int mitk::PointSetDataInteractor::GetPointIndexByPosition(Point3D position, unsigned int time, float accuracy)
{
// iterate over point set and check if it contains a point close enough to the pointer to be selected
PointSet* points = dynamic_cast<PointSet*>(GetDataNode()->GetData());
int index = -1;
if (points == NULL)
{
return index;
}
if (points->GetPointSet(time) == nullptr)
return -1;
PointSet::PointsContainer* pointsContainer = points->GetPointSet(time)->GetPoints();
float minDistance = m_SelectionAccuracy;
if (accuracy != -1 )
minDistance = accuracy;
for (PointSet::PointsIterator it = pointsContainer->Begin(); it != pointsContainer->End(); it++)
{
float distance = sqrt(position.SquaredEuclideanDistanceTo(points->GetPoint(it->Index(), time)));
if (distance < minDistance) // if several points fall within the margin, choose the one with minimal distance to position
{
index = it->Index();
}
}
return index;
}
bool mitk::PointSetDataInteractor::MoveSet(StateMachineAction*, InteractionEvent* interactionEvent)
{
InteractionPositionEvent* positionEvent = dynamic_cast<InteractionPositionEvent*>(interactionEvent);
if (positionEvent != NULL)
{
int timeStep = positionEvent->GetSender()->GetTimeStep();
// Vector that represents movement relative to last position
Point3D movementVector;
movementVector[0] = positionEvent->GetPositionInWorld()[0] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[0];
movementVector[1] = positionEvent->GetPositionInWorld()[1] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[1];
movementVector[2] = positionEvent->GetPositionInWorld()[2] - m_PointSet->GetPoint(m_SelectedPointIndex, timeStep)[2];
PointSet* points = dynamic_cast<PointSet*>(GetDataNode()->GetData());
PointSet::PointsContainer* pointsContainer = points->GetPointSet(timeStep)->GetPoints();
// Iterate over point set and update each point
Point3D newPoint;
for (PointSet::PointsIterator it = pointsContainer->Begin(); it != pointsContainer->End(); it++)
{
newPoint[0] = m_PointSet->GetPoint(it->Index(), timeStep)[0] + movementVector[0];
newPoint[1] = m_PointSet->GetPoint(it->Index(), timeStep)[1] + movementVector[1];
newPoint[2] = m_PointSet->GetPoint(it->Index(), timeStep)[2] + movementVector[2];
m_PointSet->SetPoint(it->Index(), newPoint, timeStep);
}
GetDataNode()->SetData(m_PointSet);
GetDataNode()->Modified();
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
return true;
}
else
{
return false;
}
}
int mitk::PointSetDataInteractor::GetPointIndexByPosition(Point3D position, int time)
{
// iterate over point set and check if it contains a point close enough to the pointer to be selected
PointSet* points = dynamic_cast<PointSet*>(GetDataNode()->GetData());
int index = -1;
if (points == NULL)
{
return index;
}
PointSet::PointsContainer* pointsContainer = points->GetPointSet(time)->GetPoints();
float minDistance = m_SelectionAccuracy;
for (PointSet::PointsIterator it = pointsContainer->Begin(); it != pointsContainer->End(); it++)
{
float distance = sqrt(position.SquaredEuclideanDistanceTo(points->GetPoint(it->Index(), time))); // TODO: support time!
if (distance < minDistance) // if several points fall within the margin, choose the one with minimal distance to position
{ // TODO: does this make sense, which unit is it?
index = it->Index();
}
}
return index;
}