[vtkusers] High memory cost of vtkDecimatePro for 3D model generation from DICOM series

[Bill Lorensen]

The WindowedSincPolyData filter is less likely to shrink. Been using
it for years. Also, for volumes that have multiple segment labels, the
smoothing as illustrated in the example will maintain contact between
adjacent labels.

The models in this example look pretty good:
http://stity.github.io/spl-brain-atlas/utils/three/


On Thu, Mar 24, 2016 at 4:13 PM, David Gobbi <david.gobbi at gmail.com> wrote:
> On Thu, Mar 24, 2016 at 4:27 PM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> If you are trying to create surfaces from binary data or integral
>> segments, you should use DiscreteMarchingCubes followed by smoothing.
>
>
> Gotta be careful not to smooth too much, though, because smoothing the
> polydata causes it to shrink.



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