Mathieu Gravey

Code & Software

Open Earth Engine Library

The Open Earth Engine Library (OEEL) is part of the open-geocomputing initiative. The goal is to provide GEE users with free and open algorithms.

Code Examples Documentation
Remote-sensing Google Earth EngineGoogle Earth Engine Maintained
Open Earth Engine Library

Open Earth Engine extension

A Chrome extension to enhance the Google Earth Engine user experience.

Code Documentation Chrome Web Store
Remote-sensing Google Earth EngineGoogle Earth Engine Maintained
Open Earth Engine extension

TIFF Training Images

A set of training images useful for MPS, saved as TIFF to load directly from GitHub in a few lines — ideal for demos.

Code
Multiple-point statistics MatlabMatlab PythonPython

GeoPressureAPI

Server returning probability of bird position from pressure records using Google Earth Engine access to ERA‑5.

Code
Remote-sensing PythonPython Google Earth EngineGoogle Earth Engine

G2S: The GeoStatistical Server

The GeoStatistical Server (G2S) is a framework that allows you to run state-of-the-art Multiple Point Statistics (MPS) algorithms across languages.

Code Guide
Multiple-point statistics Maintained MatlabMatlab PythonPython

MexInterrupt

Example of interrupting C/C++ code in a Matlab MEX file.

Code
other MatlabMatlab

Random Kmin/Kmax

Header-only library to find k smallest/largest values and indices in an unsorted array; optimized with intrinsics, MATLAB wrapper provided.

Code
other MatlabMatlab

pyDev4G2S

Module to develop new MPS algorithms in Python, leveraging G2S for remote connections and interfacing with other languages.

Code
other PythonPython

2D Dynamic Warping

C/C++ implementation of 2D Dynamic Time Warping. See the original publication for details.

Code Publication
other

G2S for QGIS

QGIS interface for G2S to run remote-sensing stochastic simulations directly in QGIS.

Code
Remote-sensing Multiple-point statistics

Fast Gaussian Simulation

Matlab function to generate multiple n-D Gaussian fields quickly using FFT; reduces edge effects on long range.

Code
other MatlabMatlab

PyQS-PyDS

Minimal Python code to grasp how Direct Sampling and QuickSampling work. Focused on core concepts over performance.

Code
Multiple-point statistics PythonPython

Matching Map Maker

Pattern matching between very large images (50k x 50k), useful to follow slow, deformable objects over time (e.g., glaciers).

Code
Remote-sensing MatlabMatlab

Useful micro toolset for statistical metric

A few Matlab functions to compute nD variograms and 2D cumulants.

Code
Multiple-point statistics MatlabMatlab

Integration effect on gender ratio

Interactive study to evaluate how long it takes to correct gender bias as a function of career duration.

Code Online
web other

NDS: Narrow Distribution Selection

NDS is a tool to guide simulation choices by narrowing distributions in multi-point statistics workflows.

Code Docs
Multiple-point statistics PythonPython