Information is obtained by sending commands in the subject line of e-mail messages. Also available are various substance types, including organics, inorganics, polymers, salts, hydrates, multi-component mixtures and biosequences. The specification is available at . Questions and comments also are welcome. A new set of TIFF tag extensions for georeferencing raster data within TIFF 6.0, GeoTIFF, was announced July 1995.
Information is available at and specifications and source code are available via ftp at .
Documentation on this format is available at . Many visualization software packages exist which are intended to be used with data in one or more of these standard formats. Here are pointers to some lists of information about this software. Brief descriptions and pointers to software that can be used with netCDF is at . A page of links to many scientific visualization and graphics software packages is at .