[vtkusers] Cut a space with multiple objects

[David E DeMarle]

2.5 strategies of the top of my head -
1) combine everything into a multiblock data set, rendered with the
compositepolydatamapper and clip the multiblock.
2) use one plane fed simultaneously into all of the clip filters (<--- try
this first)
2.5) use events/observers to make all of the planes follow the actions of
one master

hth

David E DeMarle
Kitware, Inc.
Principal Engineer


On Sat, Jan 12, 2019 at 6:55 PM Q Wang <wangq1979 at outlook.com> wrote:

> Hello vtkusers,
>
> I use vtk to render a closed space, e.g. a cylinder, and there are
> numerous objects inside the cylinder, as in the attached figure. Every
> object inside the cylinder is rendered with its own actor and mapper, and
> so on. Now, I want to see the cross-sectional image of the cylinder at
> arbitary positions. I tried different ways, e.g. using a vtkplane to cut,
> but cannot get what I want since there are multiple objects at the
> cross-section.
>
> Any suggestion would be appreciated!
>
> Best wishes,
>
> Chiang
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