The parameters can be required or they can be optional. They can be numbers, strings, structures, or references to arrays ("waves") of data. Parameters can be passed by value or by reference. Parameters and Return Valuesįunctions have parameters and return values. User-defined functions are quite similar to functions written in C, Pascal, or modern Fortran and are compiled for speed.
The Help menu´s Command Help item is a useful guide to these, and contextual help menus provide templates and quick access to documentation. You can use Igor's built-in programming language to call built-in functions and "operations", of which there are a considerable number (about 550). Igor ships with about 200 such procedure files written by WaveMetrics programmers.
In addition to the main procedure window named "Procedure" (which is inseparable from the current Igor "experiment"), additional procedure windows may used to organize your work or to re-use routines previously written by the user or others. These routines are entered as text in "procedure windows":
Igor pro command line software#
You can write your own software routines (or "procedures") using Igor´s built-in programming language. Wide-Angle Neutron Spin Echo Spectroscopy.
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