[cad-linux] BRL-CAD 7.6.0 is Available

BRL-CAD Release 7.6.0 is now available.  Since the last widely  
announced release of BRL-CAD, many enhancements have been made to the  
package including the addition of a new quantitative analysis tool  
for geometry models, an interactive shot selection tool, many build  
system improvements, and a handful of bug fixes.

This release includes the addition of a new geometric "Quantitative  
Analysis" tool called g_qa.  This g_qa tool combines most of the  
features of the existing rtweight, rtcheck and g_lint tools,  
providing a robust means for computing the weight and volume of  
objects while also allowing a means to report overlaps, air gaps,  
external air regions, bounding box dimensions, and more.  The tool  
will compute results to a specified level of fidelity, converging to  
a better result in less time while also taking advantage of multiple  
processors when available.

Continuing with the high-performance ADRT tool suite is the addition  
of the Interactive Shot Selection Tool (ISST).  Using ISST, you can  
visualize large faceted models around in real-time, slice through  
them with rays viewing planar cutaways, and examine the geometric  
components along a given path.  The tool will take advantage of  
clusters and SMP hardware, providing a master job manager, a slave  
compute daemon for network distributed processing, and a client for  
interacting with and viewing models.

The list of changes since release 7.4.0 includes the following:

* configuration build fixes for Tk/Iwidgets
* fixed bug in mged overlay command handling of EOF
* renamed g-wave converter to g-obj
* mged will now work without being installed
* improved ADRT build support
* improved build support detection for OpenGL and X11
* performance enhancements to ADRT
* renabled SGI knobs and button box support for IRIX
* fixed mged startup resource bug
* Enhancements to g_qa for stability and performance
* 'make test' now runs against an uninstalled  build tree
* new nightly regression test framework
* g_qa now has option to report interfaces/connections
* mged relocation support
* Doxygen changes to source code comments
* fixed ray-trace unique hits evaluation bug
* added manual page for remapid
* fixed quick memory debugging bug
* improved brlman relocation
* added g_qa geometry quality analysis tool (beta)
* added adrt interactive shot selection tool
* simultaneous -o and -F options to rt, rtedge, rtxray

This version is fully binary backwards compatible with the previous  
release of BRL-CAD.  Please visit the Sourceforge project website at  
http://sourceforge.net/projects/brlcad/ to download the latest source  
or binary versions.

BRL-CAD is a powerful constructive solid geometry solid modeling  
system that includes an interactive geometry editor, ray-tracing  
support for rendering and geometric analysis, path-tracing for  
realistic image synthesis, network distributed framebuffer support,  
image and signal-processing tools, and more.

See the BRL-CAD website at http://brlcad.org/ for documentation,  
support, and more information.

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