[vtkusers] Coordinates related to a volume

[Voisin]

Hi Matias,

 

I use vtk in Qt thanks to the QVTKWidget. 

 

I want to rightclick on my vtk window and display (on a Qt tooltip) if I
click or not on the 3D image.

 

For now, when I click anywhere, the tooltip appear with a testing message.
But I want to check (I don't know where) if

the coordinate of the vtk event click (x,y) correspond to points of my mesh
or not 

 

The idea is to proceed an action when clicking on the mesh but not if we
click on an empty part of the vtk window. 

 

I hope it's clearer now

 

Thanks,

 

Adrien

 

De : Matias Montroull [mailto:matimontg at gmail.com] 
Envoyé : lundi 7 avril 2014 13:49
À : AdrienV
Cc : vtkusers at vtk.org
Objet : Re: [vtkusers] Coordinates related to a volume

 

Hi Adrien,

 

What are you trying to achieve? can you provide more information?

 

Thanks,

 

On Mon, Apr 7, 2014 at 10:33 AM, AdrienV <adrien.voisin.be at gmail.com> wrote:

Hi,

I develop a basic application for medical data visualization.

I want to know if it's possible to get all coordinates (axis or world
coordinates) of a volume in a list (for example).

In fact, when I click on my vtk window, a slot function return the cursor
position (x,y). I want to put these information in a kind of lookup table,
which return true if there is a volume in this position or false otherwise.

For example : bool isVolumeAt(int x,int y)

Thanks for your help,

Adrien




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