#Camera in Turbo SV
18 messages in this thread
HELP!! Is there anything like a "zoom" and 'perspective" for the camera in
Turbo Silver SV? The manual tlaks about the focal length, etc. But it seems
that theres no easy way to get just plain zoom or perspective.
Thanks for the help!!
-Chris Dudley
Chris, what exactly do you want to accomplish? If you want to increase the
focal length of your lens (zoom in), type F5 for the camera settings
requester. You can then adjust the focal length by selecting manual and
typing in a number. I don't know what you mean about perspective for the
camera. If you want a fish eye effect, you can make your focal length very
small or adjust your Y aspect below 1.5 (the default setting). Hope that
helps.
–Rick Rodriguez
Rick, has Impulse considered setting up the numerical values for the camera
to closer represent the focal length values of a real camera, as in
Sculpt's approach? Scott
Rick,
Thanks for your help. Let me see if I can clarify what I am trying to say.
As far as perspective, changing the focal length is changing the
perspective. (ie. you can go from fish eye to telephoto type lens) But in
Turbo Silver I not sure if theres a way to set the focal length to say, a
regular 50mm lens, and the "zoom" in and out on the object making it appear
closer or futher away as you wish. Not so much like a zoom lens, but more
like true magnification of the object. It is especially hard to get a good
view of a large object such as one generated by Terrain.
Also, note that above when I say object I don't mean just the object the
camera is focusing on, a mean a magnification, or demagnification, of the
universe overall. I've found that I get very frustrated with Silver because
all I want to do is a simple zoom(Like in VideoScape or even CAD-3D for the
ST) and I am unable to do it.
Anyway, I wouldn't trade Silver for ANYTHING. Execpt maybe Imagine!!!!!!!
Thanks Again,
-Chris
P.S. Sorry about all the typos above. I've had a looooooooooong day trying
finish up a Fortran(yuch!) application for one of my classed. My brain is
msm\h.
Uhh…Make that mush!!!
I sure hopw that Rick understands what you're talking about, 'cuz you got
me confused. In normal photography parlance, "zoom" means 'change the
focal length'. Are you asking for a way to automatically generate 'frames'
with succesively larger (or smaller) focal lengths? For a stationary
camera, changing the focal length does NOT change the 'perspective' i.e.
the relative sizes of all the objects in the scene remains the same.
Victor A. Wagner, Jr.
Well, I've kind of got things figured out. This is no "zoom" in Silver. As
far as changing focal lengths, say from telephoto to fish eye, a telephoto
lens for a camera is different from a zoom lens which is what I'm really
looking for.
The problem I have with Silver is that most of the time the camera gives a
view that is too close to the object. I don't want to change to focal
length, and I don't want to have to back the camera so far away from the
object as to become unreasonable. It's just like you do when your in the
editor. You can "zoom" in and out on the object, or you can say that you
"scale the object.
Anyway, I've just found Silver to be kind of awkward. I had an ST, which I
sold to buy my Amiga. I'd hate to say it but although the image generation
in Silver is 200 times better than for any ST program, it in noway is as
easy to use as a Cyber Studio/Cyber Control/Cyber Sculpt package is for the
ST. For what Tom Hudson had to work with in the ST, he made powerful AND
easy to use applications that, even though I'd never go back to Atari, I do
miss.
-Chris
Why don't you get Tom Hudson to bring his software expertise over here
then?
Vic,
I'm sorry if I gave you the impression that I don't like Silver. I love it
and my Amiga, and I wouldn't tade them for ANYTHING! It's just I feel that
Silver is a fantastic and powerful product with a lot of thought behind it,
but I should be way past the learning curve for it and I still find myself
frustrated by it and especially the manual(No index aaaaggggg!). I just
feel that I spend a lot of time feeling frustrated.
For example, is there anyway to pick multiply points/edges/faces in Silver
besides using the shift key and picking each individual one? The shift key
idea works fine for small objects, but what if I want to make the tips of
my mountains which I made with Terrain white? Should I really have to pick
each individual face one at a time? How about just giving me a drag box of
some sort like in Modeler(for Videoscape), AutoCAD, etc. If something like
this is available in Silver I sure haven't found it.
Anyway, I love Silver. I love my Amiga and I'm not going to get rid of
either anytime soon!!
-Chris
P.S Sorry about the garbage below!!! anytime soon! As far as porting}
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Vic,
(Tom's an old friend from my BI days) ….
Tom was one of the original Amiga developers. However, he powered up
his 1000 about 3 times (using 1.0, of course). It guru'ed on him every
time. He was convinced that the Atari ST would take the world by storm so
he wasted no more time with the Amiga. Now days he's working in the MS-DOS
world.
-sja
Chris,
When I get a bit too close, I just move the camera further away
until things look OK in wire frame. Does that serve you?
Bob.
Bob,
It does for almost all purposes.
I was going to "fly" the camera through a valley I created with Terrain,
but no matter how i fiddled with placement and focal length it never worked
out. Besides, adding a zoom feature is not that much code(depending on how
they implemented the camera), and almost all other "professional" programs
let you zoom the camera.
I know it's picking, but there is no reason for a program with the power of
Silver NOT to have zoom for the camera. It's like if you were using a
camcorder , you wouldn't want to have to stand down the street to get Aunt
Whoever's dress in the frame. You'd rather just zoom out.
-Chris
..not to change the subject from zoom, but I have been able to do
fly-throughs as you described only by flying the camera AND the target on
parallel paths through the 'valley'.
Bob.
I know what you mean Bob. That's why I have a straight(sort of) valley.
It's really a canyon. I don't want to have to track a object. I wish the
pointing of the camera could be controled like in VideoScape.
-Chris
Have you tried generating an axis simply as a "trackpoint"? By setting
no specific attributes, it will be invisible, and will not show in stills
or animation. The axis can be positioned as desired, and the camera's
point of view will change accordingly.
Chris:
Actually, I think its fairly easy to add in the target. Just create a new
axis, have that axis move where you want the camera pointed, and move the
camera as well. Since you don't have any object attached to the axis you
are using as the target, it is invisible. This is actually quite flexible,
as you can pin point where you want the lens pointed as you move the
camera, and get more complex pans and zooms.
?|^] Ray Lewis
Thanks for the suggestion, Ray. I'll be sure to give it a try!!
-Chris
Hi Chris. While I do have Silver, I've been spending a lot of time with the
Broadcast version of Caligari. It has real time controls to deal with the
relationship between the object and the camera.
You can change the view with a normal zoom feature. You can also adjust the
view from wide-angle to telephoto in incremental stages and have zoom
control at any magnification. Plus being able to change the scaling of the
object, makes setting up a scene a pleasure.
While these 3 controls can be used (one at a time) in real time using the
mouse, once you start working with the script, you can combine all 3
controls together, producing some weird optical tricks! You would have to
do a bit of experimenting with timing and such, but for example:
Starting with a normal view of an object with other objects surrounding it,
you start doing a slow zoom out and at the same time start moving in! If
you can control the speed of moving in with the rate of zooming out, plus
playing with the scaling of the main object at the same time, the
surrounding objects will all go thru strange perspective changes! In
addition, those other objects could each be re-scaled and moved in or out
in relation to this main object. "Visual orchestration" indeed. Regards,
Ken Cooper
Ken,
Thanks for your suggestions. I'll be sure to check it out!!
-Chris