Python bindings for the mapbox earcut C++ polygon triangulation library
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Author: Samuel Kogler
Requires Python: >=3.9
Classifiers
Development Status
- 5 - Production/Stable
Intended Audience
- Developers
License
- OSI Approved :: ISC License (ISCL)
Programming Language
- C++
- Python :: 3
- Python :: 3.9
- Python :: 3.10
- Python :: 3.11
- Python :: 3.12
- Python :: 3.13
- Python :: 3.14
- Python :: Free Threading :: 1 - Unstable
mapbox_earcut
Python bindings for the C++ implementation of the Mapbox Earcut library, which provides very fast and quite robust triangulation of 2D polygons.
Original code: earcut.hpp
Original description:
The library implements a modified ear slicing algorithm, optimized by z-order curve hashing and extended to handle holes, twisted polygons, degeneracies and self-intersections in a way that doesn't guarantee correctness of triangulation, but attempts to always produce acceptable results for practical data like geographical shapes.
Provided functions (depending on dtype of vertex data):
triangulate_float32
triangulate_float64
triangulate_int32
triangulate_int64
Example:
import mapbox_earcut as earcut
import numpy as np
# A Nx2 array of vertices. Must be 2D.
verts = np.array([[0, 0], [1, 0], [1, 1]]).reshape(-1, 2)
# An array of end-indices for each ring.
# The first ring is the outer contour of the polygon.
# Subsequent ones are holes.
# This implies that the last index must always be equal to the size of verts!
rings = np.array([3])
result = earcut.triangulate_float32(verts, rings)
# Result is an np.ndarray with dtype np.uint32 and shape (3,)
# containing indices into the verts array.
print(verts[result])
# [[1 0]
# [1 1]
# [0 0]]
2.0.0
Nov 16, 2025
1.0.3
Dec 25, 2024
1.0.2
Aug 03, 2024
1.0.1
Dec 02, 2022
1.0.0
Nov 04, 2021
0.12.11
Nov 04, 2021
0.12.10
Jun 19, 2020
0.12.7
Sep 20, 2019
0.12.6
Sep 13, 2018
0.12.5.1
Jul 26, 2018
0.12.5
Jul 25, 2018
0.12.4
Mar 23, 2018
Wheel compatibility matrix
Files in release
mapbox_earcut-2.0.0-cp310-cp310-macosx_10_13_x86_64.whl (54.6KiB)
mapbox_earcut-2.0.0-cp310-cp310-macosx_11_0_arm64.whl (51.3KiB)
mapbox_earcut-2.0.0-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.6KiB)
mapbox_earcut-2.0.0-cp310-cp310-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (58.2KiB)
mapbox_earcut-2.0.0-cp310-cp310-musllinux_1_2_aarch64.whl (149.4KiB)
mapbox_earcut-2.0.0-cp310-cp310-musllinux_1_2_x86_64.whl (154.0KiB)
mapbox_earcut-2.0.0-cp310-cp310-win32.whl (50.4KiB)
mapbox_earcut-2.0.0-cp310-cp310-win_amd64.whl (55.5KiB)
mapbox_earcut-2.0.0-cp311-cp311-macosx_10_13_x86_64.whl (54.5KiB)
mapbox_earcut-2.0.0-cp311-cp311-macosx_11_0_arm64.whl (51.2KiB)
mapbox_earcut-2.0.0-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.5KiB)
mapbox_earcut-2.0.0-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (58.0KiB)
mapbox_earcut-2.0.0-cp311-cp311-musllinux_1_2_aarch64.whl (149.3KiB)
mapbox_earcut-2.0.0-cp311-cp311-musllinux_1_2_x86_64.whl (153.9KiB)
mapbox_earcut-2.0.0-cp311-cp311-win32.whl (50.2KiB)
