CFwhm:Class Properties
The CFwhm class has several properties that control the computation of the FWHM. Properties in the table below are accessed using the dot operator on the CFwhm object, for example, F.bPositive. All these parameters are set to default values when a new CFwhm object is created.
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FWHM Class Properties |
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Centroid Properties |
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radiusX |
The pixel radius for computing the centroid position in the x direction. Defaults to 5 pixels. |
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radiusY |
The pixel radius for computing the centroid position in the y direction. Defaults to 5 pixels. |
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trackX |
The pixel radius for tracking the peak or valley in the x direction from the initial position to the centroid position. Defaults to 9 pixels. |
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trackY |
The pixel radius for tracking the peak or valley in the y direction from the initial position to the centroid position. Defaults to 9 pixels. |
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bPositive |
True if centroids are computed for peaks, or false if computed for valleys. Defaults to true. |
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FWHM Properties |
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nMinIter |
The minimum number of iterations used in fitting the radial intensity profile. Defaults to 300. |
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bSnWeighting |
True to weight the data by signal to noise ratio when computing the fit. Defaults to true. |
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bAutoCentroid |
True computes the centroid before fitting the radial profile data. Defaults to true. |
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nInitialFwhm |
The trial value, in pixels, of the FWHM used in the iterative solution. Defaults to 2 pixels. |
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nMaxRadius |
The maximum radius in pixels, of the radial profile sample. Defaults to 9 pixels. |