[vtkusers] Re: draw a circle

[Zhang, Kewu (GE Healthcare, consultant)]

 tks.

virtual void vtkRegularPolygonSource::GeneratePolylineOn  (    )
[virtual] 
"Control whether a polyline is produced. By default, GeneratePolyline is
enabled" 

Also, the normal problem still exist
Did I miss something?

Appreciate!
 

-----Original Message-----
From: vtkusers-bounces+kewu.zhang=ge.com at vtk.org
[mailto:vtkusers-bounces+kewu.zhang=ge.com at vtk.org] On Behalf Of Goodwin
Lawlor
Sent: Tuesday, November 14, 2006 3:07 PM
To: vtkusers at public.kitware.com
Subject: [vtkusers] Re: draw a circle

Zhang, Kewu (GE Healthcare, consultant) wrote:
> hi, guys.
>  
> When I try to draw a circle, I  used vtkDiskSource, by setting the 
> inner redius and out radius, i can get a circle. but the bad thing is:

> the circle is 3 dimensional,  if I do the flip operation (view the 
> circle from the other side), I only can see a black circle, since the 
> normal problem.
> then I tried the vtkregularPolygonSource to draw, I got a disk with 
> the same normal problem addressed above.
>  
> does anyone have a better solution?

When you're using vtkRegularPolygonSource make sure that you set the
GeneratePolylineOn flag on.

hth

Goodwin

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