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Description
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The offsets are a correction to the dSpacing values and are applied
during the conversion from time-of-flight to dSpacing as follows:
.. math:: d = \frac{h}{2m_N} \frac{t.o.f.}{L_{tot} sin \theta} (1+ \rm{offset})
The detector offsets can be obtained from either: an OffsetsWorkspace where each pixel has one value,
the offset; or a .cal file (in the form created by the ARIEL software).
**Note:** the workspace that this algorithms outputs is a `Ragged
Workspace <http://www.mantidproject.org/Ragged_Workspace>`__.
Restrictions on the input workspace
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The input workspace must contain histogram or event data where the X
unit is time-of-flight and the Y data is raw counts. The
`instrument <http://www.mantidproject.org/instrument>`__ associated with the workspace must be fully
defined because detector, source & sample position are needed.
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