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This is a library for manipulating geometric shapes. Unlike many geometry libraries, S2 is primarily designed to work with spherical geometry, i.e., shapes drawn on a sphere rather than on a planar 2D map. (In fact, the name S2 is derived from the mathematical notation for the unit sphere.) This makes it especially suitable for working with geographic data.Basic representations of angles, intervals, latitude-longitude points, unit 3D vectors, and conversions among them.
GeometryViz3D allows students to create 3D geometry models that comprise points, lines, and vectors, and examine the model by rotating it along the 3 axes. It's developed in C# based on the Petzold.Media3D library developed by Charles Petzold.
PostGIS is a spatial database extender for PostgreSQL object-relational database. It adds support for geographic objects allowing location queries to be run in SQL. PostGIS adds extra types (geometry, geography, raster and others) to the PostgreSQL database. It also adds functions, operators, and index enhancements that apply to these spatial types.
“JEDI Math” is a free mathematical library developed under the MPL for Delphi, Kylix, FPC and Lazarus. The library provides routines for matrices/vectors, regression, geometry, physics, equation rendering and raytracing among others.
This project will be one of the most complete Math / numeric Java library which contain all Complex, Matrix, vector, Fourier Operations, Geometry, Digital, logic, scalar, linear algebra on complex numbers and matrix, ... calculations.
MathFu is a C++ math library developed primarily for games focused on simplicity and efficiency.It provides a suite of vector, matrix and quaternion classes to perform basic geometry suitable for game developers. This functionality can be used to construct geometry for graphics libraries like OpenGL or perform calculations for animation or physics systems.
Wykobi is an efficient, robust and simple to use multi-platform 2D/3D computational geometry library. Wykobi provides a concise, predictable, and deterministic interface for geometric primitives and complex geometric routines using and conforming to the ISO/IEC 14882:2003 C++ lan
BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering amp; geometric analyses, network distributed framebuffer support, image & signal-processing tools.
Live Geometry lets you create interactive ruler and compass constructions and experiment with them. It is CAD-like educational software for teachers and students. It helps visualize and solve geometry problems.