Hello Stefan,
Thank you very much for your fast reply. I went deeper yesterday and now I
have more information about all this.
- I am developing a MITK based application in which there are only two
independent QmitkRenderWindow.
- What I tried some days ago was to create a new interactor modifying
Display Interactor copy (config.xml and interactor.xml), but I found that
it was only for 2D axial, sagital and coronal views, however what I want to
interact is the 3D QmitkRenderWindow. In MITK Mailing list
<https://sourceforge.net/p/mitk/mailman/message/33298655/> I found
something about it: "In 2D we handle the Display interaction with the
DisplayInterator, in 3D the DisplayInteractor should (but currently
doesn't) return false, and VTK takes the place to handle the events." So,
looking at the documentation of QmitkRenderWindow
<http://docs.mitk.org/nightly/classQmitkRenderWindow.html>, I found the
public function GetVtkRenderWindowInteractor
<http://docs.mitk.org/nightly/classQmitkRenderWindow.html#a28411f023543ee4ec9484bc8d5e654d4>
() which returns vtkRenderWindowInteractor object. I thought about changing
the style of the vtk iteractor so that disable the "joystick camera" by
default in 3D render to a customized one... Do you think this would work?
or is there a way to interact with the 3D Render Window using MITK
Interactions?
Looking at the MITK source code I found that for QmitkRenderWindow you
don't use MITK interactors, don't you? maybe I missunderstood.
Thank you very much for the help!
Best regards,
Rocío
2018-02-20 2:46 GMT+01:00 Dinkelacker, Stefan <
s.dinkelac...@dkfz-heidelberg.de>:
> Hi,
>
>
> I highly recommend to use the MITK interaction instead [1]. All the
> interaction in the MITK Workbench is done like this and it blends in well
> with all the other interactions in the application. You can easily access
> the mouse position through mitk::InteractionPositionEvent. Find some
> examples in the MITK source code. Look for the "resource/Interactions" and
> "src/Interactions" directories of modules, i. e. the BoundingShape module
> contains all the interaction for the Image Cropper plugin, in which you can
> modify and move a box in the render windows. There should be much smaller
> examples in the MITK source code as well.
>
>
> Best,
>
> Stefan
>
>
> [1] http://docs.mitk.org/2016.11/DataInteractionPage.html
> ------------------------------
> *Von:* LOPEZ VELAZCO, ROCIO <rocio.lo...@upf.edu>
> *Gesendet:* Montag, 19. Februar 2018 13:00
> *An:* mitk-users@lists.sourceforge.net
> *Betreff:* [mitk-users] vtkRenderWindowInteractor and LeftButtonPressEvent
>
> Hello,
>
> I am trying to simulate a virtual camera in a QmitkRenderWindow, the
> camera is fixed to the tip of a pointer object. I would like to modify the
> vtkRenderWindowInteractor so that modify the position of my object (and
> thus the camera as well) only by using the 2D coordinates the mouse
> sends(left button clicked), let's call it mouse navigation.
>
> I can access the vtkRenderWindowInteractor, but I don't know how to access
> the mouse clicked event and most important take the positions in the 3D
> world coordinates. I read about this in Display Geometry Interactor
> <http://mitk.org/wiki/Display_Geometry_Interaction_Project>, and looking
> at the RenderWindowInteractor documentation
> <https://www.vtk.org/doc/nightly/html/classvtkRenderWindowInteractor.html#ac0824fe498c523664ef739202cfc679f>
> I saw LeftButtonPressEvent
> <https://www.vtk.org/doc/nightly/html/classvtkRenderWindowInteractor.html#ac0824fe498c523664ef739202cfc679f>
> () that needs SetEventInformation() call.
>
> I am not sure how to use SetEventInformation() funcion... I guess I have
> to pass it the x and y display positions once clicked but if it "should be
> called just prior to" LeftButtonPressEvent
> <https://www.vtk.org/doc/nightly/html/classvtkRenderWindowInteractor.html#ac0824fe498c523664ef739202cfc679f>
> () it confuses me.
> Once I got the x and y positions I would do my computations so that move
> my object and the camera.
>
> I would be grateful if you could give me some tip! I don't know if this is
> the best way to achieve my objective or there is a better one.
>
> If it is not clear what I am asking feel free to make any question :)
>
> Thank you very much in advance.
>
> Best regards,
>
> Rocío
>
> --
>
> Rocío López Velazco
>
> *SimbioSYS** group, BCN MedTech*
>
> *UniversityPompeu Fabra*
>
>
>
>
> *Department of Information and Communication Technologies Roc Boronat, 122
> <https://maps.google.com/?q=Roc+Boronat,+122&entry=gmail&source=g> (Tànger
> Building), 08018 Barcelona Office 55 119
> https://bcn-medtech.upf.edu/ <https://bcn-medtech.upf.edu/>*
>
>
>
>
--
Rocío López Velazco
*SimbioSYS** group, BCN MedTech*
*UniversityPompeu Fabra*
*Department of Information and Communication Technologies Roc Boronat, 122
(Tànger Building), 08018 Barcelona Office 55 119
https://bcn-medtech.upf.edu/ <https://bcn-medtech.upf.edu/>*
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