Le Futur C’est Maintenant

Parce que le hasard fait parfois bien les choses, achevons ce triptyque par ces images oniriques de Mars, par Curiosity.

Le film ci-dessus est l’œuvre du ‘redditeur’ Godd2. Le résultat de quatre jours de travail, passés à collecter et monter de la pellicule de la décente du rover Curiosity vers la surface martienne, accélérée à 25 images seconde.

I downloaded the 1648x1200px pictures from here and imported them into After Effects as an image sequence. Then I stretched the image sequence to run at 25 fps which resulted in a legit frame being copied 4 times until the next real frame came. At this point, I went to the original image sequence and started oding manual motion tracking, watching a crater here or there. I made sure I always had at least two data points at any given time so that I could reposition and rotate for fluid motion.

Then I copied that motion tracking data to some null objects, and told after effects to interpolate the data in between using bezier curves. Here is a picture of that progress.

Well, this wasn’t quite enough because I needed the difference in movement between frames, not motion overall, so I coded for position and rotation with After Effect Expressions.

This gave me a pretty good approximation for the main duration of the descent. Near the end I had to start accounting for changes in scale, and I went in a manually had fun with the heat shield for the first couple seconds of its descent. That’s why it looks extra smooth for the first bit. [Reddit]

Source : Reddit via The High Definite

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