[vtkusers] Picking Density Value

[Jothy]

You may also have a look at

http://devsample.org/index.php?option=com_content&task=view&id=48&Itemid=27

Jothy

2010/8/19 David Doria <daviddoria+vtk at gmail.com <daviddoria%2Bvtk at gmail.com>
>

> 2010/8/19 Hüseyin Savaş <metlord at hotmail.com>
>
>  Hello,
>> I want to display density(greyscale) value of my cursor's position on an
>> image while my mouse is moving.
>> For this I have RenderWindowInteractor's GetLastEventPosition() which
>> returns two integers as coordinate.
>> I have tried various ways but couldn't achieve success yet.
>> If someone could give me some lead information that would be perfect.
>> Thanks,
>>
>>
> Dean Inglis created a great example of this here:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel
>
> <http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel>Let us know
> if that does the trick.
>
> David
>
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