ID 198065 - Viewer: Katana crashes when previewing curves with degrees different than 1 or 3

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Problem summary

Viewing curve locations in the Viewer crashes Katana if the curve degree is not 1 or 3.

Steps to reproduce

  1. create the Alembic_In node and browse to the attached .abc geometry. This contains 4 curves, 2 with degree 1 and 3, and 2 with degree 2 and 5.
  2. in the Scene Graph don't expand all rather manually expand to: /root/world/geo/asset/curve1/curveShape1 /root/world/geo/asset/curve2/curveShape2
  3. Preview them in the Viewer and you can see this works as expected.
  4. close/hide the Viewer tab
  5. expand in the Scene Graph to /root/world/geo/asset/curve3/curveShape3
  6. Nothing wrong happens at this point. Open the Viewer and now Katana will crash. Same goes for the other curve.

Reproduced in: 2.0v1 and 2.2v1b1. Can not reproduce in 1.6v3 so marking as regression.

Expected behaviour: Katana should allow viewing curves of any degree.

Actual behaviour: Katana crashes when previewing in the Viewer curves of degrees others then 1 or 3.

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