Many efforts have been done to calculate quantitative amount of data as a preliminary step for seismic focal mechanism analysis. A third problem is the long list of old input data stored on different media which should be read and collected in a specific digital format to be ready for analysis software. Other cases, seismologist (users) may create their own libraries or functions to process their data, in these cases other scientists (new users) should have the same compilers (Fortran 77 or C# compilers) and should understand clearly what are the data types or format needed to be processed. Another problem is that these different software are developed on different platforms such as Unix, Xenix, Linex, Dos, windows or on Apple Operating system, therefore, scientists should have the same environment to use the software. Some software are licensed or developed for solving specific problem, or developed for a special project. A lot of separate scattered software exists in the literature like “OpenRose” version 0.01 which is written in C#. Seismologic datasets are typically large and compiled into long tables or large databases, but pure numerical information can be difficult to understand and interpret. The application program interface (API) are designed to be user friendly and use interactive screens to customize the analysis. Automatic prototype analysis reporting can be considered as the first step (milestone) for applying expert systems in focal mechanism analysis tools. This report helps for advanced processing. The application software has many advantages like automatic writing the analysis reports which contain all calculated information represented in the software graphs. A new classification of plotting double-couple earthquake focal mechanisms on the ternary diagram is defined. The third analysis tool included is a 4D plot of the distribution of earthquake events versus its depths and magnitude. Another analysis tool is bar graph using basics of rose diagrams to plot the distribution of data frequency of each class. Using visual studio dot net 2012 to create a windows based software tools for focal mechanism datasets analysis using triangle diagrams. These graphical representation views are widely used by seismologist to drive information out of its long datasets. A new computer application is created to use graphical representation of seismological data sets namely focal mechanism data to help seismologist to minimize complexities, recognize trends, discover data patterns and finally to develop the hypotheses.
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