Other
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmin22a..06c&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #IN22A-06
Other
[1926] Informatics / Geospatial, [1928] Informatics / Gis Science, [1992] Informatics / Virtual Globes, [6225] Planetary Sciences: Solar System Objects / Mars
Scientific paper
JMARS is a cross-platform software application for working with raster, vector, and hyper-spectral data. It was developed by the Mars Space Flight Facility to provide mission planning and data analysis tools to NASA's orbiters, instrument team members, students of all ages, and the general public. It began with a focus on Mars but is branching out to work with data for the Earth and Moon. It is free and open source. JMARS has several strategies for providing users with efficient and easy access to data products. Commonly-used data products are integrated, alleviating concerns about downloading, projecting, and converting data in advance, but users may still import their own data products. JMARS can load and process raw numeric rasters. Rasters may be stretched and colorized on the fly. Contour maps may be created. Groups of layers can be composed by transparency blending or building an HSV/RGB composite. Plots may be created by drawing multi-segment lines on the map, making it easy to sample elevation, thermal inertia, or other surface properties in an area of interest. JMARS can load and process vector data in several common formats. Vector data can be edited on the map or in a table. Vector processing tools can calculate properties like line bearing or polygonal area. An SQL-like scripting language provides a powerful transformation and filtering feature. JMARS provides access to many Mars data products: image footprints and rasters from the THEMIS, MOC, CTX, HiRISE, Viking, HRSC, CRISM, and Omega missions; mosaics from THEMIS, Viking, and CTX; topography from MGS MOLA; compositional maps from TES and GRS/HEND; albedo and thermal inertia from TES and Viking; spectral data from TES; the USGS Dune Database; and many more. Products are available in both graphic and numeric form where applicable. JMARS is used by the Mars Odyssey and Mars Reconnaissance Orbiter, and Lunar Reconnaissance Orbiter missions for planning and analyzing images. Mission planners decide how to effectively allocate instrument resources by using any available product, including their own. Mission participants submit regions of interest for acquisition, and review the resulting images. Command line tools provide a scriptable environment for querying the position and geometry of spacecraft and targets. JMARS is free and open source. Students and researchers are encouraged to submit their data for inclusion in the data archive, where it may be accessed by other tools that support the necessary web standards. Software developers with a little Java experience are invited to write their own layers, or to learn and borrow from our open source SVN repository. JMARS provides free and efficient access to more than a terabyte of NASA orbiter data, and the basic image and vector processing features to conveniently compare, plot, and blend data. It is used by all levels of user, and is actively supported on Windows, Mac, Linux, and Solaris.
Anwar Saadat
Christensen Per Rex
Dickenshied S.
Engle Eric
Gorelick Noel
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