Opened 15 years ago

Closed 12 years ago

#34 closed feature (fixed)

2D resolution matrix

Reported by: srkline Owned by: srkline
Priority: major Milestone: Wish List
Component: Analysis Keywords:
Cc: Blocking:


A 2D resolution matrix should be generated to be used with analysis. Again, this will require some thought about how to output this information with the reduced 2D data files. Supposedly Ken Littrell and David Mildner are working on the mathematics. John has some form of this done - but I don't know what state his code is in...

Change History (5)

comment:1 Changed 15 years ago by ajj

  • Owner changed from kline to srkline

comment:2 Changed 14 years ago by srkline

  • Component changed from SANS Reduction to Analysis
  • Milestone set to Analysis Wish List

I think I now have all of the proper equations from David - but implementation is going to be difficult. I don't know if any built-inn Igor operation will work, since the resolution is an asymmetric Gaussian, but worst of all, it's different at each point on the detector. It may require an XOP of its own to do the calculation...

comment:3 Changed 12 years ago by ajj

  • Milestone changed from Analysis Wish List to Wish List

comment:4 Changed 12 years ago by srkline

mostly done - the resolution is easily added to the output as two columns of sigmaQ_parallel and sigmaQ_perpendicular, which are the natural definitions of the resolution function. The exact format of the file is still up for debate.

comment:5 Changed 12 years ago by srkline

  • Resolution set to fixed
  • Status changed from new to closed

Resolution information is now output in an 8-column ASCII format. Documentation will be added to the wiki. And now smearing of 2D models can be done just as 1D models, using the proper instrumental resolution

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