mitk::PositionTracker Class Reference [Interaction Classes]

Interactor for Mouse Tracking. More...

#include <mitkPositionTracker.h>

Inheritance diagram for mitk::PositionTracker:

Collaboration diagram for mitk::PositionTracker:

List of all members.

Public Types
typedef PositionTracker	Self
typedef StateMachine	Superclass
typedef itk::SmartPointer< Self >	Pointer
typedef itk::SmartPointer < const Self >	ConstPointer
Public Member Functions
virtual const char *	GetClassName () const
Static Public Member Functions
static Pointer	New (const char *_arga, OperationActor *_argb)
Protected Member Functions
	PositionTracker (const char *type, OperationActor *operationActor)
	Constructor with needed arguments.
virtual bool	ExecuteAction (Action *action, mitk::StateEvent const *stateEvent)
	executes the actions that are sent to this statemachine derived from StateMachine

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Detailed Description

Interactor for Mouse Tracking.

Tracks a Point from an input device (usaly mouse pointer)

Definition at line 35 of file mitkPositionTracker.h.

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Member Typedef Documentation

typedef itk::SmartPointer<const Self> mitk::PositionTracker::ConstPointer

Reimplemented from mitk::StateMachine.

Definition at line 38 of file mitkPositionTracker.h.

typedef itk::SmartPointer<Self> mitk::PositionTracker::Pointer

Reimplemented from mitk::StateMachine.

Definition at line 38 of file mitkPositionTracker.h.

typedef PositionTracker mitk::PositionTracker::Self

Reimplemented from mitk::StateMachine.

Definition at line 38 of file mitkPositionTracker.h.

typedef StateMachine mitk::PositionTracker::Superclass

Reimplemented from mitk::StateMachine.

Definition at line 38 of file mitkPositionTracker.h.

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Constructor & Destructor Documentation

mitk::PositionTracker::PositionTracker	(	const char *	type,
		mitk::OperationActor *	operationActor
	)		[protected]

Constructor with needed arguments.

Parameters:

type,:	string, that describes the StateMachine-Scheme to take from all SM (see XML-File)
operationActor,:	the Data, operations (+ points) are send to

Definition at line 34 of file mitkPositionTracker.cpp.

: mitk::StateMachine(type)
{}

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Member Function Documentation

bool mitk::PositionTracker::ExecuteAction	(	Action *	action,
		mitk::StateEvent const *	stateEvent
	)		[protected, virtual]

executes the actions that are sent to this statemachine derived from StateMachine

Reimplemented from mitk::StateMachine.

Definition at line 39 of file mitkPositionTracker.cpp.

References mitk::BaseRenderer::GetDataStorage(), mitk::StateEvent::GetEvent(), mitk::RenderingManager::GetInstance(), mitk::BaseRenderer::GetMapperID(), mitk::DataStorage::GetNode(), mitk::PointSet::GetPointSet(), mitk::Event::GetSender(), mitk::DisplayPositionEvent::GetWorldPosition(), mitk::BoolProperty::New(), mitk::NodePredicateProperty::New(), mitk::RenderingManager::RequestUpdateAll(), and mitk::DataNode::SetIntProperty().

{
  bool ok = false;
  const DisplayPositionEvent* displayPositionEvent = dynamic_cast<const DisplayPositionEvent*>(stateEvent->GetEvent());

  mitk::DataNode::Pointer  dtnode;
  mitk::DataStorage* ds = NULL;
  if (displayPositionEvent == NULL)
    return false;

  if (stateEvent->GetEvent()->GetSender()!=NULL)
  {
    ds = stateEvent->GetEvent()->GetSender()->GetDataStorage();
  }
  else
  {
    itkWarningMacro(<<"StateEvent::GetSender()==NULL - setting timeInMS to 0");
    return false;
  }
  if (ds == NULL) 
    return false;

  // looking for desired point set
  dtnode = ds->GetNode(mitk::NodePredicateProperty::New("inputdevice", mitk::BoolProperty::New(true)));
  if (dtnode.IsNull())
    return false;

  dtnode->SetIntProperty("BaseRendererMapperID", stateEvent->GetEvent()->GetSender()->GetMapperID());
  mitk::PointSet* ps = dynamic_cast<mitk::PointSet*>(dtnode->GetData());
  if (ps == NULL)
    return false;

  int position = 0;
  if( ps->GetPointSet()->GetPoints()->IndexExists( position )) //first element
  {
    ps->GetPointSet()->GetPoints()->SetElement( position, displayPositionEvent->GetWorldPosition());                            
  }
  else
  {
    mitk::PointSet::PointDataType pointData = {position , false /*selected*/, mitk::PTUNDEFINED};
    ps->GetPointSet()->GetPointData()->InsertElement(position, pointData);
    ps->GetPointSet()->GetPoints()->InsertElement(position, displayPositionEvent->GetWorldPosition());
  }
  ps->Modified();
  mitk::RenderingManager::GetInstance()->RequestUpdateAll();
  return ok;
}

virtual const char* mitk::PositionTracker::GetClassName

(

)

const [virtual]

Reimplemented from mitk::StateMachine.

static Pointer mitk::PositionTracker::New	(	const char *	_arga,
		OperationActor *	_argb
	)		[inline, static]

Definition at line 39 of file mitkPositionTracker.h.

Referenced by QmitkStdMultiWidget::EnablePositionTracking().

:
    //##Documentation

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The documentation for this class was generated from the following files:

• mitkPositionTracker.h
• mitkPositionTracker.cpp