[vtkusers] Polydata sometimes just shown after moving mousewheel

[Marc Huber]

Yes this is the solution! Thank you!

Am 4/20/2013 5:23 PM, schrieb Bill Lorensen:
> Try,
> ResetCameraClippingRange()
> on your renderer.
>
>
> On Sat, Apr 20, 2013 at 11:08 AM, Marc Huber <marchuber.hft at gmx.de 
> <mailto:marchuber.hft at gmx.de>> wrote:
>
>     Sorry to start this again.
>     Reseting the camera solves the problem but then I am at the
>     original point of the camera again.
>     What I wanted was to transform the camera and stay at this place
>     to take screenshots.
>     When I repaint my RendererWindow not all content is redrawn. After
>     I move the mousewheel it's correctly displayed.
>     The problem doesn't occur always. Just with some objects with
>     specific transformations.
>     I have attached a screenshot what the problem is. The upper window
>     is how it is created and the lower is after I moved the mouse wheel.
>     I tried to just perform a zoom event and it doesn't help.
>
>     Best regards
>     Marc
>
>     Am 4/16/2013 2:28 PM, schrieb Marc Huber:
>
>         thx! Reset the camera again after its movement solved the problem.
>
>         Am 4/16/2013 1:58 PM, schrieb David Doria:
>
>             On Tue, Apr 16, 2013 at 7:34 AM, Marc Huber
>             <marchuber.hft at gmx.de <mailto:marchuber.hft at gmx.de>> wrote:
>
>                 Hi,
>
>                 i have the problem, that if i load polydata to a
>                 renderer window depending
>                 on the dataset sometimes the object is shown directly
>                 and sometimes i have
>                 to move the mousewheel one time and then the object
>                 gets visible.
>                 For each object my camera is set depending on the
>                 center point of my
>                 polydata.
>                 I do a repaint but it doesn't help me.
>
>                 Has anyone an idea what the problem might be?
>                 Or can someone just tell me how i perform a simple
>                 event zooming in or out
>                 one time?
>
>                 My Code:
>                      double cent[3], bounds[6], lenX, lenY, lenZ, max;
>                      stlActor->GetMapper()->GetCenter(cent);
>                      stlActor->GetMapper()->GetBounds(bounds);
>                      lenX=bounds[1]-bounds[0];
>                      lenY=bounds[3]-bounds[2];
>                      lenZ=bounds[5]-bounds[4];
>                      max=lenX;
>                      if (lenY > max) {max=lenY;}
>                      if (lenZ > max) {max=lenZ;}
>
>                      cam->SetFocalPoint(cent[0],cent[1],cent[2]);
>                      cam->SetViewUp(0,0,1);
>                      cam->SetPosition(-2*max,0,0);
>                      if (direction==0)  //azimuth
>                      {
>                          cam->Azimuth(degree);
>                      }
>                      else if (direction==1) //elevation
>                      {
>                          cam->Elevation(degree);
>                      }
>                      renderer->SetActiveCamera(cam);
>                      ui.qvtkWidget->repaint();
>
>
>             Did you try renderer->ResetCamera()? Otherwise, please
>             post compilable
>             code that demonstrates the problem. The code should be as
>             simple as
>             possible (remove the Qt dependency, hard code data to
>             view, etc.)
>
>             David
>
>
>
>
>
>     -- 
>     Best regards / Mit freundlichen Grüßen
>     Marc Huber
>
>
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>
> -- 
> Unpaid intern in BillsBasement at noware dot com


-- 
Best regards / Mit freundlichen Grüßen
Marc Huber

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