[vtkusers] image island removal and hole filling

[Jonathan Morra]

Thanks, let me know where I can download it from.

On Thu, Dec 2, 2010 at 2:36 PM, David Gobbi <david.gobbi at gmail.com> wrote:

> For Step 1, I have a VTK flood-fill class that do the job.  I'll upload it
> to
> gerrit so that you can try it out.  I don't think anything exists for your
> Step 2, though.
>
>   David
>
>
> On Thu, Dec 2, 2010 at 3:14 PM, Jonathan Morra <jonmorra at gmail.com> wrote:
>
>> I have a binary vtkImageData class and I want to do 2 things with it, and
>> I don't know how.
>>
>> 1.  I want to remove all islands from the image except one.  I want to
>> identify the island not to be removed by a pixel location.  I have seen
>> vtkImageIslandRemoval2D, and I don't think that'll work for me, because I do
>> not know anything about the island's size that I want to keep (it could be
>> big, small, or in the middle), all that I know is one point which
>> is guaranteed to be interior to one island, and that's the island I want to
>> keep.
>>
>> 2.  I want to do hole filling on the output of step 1 and I don't know how
>> to do that.  I saw vtkFillHolesFilter but that appears only to work on poly
>> data.  I'd like something analogous to that for vtkImageData.
>>
>> If anyone knows how to do these things, I'd appreciate it.  Also, if it
>> matters, I'm coding in Java.
>>
>> Thanks
>>
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