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#!/usr/bin/env python
# Copyright 2008, Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. Neither the name of Google Inc. nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This program demonstrates use of the KML DOM Python SWIG bindings for
# creating and accessing simple elements and attributes such as
# Feature's <name> and <visibility> and Object's id= as in <Placemark>.
import sys
import kmlbase
import kmldom
import kmlengine
# Program main: Parse a simple Point Placemark and print the coordinates.
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())
if __name__ == '__main__':
main()
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