def to_kml( self ):
"""
Summary: This method opens an ESRI shapefile and extracts all the
vertices for every feature (point, polygon), attribute table data names and
attribure table row data. All this data is packaged in a bundle (a
list) and passed to a generate kml method. The method automatically
detects the geometry type (point or polygon) and passes it to the
proper 'make kml' method.
"""
# calls a method in shapefile_utilities that grabs the shapefile's
# coordinates, attribute columns, attribute row data and other information.
kmlPacket = get_shapefile_data( self.shapeFilePath )
self.kmlBundle = kmlPacket[0]
self.attributeColumns = kmlPacket[1]
self.coordHolder = kmlPacket[2]
self.geomTracker = kmlPacket[3]
self.fileRoot = kmlPacket[4]
# calls method from pygis.kml.kml_utilities. The kwarg 'fromShapefile' HAS to be set to 'True'.
make_kml(
self.outFolderPath,
self.fileRoot + '.kml', # kmlFileName
self.kmlBundle[1:], # bubbleFields
self.geomTracker, # bundle of data
self.kmlBundle[0],
fromShapefile=True
)
def to_kml(self):
"""
Summary: This method opens an ESRI shapefile and extracts all the
vertices for every feature (point, polygon), attribute table data names and
attribure table row data. All this data is packaged in a bundle (a
list) and passed to a generate kml method. The method automatically
detects the geometry type (point or polygon) and passes it to the
proper 'make kml' method.
"""
# calls a method in shapefile_utilities that grabs the shapefile's
# coordinates, attribute columns, attribute row data and other information.
kmlPacket = get_shapefile_data(self.shapeFilePath)
self.kmlBundle = kmlPacket[0]
self.attributeColumns = kmlPacket[1]
self.coordHolder = kmlPacket[2]
self.geomTracker = kmlPacket[3]
self.fileRoot = kmlPacket[4]
# calls method from pygis.kml.kml_utilities. The kwarg 'fromShapefile' HAS to be set to 'True'.
make_kml(
self.outFolderPath,
self.fileRoot + '.kml', # kmlFileName
self.kmlBundle[1:], # bubbleFields
self.geomTracker, # bundle of data
self.kmlBundle[0],
fromShapefile=True)
def get( self ):
"""
This method pass the shapefilepath to a method in a module that returns
all the needed data. It uses the returned data to parse it
appropriately for the geometery type (i.e point or polygon)
"""
# the 'get_shapefile_data() method is called from the
# 'shapefile_utilities' module. The returned data is assigned to a variable
kmlPacket = get_shapefile_data( self.shapeFilePath )
# The packet of data is taken apart and the appropriate variables are assigned
self.kmlBundle = kmlPacket[0]
self.attributeColumns = kmlPacket[1]
self.geomType = kmlPacket[3]
self.fileName = kmlPacket[4] + '.shp'
self.vertices = []
self.featureCount = ''
self.attributeRowData = []
coordHolder = kmlPacket[2]
# Assigned proper attributes for point shapefiles
if self.geomType == 'Point':
self.vertices = [ x[:2] for x in coordHolder ]
self.featureCount = len( self.vertices )
self.attributeRowData = [ x[2:] for x in coordHolder ]
# Assigned proper attributes for polygon shapefiles
elif self.geomType == 'Polygon':
self.vertices = [ x[:-1] for x in coordHolder ]
self.featureCount = len( self.vertices )
self.attributeRowData = [ x[-1:][0] for x in coordHolder ]
# Exit if something didn't work or if the geometry type is a polyline, which isn't supported.
else:
print 'Something happend and there is an unexpected failure'
sys.exit(1)
def get(self):
"""
This method pass the shapefilepath to a method in a module that returns
all the needed data. It uses the returned data to parse it
appropriately for the geometery type (i.e point or polygon)
"""
# the 'get_shapefile_data() method is called from the
# 'shapefile_utilities' module. The returned data is assigned to a variable
kmlPacket = get_shapefile_data(self.shapeFilePath)
# The packet of data is taken apart and the appropriate variables are assigned
self.kmlBundle = kmlPacket[0]
self.attributeColumns = kmlPacket[1]
self.geomType = kmlPacket[3]
self.fileName = kmlPacket[4] + '.shp'
self.vertices = []
self.featureCount = ''
self.attributeRowData = []
coordHolder = kmlPacket[2]
# Assigned proper attributes for point shapefiles
if self.geomType == 'Point':
self.vertices = [x[:2] for x in coordHolder]
self.featureCount = len(self.vertices)
self.attributeRowData = [x[2:] for x in coordHolder]
# Assigned proper attributes for polygon shapefiles
elif self.geomType == 'Polygon':
self.vertices = [x[:-1] for x in coordHolder]
self.featureCount = len(self.vertices)
self.attributeRowData = [x[-1:][0] for x in coordHolder]
# Exit if something didn't work or if the geometry type is a polyline, which isn't supported.
else:
print 'Something happend and there is an unexpected failure'
sys.exit(1)
