ee.Geometry.MultiLineString.edgesAreGeodesics

  • The edgesAreGeodesics() method checks if the edges of a geometry are geodesics on a spherical Earth model.

  • It returns true if edges are geodesics and false if they are straight lines in the projection.

  • The method is applied to a MultiLineString geometry object and returns a Boolean value.

 Returns true if the geometry edges, if any, are geodesics along a spherical model of the earth; if false, any edges are straight lines in the projection.

UsageReturns
MultiLineString.edgesAreGeodesics()Boolean
ArgumentTypeDetails
this: geometryGeometry

Examples

Code Editor (JavaScript)

// Define a MultiLineString object.
var multiLineString = ee.Geometry.MultiLineString(
   [[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
    [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]]]);

// Apply the edgesAreGeodesics method to the MultiLineString object.
var multiLineStringEdgesAreGeodesics = multiLineString.edgesAreGeodesics();

// Print the result to the console.
print('multiLineString.edgesAreGeodesics(...) =', multiLineStringEdgesAreGeodesics);

// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiLineString,
             {'color': 'black'},
             'Geometry [black]: multiLineString');

Python setup

See the Python Environment page for information on the Python API and using geemap for interactive development.

import ee
import geemap.core as geemap

Colab (Python)

# Define a MultiLineString object.
multilinestring = ee.Geometry.MultiLineString([
    [[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
    [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]],
])

# Apply the edgesAreGeodesics method to the MultiLineString object.
multilinestring_edges_are_geodesics = multilinestring.edgesAreGeodesics()

# Print the result.
display(
    'multilinestring.edgesAreGeodesics(...) =',
    multilinestring_edges_are_geodesics,
)

# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
    multilinestring, {'color': 'black'}, 'Geometry [black]: multilinestring'
)
m