[vtkusers] VTK 8.0.1 with Qt 5.10.1

[Mathieu Westphal]

FTI there is currently a QVTKOpenGLWidget2 in developement :
https://gitlab.kitware.com/vtk/vtk/merge_requests/3745
It may fix some of your issues. It will replace QVTKOpenGLWidget at some
point.

Best,

Mathieu Westphal

On Mon, Mar 5, 2018 at 2:03 PM, Michael Jackson <mike.jackson at bluequartz.net
> wrote:

> And also the old QVTKWidget will not work properly with Retina screens on
> macOS ( not sure about other operating systems). The problem you describe
> sounds like a retina issue we had before all the retina fixes were put into
> VTK 8.1
>
>
>
> --
>
> Michael Jackson | Owner, President
>
>       BlueQuartz Software
>
> [e] mike.jackson at bluequartz.net
>
> [w] www.bluequartz.net
>
> *From: *vtkusers <vtkusers-bounces at vtk.org> on behalf of Zoltan Kovacs <
> Zoltan.Kovacs at esi-group.com>
> *Date: *Monday, March 5, 2018 at 3:52 AM
> *To: *"'Andrew J. Buckler (Elucid Bioimaging)'" <
> andrew.buckler at elucidbio.com>, "'vtkusers at vtk.org'" <vtkusers at vtk.org>
> *Subject: *Re: [vtkusers] VTK 8.0.1 with Qt 5.10.1
>
>
>
> Hi,
>
>
>
> Why don’t you use QVTKOpenGLWidget instead of QVTKWidget? The latter one
> is obsolete and its application is already deprecated. I am not sure if it
> is correctly supported by the VTK development now. QVTKOpenGLWidget takes
> over the window management and OpenGL context creation, which is a
> different solution compared with QVTKWidget.
>
>
>
> Regards,
>
> Zoltan
>
>
>
> *From:* vtkusers <vtkusers-bounces at vtk.org> *On Behalf Of *Andrew J.
> Buckler (Elucid Bioimaging)
> *Sent:* Donnerstag, 1. März 2018 23:27
> *To:* vtkusers at vtk.org
> *Subject:* [vtkusers] VTK 8.0.1 with Qt 5.10.1
>
>
>
> Hello,
>
> I have a successfully built and running application using VTK (multiple
> versions, including 8 and earlier) running with Qt 5.5.1. It uses
> QVTKWidget extensively. At this time I am working to upgrade to Qt 5.10.1,
> specifically pairing it with VTK 8.0.1.
>
>
>
> Having successfully built Qt from source, I built VTK as follows:
>
> tar -xvzf VTK-8.0.1.tar.gz
> mkdir VTK-8.0.1-build
> cd VTK-8.0.1-build
> cmake -DCMAKE_CXX_FLAGS=-std=c++11 -DBUILD_SHARED_LIBS:BOOL=OFF
> -DQT_QMAKE_EXECUTABLE:PATH=/usr/local/Qt-5.10.1/bin/qmake
> -DCMAKE_PREFIX_PATH=/usr/local/Qt-5.10.1/ -DVTK_Group_Qt:BOOL=ON
> -DVTK_Group_Qt=1 -DVTK_QT_VERSION=5 ../VTK-8.0.1
> make -j4
> make install
>
>
>
> My application compiles and links without error on macOS 10.13, but the
> QVTKWidgets have erratic and inconsistent behavior.  Specifically:
>
> 1.       Two of them work perfectly well.
>
> 2.       Some of them do not work at all, that is, have either a blank
> content or seem to have a double-buffering error where old content from a
> portion of the screen where the widget is supposed to be displays
> previously displayed content at that location, rather than the correct
> content.
>
> 3.       Some of them show the correct content for a second or two and
> then revert to blank.
>
>
>
> It may be that the VTK build needs to be done with different flags, or
> some known incompatibility exists, or anything else. If anyone has run into
> this your help would be appreciated, or short of seeing the problem
> specifically any suggested debugging strategies would be great.
>
>
>
> With thanks,
>
> Andy
>
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