ee.Geometry.LineString.edgesAreGeodesics

  • edgesAreGeodesics() is a method used to determine if the edges of a geometry are geodesics (curved lines along the Earth's surface) or straight lines in the projection.

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

  • This method is specifically applied to LineString geometries in Google Earth Engine.

  • The provided code examples demonstrate how to use edgesAreGeodesics() in JavaScript and Python.

 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
LineString.edgesAreGeodesics()Boolean
ArgumentTypeDetails
this: geometryGeometry

Examples

Code Editor (JavaScript)

// Define a LineString object.
var lineString = ee.Geometry.LineString([[-122.09, 37.42], [-122.08, 37.43]]);

// Apply the edgesAreGeodesics method to the LineString object.
var lineStringEdgesAreGeodesics = lineString.edgesAreGeodesics();

// Print the result to the console.
print('lineString.edgesAreGeodesics(...) =', lineStringEdgesAreGeodesics);

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

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 LineString object.
linestring = ee.Geometry.LineString([[-122.09, 37.42], [-122.08, 37.43]])

# Apply the edgesAreGeodesics method to the LineString object.
linestring_edges_are_geodesics = linestring.edgesAreGeodesics()

# Print the result.
display('linestring.edgesAreGeodesics(...) =', linestring_edges_are_geodesics)

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