[vtkusers] question about vtkCommand

[Darshan Pai]

Why not try using SetUserTransform() or SetUserMatrix()

On Mon, Apr 23, 2012 at 12:32 AM, qlizhi <qlizhi at gmail.com> wrote:

> **
>  Thanks for reply:
>             here is my main code, and if i use [window->Render()], there
> will be an error:
>
> ERROR: In D:\Program Files (x86)\VTK 5.8.0\VTK\Rendering\vtkWin32OpenGLRenderWindow.cxx, line 247
>
> vtkWin32OpenGLRenderWindow (06DFC0B0): wglMakeCurrent failed in MakeCurrent(), error: The
> requested resource is in use.
>
>
> void CupGeologyView::addInternetEvent( vtkActor *actor, vtkRenderWindow *window)
> {
> /*actor->SetOrientation(27.0, 27.0, 27.0);*/
> internetEvent = new cupVtkUserInternetEvent;
> QThread * thread = new QThread(this);
> internetEvent->moveToThread(thread);
>
> connect(ui.allowInternetEvent, SIGNAL(triggered()), internetEvent, SLOT(init()));
> thread->start();
>
> CupRemoteModelCallback *mo1 = CupRemoteModelCallback::New();
> mo1->actor = actor;
> mo1->window = window;
> internetEvent->AddObserver(vtkCommand::UserEvent,mo1);
> mo1->Delete();
> }
>
>
> void CupRemoteModelCallback::Execute( vtkObject *caller, unsigned long eventId, void *callData )
> {
>
> cupVtkUserInternetEvent *internetEvent = reinterpret_cast<cupVtkUserInternetEvent *>(caller);
> if (eventId = vtkCommand::UserEvent)
> {
> if (actor!= NULL && window != NULL)
> {
> //to-do
> int* xyz = (int*)callData;
> double ori[3];
> ori[0] = xyz[0];
> ori[1] = xyz[1];
> ori[2] = xyz[2];
> actor->SetOrientation(ori);
> /*window->Render();*/
> }
> }
> }
>
> ------------------------------
> qlizhi
>
>  *From:* David Doria <daviddoria at gmail.com>
> *Date:* 2012-04-22 21:53
> *To:* qlizhi <qlizhi at gmail.com>
> *CC:* vtkusers <vtkusers at vtk.org>
> *Subject:* Re: [vtkusers] question about vtkCommand
>   2012/4/22 qlizhi <qlizhi at gmail.com>
>
>> **
>>
>> hi, all!
>> i write a subclass of vtkCommand, and in its function Execute(), i try to
>> change an actor's Orientation by code [actor->SetOrientation(ori)].
>> I made breakPoint on that line, it runs. But   the renderWindow  show
>> nothing. Can anybody tell me why?
>> Sorry for my poor english!
>> ------------------------------
>>  qlizhi
>>
> Did you call renderWindow->Render()? You'll probably have to make us an
> as-small-as-possible code sample so we can see exactly what you're doing.
>
> David
>
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