On-line Access and Visualization of Multi-dimensional FITS Data
As astronomical data sets continue to grow in size, the challenges involved in data access and visualization increase in complexity. Obtaining entire data sets is time consuming, awkward and in many cases even impractical. Furthermore, visualization of data is traditionally accomplished off-line, requiring specialized software that is often OS/library dependent and cannot be easily installed everywhere.
We have implemented some Web-based tools for accessing and visualizing multidimensional FITS data as part of the CyberSKA Web portal. CyberSKA is a Canadian lead project aimed at developing cyberinfrastructure that will meet the evolving science needs of the Square Kilometre Array (SKA). The intent in offering on-line tools is to provide astronomers with easy access to data from any computer with a modern Web browser and Internet access. These tools are currently being used by members of the GALFACTS SKA pathfinder project for accessing and visualizing spectro-polarimetric image cube data.
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