Gis
Showing 36 of 232 projects
A fast, storage-efficient geospatial database engine for OpenStreetMap data with an intuitive Java API.
A Python library for encoding spatial data into the TopoJSON format, reducing file sizes through topology computation and simplification.
A collection of ArcGIS tools for analyzing public transit data, including network analysis and real-time GTFS feed integration.
Convert GeoJSON objects to KML (Keyhole Markup Language) strings for geographic data interchange.
SpatiaLite 5.1.1-rc0 with SQLite, GEOS, PROJ, and RTTOPO compiled to WebAssembly for Node.js and browser environments.
Automatically classifies and labels urban point clouds using data fusion with public datasets and region growing techniques.
A blazing fast JavaScript raster processing engine for analyzing GeoTIFFs in browsers and Node.js.
An idiomatic Go wrapper for the GDAL library, providing efficient raster and vector geospatial data processing.
Apply Ramer-Douglas-Peucker line simplification to GeoJSON features or collections in JavaScript or via CLI.
A pure-Python library for converting between common geospatial data formats like GeoJSON, WKT/WKB, and GeoPackage Binary.
Python bindings for the Mapnik C++ library, enabling programmatic map rendering and geospatial visualization.
A pure Go implementation of the OpenGIS Simple Feature Access Specification for 2D geometry modeling and spatial algorithms.
An Elixir library for calculating spatial relationships between geometries like points, lines, and polygons.
A Python toolkit for simplifying street network geometry by converting transportation-focused representations to morphological centerlines.
A browser-based GUI for creating, editing, and exporting static GTFS feeds for public transit agencies.
Convert GTFS transit data into GeoJSON for mapping routes and stops.
An Elixir library for performing geographic calculations including distance, bearing, and geofencing.
An R package for converting geographic data to and from GeoJSON and TopoJSON formats.
A world-wide CartoCSS port of Stamen's classic terrain map style for topographic visualization.
A zero-dependency Go package for performing coordinate transformations between various geodetic systems and projections.
A Python package for parsing GTFS data and creating geospatial visualizations of transit frequencies, speeds, and segments.
A lightweight and vendor-free map widget for Flutter, written entirely in Dart with support for multiple projections and tile providers.
A deprecated CLI tool for scaffolding ArcGIS Maps SDK for JavaScript applications, widgets, and custom CSS themes.
A JavaScript library to enforce correct polygon ring winding order in GeoJSON data for specification compliance.
A collection of sample projects demonstrating how to build desktop mapping and GIS applications using the ArcGIS Maps SDK for Java.
A Node-RED node for visualizing real-time data on an interactive world map with extensive marker and layer controls.
A Python library for converting OpenStreetMap and Overpass API XML/JSON data into GeoJSON format.
A command-line tool for combining geospatial data across different spatial units using five statistical methods.
A Python library that fixes GeoJSON geometries crossing the 180th meridian (antimeridian) by splitting them into valid shapes.
Spatial extensions and adapter helpers for ActiveRecord using RGeo's OGC Simple Features implementation.
A Python library that calculates precise geodetic locations from drone imagery by combining sensor metadata with digital elevation models.
A Python tool to fix invalid GeoJSON objects and files via CLI or library.
An open-source implementation of the GeoServices specification for serving geographic data via REST APIs.
An open-source Node.js implementation of the ArcGIS GeoServices REST API specification for serving geographic data.
An RGeo add-on module for reading geospatial data from ESRI shapefiles in Ruby applications.
A Java desktop application that synchronizes bus stop and route data between GTFS transit feeds and OpenStreetMap.
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