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  1. Data Management
  2. DM-2883

wcslib is unable to read PTF headers with PV1_{1..16} cards

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    • Type: Story
    • Status: Done
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: afw
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      Description

      SCAMP writes distortion headers in form of PVi_nn (i=1..x, nn=5..16) cards, but this is rejected (correctly) by wcslib 4.14; there is a discussion at https://github.com/astropy/astropy/issues/299

      The simplest "solution" is to strip the values PV1_nn (nn=5..16) in makeWcs() for CTYPEs of TAN or TAN-SIP and this certainly works.

      I propose that we adopt this solution for now.

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              Assignee:
              rhl Robert Lupton
              Reporter:
              rhl Robert Lupton
              Reviewers:
              Tim Jenness
              Watchers:
              Kian-Tat Lim, Robert Lupton, Tim Jenness
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