ENH: accurate top z distance for tree support

1. accurate top z distance for tree support
 Also fix a bug that bottom z and top z distances are misused.
    jira: STUDIO-3000, STUDIO-5990
    github: #1827
2. Change interface pattern to interlaced rectilinear when using
support material.
2. clean up tree support code

Change-Id: Icc8ce1b6844c841a6fbd1d623df707fdc8ed0f7b
(cherry picked from commit da7412a48dfb5767918ef125b9d0fb9718c03a61)
(cherry picked from commit 39ae64fc53abec794d740e36baaa13fd6fb35849)
This commit is contained in:
Arthur 2024-01-06 21:27:46 +08:00 committed by Noisyfox
parent de24d0ac2f
commit d0868d6711
8 changed files with 365 additions and 372 deletions

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