Ticket #3956 (closed: fixed)
FindPeak does not work well with weak peaks
| Reported by: | Wenduo Zhou | Owned by: | Wenduo Zhou |
|---|---|---|---|
| Priority: | major | Milestone: | Release 2.0 |
| Component: | Mantid | Keywords: | |
| Cc: | Peter, Peterson | Blocked By: | |
| Blocking: | Tester: | Vickie Lynch |
Description
FindPeak fits peak with a function combined from LinearBackground and Gaussian. It fails in weak peaks comparing to the background. Some new approach may be required.
Change History
comment:2 Changed 9 years ago by Wenduo Zhou
Update due to change in FindPeak(). Refs #3956 and #3935
Changeset: 7aae4c08e68e85f250bec222131370f3a5fa5572
comment:3 Changed 9 years ago by Wenduo Zhou
Move output to debug mode. Refs #3935 and #3956.
Changeset: 74f000d4399d5d1b9c2d8c2bac9799d02e80c978
comment:4 Changed 9 years ago by Wenduo Zhou
Move output to debug mode. Refs #3935 and #3956.
Changeset: 74f000d4399d5d1b9c2d8c2bac9799d02e80c978
comment:6 Changed 9 years ago by Wenduo Zhou
- Status changed from accepted to verify
- Resolution set to fixed
comment:7 Changed 9 years ago by Wenduo Zhou
- Status changed from verify to reopened
- Resolution fixed deleted
comment:10 Changed 9 years ago by Wenduo Zhou
Fix some issues observed by users. Refs #3956.
Changeset: fa27b7c2f9dd55db3e6359cc2e27483422baf4bb
comment:11 Changed 9 years ago by Vickie Lynch
Refs #3956 Change log.error to log.debug for calibrations
Changeset: bdb9b419648bfdebedfe442140662dc88bf1ca12
comment:12 Changed 9 years ago by Wenduo Zhou
- Status changed from accepted to verify
- Resolution set to fixed
comment:13 Changed 9 years ago by Vickie Lynch
- Status changed from verify to verifying
- Tester set to Vickie Lynch
comment:14 Changed 9 years ago by Vickie Lynch
- Status changed from verifying to closed
The HighBackground option works well with weak peaks.
comment:15 Changed 5 years ago by Stuart Campbell
This ticket has been transferred to github issue 4803
Enhance of the fitting of peaks. Refs #3956.