[vtkusers] Help with Vtk when rendering millions of points

[Bill Lorensen]

How are you representing the points? Can you provide a self-contained,
compilable example that illustrates the problem?

On Mon, Aug 6, 2012 at 7:08 AM, ikatz <ikatzbilb at hotmail.com> wrote:

> Hi,
>
> I am quite newbie in VTK and have started working in a project where I have
> a window based on VTK where different elements are loaded and displayed.
> The
> display renders circles, spheres and (most importantly) clouds of points.
> What I have been asked to do is to resolve some big problems regarding the
> update speed and some errors regarding the amount of objects.
>
> When you load a 10 million points point cloud (and before displaying it in
> the window) it works fine but when you try to render all those elements in
> the vtkRenderWindow (in the Display mentioned before) it fails or
> (depending
> on the computer) takes a lot of time.
>
> I wanted to know if this is normal when working with so many objects or if
> there is a way of doing it faster. I have read that the vtkRenderWindow
> could work with many layers (in our program it works with 2), using more
> layers could make it work better?
>
> As you may see I am a little bit lost so any help or tip would be so
> appreciated :)
>
> Thanks in advance!
>
>
>
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