Commit e1bdf86e authored by Thomas Vincent's avatar Thomas Vincent

add doc for background subtraction

parent d8de57a9
......@@ -63,21 +63,26 @@ You have to click on the **Update** button as it is not refreshed in real time.
Background selection
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TODO
Three options are available for background subtraction:
* **-**: No background
* **Constant**: Shift data so that the minimum is 0.
* **Snip**: Statistics-sensitive Non-linear Iterative Peak-clipping background estimation algorithm.
See `snip1d implementation documentation <http://www.silx.org/doc/silx/latest/modules/math/fit/filters.html?highlight=snip1d#silx.math.fit.snip1d>`_ for details and references.
Fit parameters
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Three options are available :
Two options are available:
* **Gaussian** : Fits a single gaussian function on the Q space projected on each axes.
* **Gaussian**: Fits a single gaussian function on the Q space projected on each axes.
Results returned are:
* Area
* Center position
* Width
* **Centroid** : Computes the center of mass and maximum. Results are:
* **Centroid**: Computes the center of mass and maximum. Results are:
* Center of mass
* Integrated intensity
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