[vtkusers] AMR dataset and non-uniform grids

[Ptibou Ptibou]

High,

I'm using VTK 5.6.

I have read the two Kitware source "pdf" document on "composite datasets".
It tells that the class vtkHierarchicalBoxDataSet creates AMR datasets with
uniform grids only.

Is it possible to use non-uniform grid with the composite dataset API ?
(Multi-Block, Multi-Piece, etc...)
It seems it was possible with an old VTK API from VTK 4.x, but I'm not
sure...

I need to create a parallelepiped at level 0 that is refined using a smaller
sphere for level 1. Then I create a barrier (another smaller sphere inside
the previous sphere) where all the mesh nodes are removed. An example can be
seen in the image file (it's a 2D cut).

Any idea ?

Kind regards
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