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3rd Planetary Workshop 2017 (LPI Contrib. No. 1986) 7124.pdf

THE NASA PLANETARY DATA SYSTEM’S AND NODE AND THE PLANETARY SPATIAL DATA INFRASTRUCTURE (PSDI) INITIATIVE. L.R. Gaddis, J. Laura, T. Hare, and J. Hagerty. U.S. Geological , Astrogeology Center, Flagstaff, AZ ([email protected]).

Introduction: An effort currently underway IMG focuses primarily on archiving, distrib- within the NASA-funded planetary com- uting, and making available data from past and pre- munity is the Mapping and Planetary Spatial Infra- sent NASA planetary missions. Extended structure Team (MAPSIT, [1]). MAPSIT is a com- topics addressed by IMG include planetary geo- munity assessment group organized to address a metric characterization and analysis, calibration, critical lack of community-based strategic spatial detailed geometric and physical camera and instru- data planning for space science and exploration ment modeling and characterization, geographic (http://www.lpi.usra.edu/mapsit/). MAPSIT is information systems, mosaicking and basemap managed for NASA through the U.S. Geological generation for planetary surface and orbital explo- Survey’s (USGS) Astrogeology Science Center ration, metadata harvesting and analysis, etc. By (ASC) and the Inter-Agency Agreement for Plane- tary Spatial Data Infrastructure (PSDI) research leveraging institutional spatial data expertise and (NASA-USGS-PSDI-IAA, [2]). A new initiative activities in ASC and working closely with data of NASA and USGS is the development of a PSDI providers, IMG also provides access to data and that builds on extensive knowledge from the ter- software that geometrically characterize and trans- restrial research community [3, 4]. PSDI is a form planetary . Through collaborations be- framework designed to enable the efficient discov- tween IMG partners at USGS and the Jet Propul- ery, access, and exploitation of planetary spatial sion Laboratory (JPL), and within projects and data to facilitate data analysis, knowledge synthe- mission operations at JPL, IMG provides software sis, and scientific decision-making. Here we ad- tools and capabilities in response to research and dress the role of this PSDI in the context of ongo- flight-project needs. Archival products of these ac- ing work to archive and deliver planetary data by tivities are made available to users through PDS NASA’s Planetary Data System, and in particular IMG online data services. the PDS Cartography and Imaging Sciences Dis- PSDI Background: The PSDI framework is cipline Node (aka “Imaging” or IMG). intended to integrate people (developers and data IMG Background: The PDS Imaging Node is users), regulatory mechanisms and policies, data a curator of NASA's larger digital collec- access technologies, standards, and planetary spa- tions from past, present, and future planetary mis- tial data. The PSDI addresses three issues often sions. Current IMG data holdings total ~975 TB seen among spatial data users. First, because data and they are projected to grow by ~200 TB each year [e.g., 5]. IMG provides to the NASA planetary collection can be prohibitively expensive, data re- science community the digital image archives, an- usability is a primary goal of the PSDI. Second, cillary data, sophisticated data search and retrieval development and delivery of highly usable, de- tools, and technical expertise necessary to develop rived data products and tools to support users di- and fully utilize the vast collection of digital - rectly without having individual users gain the spe- etary images of many terrestrial planetary bodies, cialized expertise necessary to produce them inde- including icy . Science expertise at IMG pendently. Third, the use of standards and stand- includes orbital and landed camera instrument de- ardized in the development and velopment, data processing, data engineering and sharing of tools and data will both benefit directly informatics, planetary at UV to from a well-characterized framework and simplify RADAR wavelengths, and geospatial data analysis integration of such products back into the PSDI. and product development. Managed primarily at The development and maintenance of three the USGS ASC, IMG also leverages capabilities types of foundational data products [7] are critical and ongoing NASA-funded projects in planetary to this PSDI: stand-alone data products, special- , software development (via the ized products required for the derivation of ISIS3 software [6]), spatial data analysis, and no- data products, and highly usable products provid- menclature at that institution. ing high science return across the broadest possible user base. Because many of these elements have a 3rd Planetary Data Workshop 2017 (LPI Contrib. No. 1986) 7124.pdf

