[vtkusers] Image To PolyData

Glen Lehmann glehmann at imaging.robarts.ca
Sun Sep 21 12:10:02 EDT 2003


Hi Florian,

Have a look at vtkImageMarchingCubes or vtkImageSeedConnectivity then 
follow one of them up with vtkCleanPolyData.  That should be a good 
start.

Glen

On Sunday, September 21, 2003, at 11:55  AM, Florian Schmidt wrote:

>
> Hi,
>
> let's say i have a 3d-volume [vtkImageData] with only salar values of 0
> in it except for some region which is marked with a 1. Is there a 
> filter
> that can produce polygonal data from this selection of voxels, so that 
> i
> can visualize the form of the marked region as a polygonal?
>
> Actually a filter that would produce a poly-cube for each marked voxel
> and afterwards merges all connected cubes would work well..
>
> Florian Schmidt
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