ee.Geometry.LineString.cutLines

Converts LineString, MultiLineString, and LinearRing geometries into a MultiLineString by cutting them into parts no longer than the given distance along their length. All other geometry types will be converted to an empty MultiLineString.

Usage	Returns
`LineString.cutLines(distances, maxError, proj)`	Geometry

Argument	Type	Details
this: `geometry`	Geometry	Cuts the lines of this geometry.
`distances`	List	Distances along each LineString to cut the line into separate pieces, measured in units of the given proj, or meters if proj is unspecified.
`maxError`	ErrorMargin, default: null	The maximum amount of error tolerated when performing any necessary reprojection.
`proj`	Projection, default: null	Projection of the result and distance measurements, or EPSG:4326 if unspecified.

Examples

Code Editor (JavaScript)

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

// Apply the cutLines method to the LineString object.
var lineStringCutLines = lineString.cutLines({'distances': [10, 100], 'maxError': 1});

// Print the result to the console.
print('lineString.cutLines(...) =', lineStringCutLines);

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

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 cutLines method to the LineString object.
linestring_cut_lines = linestring.cutLines(distances=[10, 100], maxError=1)

# Print the result.
display('linestring.cutLines(...) =', linestring_cut_lines)

# 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.add_layer(
    linestring_cut_lines, {'color': 'red'}, 'Result [red]: linestring.cutLines'
)
m