Hello Robert,
First, let me congratulate you with the new release!
I wonder what happened with the performance trouble some people where
having when using a paged database on windows. I remember following a
long thread about that for a couple of days, but I don't remember any
definite post that the problem was fixed/turned out to be something
different. Are there any fixed related to this in 1.2?
Paul
Robert Osfield wrote:
Hi All,
I have just tagged OpenThreads-1.5, Producer-1.1 and
OpenSceneGraph-1.2, and have uploaded the OSG_OP_OT-1.2.zip to:
http://openscenegraph.org/osgwiki/pmwiki.php/Downloads/Downloads
<http://openscenegraph.org/osgwiki/pmwiki.php/Downloads/Downloads>
The news item (also copied below) on the release can be found at:
http://openscenegraph.org/osgwiki/pmwiki.php/News/News#osg_1.2
<http://openscenegraph.org/osgwiki/pmwiki.php/News/News#osg_1.2>
The tags for the release are:
OpenThreads_1_5_release_revision_1
Producer_1_1_release_revision_1
OpenSceneGraph_1_2_release_revision_1
The binaries haven't been built yet, I'll upload these once a kindly
community member or two posts them (most like Mike and Eric :-)
We'll need to tell the world about the release, so I've updated the
Spreading The News wiki page with todo's for all the various sites to
pass on the News item to:
http://openscenegraph.org/osgwiki/pmwiki.php/Tasks/SpreadingTheNews
I haven't done any spreading the news yet, and won't do any tonight as
I need a rest, but feel free to go ahead and pass the news on, and
update the wiki page to say you've done it. P'word for wiki page is osg.
Many thanks to all thosewho've contributed code, bug fixes, reported
and track down bugs, helped test.
Happy hacking!
Robert.
--
NEWS items reads:
OpenSceneGraph 1.2 release introduces Windows 64bit and AIX
support, COLLADA support, processor affinity and texture atlas
builder.
PERTHSHIRE, Scotland - 12th September 2006 - OpenSceneGraph
Professional Services announces the release of OpenSceneGraph 1.2, the
industry's leading open source scene graph technology, designed to
accelerate application development and improve 3D graphics
performance. OpenSceneGraph 1.2, written entirely in Standard C++ and
built upon OpenGL, offers developers working in the visual simulation,
game development, virtual reality, scientific visualization and
modeling markets a real time visualization tool which rivals
established commercial scene graph toolkits in functionality and
performance. OpenSceneGraph 1.2 runs on all Microsoft Windows
platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and
FreeBSD operating systems. The OpenSceneGraph-1.2 release introduces:
* Support for Windows 64 build, allowing Windows programmers to
take advantage of greater scalability previously only available
to OpenSceneGraph users under Linux, IRIX, Solaris, FreeBSD and
OSX.
* Support for HP's AIX operating system, bringing the total number
of supported operating systems to 8.
* COLLADA plugin support for both the reading and writing of
COLLADA 1.4 .dae files. COLLADA is the new industry standard
data asset exchange format that is now supported by a range of
3D modelling packages and provides a unified art path route to
and from the OpenSceneGraph.
* Processor affinity support allowing application to lock
cull-draw and database processes to specific processors, thereby
avoiding cache coherency problems associated with processes
moving from processor to processor.
* A Texture Atlas builder has been added to the database
optimization classes, allowing either manual or automated
setting up of texture atlas. Using texture atlas can improve
performance by reducing the number of state changes required to
render a scene, and by allowing databases to batched in large
groups of geometry, in a form that better suits modern graphics
architectures.
* GPU timing stats have been added to the viewer class, provided
the time taken to process allow drawing operations down on the
GPU for the previous frame. Coupled with the existing timing of
CPU update, cull and draw dispatch the stats reporting now
provides the end user with a clearer idea of whether their
application is CPU or GPU limited and server as a better guide
to performance optimization work.
* A range of bug fixes and API refinements.
The OpenSceneGraph-1.2 release is the culmination of 7 years
development, with contributions from 209 developers from around the
world. The user base is composed of a wide range of industry and
academic users with over 1400 developers subscribed to the projects
public support mailing list. For further information and to download
the latest release see the project website:
http://www.openscenegraph.org <http://www.openscenegraph.org/>
Robert Osfield
Project Lead and Proprietor OpenSceneGraph Professional Services
------------------------------------------------------------------------
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--
Paul Melis
VR Specialist,
Center for High-Performance Computing & Visualization,
University of Groningen,
The Netherlands
T: +31 50 363 9298
E: [EMAIL PROTECTED]
W: http://www.rug.nl/rc/hpcv/index
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