[vtk-developers] I would like to give some VTK classes

[John Platt]

Dear Ferenc,

I have been trying to use QVTKOutputWindow on WinXP as follows

    vtkQtOutputWindow* ow = vtkQtOutputWindow::New();
    QVTKOutputWindow* qtow = new QVTKOutputWindow( this );
    qtow ->setShowOnLogAdded( true );
    ow ->DisplayText("some text");

but nothing is shown. I think the problem is that there are 2 instances of 
vtkQtOutputWindow, "ow" and the instance created in the constructor of 
QVTKOutputWindow, each sharing the single instance of vtkOutputWindow. 
Nothing is shown because "ow" has no
TextEditTarget set.

It may be difficult to derive

    vtkQtOutputWindow : public vtkOutputWindow

because vtkOutputWindow is a vtkWin32OutputWindow on Windows and not 
vtkOutputWindow.
The potential for your classes is to be able to output QString's but I don't 
see how this can be done at present.

Regards,
John.



----- Original Message ----- 
From: "Nasztanovics Ferenc" <naszta at naszta.hu>
To: <vtk-developers at vtk.org>
Sent: Tuesday, December 08, 2009 7:09 AM
Subject: [vtk-developers] I would like to give some VTK classes


Dear Kitware,

I use your VTK library for years. I would like to add 3 useful library for 
QVTK.

For QVTK:

1) vtkQtOutputWindow

It is a subclass of vtkOutputWindow and it writes out VTK output to a Qt 
widget (vtkQtOutTextWidget).

2) vtkQtOutTextWidget

It is a thread safe widget to write out VTK output. Qt 4.4 or higher its 
base is QPlainTextEdit, else QTextEdit.

3) QVTKOutputWindow

It is a full implementation of output window. Practically it is made in 
"main" function.

For Infovis:

4) vtkSimple3DCirclesStrategy

It is a graph drawing strategy. It works on vtkDirectedGraphs, where there 
is no loop.

Best regards,

Ferenc Nasztanovics



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