The ANU translator: facilitating computer visualization and data analysis of climate model outputs

Abstract

Computer visualization and data analysis tools are an essential component in the study and evaluation of climate model output. A number of useful visualization and analysis tools already exist, each with its own set of unique strengths. A translation tool is needed to convert data from the large number of model output formats into formats suitable for use with visualization and analysis tools. Such a translator would allow a researcher using a climate model to easily exploit a large number of visualization and analysis tools. Our goal is to develop a translation tool for UNIX computer systems that will be highly portable, very simple to use, and easily expandable. The translation program, The ANU translator will feature a graphical user interface when run on any system with an X11 interface. It will work with a number of climate model formats, including: CCM1, CCM2, RegCM2, MM5, CSIRO9, and ANU-CTM. It will produce output in a range of data file formats, including Vis5D, GrADS, and netCDF. NetCDF allows access to a range of analysis and visualization tools, including AVS, HDF, and GMT. Vis5D, GrADS, and the tools compatible with netCDF will enable the user to view data statically or in animation, including the following critical options: (1) geographic distribution plots; (2) two-dimensional graphics; and (3) fully three-dimensional renderings. It is intended that this translation package be made widely available for use by the climate modelling community as a research and teaching aid.