-----Original Message-----
From: Peter Quinn [mailto:Peter.Quinn@rebis.com]
Sent: Tuesday, September 04, 2001 11:26 AM
To: <a href="/group/PipingDesign/post?postID=j6Xxyz2V4Bf21Iu1WXPo4Kh2JWo9G3HiJus8cjngZDxwGXQVr1Qnt11OUC50a2YQSRfZEth7mF__cGhtltihcBK0xw">PipingDesign@yahoogroups.com</a>
Subject: RE: [PipingDesign] Hardware/Software:
Real-Time 3D Rotation of
CAD Piping Models
Shivaprakash,
As an AutoPLANT user, you should be aware of AutoPLANT
Explorer that is
based on the Navisworks technology. In addition to the
great navigation
capabilities with a standard AutoCAD model, it has the
advantage to be able
to read AutoPLANT databases to get details on specific
piping components.
Peter Quinn
Rebis Industrial Workgroup Software
(925)933-2525x242
-----Original Message-----
From: Shivaprakash
[mailto:shivaprakashcrao@yahoo.com]
Sent: Friday, August 31,
2001 1:38 AM
To:
<a href="/group/PipingDesign/post?postID=6CQKqgnEP4UWm0toZFjNZYbj3oYWOPEzixa0_SLR4g5VWxB4DEP2en_a8uIR5GDPFa9GURuwdAokxqysJJ7LsuHOiRAx4w">'PipingDesign@yahoogroups.com</a>'
Subject: RE:
[PipingDesign] Hardware/Software: Real-Time 3D
Rotation of CAD
Piping Models
Hi Paul,
This is an intresting topic.Though AutoCad provides 3D
tools its very hard
to use.I feel like a man trying to move an elephant
around holding its
tail.Real-time rotation of an rendered 3D is not
possible at least in my
workstation.I too am exploring possibilities of how to
increase my
navigation capabilities inside the 3D model.
1)Hardware options : Like you said buying an expensive
Video Card will not
make up for the limitations inherent in the
software.About the Raid and
SCSI , I have the faintest idea.I would be glad if you
could explain it to
me.
2)Software:I feel the problem with the AutoCad 3D
objects are that they
carry a lot of information with them making them
bulkier and also the
treatment has been given with 2D as its basis .Either
AutoCad has to sqeez
these 3D objects and make them more agile by changing
the format (Hope
AutoDesk guys read this mail ) or we have to import it
into another s/w
which weeds out unnecessary information , compresses
the 3D objects so that
walkthroughs and navigating bcomes easy.AutoPlant and
CadWorks which rely
on AutoCad for their graphics engine use the software
developed by
Navisworks (www.navisworks.com). Using this
software you can have a
quasi-real time 3D rotation. The software recognizes
DWG , DGN and 3DS file
formats. There is an demo which can be downloded with
some sample model
files including the millenium dome in London. The
software has its own
clash check facility.The drawbacks being its still not
customized for Plant
Design Functions.Measuring and querying some minimum
data of the objects
are not satisfying.
I guess these three people can improve the
scenario.....Intel , AutoDesk
and Graphics Card Makers.
I am forwarding some information on Graphics Card
maybe it could be usefull
to the members
(There are two criteria for choosing a graphics card,
Driver quality and
performance. The market divides into professional
and consumer cards. Professional cards are higher
priced, have excellent
quality drivers, are well tested with leading CAD
applications and usually the best performance.
Consumer cards are cheaper, generally have poor
drivers, are tested with
games rather than CAD applications and have
generally average performance. There are many brands
of consumer cards,
usually based on one of a small number of
graphics chipsets. Often the design of card and driver
used are identical
for the same chipset. We list consumer cards
purely
by chipset used.
Professional cards are recommended over consumer cards
for CAD
applications.
A)Recommended Professional Cards (in order of performance):
B)Recommended consumer (reasonably stable drivers but
be prepared to
download latest from manufacturers website, in
order of performance):
C)Tested, not recommended consumer (unstable drivers, poor performance):
Matrox G400/G500/G550
S3 Savage4
)
Shivaprakash C Rao
Tessag Edeleanu
www.edeleanu.com.sg
-----Original Message-----
From: Paul Bowers
[SMTP:pbowers@pipingdesign.com]
Sent: Friday, August 31,
2001 3:36 PM
To:
<a href="/group/PipingDesign/post?postID=j6Xxyz2V4Bf21Iu1WXPo4Kh2JWo9G3HiJus8cjngZDxwGXQVr1Qnt11OUC50a2YQSRfZEth7mF__cGhtltihcBK0xw">PipingDesign@yahoogroups.com</a>
Subject: [PipingDesign]
Hardware/Software: Real-Time 3D Rotation of CAD
Piping Models
Guys, I'm about to sink a few dollars into a new system.
I'll spare you all the ugly details except to mention
that ultra
SCSI and RAID are involved.
My question is:
-how can I obtain real-time rotation of a 3D CAD
piping model
(doesn't have to be rendered during rotation)?
I won't throw $2000 worth of video card into acheiving
this if
AutoCAD simply cannot do it.
Paul
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