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Review of Visualisation Systems

4.4 IRIS Explorer

4.4.1 - Data Readers
4.4.2 - Tools for importing data

4.4.1 Data Readers

The following is a list of readers supplied with the package or available in the public or commercial domain:

In addition, the following CFD-related readers for IRIS Explorer should soon be available commercially from SciViz:

Finally, NAG has developed readers for a number of formats, including PHOENICS, USGS, NTF, etc. These will be made available as part of the next release (3.0) of IRIS Explorer.

4.4.2 Tools for importing data

Explorer provides a number of tools for importing data.

Standard IRIS Explorer Datatype Readers: There are a set of modules which are capable of reading standard Explorer data types from files, one for Pyramids, Lattices and Geometry. They are capable of reading data saved in either ascii or binary format.

Basic Ascii Format to Explorer Format: There are several modules which take files in simple ASCII formats and produce lattices. For example, the module ReadXData creates a 1D lattice from the data in an ascii file in the following format: n, x1, f(x1), x2, f(x2),... xn, f(xn), where n is the total number of data pairs. These modules are all written using DataScribe (see below).

DataScribe: This is IRIS Explorer's visual programming interface for creating modules to read data in a variety of user-defined formats. It takes ASCII or binary data files and outputs lattices (or vice versa). An example from DataScribe is shown in figure 9. Some of the features of DataScribe are:

DataScribe only works with Lattices. However, there are examples in the manual (with the source provided on-line) of readers which produce Pyramids, plus the module ComposePyr can be used to build a pyramid from a set of lattices.

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