[Paraview] Animating the camera

Wed Apr 15 11:03:26 EDT 2009

Utkarsh,
Thanks for the patience, it worked! I'll track the bug that Ken added and
try it out when it is fixed.

Thanks,

David

On Wed, Apr 15, 2009 at 10:57 AM, Moreland, Kenneth <kmorel at sandia.gov>wrote:

>  Part of the problem is that the file series reader is reporting time even
> when you are loading a single file with no time in it.  In retrospect, that
> is probably not a good idea.  I just assigned a bug to myself to look into
> it.
>
> -Ken
>
>
>
> On 4/15/09 8:48 AM, "Utkarsh Ayachit" <utkarsh.ayachit at kitware.com> wrote:
>
> Ok. This is a nasty one. Before I tell you the fix, be aware that this
> will change soon. We are working on cleaning up the animation time
> issues that this is exposing. So here's the problem, you are loading a
> dataset with single timestep. So ParaView switches to SnapToTimeSteps
> mode and also enters a mode where the animation start and end times
> are automatically determined based on the dataset. Inspite of changing
> the play mode to sequence, it still remains in the mode where the
> start and end times are determined by the dataset. Since that's just 1
> time, the animation does not play. To fix this, go back the "Animation
> Inspector" (remember this is going to be automated and cleaned up
> soon), and then check the "Use custom end times" check box and specify
> some animation end time which is not same as the animation start time.
> Now try playing in the Sequence mode.
>
> Utkarsh
>
> On Tue, Apr 14, 2009 at 4:21 PM, David Doria <daviddoria at gmail.com> wrote:
> > I had tried all of the modes, and nothing changed. I tried again after
> your
> > response, stopping after step 2 and making sure it was on sequence mode
> and
> > still nothing was animated. Are you able to get the correct behavior?
> I've
> > tried it with a few different models with the same result, and I've done
> all
> > of those steps in every order I could imagine and tried setting the
> > start/end times in the animation view and in the "editing camera mode" to
> no
> > avail.
> >
> > Thanks,
> >
> > David
> >
> >
> > On Tue, Apr 14, 2009 at 7:13 PM, Utkarsh Ayachit
> > <utkarsh.ayachit at kitware.com> wrote:
> >>
> >> Check your play mode. Is it set to "Snap to Timesteps" and is ParaView
> >> reporting that your dataset has only 1 timstep? Change the animation
> >> play mode to Sequence and try.
> >>
> >> Also if you are simply orbiting about the active object, you don't
> >> have to do anything after step (2). It should by default create an
> >> orbit about the object that's currently selected in the pipeline
> >> browser.
> >>
> >> Utkarsh
> >>
> >> On Tue, Apr 14, 2009 at 4:00 PM, David Doria <daviddoria at gmail.com>
> wrote:
> >> > It works with a basic example:
> >> > 1) Add a sphere source.
> >> > 2) In "animate view", choose "Camera" and click the blue "Plus"
> >> > 3) double click in the timeline near "Camera"
> >> > 4) double click "path..." next to time "0"
> >> > 5) click ok
> >> > 6) click ok
> >> > 7) click "play"
> >> >
> >> > the sphere rotates as I expect.
> >> >
> >> > However, when I do exactly the same thing, but with step 1 replaced by
> >> > opening a vtp file instead of adding a sphere source, nothing get
> >> > animated
> >> > at all.  Sometimes when I click on the camera timeline the Time's are
> >> > both
> >> > nan. It doesn't seem like the camera should be attached to either of
> >> > these
> >> > objects, making it weird that it works in one case and not the other?
> >> > Any
> >> > thoughts?
> >> >
> >> > Thanks,
> >> >
> >> > David
> >> >
> >> >
> >> > On Tue, Apr 14, 2009 at 6:43 PM, Utkarsh Ayachit
> >> > <utkarsh.ayachit at kitware.com> wrote:
> >> >>
> >> >> David,
> >> >>
> >> >> Don't use the "Animation Inspector". It is  going to be deprecated in
> >> >> the next release. Use the "Animation View" to create animations for
> >> >> the camera. Another caveat, the camera animation functionality is
> >> >> still a bit "raw", so expect some usability issues.
> >> >>
> >> >> Utkarsh
> >> >>
> >> >> On Tue, Apr 14, 2009 at 3:37 PM, David Doria <daviddoria at gmail.com>
> >> >> wrote:
> >> >> > I want to do a "fly around" of a model. I opened the animation
> >> >> > inspector,
> >> >> > and chose "selected object: Camera", and click "add keyframe". Then
> >> >> > under
> >> >> > "camera position" I clicked "Create path" (Because I want to leave
> >> >> > the
> >> >> > focal
> >> >> > point at (0,0,0) ).  The main paraview window disappears and a
> >> >> > "Create
> >> >> > Control Points" window pops up. When I click "OK", it seg faults.
> Has
> >> >> > anyone
> >> >> > else experienced this? / Am I doing something wrong?
> >> >> >
> >> >> > Thanks!
> >> >> >
> >> >> > David
> >> >> >
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>
>    ****      Kenneth Moreland
>     ***      Sandia National Laboratories
> ***********
> *** *** ***  email: kmorel at sandia.gov
> **  ***  **  phone: (505) 844-8919
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