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The Math Engine reads a model description from an XML file (following the model.dtd), applies this to a trial of input timeseries and optional parameters and creates an output file, which includes timeseries, parameters, event positions etc.. The Math Engine is highly configurable and includes a powerful Plugin System for simple mathematical functions and complex mathematical algorithms as well.
The following XML Model fragment shows that simple mathematical formulae can be used directly in the model description (e.g. (LSHO+RSHO)/2.0) and that more complex algorithms e.g. a definition of a coordinate system based on the position of some markers are accessed by specific elements (e.g. <coordinatesystem/>) and configured by its attributes (e.g. Position=„CLAV“).
<CalcModel name="Test"> <Point name="HorizontalAxis">(LSHO+RSHO)/2.0</Point> <CoordinateSystem name="Thorax" Position="CLAV" FirstAxis="CLAV-C7" DefiningAxis="(CLAV+C7)-(STRN+T10)" orientation="xyz"/> </CalcModel>