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Mars Rendered in New Light Using Spacecraft Data
By Robert Roy Britt
Senior Science Writer
posted: 07:00 am ET
04 December 2001
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How the images were created
The new Mars renderings
were created by Adrian Lark, manager of 3D-Planet
website in the UK, and Olivier de Goursac, Mars public outreach manager
for Association Planete
Mars, the French section of the Mars Society.
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Click
to see an image gallery of the new renderings of Mars. The final
two images in the gallery show the location and vantage point of each
of the other renderings.
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We asked de Goursac for
some detail about how the new illustrations were created. Here's his reply:
"The MOLA volumes were
processed by Adrian Lark with crossover correction and ground returns only.
The resulting tab files were then reprocessed by Adrian’s own softwares which
performed interpolation. The resolution of the dataset was roughly 600mx600m.
"The resulting data
was produced as greyscale 256-color format heightmap images that were delivered
by Adrian to me. Then, I used various softwares to convert the greyscaled maps
into USGS DEM values maps and to produce high-resolution Valles Marineris images
with natural-looking canyon wall slopes. Those images were then carefully mosaicked
together, with parallax and geometrical corrections added to avoid canyon slopes
distortions.
More
about Mars:
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