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ConvertHFIRSCDtoMDE v1

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Summary

Convert from the detector vs scan index MDHistoWorkspace into a MDEventWorkspace with units in Q_sample.

See Also

ConvertWANDSCDtoQ, LoadWANDSCD

Properties

Name

Direction

Type

Default

Description

InputWorkspace

Input

IMDHistoWorkspace

Mandatory

An input workspace.

Wavelength

Input

number

Mandatory

Wavelength

MinValues

Input

dbl list

-10,-10,-10

It has to be 3 comma separated values, one for each dimension in q_sample.Values smaller then specified here will not be added to workspace.

MaxValues

Input

dbl list

10,10,10

A list of the same size and the same units as MinValues list. Values higher or equal to the specified by this list will be ignored

SplitInto

Input

int list

5

A comma separated list of into how many sub-grid elements each dimension should split; or just one to split into the same number for all dimensions. Default 5.

SplitThreshold

Input

number

1000

How many events in a box before it should be split. Default 1000.

MaxRecursionDepth

Input

number

20

How many levels of box splitting recursion are allowed. The smallest box will have each side length \(l = (extents) / (SplitInto^{MaxRecursionDepth}).\) Default 20.

ObliquityParallaxCoefficient

Input

number

1

Geometrical correction for shift in vertical beam position due to wide beam.

OutputWorkspace

Output

MDEventWorkspace

Mandatory

An output workspace.

Description

This algorithm will convert the output of LoadWANDSCD v1 or the autoreduced data from DEMAND (HB3A) into a MDEventWorkspace in Q-sample, where every pixel at every scan point is converted to a MDEvent. This is similar to ConvertWANDSCDtoQ v1 except that it doesn’t histogram the data or do normalization. FindPeaksMD v1 can be run on the output Q sample space, then the UB can be found and used to then convert to HKL using ConvertWANDSCDtoQ v1 . IntegratePeaksMD v2 will also work on the output of this algorithm.

Usage

Example - ConvertHFIRSCDtoMDE

LoadWANDSCD(IPTS=7776, RunNumbers='26640-27944', OutputWorkspace='data',Grouping='4x4')
ConvertHFIRSCDtoMDE(InputWorkspace='data',
                    Wavelength=1.488,
                    OutputWorkspace='Q')

Output:

../_images/ConvertHFIRSCDtoMDE.png

Categories: AlgorithmIndex | MDAlgorithms\Creation

Source

C++ header: ConvertHFIRSCDtoMDE.h

C++ source: ConvertHFIRSCDtoMDE.cpp