Tears of Steel is downloadable from the Project Mango page. The aim is to make the Tears of Steel clip look like it is part of the notebook's page. I will project a clip taken from Tears of Steel, a film made by the Blender team, onto a clip showing a page of a notebook I filmed myself. In this example, I have a clip showing a notebook I move around. I'll use Natron to project one clip onto another. This is achieved with motion tracking and can help your film look like it has a much higher budget than it really has, while at the same time saving money on locations.Īfter our excursion into using motion tracking on an object for stabilization in the last issue of Linux Magazine, I'll show how tracking can be used for integrating backgrounds and foregrounds into your shots. However, when the camera moves, the background moves coherently with it, in such a way a painted backdrop wouldn't. It doesn't have to be fantastical settings either: Actors may seem to be walking down an avenue with a view of the Manhattan skyline or dining in a fancy restaurant, when, in reality, they are just strolling on a regular street of an anonymous Canadian city or sitting in a blank room with a few props in front of a green screen.
Motion tracking is used extensively in movies and TVs nowadays, not only to turn actors into all sorts of fantastical creatures, but also, more subliminally, to create interesting scenery for what would otherwise be a mundane backdrop. Below is the video associated with this article.
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