) if str_max_features_line_barriers else INFINITY
max_features_polygon_barriers = int(
str_max_features_polygon_barriers
) if str_max_features_polygon_barriers else INFINITY
max_facilities = int(
str_max_facilities) if str_max_facilities else INFINITY
max_facilities_to_find = int(
str_max_facilities_to_find) if str_max_facilities_to_find else INFINITY
max_incidents = int(str_max_incidents) if str_max_incidents else INFINITY
force_hierarchy_beyond_distance = float(
str_force_hierarchy_beyond_distance
) if str_force_hierarchy_beyond_distance else INFINITY
#Check if the output feature class names are valid. Fail with first invalid name
nau.check_valid_table_name(
out_routes_name, out_gdb_workspace, 30101,
parameter_info[parameter_index['out_routes_name']].displayName)
nau.check_valid_table_name(
out_directions_name, out_gdb_workspace, 30101,
parameter_info[parameter_index['out_directions_name']].displayName)
nau.check_valid_table_name(
out_facilities_name, out_gdb_workspace, 30101,
parameter_info[parameter_index['out_facilities_name']].displayName)
desc_nds = arcpy.Describe(network_dataset)
desc_nds_attributes = desc_nds.attributes
#Convert all input features to feature sets or recordsets if they are not
#This is required as if input is passed a feature layer or feature class
#We will end up directly modifying the inputs
pointBarriers = point_barriers_obj.catalogPath
if line_barriers_obj.count:
line_barriers_obj.copyFeatures(out_workspace, LINE_BARRIER_FIELDS)
lineBarriers = line_barriers_obj.catalogPath
if polygon_barriers_obj.count:
polygon_barriers_obj.copyFeatures(out_workspace, POLYGON_BARRIER_FIELDS)
polygonBarriers = polygon_barriers_obj.catalogPath
if attribute_parameters_obj.count:
attribute_parameters_obj.copyFeatures(out_workspace, ATTRIBUTE_PARAMETER_FIELDS)
attributeParameters = attribute_parameters_obj.catalogPath
#If the network dataset does not support hierarchy, set the useHierarchy parameter to false.
ndsSupportsHierarchy = nau.nds_supports_hierarchy(descNDSAttributes)
if not ndsSupportsHierarchy:
useHierarchy = False
isTrimDistanceZero = False
if not polygonTrimDistance or polygonTrimDistance.split(" ")[0] == '0':
isTrimDistanceZero = True
#determine whether we should use time based or distance based impedance attribute based on break units
#using python ternary operator here.
impedanceAttribute = timeImpedance if breakUnits.lower() in TIME_UNITS else distanceImpedance
#get the user supplied break values as list for easy processing
breakValueList = [val.encode("utf-8") for val in breakValues.strip().split()]
breakValueCount = len(breakValueList)
if breakValueCount == 0:
arcpy.AddIDMessage("ERROR",30117)
raise nau.InputError()
#Find the largest break value.
# Convert constraint values from strings to number. If empty string use max Int
max_features_point_barriers = int(str_max_features_point_barriers) if str_max_features_point_barriers else INFINITY
max_features_line_barriers = int(str_max_features_line_barriers) if str_max_features_line_barriers else INFINITY
max_features_polygon_barriers = (
int(str_max_features_polygon_barriers) if str_max_features_polygon_barriers else INFINITY
)
max_facilities = int(str_max_facilities) if str_max_facilities else INFINITY
max_facilities_to_find = int(str_max_facilities_to_find) if str_max_facilities_to_find else INFINITY
max_incidents = int(str_max_incidents) if str_max_incidents else INFINITY
force_hierarchy_beyond_distance = (
float(str_force_hierarchy_beyond_distance) if str_force_hierarchy_beyond_distance else INFINITY
)
# Check if the output feature class names are valid. Fail with first invalid name
nau.check_valid_table_name(
out_routes_name, out_gdb_workspace, 30101, parameter_info[parameter_index["out_routes_name"]].displayName
)
nau.check_valid_table_name(
out_directions_name,
out_gdb_workspace,
30101,
parameter_info[parameter_index["out_directions_name"]].displayName,
)
nau.check_valid_table_name(
out_facilities_name,
out_gdb_workspace,
30101,
parameter_info[parameter_index["out_facilities_name"]].displayName,
)
desc_nds = arcpy.Describe(network_dataset)
strMaxBreakTime) if strMaxBreakTime else INFINITY
maxBreakDistance = locale.atof(
strMaxBreakDistance) if strMaxBreakDistance else INFINITY
forceHierarchyTime = locale.atof(
strForceHierarchyTime) if strForceHierarchyTime else INFINITY
forceHierarchyDistance = locale.atof(
strForceHierarchyDistance) if strForceHierarchyDistance else INFINITY
descNDS = arcpy.Describe(networkDataset)
descNDSAttributes = descNDS.attributes
#Convert all input features to feature sets or recordsets if they are not
#This is required as if input is passed a feature layer or feature class
#We will end up directly modifying the inputs
facilities_obj = nau.InputFeatureClass(facilities)
#Store the OBJECTID field for facilities as it will used later when exporting output facilities
orig_input_facilities_oid_fld_name = facilities_obj.origOIDFieldName
#Store the describe object and all the fields names from input facilities to be used later when exporting output facilities
orig_input_facilities_desc = facilities_obj.describeObject
#orig_input_facilities_fld_aliases = {f.name:f.aliasName for f in orig_input_facilities_desc.fields}
point_barriers_obj = nau.InputFeatureClass(pointBarriers)
line_barriers_obj = nau.InputFeatureClass(lineBarriers)
polygon_barriers_obj = nau.InputFeatureClass(polygonBarriers)
attribute_parameters_obj = nau.InputTable(attributeParameters)
#Keep a list of input copies so we can delete them just before exit
input_copies = (facilities_obj, point_barriers_obj, line_barriers_obj,
polygon_barriers_obj, attribute_parameters_obj)
#Get counts for facilities, incidents, barrier features and attribute parameters
facility_count = facilities_obj.count
