Tools For Visualization, VR and Computational Steering

Visualization systems have much common functionality but there are two other important factors:

• Is it user friendly, especially for novices.
• Is it stable on the market, will it be around in 2 years.

Some commercial companies are well established:

• AVS, Iris Explorer, IDL

Some commercial products become free:

• IBM’s Data Explorer

Some free products become commercial:

• COVISE

Is QA a problem with free products, are they open source and developed in a Linux way.

• Vtk although vtk is not always free.

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Different types of systems require different types of initialization. This way programmers do not need to worry about implementations specific details.

Notice that the arguments are sent by reference to MPI_Init. This is to support systems like the MacIntosh that do not send a copy of the command line.

As PARAMETER is a reserved word in FORTRAN, we will use the word argument also for C function calls.