[vtkusers] vtkStreamTracer Contd

[Jeff Lee]

Hi James,
The array is a value per seed point - i.e. each seed has a reason for 
termination.  Your example gives feedback on the first seed.
-Jeff

James C. Robinson wrote:

>Dear All,
>
>Okay, so it's Sunday morning and I don't expect answers right now, so I went
>looking in more detail at the vtkStreamTracer source code. Is the following
>a correct attempt at getting the ReasonForTermination:
>
>    vtkIntArray* ReasonForTermination =
>(vtkIntArray*)pStreamLine->GetOutput()->GetCellData()->GetArray("ReasonForTe
>rmination") ;
>    switch (ReasonForTermination->GetValue(0))
>    {
>      case vtkStreamTracer::OUT_OF_DOMAIN:
>          message.Format("Reason for termination: The streamtube exited the
>domain.") ;
>		  retval = 1 ;
>	  break ;
>      case vtkStreamTracer::NOT_INITIALIZED:
>          message.Format("Reason for termination: The streamtube was
>initialized.") ;
>		  retval = 2 ;
>	  break ;
>      case vtkStreamTracer::UNEXPECTED_VALUE:
>          message.Format("Reason for termination: The streamtube generated
>an unexpected value.") ;
>		  retval = 3 ;
>	  break ;
>      case vtkStreamTracer::OUT_OF_TIME:
>          message.Format("Reason for termination: Reached the maximum
>propagation time.") ;
>		  retval = 4 ;
>	  break ;
>      case vtkStreamTracer::OUT_OF_STEPS:
>          message.Format("Reason for termination: Reached the maximum number
>of steps.") ;
>		  retval = 5 ;
>	  break ;
>      case vtkStreamTracer::STAGNATION:
>          message.Format("Reason for termination: Reached the terminal
>velocity.") ;
>		  retval = 6 ;
>	  break ;
>    }
>
>or am I way off the mark?
>
>I have implemented this and the reason that it is throwing up is
>OUT_OF_TIME - which I must investigate (becaue the streamtube that I am
>generating is very short).
>
>Many thanks,
>
>Jim
>
>______________________
>
>James C. Robinson, PhD,
>Chartered Engineer,
>Kepler Simulation Systems Ltd.,
>42 Rivergrove,
>Glanmire, Co. Cork,
>Eire
>
>Tel:         +353-21-4822028
>Tel:         +353-87-2393010
>Fax:        +353-21-4822028
>E-mail:     j.robinson at kepler-systems.com
>______________________
>
>
>
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