs.
If Parsing fails, an attribute error should be thrown."""
# Use the convenience function to return the root feature of the parsed KML.
root_feature = kmlengine.GetRootFeature(kmldom.ParseKml(kml))
# We know the root feature is a Document which contains only Placemarks.
document = kmldom.AsDocument(root_feature)
numPlacemarks = document.get_feature_array_size()
coordinates = [[]]
coordCounter = 0
for i in range(numPlacemarks):
placemark = kmldom.AsPlacemark(document.get_feature_array_at(i))
geometry = placemark.get_geometry()
# Assume that the document contains only Points and LineStrings
try:
coordsDom = kmldom.AsLineString(geometry).get_coordinates()
numCoords = coordsDom.get_coordinates_array_size()
except AttributeError:
coordsDom = kmldom.AsPoint(geometry).get_coordinates()
numCoords = coordsDom.get_coordinates_array_size()
# Put all the coordinates in a list
for j in range(numCoords):
coordDom = coordsDom.get_coordinates_array_at(j)
coordinates[-1].append(
(coordDom.get_latitude(), coordDom.get_longitude()))
coordCounter += 1
# URLs can only be 2048 characters which works out to ~100
# coordinates
if coordCounter % 50 == 0:
coordinates.append([])
if coordCounter >= 25000:
raise Exception('Too many coordinates for Elevation API.')
if debug:
print "Number of coordinates: %d" % coordCounter
paths = []
for coords in coordinates:
# Get the coordinates in the format that the Google APIs want
coordinatesString = [coordToString(coord) for coord in coords]
coordinatesString = string.join(coordinatesString, '|')
paths.append(coordinatesString)
return paths
def LoadFile(self, filename):
# Public, can be called indirectly from command line.
if zipfile.is_zipfile(filename):
kml = self.__ReadKmlFromKmz(filename)
else:
kml = open(filename).read() # consume the entire file
dom = self.__GetRootFeature(kmldom.ParseKml(kml))
if dom is None:
showwarning('Bad KML', 'The KML data could not be parsed')
return
self.__SetDom(dom)
def runTest(self):
kml = '<Placemark>' \
'<Point><coordinates>1,2,3</coordinates></Point>' \
'</Placemark>'
element = kmldom.ParseKml(kml)
assert element
feature = kmldom.AsFeature(element)
assert feature
status,lat,lon = kmlengine.GetFeatureLatLon(feature)
assert True == status
assert 1 == lon
assert 2 == lat
def main(inputkml):
feature = kmlengine.GetRootFeature(kmldom.ParseKml(ReadFile(inputkml)))
(status, lat, lon) = kmlengine.GetFeatureLatLon(feature)
if status:
print 'center', lat, lon
bbox = kmlengine.Bbox()
status = kmlengine.GetFeatureBounds(feature, bbox)
if status:
print 'north', bbox.get_north()
print 'south', bbox.get_south()
print 'east', bbox.get_east()
print 'west', bbox.get_west()
def runTest(self):
kml = '<Placemark>' \
'<LineString><coordinates>1,2 -1,-2</coordinates></LineString>' \
'</Placemark>'
element = kmldom.ParseKml(kml)
assert element
feature = kmldom.AsFeature(element)
assert feature
bbox = kmlengine.Bbox()
status = kmlengine.GetFeatureBounds(feature, bbox)
assert status
assert 2 == bbox.get_north()
assert -2 == bbox.get_south()
assert 1 == bbox.get_east()
assert -1 == bbox.get_west()
def main():
print '== This is %s' % sys.argv[0]
kml = ('<kml>\n<Placemark>\n<name>foo</name>\n'
'<Point>\n<coordinates>-122, 37</coordinates>\n</Point>\n'
'</Placemark>\n</kml>')
print 'kml is:\n%s' % kml
print 'parsing kml'
# Use the convenience function to return the root feature of the parsed KML.
root_feature = kmlengine.GetRootFeature(kmldom.ParseKml(kml))
# We know the root feature is a Placemark.
placemark = kmldom.AsPlacemark(root_feature)
# Extract the coordinates and print them.
point = kmldom.AsPoint(placemark.get_geometry())
coordinates = point.get_coordinates().get_coordinates_array_at(0)
print 'lat: %0.3f, lng %0.3f' % (coordinates.get_latitude(),
coordinates.get_longitude())
# TODO: argparse for arguments
kmlfile = sys.argv[1]
kml_data = ""
if kmlfile.endswith('.kml'):
with open(kmlfile) as f:
kml_data = f.read()
elif kmlfile.endswith('.kmz'):
(success, kml_data) = kmlengine.KmzFile_OpenFromFile(kmlfile).ReadKml()
# check return code
if not success:
print "Failed to read KML from kmz file"
sys.exit(-1)
kml = kmldom.ParseKml(kml_data)
kml_root = kmlengine.GetRootFeature(kml)
placemarks = []
nodes = [kml_root]
while len(nodes) > 0:
node = nodes.pop()
if node.Type() == kmldom.Type_Document:
doc = kmldom.AsDocument(node)
for i in range(doc.get_feature_array_size()):
nodes.append(doc.get_feature_array_at(i))
if node.Type() == kmldom.Type_Placemark:
p = kmldom.AsPlacemark(node)
placemarks.append(p)
