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  1. Data Management
  2. DM-2775

Improve SIP fitting

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    Details

    • Type: Story
    • Status: Won't Fix
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: meas_astrom
    • Labels:
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      Description

      Dominique Boutigny says "the tan-sip fitter is very sensitive to bad matches. This is a weakness of the fitter and I think that it could (should) be rewritten in such a way to reject the outliers internally." This has resulted in iteration in the matching (DM-2755), which should be unnecessary (or at least minimised).

      Additionally, it seems the SIP fitter fits for x and y in subsequent iterations, which can confuse users.

      We should:
      1. Make the SIP fitter fit for x and y concurrently.
      2. Add rejection iterations in the SIP fitter.
      3. Remove or minimise the iterations in the matching.

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            rowen Russell Owen added a comment - - edited

            Closing as "won't fix", as Paul Price implemented outlier rejection (the most important fix) in DM-3492. The remaining work has been moved to DM-3549.

            Show
            rowen Russell Owen added a comment - - edited Closing as "won't fix", as Paul Price implemented outlier rejection (the most important fix) in DM-3492 . The remaining work has been moved to DM-3549 .

              People

              Assignee:
              rhl Robert Lupton
              Reporter:
              price Paul Price
              Watchers:
              Dominique Boutigny, Paul Price, Russell Owen
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

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