Sound feedback navigation

ihnorton · July 14, 2017, 5:10pm

The simplest option is to use the existing BreachWarningNode infrastructure. See initialization here:

SlicerIGT/LumpNav/blob/master/LumpNav/LumpNav.py#L417-L421


self.breachWarningNode.SetPlayWarningSound(True)
self.breachWarningNode.SetWarningColor(1,0,0)
self.breachWarningNode.SetOriginalColor(self.tumorModel_Needle.GetDisplayNode().GetColor())
self.breachWarningNode.SetAndObserveToolTransformNodeId(self.cauteryTipToCautery.GetID())
self.breachWarningNode.SetAndObserveWatchedModelNodeID(self.tumorModel_Needle.GetID())

C++ code here:

github.com

SlicerIGT/SlicerIGT/blob/master/BreachWarning/MRML/vtkMRMLBreachWarningNode.cxx


// BreachWarning MRML includes
#include "vtkMRMLBreachWarningNode.h"

// Other MRML includes
#include "vtkMRMLAnnotationRulerNode.h"
#include "vtkMRMLDisplayNode.h"
#include "vtkMRMLModelNode.h"
#include "vtkMRMLNode.h"
#include "vtkMRMLTransformNode.h"

// VTK includes
#include <vtkNew.h>
#include <vtkIntArray.h>
#include <vtkCommand.h>

// Other includes
#include <sstream>

// Constants

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The actual sound is in Qt, a QSound played when the observed vtkMRMLBreachWarningNode WarningSoundPlaying property is true:

github.com

SlicerIGT/SlicerIGT/blob/master/BreachWarning/qSlicerBreachWarningModule.cxx#L164-L188


}



//------------------------------------------------------------------------------

void qSlicerBreachWarningModule::updateWarningSound()

{

Q_D(qSlicerBreachWarningModule);

if (d->WarningSound.isNull())

{

  qWarning("Warning sound object is invalid");

  return;

}

if (d->ObservedLogic==NULL)

{

  qWarning("ObservedLogic is invalid");

  return;

}

bool warningSoundShouldPlay = d->ObservedLogic->GetWarningSoundPlaying();

if (warningSoundShouldPlay)

{

  d->WarningSound->setLoops(1);

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Hope that helps.

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Sound feedback navigation

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