[vtkusers] How to vis normal vectors of polydata as arrows ?

[Lin M]

Thank you very much, guys!
It works now.

Best,
Lin

On Mon, Nov 3, 2014 at 3:55 AM, Bill Lorensen <bill.lorensen at gmail.com>
wrote:

> Here is a simple example:
> http://vtk.org/Wiki/VTK/Examples/Cxx/Visualization/OrientedGlyphs
>
>
> On Thu, Oct 30, 2014 at 8:04 AM, David Cole via vtkusers
> <vtkusers at vtk.org> wrote:
> > Also, this example:
> >
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/CurvatureBandsWithGlyphs
> >
> > contains much more than what you're asking for, but also does contain
> > exactly what you're asking for. Visualizing normal vectors with arrow
> > glyphs.
> >
> > HTH,
> > David C.
> >
> >
> > On Wed, Oct 29, 2014 at 10:52 PM, Adamos Kyriakou <somada141 at gmail.com>
> > wrote:
> >>
> >> I wrote a blog post which shows how to do that. Take a look at
> >>
> http://pyscience.wordpress.com/2014/10/05/from-ray-casting-to-ray-tracing-with-python-and-vtk/
> >>
> >> Cheers,
> >> Adam
> >>
> >> On Oct 30, 2014, at 1:33 PM, Lin M <majcjc at gmail.com> wrote:
> >>
> >> Hi all,
> >>
> >> I'm trying to vis the normal vectos of polydata as arrows. Is there any
> >> convenient way to achieve this? I read the example
> >> http://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/OrientedArrow
> >> here, but I still don't understand how to do this. It seems to vis one
> arrow
> >> we need to follow quite a lot steps. I think my problem is the same with
> >>
> http://vtk.1045678.n5.nabble.com/vtkglyph3D-with-arrowsource-td1247920.html
> >> , though there is no answer below. :-(
> >>
> >> Can anyone give me some advice? Thank you very much!
> >>
> >> Best,
> >> Lin
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