本文整理汇总了Python中arcpy.ListFeatureClasses方法的典型用法代码示例。如果您正苦于以下问题:Python arcpy.ListFeatureClasses方法的具体用法?Python arcpy.ListFeatureClasses怎么用?Python arcpy.ListFeatureClasses使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类arcpy
的用法示例。
在下文中一共展示了arcpy.ListFeatureClasses方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: getFC
# 需要导入模块: import arcpy [as 别名]
# 或者: from arcpy import ListFeatureClasses [as 别名]
def getFC(ws, fc_name, fds=""):
fc_list = arcpy.ListFeatureClasses("*" + fc_name, feature_dataset=fds)
if not fc_list:
fc = ""
arcpy.AddWarning(fc_name + " not found in " + ws + ".")
else:
fc = os.path.join(ws, fds, fc_list[0])
return fc
示例2: GetFieldInfo
# 需要导入模块: import arcpy [as 别名]
# 或者: from arcpy import ListFeatureClasses [as 别名]
def GetFieldInfo(gdb):
# Not being used any more.
#
# Assumption is that this is all dictated by the XML Workspace document so schema problems
# should not occur as long as the standard tools were used to create all databases.
#
# Create standard schema description for each geodatabase and use it in comparison
# to the rest of the tables
try:
env.workspace = gdb
tblList = arcpy.ListTables()
tblList.extend(arcpy.ListFeatureClasses())
tblList.extend(arcpy.ListRasters())
dSchema = dict()
arcpy.SetProgressorLabel("Reading geodatabase schema...")
arcpy.SetProgressor("step", "Reading geodatabase schema...", 0, len(tblList), 1)
for tbl in tblList:
tblName = tbl.encode('ascii').upper()
arcpy.SetProgressorLabel("Reading schema for " + os.path.basename(gdb) + ": " + tblName )
desc = arcpy.Describe(tblName)
fields = desc.fields
stdSchema = list()
for fld in fields:
stdSchema.append((fld.baseName.encode('ascii').upper(), fld.length, fld.precision, fld.scale, fld.type.encode('ascii').upper()))
#stdSchema.append((fld.baseName.encode('ascii').upper(), fld.length, fld.precision, fld.scale, fld.type.encode('ascii').upper(), fld.aliasName.encode('ascii').upper()))
dSchema[tblName] = stdSchema
arcpy.SetProgressorPosition()
arcpy.ResetProgressor()
return dSchema
except:
errorMsg()
return dict()
## ===================================================================================
示例3: WriteCSV
# 需要导入模块: import arcpy [as 别名]
# 或者: from arcpy import ListFeatureClasses [as 别名]
def WriteCSV(self):
# This function writes the CSV. It writes the header then the rows. This script omits the SHAPE fields.
try:
env.workspace = self._tempWorkspace
#fc = arcpy.ListFeatureClasses(self._layers)
# for fcs in self._layer:
fcs = self._layer
if arcpy.Exists(fcs):
with open(self._CSVLocation, 'wb') as outFile:
print "%s create" % self._CSVLocation
linewriter = csv.writer(outFile, delimiter = ',')
fcdescribe = arcpy.Describe(fcs)
flds = fcdescribe.Fields
# skip shape fields and derivatives
attrs = ("areaFieldName", "lengthFieldName", "shapeFieldName")
resFields = [getattr(fcdescribe, attr) for attr in attrs
if hasattr(fcdescribe, attr)]
header,fldLst = zip(*((fld.AliasName, fld.name) for fld in flds
if fld.name not in resFields))
linewriter.writerow([h.encode('utf8') if isinstance(h, unicode) else h for h in header])
linewriter.writerows([[r.encode('utf8') if isinstance(r, unicode) else r for r in row]
for row in arcpy.da.SearchCursor(fcs, fldLst)])
print "CSV file complete"
return True
except arcpy.ExecuteError:
line, filename, synerror = trace()
raise ReportToolsError({
"function": "create_report_layers_using_config",
"line": line,
"filename": filename,
"synerror": synerror,
"arcpyError": arcpy.GetMessages(2),
}
)
except:
line, filename, synerror = trace()
raise ReportToolsError({
"function": "create_report_layers_using_config",
"line": line,
"filename": filename,
"synerror": synerror,
}
)
示例4: get_feature_classes
# 需要导入模块: import arcpy [as 别名]
# 或者: from arcpy import ListFeatureClasses [as 别名]
def get_feature_classes(self):
"""Get geodatabase feature classes as ordered dicts."""
fcs = []
if self.arcpy_found:
arcpy.env.workspace = self.path
# iterate feature classes within feature datasets
fds = [fd for fd in arcpy.ListDatasets(feature_type='feature')]
if fds:
for fd in fds:
arcpy.env.workspace = os.path.join(self.path, fd)
for fc in arcpy.ListFeatureClasses():
od = self._get_fc_props(fc)
od['Feature dataset'] = fd
fcs.append(od)
# iterate feature classes in the geodatabase root
arcpy.env.workspace = self.path
for fc in arcpy.ListFeatureClasses():
od = self._get_fc_props(fc)
fcs.append(od)
else:
ds = ogr.Open(self.path, 0)
fcs_names = [
ds.GetLayerByIndex(i).GetName()
for i in range(0, ds.GetLayerCount())
if ds.GetLayerByIndex(i).GetGeometryColumn()
]
for fc_name in fcs_names:
try:
fc_instance = FeatureClassOgr(self, fc_name)
od = OrderedDict()
for k, v in GDB_FC_PROPS.items():
od[v] = getattr(fc_instance, k, '')
# custom props
od['Row count'] = fc_instance.get_row_count()
fcs.append(od)
except Exception as e:
print(e)
return fcs
# ----------------------------------------------------------------------