[vtkusers] About vtkPoints::InsertPoint()

[Robert Maynard]

To be extra clear, you are trying to insert a point into unallocated
memory. Before calling SetPoint you need to first specify
the number of points you want stored with the call SetNumberOfPoints.

On Thu, Apr 26, 2012 at 9:40 AM, David Doria <daviddoria at gmail.com> wrote:

> On Thu, Apr 26, 2012 at 8:46 AM, Wenlong <scc.wwl at gmail.com> wrote:
> > Dear all,
> >
> > I'm trying to insert point coordinates into a vtkPoints instance. Here is
> > what I do
> >
> > vtkPoints* points = vtkPoints::New();
> > float x[3];
> > x[0] = 1;
> > x[1] = 2;
> > x[3] = 3;
> > points->InsertPoint(0, x);
> >
> > However, the compiler pops an error says there is acess conflict happens.
> > How can I solve this problem?
> >
> > I used above operations on Windows Vista with Visual Studio 2008 before.
> > There was  no such problem.
> >
> > Now the program is working on Windows 7 with Visual Studion 2008. Could
> > there be something related with the operation system?
> >
> > Many thanks in advance.
> >
> > Best regards
> > Wenlong
>
> If you want to insert points sequentially, use
>
> points->InsertNextPoint(x);
>
> If you want to set a specific point that already exists, use:
>
> points->SetPoint(n, x);
>
> David
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-- 
Robert Maynard
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