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  • 1
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    A software package for the data-independent management of multidimensional data (1987)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The Common Data Format (CDF), a structure which provides true data independence for applications software and has been developed at the National Space Science Data Center, is discussed. The background to the CDF is reviewed, and the CDF is described. The conceptual organization of the CDF is discussed, and a sample CDF structure is shown and described. The implementation of CDF, its status, and its applications are examined.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: EOS (ISSN 0096-3941); 68; 633-635
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Demonstration of new PCSD capabilities (1986)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The new, more flexible and more friendly graphics capabilities to be available in later releases of the Pilot Climate Data System were demonstrated. The LIMS-LAMAT data set was chosen to illustrate these new capabilities. Pseudocolor and animation were used to represent the third and fourth dimensions, expanding the analytical capabilities available through the traditional two-dimensional x-y plot. In the new version, variables for the axes are chosen by scrolling through viable selections. This scrolling feature is a function of the new user interface customization. The new graphics are extremely user friendly and should free the scientist to look at data and converse with it, without doing any programming. The system is designed to rapidly plot any variable versus any other variable and animate by any variable. Any one plot in itself is not extraordinary; however, the fact that a user can generate the plots instead of a programmer distinguishes the graphics capabilities of the PCDS from other software packages. In addition, with the new CDF design, the system will become more generic, and the new graphics will become much more rigorous in the area of correlative studies.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA. Goddard Space Flight Center Proceedings of the Second Pilot Climate Data System Workshop; 8 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    A generic applications subroutine library for the MPP (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: A new methodology to increase the utility of the Massively Parallel Processor (MPP) was developed, and is presented as an addition to the current methods of using the MPP. This methodology provides for the development of an MPP side abstraction layer that is callable from any host side high level language. Routines in the abstraction layer have the option of using a powerful software tool for accessing the stager as virtual memory. An additional abstraction layer that allows for remote access to the MPP via DECnet is discussed. This integrated approach to programming the MPP is a valuable tool for the implementation of interactive user driver systems that require the computational capabilities of the MPP as well as a controlled user view. It is expected that this methodology will be used to integrate the MPP into many such systems, and thus promote greater use of the MPP by scientific researchers who are accustomed to user friendly environments.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA. Goddard Space Flight Center, Frontiers of Massively Parallel Scientific Computation; p 271-273
    Format: application/pdf
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  • 4
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    Animated computer graphics models of space and earth sciences data generated via the massively parallel processor (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The capability was developed of rapidly producing visual representations of large, complex, multi-dimensional space and earth sciences data sets via the implementation of computer graphics modeling techniques on the Massively Parallel Processor (MPP) by employing techniques recently developed for typically non-scientific applications. Such capabilities can provide a new and valuable tool for the understanding of complex scientific data, and a new application of parallel computing via the MPP. A prototype system with such capabilities was developed and integrated into the National Space Science Data Center's (NSSDC) Pilot Climate Data System (PCDS) data-independent environment for computer graphics data display to provide easy access to users. While developing these capabilities, several problems had to be solved independently of the actual use of the MPP, all of which are outlined.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: Frontiers of Massively Parallel Scientific Computation; p 217-222
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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