[comp.sys.amiga] Silver "... what's it like?"

filip@alberta.UUCP (Don Filipchuk) (07/26/88)

  Could anybody on the net please impart to me
  their experiences with the SILVER ray tracing/
  animation package?  I saw it in a store and the 
  package looked impressive, but was about $220 (CDN)
  if I am not mistaken.  ouch!
      It looks good but seems very expensive.  I would
  probably go through mail order for this one...

                 Thanks in advance
                        Don

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|      Don Filipchuk         | "... with human females, I must           |   
|                            |    restrain myself too much.  They are    | 
|   University of Alberta    |    quite fragile."                        |
|    Edmonton, Alberta       |                                           |
|          Canada            |             - Lt. Worf --                 |
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ewhac@well.UUCP (Leo L. Schwab) (07/27/88)

In article <311@cadomin.UUCP> filip@cadomin.UUCP (Don Filipchuk) writes:
>  Could anybody on the net please impart to me
>  their experiences with the SILVER ray tracing/
>  animation package?  [ ... ]

	Having recently figured out how a substantial portion of this
program works, my comments might be valid.

	Silver's user interface is icky.  Unlike the Sirius Cybernetics
Corporation, Silver has some excellent underlying functions and features
which are covered over with an opaque user interface.  It is not entirely
unuseable, since I have seen some dynamite stuff created with it, but it
certainly isn't easy.

	I'm really uncertain about this program.  I find it very hard to
use, but the pictures it cranks out are pure sex; unmatched by current
versions of Sculpt or Sculpt/Animate.

	The version of the manual I have sucks eggs.  It is written in a
conversational style which makes it easy reading but imparts information in
a very haphazard way.  It also has no reference section, and no index,
making it impossible to figure out what a particular feature does.  It also
leaves out some information entirely, such as how to select multiple frames
simultaneously (you hold down SHIFT).  It's also loaded with spelling errors.
I am told that there is new and better version of the manual available.

	The animation facility almost isn't.  There is absolutely no
tweening.  To animate something, you set a cell (a scene description) and
render it.  Then you move the next cell, move the objects around for the
next *frame*, and render it.  Then you move to the next cell, move the object
around for frame three, and render it, etc etc etc.  You can specify all the
cells ahead of time, then render them all at once, but you still have to
specify the object positions on a frame-by-frame basis.  While this *can* be
very powerful, when you only have a graphical interface, it is a pain.  It is
rumored that a tweening version of Silver will become available "some day."
However, Silver will still make a good creator of still images, just as
Sculpt-3D is.

	There is only one light source.  The camera manipulation is less
than obvious.  The program also creates a number of files and directories
when editing an image/animation, which the manual makes no attempt to
explain.

	Nevertheless, Silver (in particular, Turbo Silver) has some REALLY
NEAT FEATURES that aren't found in any other commercial raytracer, such as
refraction, and smooth color "fading" on objects.  The renderer is also
astoundingly quick, being written largely in machine code (I think), using
fixed-point integers.

	In summary, if you can get past the weird user interface, you'll be
rewarded with some damn impressive images.  And, with the advent of
Syndesis' new Turbo Silver Interchange module, you can drag objects from
VideoScape and Sculpt into Silver and use them.

	Turbo Silver is worth a look.

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Leo L. Schwab -- The Guy in The Cape	INET: well!ewhac@ucbvax.Berkeley.EDU
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