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Roel Knol

Mars elevation data: longtitude, lattitude, elevation.

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Roel Knol    0

Hi everybody,

 

Can anybody please tell me where I can find global Mars data on longtitude, lattitude and elevation. Just a txt file, not all sorts of mumbo jumbo interactive maps and such. I have been looking for it but this site is the pits and other sites don't help you out any further either. It would be a great help. Thanks in advance,

 

Roel Knol,

Netherlands.

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The most recent global altimetry data for Mars is from the Mars Orbiter Laser Altimeter (MOLA) on Mars Global Surveyor. The global data products are the MEGDRs (Mission Experiment Gridded Data Records), which are image maps of topography, planetary radius, areoid, and counts, available here: http://pds-geosciences.wustl.edu/missions/mgs/megdr.html.

 

For higher-resolution coverage of a selected area of the planet, try the MOLA PEDR Query Tool, which is part of the Mars Orbital Data Explorer service. This tool can provide topography data as an image or as an ASCII table. It is available here: http://ode.rsl.wustl.edu/mars/indextools.aspx?displaypage=molapedr. This tool is useful for small areas. It would not be practical to request output for the whole planet because the resolution is so high. 

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