No problem! it is now rendering the app in a slow way... if I change tab it
does not react on time. I guess this is not the expected behaviour, I
should have missed anything else..
2018-07-17 14:24 GMT+02:00 Dinkelacker, Stefan <
s.dinkelac...@dkfz-heidelberg.de>:
> Ah, yeah, sorry, totally forgot about these lines at the very beginning of
> program execution. Good catch!
>
>
>
> *From:* LOPEZ VELAZCO, ROCIO [mailto:rocio.lo...@upf.edu]
> *Sent:* Dienstag, 17. Juli 2018 14:22
>
> *To:* Dinkelacker, Stefan
> *Cc:* mitk-users@lists.sourceforge.net
> *Subject:* Re: [mitk-users] MITK based app problems with new release2018
>
>
>
> Hello again,
>
>
>
> I solved it!! :)
>
> By reading the QVTKOpenGLWidget Class Reference
> <https://www.vtk.org/doc/nightly/html/classQVTKOpenGLWidget.html#details>,
> it says:
>
> So, I added that line and now it runs perfectly.
>
>
>
> Thank you!
>
> Best regards,
>
>
>
> Rocio
>
>
>
> 2018-07-17 13:57 GMT+02:00 LOPEZ VELAZCO, ROCIO <rocio.lo...@upf.edu>:
>
> OK,
>
>
>
> - I checked that the VTK_RENDERING_BACKEND is set to OpenGL2
>
> - I changed my includes to QVTKOpenGLWidget.h file.
>
> - How can I make sure I just use VTK and not OpenGL directly?
>
> - I also followed the warning and added in my app's CMakeLists the changes
> to solve that:
>
> cmake_policy(SET CMP0072 NEW)
> set(OpenGL_GL_PREFERENCE GLVND)
>
>
>
> It still desn't work. I guess it is something related to the new vtk 8, qt
> and my app... I am trying with a very little example but it does not work
> either.
>
>
>
> Thanks for all!
>
>
>
>
>
>
>
> 2018-07-17 12:51 GMT+02:00 Dinkelacker, Stefan <s.dinkelacker@dkfz-
> heidelberg.de>:
>
> Also you should ensure to link against the OpenGL2 VTK components instead
> of the OpenGL VTK components. The VTK backend in VTK’s CMake should be set
> to OpenGL2 by default. But just double check. Yes, you need to use
> QVTKOpenGLWidget.h. You should also make sure to just use VTK and not
> OpenGL directly. You can also try to follow the CMake warning you posted
> earlier and set the variable that allows for using GLVND instead of legacy
> OpenGL.
>
>
>
> *From:* LOPEZ VELAZCO, ROCIO [mailto:rocio.lo...@upf.edu]
> *Sent:* Dienstag, 17. Juli 2018 11:56
>
>
> *To:* Dinkelacker, Stefan
> *Cc:* mitk-users@lists.sourceforge.net
> *Subject:* Re: [mitk-users] MITK based app problems with new release2018
>
>
>
> Hello Stefan,
>
>
>
> Thank you for your fast reply. Yes, I think that the main point here is
> that I developed my app based in the source code of MITK old release 2016
> (vtk 7). And now I want to "adapt" the app for the new MITK release 2018
> (vtk 8). I found that I should use* QVTKOpenGLWidget.h* in spite of
> *QVTKWidget.h,
> *is that right? I changed that but it still gives me the error. Could you
> give me some tips on how should I modify my app? What should I take into
> account with the new vtk?
>
>
>
> Thank you very much again!
>
> Regards,
>
>
>
> Rocío
>
>
>
> 2018-07-17 11:40 GMT+02:00 Dinkelacker, Stefan <s.dinkelacker@dkfz-
> heidelberg.de>:
>
> Well, at least I can tell you that there is a big difference between the
> last release and the master/upcoming release. We’re now based on VTK 8.x
> which is using a “modern” version of OpenGL. So if the workbench that works
> for you is based on the last release, whereas your application is based on
> our source code that depends on VTK 8.x, that’s most probably the
> explanation for the difference.
