def loadNetwork(self, network, cost=None, cutoff=None, numToFind=None, searchDist=None, cutoffFld=None, numToFindFld=None, mappings=[]):
common.progress('creating routing layer')
if not numToFind:
numToFind = common.count(self.places)
self.naLayer = self.makeNALayer(common.checkFile(network), self.NA_LAY, cost, cutoff, numToFind)
self.cost = cost
self.placeMapper.addSilentField(cost, float)
common.progress('calculating places\' network locations')
self.calculateLocations(network, self.places, searchDist)
common.progress('loading places to network')
# create mappings
toMappingList = common.NET_FIELDS + [(self.NAME_MAP, self.placesIDField, None)]
for item in mappings:
toMappingList.append(item + [None])
fromMappingList = toMappingList[:]
if cutoffFld:
fromMappingList.append((self.CUTOFF_PREFIX + cost, cutoffFld, None))
if numToFindFld:
fromMappingList.append((self.NUM_TO_FIND_HEADER, numToFindFld, None))
# load locations
arcpy.AddLocations_na(self.NA_LAY, self.OD_SUBLAYERS[0], self.places, self.networkMappings(fromMappingList), '', append='clear')
arcpy.AddLocations_na(self.NA_LAY, self.OD_SUBLAYERS[1], self.places, self.networkMappings(toMappingList), '', append='clear')
self.routeSublayer = common.sublayer(self.naLayer, self.OUTPUT_SUBLAYER)
self.linkMapper = conversion.LinkFieldMapper(self.routeSublayer)
try:
self.linkMapper.addMapField(self.OUT_COST_PREFIX + cost, cost)
except conversion.FieldError:
raise conversion.FieldError, 'cost attribute %s not found in network dataset' % cost
def loadNetwork(self, network, cost, searchDist, mappings=[]):
common.progress('calculating places\' network locations')
network = common.checkFile(network)
self.calculateLocations(network, self.places, searchDist)
self.mappings = self.networkMappings(common.NET_FIELDS + mappings)
if self.speedup:
self.performSpeedup(network, cost)
common.progress('preparing routing layer')
self.naLayer = self.makeRouteLayer(network, self.ROUTE_LAY, cost)
self.routeSublayer = common.sublayer(self.naLayer, 'Routes')
# common.debug(common.fieldList(self.routeSublayer))
self.cost = cost
self.placeMapper.addSilentField(self.cost, float)
def loadNetwork(self, network, cost=None, searchDist=None, breaks=[1]):
common.progress('creating routing layer')
# if not numToFind:
# numToFind = common.count(self.places)
self.naLayer = self.makeNALayer(common.checkFile(network), self.NA_LAY, cost, breaks)
common.progress('calculating places\' network locations')
self.calculateLocations(network, self.places, searchDist)
common.progress('loading places to network')
# create mappings
toMappingList = common.NET_FIELDS + [(self.NAME_MAP, self.placesIDField, None)]
for item in mappings:
toMappingList.append(item + [None])
# fromMappingList = toMappingList[:]
# if cutoffFld:
# fromMappingList.append((self.CUTOFF_PREFIX + cost, cutoffFld, None))
# if numToFindFld:
# fromMappingList.append((self.NUM_TO_FIND_HEADER, numToFindFld, None))
# load locations
arcpy.AddLocations_na(self.NA_LAY, self.OD_SUBLAYER, self.places, self.networkMappings(toMappingList), '', append='clear')
self.outputSublayer = common.sublayer(self.naLayer, self.OUTPUT_SUBLAYER)