[vtkusers] normals

[Ocean Spring]

normal is a vector, right? and it is in 3D space. so it makes sense that
a 3D normal has 3 components (x,y and z directions) for each facet or
vertex.




On Mon, Oct 24, 2011 at 11:22 PM, andon <antoniod987 at gmail.com> wrote:

> Could someone tell me what i obtain from normals?? when i extract normals i
> have a double array of 3 components, but what does this array contain??
> what
> are these 3 numbers?? these normal are driving me crazy
> thank you all
> Antonio
>
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