static mitk::DataNode::Pointer GetTopLayerNode(const mitk::DataStorage::SetOfObjects::ConstPointer nodes, const mitk::Point3D &position, mitk::BaseRenderer* renderer)
{
mitk::DataNode::Pointer node;
int maxlayer = -32768;
if(nodes.IsNotNull())
{
// find node with largest layer, that is the node shown on top in the render window
for (unsigned int x = 0; x < nodes->size(); x++)
{
if ( (nodes->at(x)->GetData()->GetGeometry() != nullptr) &&
nodes->at(x)->GetData()->GetGeometry()->IsInside(position) )
{
int layer = 0;
if(!(nodes->at(x)->GetIntProperty("layer", layer))) continue;
if(layer > maxlayer)
{
if( static_cast<mitk::DataNode::Pointer>(nodes->at(x))->IsVisible(renderer) )
{
node = nodes->at(x);
maxlayer = layer;
}
}
}
}
}
return node;
}
mitk::DataNode::Pointer SliceNavigationController::GetTopLayerNode(mitk::DataStorage::SetOfObjects::ConstPointer nodes,mitk::Point3D worldposition)
{
mitk::DataNode::Pointer node;
int maxlayer = -32768;
bool isHelper (false);
if(nodes.IsNotNull())
{
for (unsigned int x = 0; x < nodes->size(); x++)
{
nodes->at(x)->GetBoolProperty("helper object", isHelper);
if(nodes->at(x)->GetData()->GetGeometry()->IsInside(worldposition) && isHelper == false)
{
int layer = 0;
if(!(nodes->at(x)->GetIntProperty("layer", layer))) continue;
if(layer > maxlayer)
{
if(static_cast<mitk::DataNode::Pointer>(nodes->at(x))->IsVisible(m_Renderer))
{
node = nodes->at(x);
maxlayer = layer;
}
}
}
}
}
return node;
}