[vtkusers] VTK+Qt on ubuntu 9.10

[ruben.hernando.vaca at upc.edu]

nothing is the same :(

ruben


Quoting Jothy <jothybasu at gmail.com>:

> Try vtkWidget->Show() without repaint it should work even without  
> Render() call.
>
> Jothy
>
> On 8/5/10, ruben.hernando.vaca at upc.edu <ruben.hernando.vaca at upc.edu> wrote:
>> Hi Jothi
>>
>> Thanks!!!!! the problem is solve but :( the color appears one second
>> (in this case red color ) and later it disappears again.
>>
>> 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(1.0,0.0,0.0);
>>       vtkWidget->repaint();
>>   }
>>
>> I need repaint the vtkWidget in a loop without addRenderer.
>>
>> Thanks for all
>>
>> Ruben
>>
>>
>>
>> Quoting "David Doria" <daviddoria+vtk at gmail.com>:
>>
>>> On Thu, Aug 5, 2010 at 7:46 AM,  <ruben.hernando.vaca at upc.edu> wrote:
>>>> 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.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>
>>> In this context it would be
>>>
>>>  vtkWidget->GetRenderWindow()->Render();
>>>
>>> Thanks,
>>>
>>> David
>>>
>>
>>
>>
>