A Novel Approach to Discovery and Access to Solar Data in the Petabyte Age

Details A Novel Approach to Discovery and Access to Solar Data in the Petabyte Age A Novel Approach to Discovery and Access to Solar Data in the Petabyte Age

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.1706m&link_type=abstract

American Astronomical Society, SPD meeting #40, #17.06; Bulletin of the American Astronomical Society, Vol. 41, p.842

Astronomy and Astrophysics

Astronomy

Scientific paper

Space missions generate an ever-growing amount of data, as impressively highlighted by SDO's expected data rate of 1.4 TByte/day. In order to fully exploit their data, scientists need to be able to browse and visualize many different data products spanning a large range of physical length and time scales. So far, the tools available to the scientific community either require downloading all potentially relevant data sets beforehand in their entirety or provide only movies with a fixed resolution and cadence. To facilitate browsing and analysis of complex time-dependent data sets from multiple sources, we are developing JHelioviewer, a JPEG 2000-based visualization and discovery infrastructure for solar image data. Together with its web-based counterpart helioviewer.org, JHelioviewer offers intuitive ways to browse large amounts of heterogeneous data remotely and allows users to search related event data bases. The user interface for JHelioviewer is a multi-platform Java client that can both communicate with a remote server via the JPEG 2000 interactive protocol JPIP and open local data. The random code stream access of JPIP minimizes data transfer and can encapsulate meta data as well as multiple image channels in one data stream. This presentation will illustrate some of the features of JHelioviewer and the advantages of JPEG 2000 as a new data compression standard.

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