Subject:
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Re: Follow up to Camera Tricks
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Newsgroups:
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lugnet.cad.mlcad
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Date:
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Mon, 30 Oct 2000 15:45:29 GMT
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Viewed:
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4519 times
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OIC
Thanks
Jay Jacinto
In lugnet.cad.mlcad, Brad Hamilton writes:
> Hi,
>
> I'm not sure I completely understand what you mean by "angle."
>
> There is something called "angle" that actually controls the the type of
> "lense" that you are using (i.e. a wide angle verses a telephoto). These
> settings are independent.
>
> The angle at which the camera is pointing is not controlled by an "angle"
> setting. Instead, you give it the camera position, and then another point
> that it should look at. The camera angle automatically adjusts to look at
> that second "look_at" point.
>
> Does that hellp?
>
> Brad
>
>
> Jay Jacinto <manjingo@yahoo.com> wrote in message
> news:G38A9x.Esp@lugnet.com...
> > In lugnet.cad.mlcad, Brad Hamilton writes:
> > > A few messages ago, I brought up a technique for setting camera positions • in
> > > POV-RAY by setting up light source objects in MLCAD. I had heard this • from
> > > someone else.
> > >
> > > Another person suggested just setting the coordinates by getting moving • the
> > > mouse in MLCAD.
> > >
> > > I've tried this now and the results are excellent!
> > >
> > > I'll describe the procedure again (since it was in a reply before):
> > >
> > > - Create your model in MLCAD. You don't need to place any POV light • sources
> > > unless you actually want to use them to place additional lights. Keep • MLCAD
> > > open during the following steps.
> > > - Use L3P to create a POV-RAY file. You don't need to use any special
> > > options.
> > > - Open the file in POV-RAY. Scroll down to the bottom and find the
> > > vaxis_rotate and look_at commands. The vaxis_rotate is the camera • position,
> > > and the look_at is where to point the camera. The trick is how to set • these
> > > coordinates!
> > > - Go back to MLCAD and move the cursor (on any pane) above where you want
> > > the camera. Notice that, as you move the mouse, the X,Y, and Z • coordinates
> > > are displayed on the status bar. Unfortunately, only 2 of the 3 will be
> > > displayed on any one pane. To get all 3 coordinates, you will have to • move
> > > the mouse to the correct spot on 2 panes. Copy the 3 coordinates into • the
> > > vaxis_rotate command (only the first 3 coordinates). Repeat the • procedure
> > > for where you want to point the camera and plug that into the look_at
> > > command.
> > > - Now run the image. I got a perfect result the first time!
> > >
> > > I hope that helps.
> > >
> > > Brad
> >
> > Hi,
> > I have just one quick question, does this work with all camera angles? • i.e. if
> > the angle parameter were set to 10 degrees?
> >
> > Thanks in advance
> > Jay Jacinto
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Message is in Reply To:
 | | Re: Follow up to Camera Tricks
|
| Hi, I'm not sure I completely understand what you mean by "angle." There is something called "angle" that actually controls the the type of "lense" that you are using (i.e. a wide angle verses a telephoto). These settings are independent. The angle (...) (26 years ago, 30-Oct-00, to lugnet.cad.mlcad)
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