[vtkusers] How can i point a 3D point by cylinder source

[Arindam Saha]

Hi Alex,

Many thanks for the explanation.It worked for me.

> On May 13, 2013 at 5:46 PM Alex Malyushytskyy <alexmalvtk at gmail.com> wrote:
> 
>  From VTK documerntation:
>  "vtkCylinderSource creates a polygonal cylinder centered at Center; The axis
> of the cylinder is aligned along the global y-axis."
> 
>  So to achieve what you want translate output of vtkCylinderSource (which is
> polidata) height/2 along y-axis which will place beginning of the cylinder at
> origin, then rotate it about x (90 degrees ) to have axis of the cylinder
> aligned with  Z axis.
>  You may look at
> 
>  vtkTransformPolyDataFilter and  vtkTransform
> 
>  There some examples on wiki pages:
>  <http://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/OrientedArrow>
> 
>  Alex
> 
> 
>  On Sun, May 12, 2013 at 10:42 PM, Arindam <arindam at triassicsolutions.com
> <mailto:arindam at triassicsolutions.com> > wrote:
>    > >    Hi,
> > 
> >    I am showing my 3D point with 3d glyphing with spare source. And i want
> > to point the points by cylinder source.But by each translation the point is
> > showing at the middle of cylinder source.But i want it to come at the tip
> > and it should point vertically .Please help me for doing this.
> > 
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