Stewart, Lachlan K., Woolfe, Ken J., and Zwartz, Dan P. (2001) A new tool for the integration, graphical presentation and comparison of files containing palaeocurrent data. Computers & Geosciences, 27 (3). pp. 351-355.

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Abstract

Regional palaeocurrent datasets frequently are stored in multiple files, whereby each file contains observations from a specific location, formation and suite of sedimentary structures. Interpretative analysis of such data often involves the graphical examination or comparison of either individual or groups of files. This task has been simplified by the development of PC99, a Visual Basic computer programme that functions in the Microsoft Windows operating environment. PC99 makes it possible to quickly combine the data in related files into a single “memory-resident” (memory) file. Up to 10 memory files can co-exist at any one time and these may be concurrently viewed and compared graphically using a “circular diagram” facility. Individual memory files may also be viewed as rose diagrams. The graphics generated may be saved to the Windows clipboard for export to third-party applications. PC99- compatible input files may be generated using a simple data-entry window and the data may be corrected for magnetic variation prior to plotting. The programme also supports a range of print and save options.

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