[osg-users] ANN: Occlusion query and CAD model support

[haithcoc at gdls.com]

Paul,
I would like to find out more on the CAD import.
Several years ago, we used polytrans, and still have an old license that 
we seldomly use.  The version that we have is prior to to direct import 
capability of PRO-E CAD data using the Granite One plugin.
Since that time, we have been using another tool for conversion - Deep 
Exploration from Right Hemisphere.  It will directly convert PRO-E data 
and we currently write out .flt (and other formats).  We then 
manipulate/simplify the resultant .flt (much of this is done within Deep 
Exploration), and then convert the .flt to .ive using osgconv.  Obviously, 
this process could be streamlined if we could read CAD data directly into 
OSG.  How does this work with the PolyTrans solution you mention below? 
Are you simply providing Okino the ability to write .osg/.ive?

Thanks for any info.

Stephen Haithcock
General Dynamics Land Systems
38500 Mound Rd.
Sterling Heights, MI 48310
MZ 435-06-09
(586) 825-8573



"Paul Martz" <pmartz at skew-matrix.com> 
Sent by: osg-users-bounces at lists.openscenegraph.org
09/05/2007 05:36 PM
Please respond to
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Subject
Re: [osg-users] ANN: Occlusion query and CAD model support






I demoed a beta of the occlusion query work at the SIGGRAPH OSG BOF, so it 
does (in fact) exist and is not vaporware :-). Funding for the project was 
temporarily on hold but should be back online this fall. At that point, I 
hope to make the final changes required to get the work included into the 
core OSG distribution.
 
The support for CAD models is PolyTrans- (and therefore Windows-) 
specific. I won't be contributing this to the core OSG distribution. 
However, I intend to work with Okino Computer Graphics to ensure that the 
code is freely distributed with their PolyTrans SDK. The details of this 
haven't been worked out yet.
 
Paul Martz
Skew Matrix Software LLC
http://www.skew-matrix.com
303 859 9466
 

 
From: osg-users-bounces at lists.openscenegraph.org 
[mailto:osg-users-bounces at lists.openscenegraph.org] On Behalf Of Hill, 
Edward N. (Chip)
Sent: Wednesday, September 05, 2007 3:25 PM
To: osg-users at lists.openscenegraph.org
Subject: Re: [osg-users] ANN: Occlusion query and CAD model support

Is there any news on the occlusion query nodekit or CAD model import 
front? 
 
Sincerely,
Edward (Chip) Hill
Research Engineer
Technology Assisted Learning
Research Triangle Institute
3040 Cornwallis Road
Research Triangle Park, NC  27709
phone:  919-541-8759
fax:       919-541-6965
email:    enh at rti.org
 
 

From: osg-users-bounces at openscenegraph.net 
[mailto:osg-users-bounces at openscenegraph.net] On Behalf Of Paul Martz
Sent: Tuesday, May 15, 2007 10:15 PM
To: 'osg users'
Subject: [osg-users] ANN: Occlusion query and CAD model support
 
Hi folks -- I wanted to formally announce that I'm working with the 
Virtual Engineering Research Group at Iowa State University to add some 
features to OSG. Details are available in the following press release:
http://www.skew-matrix.com/press04.html
You may have seen posts from me regarding the occlusion query work. This 
has been in development for some time. It's in the form of a NodeKit 
called "osgOQ" and is very close to beta. I'll post a tar/zip to the 
community page and announce it here after a few more changes. The osgOQ 
work will be open source and licensed under the OSGPL. My intent is to 
submit it for inclusion in core OSG.
 
The PolyTrans work for importing CAD files through PolyTrans will be MS 
Windows-only (sorry, this is not my restriction). Distribution terms are 
being worked out. Again, I'll post here when I know more.
 
Paul Martz
Skew Matrix Software LLC
http://www.skew-matrix.com
303 859 9466
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