Votable Java Streaming Writer And Applications.

Virtual Observatory related tools use a new standard for data transfer called the VOTable format. This is a variant of the xm1 format that enables easy transfer of data over the web. We describe a streaming interface that can bridge the VOTable format, through a user friendly graphical interface, with the FITS and ASCII formats, which are commonly used by astronomers. A streaming interface is important for efficient use of memory because of the large size of catalogues. The tools are developed in JAVA to provide a platform independent interface. We have also developed a stand-alone version that can be used to convert data stored in ASCII or FITS format on a local machine. The Streaming writer is successfully being used in VOPlot (See Kale et al 2004 for a description of VOPlot). We present the test results of converting huge FITS and ASCII data into the VOTable format on machines that have only limited memory.