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Visualizations Presented at SIGGRAPH 2015
The SIGGRAPH conference is widely recognized as the most prestigious forum for the publication of computer graphics research. The conference provides an interdisciplinary educational experience highlighting outstanding achievements in time-based art, scientific visualization, visual effects, real-time graphics, and narrative shorts. Below are contributions to the conference made by members of NASA Goddard's Scientific Visualization Studio.
Computer Animation Festival
The SIGGRAPH Computer Animation Festival is the leading annual festival for innovative digital film and video creators. An internationally recognized jury receives hundreds of submissions and presents the best work of the year in the two programs of the Computer Animation Festival: Daytime Selects and the Electronic Theater.
This narrated video introduces two views of the Moon's far side. Transcript.This video is also available on our YouTube channel. || A number of people who've seen the annual lunar phase and libration videos have asked what the other side of the Moon looks like, the side that can't be seen from the Earth. This video answers that question. (Update: The video was selected for the SIGGRAPH 2015 Computer Animation Festival.)Just like the near side, the far side goes through a complete cycle of phases. But the terrain of the far side is quite different. It lacks the large dark spots, called maria, that make up the familiar Man in the Moon on the near side. Instead, craters of all sizes crowd together over the entire far side. The far side is also home to one of the largest and oldest impact features in the solar system, the South Pole-Aitken basin, visible here as a slightly darker bruise covering the bottom third of the disk.The far side was first seen in a handful of grainy images returned by the Soviet Luna 3 probe, which swung around the Moon in October, 1959. Lunar Reconnaissance Orbiter was launched fifty years later, and since then it has returned hundreds of terabytes of data, allowing LRO scientists to create extremely detailed and accurate maps of the far side. Those maps were used to create the imagery seen here.In the first of the two viewpoints, the virtual camera is positioned along the Earth-Moon line at a distance of 30 Earth diameters from the Moon and 60 ED from the Earth. The focal length is equivalent to a 2000 mm telephoto lens on a 35 mm SLR, making the horizontal field of view about one degree. The view is consistent with what you might see through an amateur telescope at these distances.In the second view, the virtual camera is much closer to the Moon, only 1.2 ED, versus 31 ED from Earth. The camera focal length has been reduced to 80 mm, giving a 25° horizontal field. The result is an Earth that appears much smaller, more closely resembling the way it would look to the eye from the surface of the Moon. ||
Dailies let you experience the production culture behind a finished visual. Here artists and visualizers tell the story behind the imagery they created through a series of very short presentations.
Talks present ideas that are still in progress, or showcase how computer graphics and interactive techniques are actually implemented and used.
CALIPSO observes Saharan dust crossing the Atlantic OceanVisualizer and presenter: Kel ElkinsSummary:For the first time, a NASA satellite has quantified in three dimensions how much dust makes the trans-Atlantic journey from the Sahara Desert the Amazon rainforest. Among this dust is phosphorus, an essential nutrient that acts like a fertilizer, which the Amazon depends on in order to flourish.In this talk, Kel Elkins describes how NASA’s Scientific Visualization Studio (SVS) creates animated visualizations using data from NASA missions. Kel describes step-by-step how data from NASA’s CALIPSO satellite was used to create a visualization depicting dust from Africa traveling through the atmosphere towards South America. For PowerPoint slide presentation, click the 'Download' button above.For more details and to download other media formats, click here. ||
Explore the fascinating potential of new formats for telling stories, engaging audiences, and powering real–world applications in health, education, design, and gaming. These visualizations were created for the planetarium dome show film called Dynamic Earth.