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From: Jerry Isdale <72662.410@compuserve.com>
To: "sci.virtual-worlds" <scivw@u.washington.edu>
Subject: Virtrual CAD
Message-Id: <950125064441_72662.410_DHL55-1@CompuServe.COM>
Status: OR

>I am presently doing some research work on geometry modelling in virtual
>environments (Virtual CAD). Can anyone give me some informations, who
>else is already working in this field? I am especially interested in the
>modellers used for the virtual workpieces (i.e. voxel-modellers).

Two references:

1) PolyShop - Institute of Simulation and Training, Orlando Fla, USA
  "The Polyshop is an on-going development effort for rapid production of 3-D
models, primarily for urban terrain. Innovative human interfaces are being
integrated to enhance Polyshop's productivity through immersion into virtual
reality. They include head-tracked visuals, instrumented gloves, and
simultaneous cooperative environmental design among subject matter experts". 
(source: Battlefield Distributed Simulation-Developmental summary brochure
produced by STRICOM with support from ARPA and DMSO  call 407 658 5054 or email
to ms-products@yvette.iac.ist.ucf.edu)

2) 2Morrow Builder - Todd Porter 76505.1574@compuserve.com (also an internet
address I dont have handy)
  This is a shareware product for low end PC-VR systems. The following
description is copied from the file description of the v1.4 demo available on
CompuServe's CyberForum....
                           2Morrow World Builder v1.4

This is a demo of the completed version (1.4) of the 2Morrow World 
Builder.  It is an interactive GUI based World Building environment.  This 
software will enable you to build VR Worlds with great ease.  The registered 
version has a CAD to model PLG which also will optimize verts and polys for VR 
worlds.  The PLG and WLD files generated by the World Building Kit are 
compatible with REND386, AVRIL, VR386, and VRBasic.  A must have for any
Virtual World Builder!