[Paraview] How to slice a 3D vector field?

[Berk Geveci]

A few tips for using the point source to seed streamlines on a planar dataset:

* Set the radius of the seeds to 0
* Set the number of seeds to 1
* Use the 'p' button inside the 3D window to place the point on a
visible surface. Only works when the 3D widget is visible

For line source, you can use 'p' twice to place the two end points.

-berk

On Sun, Nov 16, 2008 at 5:46 PM, Fred Fred <stan1313 at hotmail.fr> wrote:
> Ok so I think I have succeeded with the following pipeline: bluntfin.vts ->
> Slice -> SurfaceVectors -> Glyph
> which shows vectors colinear to the plane.
> Now I have a problem with placing the seed points since my place has an
> arbitrary orientation so it is not easy to determine the line extrema
> coordinates to obtain a line contained in the plane. Is it a simple way to
> cope with this issue?
>
> ________________________________
> From: stan1313 at hotmail.fr
> To: paraview at paraview.org
> Date: Sun, 16 Nov 2008 23:12:04 +0100
> Subject: [Paraview] How to slice a 3D vector field?
>
> Hello,
> I would like to slice a 3D dataset with vector data attached to points but I
> would like to keep only the tangential part of the vectors, so as to compute
> streamlines lying on the plane then. If I use the slice tool, I can extract
> a place but with 3D vectors, which means that if I compute streamlines I get
> nothing because the is-in-domain test make the integration stooping
> immediatly (at least I suppose this is the reason). So I need to create a 2D
> vector field from a 3D one. Any advice?
>
>
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