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Smoothing is very often used with noisy spectra to emphasize relevant information and to wipe out background noise. The Savitzky-Golay algorithm is applied to smooth data.

Smoothing is performed as follows:

Smoothing menu command

To apply smoothing using the menu command, please follow the instructions below:

  1. Activate the 2D or 3D data view with objects to be transformed.

  2. From the Mathematics menu, select the Smoothing command.

  3. In the Mathematics tab, adjust smoothing parameters.

    • Adjust the Polynomial Order of the smoothing fit function.

    • Adjust the number of data point taken into account for the Smoothing Window.

  4. Press the Calculate button.

Smoothing keyboard shortcut