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Neo4j Spatial is a library of utilities for Neo4j that faciliates the enabling of spatial operations on data. In particular you can add spatial indexes to already located data, and perform spatial operations on the data like searching for data within specified regions or within a specified distance of a point of interest.
LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation
Entwine - point cloud organization for massive datasets
The GIS Tools for Hadoop are a collection of GIS tools for spatial analysis of big data.
pure-Python (Numpy optional) 3D coordinate conversions for geospace ecef enu eci
Open-source backend for Kepler.gl. Self-hosted alternative to CARTO and Foursquare Studio.
JavaScript helper functions for manipulating GeoJSON
Digital Elevation model library in C#. 3D terrain models, line/point Elevations, intervisibility reports
Software suite for the automated generation of geographically correct or schematic transit maps.
Upload your own aerial images, position (rubbersheet) them in a web interface over existing map data, and share via web or composite and export for print.
Pure-Rust geospatial raster and vector data I/O
The Complete Street Rule for ArcGIS CityEngine is a scenario oriented design tool intended to enable users to quickly create procedurally generated multimodal streets.
Spatial and spatio-temporal geostatistical modelling, prediction and simulation
apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
Simple Features is a pure Go Implementation of the OpenGIS Simple Feature Access Specification
A Geometry library for Elixir that calculates spatial relationships between two geometries
Acoustic geolocation from the Doppler curves of propeller aircraft.
Geographic calculations for Elixir
RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
Package with useful functions to create geo-spatial visualizations from a GTFS.
Clipping and geometric operations for spherical polygons.
An open source Geoservices Implementation (deprecated)
Set of d3 projections for showing countries distant lands together
Open framework for calculating spatial urban sprawl indices and performing disaggregated population estimates using open data