Ticket #5888 (closed: worksforme)

Opened 8 years ago

Last modified 5 years ago

FindPeaks fails to find broad, multi-point peaks

Reported by: Jose Borreguero Owned by: Jose Borreguero
Priority: major Milestone: Release 2.3
Component: Mantid Keywords:
Cc: Blocked By:
Blocking: Tester: Wenduo Zhou

Description

Broad peaks (FWHM~250) are not found by FindPeaks algorithm.

Attachments

ws_545_5.dat​ (60.9 KB) - added by Jose Borreguero 8 years ago.
ascii file containing spectrum to fit
ws_545_5.png​ (32.5 KB) - added by Jose Borreguero 8 years ago.
picture highlighting the peak not found by FindPeaks

Change History

Changed 8 years ago by Jose Borreguero

ascii file containing spectrum to fit

Changed 8 years ago by Jose Borreguero

picture highlighting the peak not found by FindPeaks

comment:1 Changed 8 years ago by Jose Borreguero

  • Status changed from new to verify
  • Owner changed from Wenduo Zhou to Jose Borreguero
  • Resolution set to worksforme

A broad peak (FWHM~250) can be found assuming its center is located in the neighborhood of certain position. Thus, the peak can be found by traveling along the X-axis and performing a search assuming the location of the center at each step.

comment:2 Changed 8 years ago by Wenduo Zhou

  • Status changed from verify to verifying
  • Tester set to Wenduo Zhou

comment:3 Changed 8 years ago by Wenduo Zhou

  • Status changed from verifying to closed

comment:4 Changed 5 years ago by Stuart Campbell

This ticket has been transferred to github issue ​6734

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