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readme.txt
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1994-11-17
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AMIGOVID.LHA Release II.
=================================================
Release II:
This archive is being re-released with a few
"problems" fixed. The logo the class chose
to scan came off a business card from DTV
(Diamond Tele-Video Productions, Inc.) By the
time I got around to packing up the project
and uploading it I forgot about the logo.
Lesson to be learned here: logos are copyright
material.
Bob Diamond called to express concern at finding
his logo in the archive. After discussing the
educational (read: non-profit) nature of the
project he decided not to beat me with chains or
make me eat oatmeal. Thus, I am re-releasing the
project with the IFF brushes and 3D objects of
the DTV logo removed.
The scene now uses the original test object of
the text, "Amigos VID SIG" as the flying logo
object.
=================================================
What's in the archive:
This archive contains the entire Lightwave
flying logo scene done during the Miami
Amigos Video/Animation SIG in March (?) 1994.
Unpack it and ASSIGN SIG: to the directory
you dropped it in.
i.e. assign sig: video:scenes/sig
Some of the texture maps have been jpegg'd,
so they'll need to be converted to IFF-24s.
(Lightwave will tell you what it's missing
when you load the scene.)
The other textures are part of the standard
distribution with Lightwave, but due to the
organization of files on my system, you'll
probably have to change the paths to the
textures.
The television in the scene is set up to use
an image sequence. A small animation of a
bouncing checkered ball done in DpaintIV is
included. NOTE: you will have to save the
individual frames of the animation as
BallBounce.xxx numbered frames before Light-
wave can use them as a sequence.
Everything else is pretty self-explanatory.
=================================================
Why?:
The purpose of this educational demo was to
show the Miami Amigos Video SIG members how
to put together a flying logo. This Lightwave
scene was actually of secondary importance to
the class. The primary focus of the class was
to show the members how to scan in an image of
a logo, tweak it with the Art Department Pro-
fessional and DeluxePaintIV, and turn it into a
3D object with Pixel 3D.
The bulk of the scene was assembled the week
prior to the meeting, so that we could concentrate
on the before and after procedures in producing
parts of the flying logo. The only part of the
scene that needed to be completed was just a bit
of work to tweak the motion path for the logo
we used.
Arexx scripts are included to convert the rendered
24-bit IFF files into an Op5 Anim or Op8 Anim.
Scripts are also included to center a low resolution
IFF 24 file (as rendered by Lightwave's low reso-
lution option on the Camera Menu) on a backdrop.
Scripts are also included to write the animation out
to a Sanyo GVRS-950 single-frame accurate deck or
any BCD controlled deck.
Note that the scene has been modified for this new
Release II. There are now more frames which means
all of the ARexx scripts will have to be changed to
match the appropriately numbered frames.
=================================================
New and improved:
Rather than having to hack up new ARexx scripts
each time I wanted to write an animation out to
the Sanyo deck, I wrote a set of ARexx scripts to
use with Elastic Reality's (or ASDG's) Frame Editor
(FRED). The first script simply saves an image to
a Toaster DV buffer. The other script controls
the Sanyo GVR-S950 (or any BCD controlled deck).
Simply copy the script to your FREDSavers directory
any you're ready to roll.
A FRED sequence file is included for the Release II
version of the animation, so you can see how I set
up sequences for writing to tape.
The scripts are pretty bullet-proof and they are
well documented. The SMPTE time code entry is
fairly merciless, though. You have to enter the
entire valid SMPTE format (with zeros too) from
hours through frames.
If you do want to start hacking the scripts up, I
have to explain something, first. The SaveToSANYO
script communicates with SANYO's ARexx Handler
port which talks to the deck through the serial
port. On our system I could find no way to get
that program to accept ARexx messages directly
from an the ARexx (FRED) script. I eventually
found that I could build a precisely delimited
string and execute an Arexx command from the
Shell. So, if the ARexx communications look con-
fusing, I really do know what I'm doing. For some
reason SANYO's ARexx handler just doesn't work as
advertised.
=================================================
Kenneth Jennings, SyntheToonz, Inc. (305)383-5723
=================================================