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1 Introduction     continued...

To act as an end user of scientific visualization software on a UNIX workstation, requires the computational scientist to be able to

produce a graphics file containing the results to be viewed
operate an appropriate visualization software package, and
navigate the operating system and user interfaces of a selected workstation.

Usually, a knowledge of FORTRAN or C, access to a graphics file generation library and manuals for the selected software package and workstation are all that are required to function as an end user of software. If one is to develop custom, problem specific visualization tools, then, in addition to capabilities (i)-(iii), a knowledge of the C language and the workstation's graphics library are required. In the tutorials of Part2 of this chapter, both end user and developmental codes will be illustrated.