def rebuild(self):
"""
Rebuild the folium map.
:return: None.
"""
if self.spatialData and self.selectedSpecies:
allCoordinates = [n[0] for m in self.spatialData.values() for n in m]
centerCoordinate = DatasetProcessor.randomEstimateLocation(allCoordinates)
zoom = self.zoom + 4
self.fMap = folium.Map(location=centerCoordinate, zoom_start=zoom,
tiles=self.tile, attr=self.attr)
else:
self.fMap = folium.Map(location=self.location, zoom_start=self.zoom,
tiles=self.tile, attr=self.attr)
def importData(self):
"""
Import data from a Darwin Core Archive (DwC-A) file. |br|
Store them in ``Dataset``.
:return: None.
"""
if self.spatialData:
title = "Dataset Already Imported"
content = "To import new data, please clear data first."
self.mainWindow.alert(title, content, 3)
return
title, extension = "Select a DwC-A File", "DwC-A File (*.zip)"
filename = self.mainWindow.openFile(title, extension)
if filename:
try:
archiveData, archiveMeta = DatasetProcessor.extractDarwinCoreArchive(filename)
if archiveMeta["coreType"] not in Dataset.supportedCores:
title = "Unsupported DwC Type"
content = (
"The provided file has core type of " + archiveMeta["coreType"] + ".\n"
"This program only support " + ", ".join(Dataset.supportedCores) + "."
)
self.mainWindow.alert(title, content, 3)
return
columns = [
("individualCount", True),
("eventDate", True),
("decimalLatitude", True),
("decimalLongitude", True),
("scientificName", True),
("vernacularName", False)
]
try:
dataList = DatasetProcessor.extractCsv(archiveData, archiveMeta, columns)
except ValueError as e:
title = "Invalid DwC-A File"
content = str(e) + "\nPlease select a DwC-A file with such field."
self.mainWindow.alert(title, content, 3)
return
except:
title = "Invalid DwC-A File"
content = (
"The provided file is either not in DwC-A format or corrupted.\n"
"Please select a valid one.\n\n"
)
self.mainWindow.alert(title, content + format_exc(), 3)
return
for r in dataList:
try:
r0int = int(r[0])
r1datetime = parse(r[1])
r2float = float(r[2])
r3float = float(r[3])
if not r[4]:
raise ValueError("Field \"scientificName\" is empty.")
except:
title = "Invalid Record Found"
content = "The following record is invalid and will be ignored:\n"
self.mainWindow.alert(title, content + pformat(r), 2)
else:
self.spatialData[r[4]] = ((r2float, r3float), r0int)
self.temporalData[r[4]] = (r1datetime, r0int)
self.auxiliaryData[r[4]] = r[5]
title = "Dataset Successfully Imported"
content = "{:,d} records have been loaded.".format(len(dataList))
self.mainWindow.alert(title, content, 0)