[vtkusers] [Insight-users] get bounds an actor in thread

[yas ---]

I have single thread that I want use vtk commands in it!
may you show me an example that uses thread in vtk ?
thansk alot!


On Tue, Apr 16, 2013 at 12:58 AM, David Cole <dlrdave at aol.com> wrote:

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> You have to synchronize access to VTK objects with the main GUI thread,
> where they typically exist and are called from.
>
> VTK is not, generally speaking, safe for access from multiple threads
> unless you take care to lock your access to them with a mutex or similar
> locking mechanism.
>
>
> HTH,
> David
>
>
> -----Original Message-----
> From: yas --- <yas2349 at gmail.com>
> To: vtkusers <vtkusers at vtk.org>; insight-users <insight-users at vtk.org>
> Sent: Mon, Apr 15, 2013 4:16 pm
> Subject: [Insight-users] get bounds an actor in thread
>
>
> I write follow code  in  a thread.
>
> void updateHaptics(void)
> {
>
> while(simulationRunning )
>
>      {
>    double bounds[6];
>
>    toolactor->Getbounds(bounds);
>
>
>        }
> simulationRunning=false;
>
>     }
>
>     // exit haptics thread
>     simulationFinished = true;
>
> }
>
> beacuse of use from   Getbounds function ,after running ,this is follow
> error:
>
> Error: in VTK\Filtering\vtkExcutive in line 783
>
>
>
> vtkErrorMacro(<< method << " invoked during another request.  "
>                     "Returning failure to algorithm "
>                     << this->Algorithm->GetClassName(
> ) << "("
>                     << this->Algorithm << ").");
>
>
>
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