[yt-users] A fly-through movie

[Matthew Past]

Hello,

I am also trying to make a fly-through movie. What is the best way to
combine the created images into a movie clip or gif?

Thanks in advance,
Matt

On Mon, Nov 3, 2014 at 8:04 PM, Suoqing JI <suoqing at physics.ucsb.edu> wrote:

> Hi Prof. Zhao,
>
> For this kind of rotation, you might want to change the normal vector
> which points from the camera position to the view point (the center). Say,
> for a rotation around the origin on x-y plane, you could set the normal
> vector to be [np.cos(theta), np.sin(theta), 0.], and for each values of
> theta angle a snapshot could be taken. You might also want to specify the
> north vector to a fixed direction, say [0., 0., 1.]
>
> Best wishes,
>
> --
> Suoqing JI
> Ph.D Student
> Department of Physics
> University of California, Santa Barbara
> CA 93106, USA
>
> On Nov 3, 2014, at 12:20 AM, Gongbo Zhao <gong-bo.zhao at port.ac.uk> wrote:
>
> Thanks Suoqing. I have actually seen those scripts. But I am still
> struggling to figure out how to do a movie like this,
>
> http://www.mpa-garching.mpg.de/galform/data_vis/millennium_flythru.avi
>
> What I want was to fly through the box, identify the largest halo and
> rotate it. I can zoom in, move the camera to the most dense region using
> the sample script in the cookbook, but the rotation was not satisfactory.
> it must be related to the north vector and the focus point I guess, but I
> haven't figured out how to tune it. So I am wondering whether anyone has
> done the same visualization using yt? Any advice helps.
>
> Thanks,
> GB
>
>
>
> On 2 Nov 2014, at 17:09, Suoqing JI <suoqing at physics.ucsb.edu> wrote:
>
> Hi Prof. Zhao,
>
> Yes — you might find this example useful:
> http://yt-project.org/doc/cookbook/complex_plots.html#cookbook-camera-movement
>
> Also, here is the description of Camera.move_to:
> http://yt-project.org/doc/reference/api/generated/yt.visualization.volume_rendering.camera.Camera.move_to.html
>
> Best wishes,
> --
> Suoqing JI
> Ph.D Student
> Department of Physics
> University of California, Santa Barbara
> CA 93106, USA
>
>
> On Nov 2, 2014, at 1:00 AM, Gongbo Zhao <gong-bo.zhao at port.ac.uk> wrote:
>
> Hi all,
>
> I am trying to create a fly-through movie for my ENZO data (similar to
> those millennium simulation movies). Has anyone does this using yt? I
> understand that this probably can be done by tweaking the parameters for
> the camera, but am not sure how to do it exactly.
>
> Many thanks in advance,
> GB
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