>
>
>
> *From:* LOPEZ VELAZCO, ROCIO [mailto:rocio.lo...@upf.edu]
> *Sent:* Dienstag, 17. Juli 2018 10:56
> *To:* Dinkelacker, Stefan
> *Cc:* mitk-users@lists.sourceforge.net
> *Subject:* Re: [mitk-users] MITK based app problems with new release2018
>
>
>
> Hello all again,
>
>
>
> I discover two different things that may affect this error. I checked the
> versions of the drivers in the computer and they are all correct, so the
> error I posted is caused by other reason... I found this warning when
> compiling MITK, do you think it has something to do? But again, if the
> workbench works properly it must be fine...
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *CMake Warning (dev) at /usr/share/cmake/Modules/FindOpenGL.cmake:270
> (message): Policy CMP0072 is not set: FindOpenGL prefers GLVND by default
> when available. Run "cmake --help-policy CMP0072" for policy details. Use
> the cmake_policy command to set the policy and suppress this warning.
> FindOpenGL found both a legacy GL library: OPENGL_gl_LIBRARY:
> /usr/lib64/libGL.so and GLVND libraries for OpenGL and GLX:
> OPENGL_opengl_LIBRARY: /usr/lib64/libOpenGL.so OPENGL_glx_LIBRARY:
> /usr/lib64/libGLX.so OpenGL_GL_PREFERENCE has not been set to "GLVND" or
> "LEGACY", so for*
>
> *compatibility with CMake 3.10 and below the legacy GL library will be
> used.*
>
>
>
>
>
> The other issue is related with the *QVTKWidget.h* file. When I compile
> my application it gives me the error "fatal error: QVTKWidget.h: No such
> file or directory
> #include "QVTKWidget.h", whereas it exists and is located in the folder:
> /.../mitk2018/build-release/ep/src/VTK/GUISupport/Qt but the compiler
> does not find it.
>
>
>
> In last version of MITK this file was located in
> /home/.../mitk2016/build-release/ep/include/vtk-7.0
> could this have something to do?
>
>
>
> Any help will be very welcome!
>
>
>
> Thank you in advance.
>
> Best regards,
>
>
>
> Rocío
>
>
>
>
>
>
>
> 2018-07-14 2:19 GMT+02:00 Dinkelacker, Stefan <s.dinkelacker@dkfz-
> heidelberg.de>:
>
> Hi,
>
>
>
> the OpenGL entry points are determined during runtime, so most probably
> this IS related to your graphics driver. My advise is to follow the hint of
> the error message. Just in case if you're running a VM: you also get the
> same error message when running the Workbench in VirtualBox, as the vbox
> graphics driver can't handle the higher requirements.
>
>
>
> Best,
>
> Stefan
> ------------------------------
>
> *Von:* LOPEZ VELAZCO, ROCIO <rocio.lo...@upf.edu>
> *Gesendet:* Freitag, 13. Juli 2018 17:40
> *An:* mitk-users@lists.sourceforge.net
> *Betreff:* [mitk-users] MITK based app problems with new release2018
>
>
>
> Hello all,
>
>
>
> I work with Fedora 27. I compiled a new branch of mitk2018
> T24059-IGTRelease-2018.03
> <https://phabricator.mitk.org/source/mitk/browse/T24059-IGTRelease-2018.03/>
> and it works perfectly.
>
>
>
> I have a MITK-based application that worked with MITK last release (2016).
> However I now link it to the new mitk2018 and I have weird errors regarding
> OpenGL2 and vtkShaderProgram:
>
>
>
>
> *ERROR: In
> /.../mitk2018/build-release/ep/src/VTK/Rendering/OpenGL2/vtkOpenGLRenderWindow.cxx,
> line 797 vtkGenericOpenGLRenderWindow (0x2d07cf0): GL version 2.1 with the
> gpu_shader4 extension is not supported by your graphics driver but is
> required for the new OpenGL rendering backend. Please update your OpenGL
> driver. If you are using Mesa please make sure you have version 10.6.5 or
> later and make sure your driver in Mesa supports OpenGL 3.2.*
>
> I can compile the source but the error appears when executing the
> application and in runtime vtk, the interface looks like this:
>
>
>
>
>
> You could reproduce this error using the code: https://github.com/RocioLO/
> MITK2018-based-app. You should first give it the MITK-build directory
> path in cmake and then just compile and execute.
>
>
>
> I don't think this is not about updating my OpenGL driver, but more
> related with linking libraries...
>
> Would you have any idea on what might be happening?
>
> Any comment would be very welcome.
>
>
>
> 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
> <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
> <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
> <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
> <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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