long lead-time, the MAPSIT community is cur- the high-level images require additional processing rently engaged in developing a roadmap to ensure to be properly adjusted as a collection (bundle-ad- that the development of software, data products, justed or controlled) to a foundational data set or to and processing capability keeps pace with the plan- become foundational data themselves. This level etary research and exploration needs of NASA. of processing can be facilitated by PDS tools but is Leveraging available data and the most recent currently beyond the scope of what PDS can sup- technologies for data consolidation, delivery and port. However, once created such foundational accessibility, the ultimate goal of a PSDI is to pro- products can become part of the PDS archives vide seamless discovery, access, and exploitation through geospatial data delivery services such as of spatially enabled data for all data consumers the PDS IMG Annex (https://astrogeol- without any predetermined requirement of spatial ogy.usgs.gov/pds/annex). data expertise through the use of cutting edge tech- Summary: Although PDS, PDS IMG, and the nologies, standards, and transparent policy initia- PSDI have the common goals of making data ac- tives. Key aspects of the PSDI framework are its cessible and usable for NASA mission planning abilities to adapt and respond quickly to changing and research, the implementations are distinct and user needs by building on existing NASA capabil- complementary. Although the PDS focus is on ities in planetary data archiving and spatial data long-term data availability and usability, the PSDI product development. framework is a living structure that addresses user The PDS Foundation for a PSDI Frame- needs by leveraging the data within the PDS, using work: As the primary archive for planetary digital current technologies to transform those data to data, the PDS plays a critical role in laying the meet the standards and interoperability policies de- foundation for the development of a PSDI, and also fined by the PSDI, and providing data access in the ultimate success of such a PSDI. In part this mechanisms that can evolve rapidly and readily as role is achieved by recognizing that the fundamen- new technologies become available. The develop- tal goals of the PDS and PSDI are complementary. ment of a strategic PSDI plan is foundational in re- PDS emphasizes the archival and long-term preser- alizing the ability to fully leverage NASA col- vation of fundamental planetary data products, and lected spatial data in the future. NASA plays a piv- these include raw and low-level data products as otal role in driving the development of a PSDI, well as higher level products developed by mis- identifying policy alignment with existing SDI sions and resulting from exploration, science, - mandates and filling policy gaps, and empowering ping and cartography research. partners to codify a user-centered plan for spatial PDS IMG, along with other discipline nodes in data management. At present, the PSDI is in the the PDS, has developed a variety of specialized planning stages, with current emphasis on gather- and sophisticated data delivery services to support ing community input through MAPSIT on user users. For example, a user can conduct either a sim- needs, relevant standards for data delivery and ple or complex data search using the Planetary Im- software development, necessary foundational age (https://pds-imaging.jpl.nasa.gov ) or the products and tools to develop them, and how the Planetary Image Locator Tool (PILOT, https://pi- unique aspects of the people, lot.wr.usgs.gov/). The latter is integrated with the standards, policies, data access networks and data planetary image processing package ISIS3 and it will need to be integrated. allows users to select planetary image data, submit References: [1] Lawrence, S. J. et al. (2016), them for cloud processing (i.e., map-projection) 47th LPSC, abs. #1710. [2] Keszthelyi, L. et al. using the Projection on the Web (POW) tool (2017), this volume. [3] Laura, J. et al. (2017), Vi- (https://astrocloud.wr.usgs.gov/) and export them sion 2050, abs. #8110. [4] Laura, J. et al. (2017), in formats directly usable in common analytical this volume. [5] Gaddis, L. and T. Hare (2015), and tool such as ArcMap or QGIS ge- Eos, 96, doi:10.1029/2015EO041125. [6] Sides, S. et al. (2017) LPS XLVIII, 48th LPSC, abs. #2739. ographic information systems. Thus the user need th not understand the complex processing steps that [7] Archinal, B.A. et al. (2017), 48 LPSC, abs. #2286. ISIS3 performs to create such usable products from lower-level PDS data. For example, for such map- projected products to become truly foundational,