mapbox_earcut-2.0.0-cp311-cp311-win_amd64.whl (55.3KiB)
mapbox_earcut-2.0.0-cp311-cp311-win_arm64.whl (49.3KiB)
mapbox_earcut-2.0.0-cp312-cp312-macosx_10_13_x86_64.whl (54.3KiB)
mapbox_earcut-2.0.0-cp312-cp312-macosx_11_0_arm64.whl (50.8KiB)
mapbox_earcut-2.0.0-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.0KiB)
mapbox_earcut-2.0.0-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (57.8KiB)
mapbox_earcut-2.0.0-cp312-cp312-musllinux_1_2_aarch64.whl (148.7KiB)
mapbox_earcut-2.0.0-cp312-cp312-musllinux_1_2_x86_64.whl (153.6KiB)
mapbox_earcut-2.0.0-cp312-cp312-win32.whl (50.0KiB)
mapbox_earcut-2.0.0-cp312-cp312-win_amd64.whl (55.1KiB)
mapbox_earcut-2.0.0-cp312-cp312-win_arm64.whl (48.9KiB)
mapbox_earcut-2.0.0-cp313-cp313-macosx_10_13_x86_64.whl (54.3KiB)
mapbox_earcut-2.0.0-cp313-cp313-macosx_11_0_arm64.whl (50.8KiB)
mapbox_earcut-2.0.0-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.0KiB)
mapbox_earcut-2.0.0-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (57.8KiB)
mapbox_earcut-2.0.0-cp313-cp313-musllinux_1_2_aarch64.whl (148.7KiB)
mapbox_earcut-2.0.0-cp313-cp313-musllinux_1_2_x86_64.whl (153.6KiB)
mapbox_earcut-2.0.0-cp313-cp313-win32.whl (50.0KiB)
mapbox_earcut-2.0.0-cp313-cp313-win_amd64.whl (55.1KiB)
mapbox_earcut-2.0.0-cp313-cp313-win_arm64.whl (48.9KiB)
mapbox_earcut-2.0.0-cp314-cp314-macosx_10_15_x86_64.whl (54.4KiB)
mapbox_earcut-2.0.0-cp314-cp314-macosx_11_0_arm64.whl (50.8KiB)
mapbox_earcut-2.0.0-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.2KiB)
mapbox_earcut-2.0.0-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (57.8KiB)
mapbox_earcut-2.0.0-cp314-cp314-musllinux_1_2_aarch64.whl (149.0KiB)
mapbox_earcut-2.0.0-cp314-cp314-musllinux_1_2_x86_64.whl (153.6KiB)
mapbox_earcut-2.0.0-cp314-cp314-win32.whl (51.7KiB)
mapbox_earcut-2.0.0-cp314-cp314-win_amd64.whl (56.4KiB)
mapbox_earcut-2.0.0-cp314-cp314-win_arm64.whl (50.7KiB)
mapbox_earcut-2.0.0-cp314-cp314t-macosx_10_15_x86_64.whl (55.1KiB)
mapbox_earcut-2.0.0-cp314-cp314t-macosx_11_0_arm64.whl (51.9KiB)
mapbox_earcut-2.0.0-cp314-cp314t-manylinux_2_26_aarch64.manylinux_2_28_aarch64.whl (55.0KiB)
mapbox_earcut-2.0.0-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (57.2KiB)
mapbox_earcut-2.0.0-cp314-cp314t-musllinux_1_2_aarch64.whl (151.3KiB)
mapbox_earcut-2.0.0-cp314-cp314t-musllinux_1_2_x86_64.whl (155.5KiB)
mapbox_earcut-2.0.0-cp314-cp314t-win32.whl (52.9KiB)
mapbox_earcut-2.0.0-cp314-cp314t-win_amd64.whl (59.4KiB)
mapbox_earcut-2.0.0-cp39-cp39-macosx_10_13_x86_64.whl (54.7KiB)
mapbox_earcut-2.0.0-cp39-cp39-macosx_11_0_arm64.whl (51.4KiB)
mapbox_earcut-2.0.0-cp39-cp39-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl (55.7KiB)
mapbox_earcut-2.0.0-cp39-cp39-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl (58.3KiB)
mapbox_earcut-2.0.0-cp39-cp39-musllinux_1_2_aarch64.whl (149.5KiB)
mapbox_earcut-2.0.0-cp39-cp39-musllinux_1_2_x86_64.whl (154.0KiB)
mapbox_earcut-2.0.0-cp39-cp39-win32.whl (50.8KiB)
mapbox_earcut-2.0.0-cp39-cp39-win_amd64.whl (55.8KiB)
mapbox_earcut-2.0.0.tar.gz (39.0KiB)
