All geometric objects may be combined using boolean set-theoretic CSG operations including union, intersection, and difference.īRL-CAD has been under active development with a portability heritage that includes systems such as a DEC VAX-11/780 running 4.3 BSD DECStations running ULTRIX Silicon Graphics 3030, 4D "IRIS", O2, Onyx, and Origin systems running various versions of IRIX Sun Microsystems Sun-3 and Sun-4 Sparcs running SunOS the Cray 1, Cray X-MP, Cray Y-MP, and Cray 2 running UNICOS DEC Alpha AXP running OSF/1 Apple Macintosh II running A/UX iPSC/860 Hypercube running NX/2 the Alliant FX/8, FX/80, and FX/2800 Gould/Encore SEL PowerNode6000/9000 and NP1 NeXT workstations IBM RS/6000 HPPA 9000/700 running HPUX Ardent/Stardent Encore Multi-Max and much more.īRL-CAD is a collection of more than 400 tools, utilities, and applications comprising more than a million lines of source code. The package has also been used in radiation dose planning, medical visualization, computer graphics education, CSG concepts and modeling education, and system performance benchmark testing among other purposes.īRL-CAD supports a great variety of geometric representations including an extensive set of traditional CSG primitive implicit solids such as boxes, ellipsoids, cones, and tori, as well as explicit solids made from closed collections of Uniform B-Spline Surfaces, Non-Uniform Rational B-Spline (NURBS) surfaces, n-Manifold Geometry (NMG), and purely faceted mesh geometry. The solid modeling system is frequently used in a wide range of military, academic, and industrial applications including in the design and analysis of vehicles, mechanical parts, and architecture. military to model weapons systems for vulnerability and lethality analyses. The entire BRL-CAD package is distributed in source code form.įor more than 20 years, BRL-CAD has been the primary tri-service solid modeling CAD system used by the U.S. Lead-in comments are required to provide context to the readers.The BRL-CAD package is a powerful Constructive Solid Geometry (CSG) solid modeling systemīRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for robust geometric representation, with more than 20 years of active development.īRL-CAD includes an interactive geometry editor, parallel ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, image-processing and signal-processing tools. Completed projects, destructive test results, and unique machinery and hardware are all acceptable and encouraged. Images and videos related to engineering are acceptable, provided they are relevant to engineering. Engineers should help each other to make the world a safer and better place. Questions about current engineering projects you are working on, how to interpret codes and standards, and industry practices are all encouraged. R/engineering is a forum for engineering professionals to share information, knowledge, experience related to the principles & practices of all types of engineering: civil, structural, mechanical, electrical, aerospace, chemical, computer, environmental, etc. Multiple violations of this will result in a ban. If you paste a comment that appears to be from an AI source, it will be removed. If you do not know about a topic, do not attempt to answer somebody's question. Limit the use of engineering jokes.ĭo not comment outside your area of competence. No low-effort one-liner comments, memes, or off-topic replies. Racism, sexism, or any other form of bigotry will not be tolerated.īe substantive. Overly insulting or crass comments will be removed. You are allowed one submission, and you must be active in the comments to answer any questions. You can read about why this policy exists here.Ĭrowdfunding: Must be relevant to engineering and submitted as a self-post (not a link). No posts about the 9/11 terrorist attacks. All sources are subject to moderator evaluation. This includes YouTube channels, blogs, etc.
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