[vtkusers] Select a area of a image 2D with the mouse.

[David E DeMarle]

You may also want to look at TestAreaSelections. It tests several new
to 5.2 classes which were added for doing just this.

cheers,
Dave DeMarle

On Tue, Sep 9, 2008 at 7:00 AM, oliwe <mail at oliwe.com> wrote:
>
> Hello    carmencr,
>
> that's the way i do that in a 3D Volume - i'm not sure if there is an easier
> way ...
>
> 1. Picking Points with vtkPicker
> 2. Creating a Polygon with vtkPolygon
> 3. Running through the bounding-box of the Polygon and collecting all points
> inside the polygon
>
> hope this helps
>
> regards
> Oliver
>
>
> carmencr wrote:
>>
>> Hi user of vtk,
>>
>> I would like to ask if someone can help me. I want to know how can I
>> select a area of a image with the mouse. After that I want to be able to
>> access to the pixels that are in the selected area.
>>
>> I hope that someone can help me.
>>
>> thanks
>>
>
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