3/18/2023 0 Comments Jhelioviewer imagesWith JHelioviewer, users can visualise the Sun for any time period between September 1991 and today. The JHelioviewer software is open source, platform independent and extendable via a plug-in architecture. The JPEG2000 standard offers useful new features that facilitate the dissemination and analysis of high-resolution image data and offers a solution to the challenge of efficiently browsing petabyte-scale image archives. Since the first release of JHelioviewer, the scientific functionality of the software has been extended significantly, and the objective of this paper is to highlight these improvements. To address these challenges, we have developed JHelioviewer, a visualisation tool for solar data based on the JPEG2000 compression standard and part of the open source ESA/NASA Helioviewer Project. From a scientist's perspective this poses three problems: accessing, browsing and finding interesting data as efficiently as possible. In particular, the large volume of SDO data presents challenges: it is available only from a few repositories, and full-disk, full-cadence data for reasonable durations of scientific interest are difficult to download practically due to their size and download data rates available to most users. SOHO), multiple viewpoints (STEREO), and returning large amounts of data (SDO). Solar observatories are providing the world-wide community with a wealth of data, covering large time ranges (e.g. Up immediately, but should be applied within a few hours (Moderators workįor explanatory notes on the various fields, please see the "Notes" box ![]() ![]() * NOTE * - To prevent abuse of the E-Print Archive,Įdits of the e-prints are now moderated. There are 4561 abstracts currently viewable.
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