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Steca Glossary

An explanation of a few terms that are used further in this text:

Session

A 'sitting': the set of loaded data files, selected datasets, detector and image settings, background and reflection regions, fitting parameters, etc. The complete state of a session can be saved to a session file, and later loaded from it.

File

An internal data structure that is related to a disk file. A file contains one or more datasets.

Dataset

A detector image and its associated metadata.

Image

The two-dimensional data structure that contains intensities read from the detector.

Intensity

A number (neutron count) associated with each image pixel, as measured by the detector.

Metadata

Descriptive data associated with an image.


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