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  1. Aug 27, 2023
    • Jaswant Panchumarti (Kitware)'s avatar
      vtkBlockSortHelper: Attempt to handle disconnected blocks · 42c0d5c9
      Jaswant Panchumarti (Kitware) authored
      - Until now, vtkBlockSortHelper did not make any decision when the
      blocks are disconnected, yet,  it always reversed the input vector
       and copied that into the result vector.
      - As a result, every render caused back blocks to be drawn last and the
      blocks in the front would render first and this alternates the next
      frame causing a flicker effect.
      - Addresses paraview/paraview#22262
      - Implements algorithm described in vtk/vtk#19048
      - All blocks that are connected are placed inside groups.
      - The blocks within those groups are sorted as before. Note that now,
      ComputeOrderWithUncertaininty is asked to not allow disconnected bounding
      boxes.
      - The groups themselves are sorted by computing the overall bounding box
      of the group. However, this time, ComputeBoundsWithUncertainity is asked to allow
      disconnected bounding boxes.
      - There are still some edge cases that are not handled - ex two blocks
      share a tiny amount of 3-dimension overlap.
      42c0d5c9
  2. Aug 26, 2023
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