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BRL-CAD is a powerful cross-platform open source combinatorial solid modeling system
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BRL-CAD Release 7.40.2 http://brlcad.org/ BRL-CAD is a powerful cross-platform open source combinatorial solid modeling system that includes an interactive 3D solid geometry editor, a network-distributed symmetric multiprocessing (SMP) high-performance ray-tracer with support for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, a flexible geometry scripting interface, and a high-performance geometric representation and analysis library. TABLE OF CONTENTS ----------------- Introduction Table of Contents Getting Started Compile and Install Benchmark Communication Bug Reports/Feature Requests Distribution Details Background Information GETTING STARTED --------------- This README file exists only to provide you a brief roadmap to the contents of the BRL-CAD distribution. Some platforms have additional platform-specific documentation that should be consulted after reading this file: doc/README.Windows -- Microsoft Windows doc/README.MacOSX -- Apple Mac OS X doc/README.Linux -- Various Linux distributions doc/README.* -- Other platforms, e.g., BSD, VAX Information on how to install and run the software, to get involved with development, or to run the performance benchmark test suite are covered in detail in separate standalone documents. For more details on what BRL-CAD provides, consult the main website. Information relevant to the source code is contained in the HACKING (developer guide) and COPYING (legal overview) files. Note that only sample geometry models are included in public distributions of BRL-CAD. Detailed models are only available through official U.S. Gov't channels, e.g., via Advanced Joint Effectiveness Model (AJEM) support. COMPILE AND INSTALL ------------------- In order to compile and install BRL-CAD from a source distribution, the latest CMake ( http://www.cmake.org ), a recent compiler, and at least 3GB of disk space are recommended. More details are available at https://brlcad.org/wiki/Compiling Typically, the following steps should result in a successful install: tar -xvzf brlcad-VERSION.tar.gz mkdir brlcad-VERSION/build cd brlcad-VERSION/build cmake .. -DBRLCAD_ENABLE_STRICT=OFF -DCMAKE_BUILD_TYPE=Release make -j4 make install See the included INSTALL text file for explanation of the various cmake configuration options available for building BRL-CAD. BENCHMARK --------- After the build successfully completes, you will be able to verify basic functionality by running the BRL-CAD Benchmark. Running the benchmark suite is integrated into the build system such that any time after running CMake (in the cmake gui, configure and generate must both be performed) you may run: make benchmark If the build is successful, you will see "CORRECT" numbers and a performance summary at the end. The "vgr" line effectively shows you approximately how much faster your machine is to a VAX 11/780. After installing BRL-CAD, you may run the 'benchmark' tool as well to run the BRL-CAD Benchmark. See the paper in doc/benchmark.tr for information on analyzing and comparing the results of the benchmark tests in more detail. COMMUNICATION ------------- There are various BRL-CAD mailing lists available including three developer-oriented lists, a user list, and a read-only news announcement list: http://sourceforge.net/mail/?group_id=105292 For interactive discussion, please join our Zulip chat: https://brlcad.zulipchat.com BUG REPORTS AND FEATURE REQUESTS -------------------------------- Please submit all bugs, support requests, and feature requests to: https://github.com/BRL-CAD/brlcad/issues DISTRIBUTION DETAILS -------------------- BRL-CAD releases are available at: https://github.com/BRL-CAD/brlcad/releases Assets stored for each release will always include source archives, and usually binary compilations for commonly used operating systems. For developers, BRL-CAD is available via Git version control cloning: https://github.com/BRL-CAD/brlcad BACKGROUND INFORMATION ---------------------- BRL-CAD is the primary tri-service solid modeling CAD system used by the U.S. military to model weapons systems for vulnerability and lethality analyses. The solid modeling system is frequently used in a wide range of military and industrial application including in the design and analysis of vehicles, mechanical parts, and architecture. 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. Actively developed since 1979, BRL-CAD is a collection of more than 400 tools, utilities, and applications comprising more than a million lines of source code. BRL-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. All geometric objects may be combined using boolean set-theoretic CSG operations including union, intersection, and difference. BRL-CAD has been under active development for more than 20 years 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 PowerNode 6000/9000 and NP1; NeXT workstations; IBM RS/6000; HPPA 9000/700 running HPUX; Ardent/Stardent; Encore Multi-Max; and much much more. BRL-CAD's extensive portability of course also includes a plethora of common desktop and server versions of BSD, IRIX, Solaris, Mac OS X, Linux, and Windows. The BRL-CAD package is intentionally designed to be extensively cross-platform and is actively developed on and maintained for many common operating system environments including various BSD distributions, Linux, Solaris, Mac OS X, and Windows. The entire package is distributed in binary and source code form as free open source software (FOSS), provided under Open Source Initiative (OSI) approved license terms. BRL-CAD was released as open source in December 2004. See the COPYING file for more details. Best Wishes, The BRL-CAD Development Team [email protected]
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