[visit-users] Creating animation with zoom on the same movie frame using keyframe and view menu

Simon Su newsgroup4ssu at gmail.com
Tue Apr 14 15:46:38 EDT 2009


Jeremy,

You rocks.... that's exactly what I wanted. I was out the last 2 days..... I
will give it a try....

Thank you so much for such a detailed explainations.....

Simon

On Mon, Apr 13, 2009 at 10:04 AM, Meredith, Jeremy S.
<jsmeredith at ornl.gov>wrote:

>  Just to be clear, you’re asking if, using the Keyframe window, you can
> create an animation with animates through some time steps, then pauses time
> while you animate the view, then starts going through the remainder of the
> time steps, right?
>
>
>
> Yep, though it could probably be simpler.  So note I’ll use “time step” or
> “database state” to refer to the simulation time, and “frame” to refer to
> the animation time.
>
> Basically, just increase the number of frames by the amount you’d like to
> pause, then make sure everything extends into those new frames, then set
> some database state keys appropriately to pause the action.
>
>
>
> Here’s a more concrete example:  let’s assume you have a 20-time-step
> simulation that you’d like to animate through time for 10 frames, then pause
> for 10 frames while you zoom, then go through the remaining time steps for
> the last 10 frames.
>
> - assuming you’ve enabled keyframing for your window, you should have a
> 20-frame animation from your 20-state database.
>
> - in the keyframe window, increase the total number of frames by the amount
> of frames you’d like to pause.  In this example, you’d start with a 20-frame
> animation, and you’d need to make it (20+10) = 30 total frames.
>
> - what this does is pads 10 frames on to the *end*, so you may have to drag
> the any “State” and “View” keyframes from frame 20 to frame 30.  You’ll also
> have to drag the right attachment of the green bar for your plots from frame
> 20 to frame 30 as well to make sure the plot(s) exists through all 30
> frames, not stopping at 20.
>
> - then click on the “State” line for your database; we’ll set up the pause
> now:
>
>     * then set your animation to frame 10
>
>     * enter “10” in the field next to the “Add state keyframe” button, and
> then click that button
>
>     * set your animation to frame 20
>
>     * entire “10” in that same field, then click the “Add state keyframe”
> button again
>
>     * if necessary, set state “20” at frame “30”
>
>
>
> Hope that helps!
>
>
>
> --
>
> Jeremy Meredith
>
> Oak Ridge National Laboratory
>
>
>
> *From:* Simon Su [mailto:newsgroup4ssu at gmail.com]
> *Sent:* Saturday, April 11, 2009 1:46 PM
> *To:* VisIt software users community
> *Subject:* [visit-users] Creating animation with zoom on the same movie
> frame using keyframe and view menu
>
>
>
>
> Hi All,
>
>
>
> I have created animation with zoom using keystone and view menu. With that
> method, the zooming of the  view accured in between keyframes over a period
> of time
>
>
>
> Is there a way to freeze the frame and apply zoom in or out on the same
> frame and continue animation with this method? This will create a better
> illustration of zoom. Because, if my animation object is contracting, and I
> zoomed in, if you don't look at the axis marker, it will not look lilke I am
> zooming in because the object size stays the same.
>
>
>
> In another word, while animating, can I stop animation, and zoom in or out,
> and then continue animation?
>
>
>
>
>
> Thanks
>
>
>
> Simon
>
> --
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>
>
>


-- 
Simon Su
Visualization Analyst
PICSciE
Princeton University
345 Peter B. Lewis Library
Washington Road and Ivy Lane
Princeton, NJ 08544
email: simonsu at princeton.edu
phone: 609-258-1434
fax: 609-258-0871
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