def loadGeoJSON(filename):
"""Load GeoJSON files."""
if filename.endswith('.gz'):
filename = gunzip(filename)
jr = vtk.vtkGeoJSONReader()
jr.SetFileName(filename)
jr.Update()
return Actor(jr.GetOutput())
def load_geojson(input_string, feature_properties={}):
'''Parses input_string with vtkGeoJSONReader, returns vtkPolyData
feature_properties is a dictionary of name-default_values
to attach as cell data in the returned vtkPolyData.
'''
reader = vtk.vtkGeoJSONReader()
reader.StringInputModeOn()
reader.SetStringInput(input_string)
for name,default_value in feature_properties.items():
reader.AddFeatureProperty(name, default_value)
reader.Update()
return reader.GetOutput()
def load_geojson(input_string, feature_properties={}):
'''Parses input_string with vtkGeoJSONReader, returns vtkPolyData
feature_properties is a dictionary of name-default_values
to attach as cell data in the returned vtkPolyData.
'''
reader = vtk.vtkGeoJSONReader()
reader.StringInputModeOn()
reader.SetStringInput(input_string)
for name,default_value in feature_properties.items():
reader.AddFeatureProperty(name, default_value)
reader.Update()
return reader.GetOutput()
def loadGeoJSONData(filename):
geoString = None
with open(filename, 'r') as f:
geoString = f.read()
reader = vtk.vtkGeoJSONReader()
reader.StringInputModeOn()
reader.SetStringInput(geoString)
reader.Update()
dataset = reader.GetOutput()
return dataset