[vtkusers] vtkImageMathematics (A NOT B type Operation)?

[Bill Lorensen]

Did you look at vtkImageLogic?



On Tue, Aug 12, 2014 at 11:56 AM, Mallikarjun K <mallikarjun49 at gmail.com>
wrote:

> Hi ftouvet,
> Thanks for the reply and suggestion.
>
> Sorry for the confusion..Let me illustrate the question like this...
>
>       vtkImageMathematics *maths = vtkImageMathematics::New();
>         maths -> SetOperationToSubtract();
>         maths -> SetInput1(ImageDataA);
>         maths -> SetInput2(ImageDataB);
>         maths -> Update();
>
> When I use this subtract method ,I am getting the Output like this as
> shown in below fig(A XOR B).
>                      [image: Inline image 1]
> But the Output what I wanted is like this as shown in below fig(A NOT B).
>                       [image: Inline image 2]
>
> Somehow I make use of existing methods from this filter and pulled the
> output what I wanted.
> I did like this...Inverted ImageDataB and multiplied with ImageDataA.
>
> Output=multiply(ImageDataA,Invert(ImageDataB)).
>
>
> Thank you
>
>
>
>
>
>
>
>
> On Mon, Aug 11, 2014 at 3:53 PM, ftouvet <francois.touvet at inria.fr> wrote:
>
>> not sure of what you are talking about and if my answer will be relevant,
>> but
>> this kind of operation can be done on polydatas with
>> vtkBooleanOperationPolyDataFilter
>> <
>> http://www.vtk.org/doc/nightly/html/classvtkBooleanOperationPolyDataFilter.html
>> >
>> .
>>
>>
>>
>> --
>> View this message in context:
>> http://vtk.1045678.n5.nabble.com/vtkImageMathematics-A-NOT-B-type-Operation-tp5728130p5728173.html
>> Sent from the VTK - Users mailing list archive at Nabble.com.
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>
>
>
> --
> *Regards:*
> Mallik
>
>
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