[vtkusers] does the ordering of the points in vtkCellArray imply adjacency?

Bill Lorensen bill.lorensen at gmail.com
Fri Jul 27 15:00:14 EDT 2018


We will soon announce the Latex and Markdown versions of the text.
Equations are great.

Latex: https://lorensen.github.io/VTKExamples/site/VTKBookLaTeX/VTKTextBook/

Markdown:  https://lorensen.github.io/VTKExamples/site/VTKBook/00Preface/

Bill

On Fri, Jul 27, 2018, 11:29 AM WackoWanderer <marcwang17 at hotmail.com> wrote:

> Hi,
>
> I have a closed contour in the form of a polyline. I am accessing the point
> through vtkPolyData.GetLines() and iterating through the cells in
> vtkCellArray.
>
> I want to calculate the angle bisector at each vertex of the line.
> Therefore
> I need to know the coordinate of V_{i-1}, V_i and V_{i+1}.
>
> In the vtkCellArray, [n0, p_1, p_2,... , p_n0, ... ] , if p_2 comes after
> p_1 in the cell , does it mean that p_1 and p_2 are connected together?
>
> Ps.
> Also would it be possible to reupload the vtk textbook and user guide on
> the
> website. All the equations are not rendered correctly and therefore
> unreadable. I tried to open the pdf with bunch of pdf reader and it still
> doesn't look right.
>
> <http://vtk.1045678.n5.nabble.com/file/t342143/eqvtkimg.png>
>
>
>
> --
> Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html
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