[vtkusers] VTK+Qt on ubuntu 9.10

[ruben.hernando.vaca at upc.edu]

Hi Jothy

renderer? this is a variable "ren":

in my .h i have:

    QVTKWidget* vtkWidget;
    vtkRenderer* ren;

and .cpp

     ren->Render();

I don't understand.

Thanks for all

ruben





Quoting Jothy <jothybasu at gmail.com>:

> I think you should call renderWindow->Render() not renderer->Render();
>
> It works fine on my m/c with the same setup (vtk+qt+qtcreator).
>
> Jothy
>
> On Thu, Aug 5, 2010 at 12:18 PM, <ruben.hernando.vaca at upc.edu> wrote:
>
>> Hi,
>>
>> Well, this is my problem when I debut on QT + VTK + QTCREATOR:
>>
>> MainWindow::MainWindow(QWidget *parent) :
>>    QMainWindow(parent),
>>    ui(new Ui::MainWindow)
>> {
>>    ui->setupUi(this);
>>    vtkWidget = new QVTKWidget(this,QFlag(0));
>>    ui->verticalLayout->addWidget(vtkWidget);
>>    ui->verticalLayout->update();
>>    ren = vtkRenderer::New();
>>    vtkWidget->GetRenderWindow()->AddRenderer(ren);
>>    ren->SetBackground(1.0,1.0,1.0);
>>    ren->Render();----------------------->PROBLEM!!!! -->>>The inferior
>> stopped   because it received a signal from the Operating    System. Signal
>> name : SIGSEGV - Signal meaning : Segmentation fault
>>
>> }
>>
>> When I debut, with Qtcreator everything is ok until the instrucction
>> ren->Render() is executed and have the message: The inferior   stopped
>> because it received a signal from the Operating System. Signal name :
>> SIGSEGV - Signal meaning : Segmentation fault.
>>
>> I have the same message when at the command line i use qmake, make....
>>
>> My Desktop PC  has: Ati X1300, the openGL runs so good and the qtdemo is
>> ok.
>>
>> On the other hand I have laptop HP with the same S.O ubuntu 9.10 and run
>> QT+VTK+QTCreator, the different thing is the Card which is the NVIDIA, but i
>> don't thing so it would be that because the openGl runs so good in my
>> Desktop PC.
>>
>> Another things is that in the Desktop PC I display two monitors in
>> dual-mode thats mean that the graphic card configuration is good.
>>
>> What happened?? I know, there are three topics QT,VTK and linux but I so
>> sure the problem is VTK.
>>
>> Thanks for all
>>
>> Ruben.
>>
>>
>>
>>
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>