Special Issue from FOSS4G NA

Preface for the Special Issue

by Michele Tobias

This special issue emerges from the collaborative efforts of presenters at the  Free and Open Source Software for Geospatial North America (FOSS4G NA) 2025 conference, held in Reston, Virginia, November 3–5, 2025, a gathering organized by the Open Source Geospatial Foundation United States (OSGeo US) and other North American OSGeo chapters that brings together the developers and users who build, refine, and apply open-source geospatial tools, by the community and for the community.

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Peer-Reviewed Articles

A rectangular grid with 9 by 4 display — representing easting and northing — shows the first two letters of the global hierarchical tile index for each tile. This grid is superimposed over a grey map of the Earth’s terrestrial surface. Two inset maps show additional zoom levels and the increasing string lengths of the hierarchical index at each level.

A cloud-native, machine learning-optimized tile grid For land cover analysis

by Thomas Maschler, Ryan McCarthy, & Christopher Anderson

Published September 4 2026

Computing Geospatial Analysis 
Machine Learning Open Source 
Remote Sensing 

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Accepted Articles

Engineering independent intensity and texture features for sample design, classification, regression, and clustering analyses using principal component analysis and convolution kernels

Texture, PCA, convolution, kernel weights, feature engineering

Mapping Community Capital: Revealing Local Gaps in Rural Access

Community Capitals Framework, spatial accessibility, rural planning, OpenStreetMap, QGIS, network analysis, service area analysis, open-source GIS

Articles Under Review

Estimating trail bridge impacts on rural populations in Rwanda with Python

Python GIS, free and open-source software for geospatial (FOSS4G), geospatial data science, gridded population datasets, rural transport infrastructure, population impact assessment, Rwanda

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