VtkPickCallback.cpp

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// ** INCLUDES **
#include "VtkPickCallback.h"
 
#include <vtkActor.h>
#include <vtkCellPicker.h>
 
#include "BaseLib/Logging.h"
 
VtkPickCallback* VtkPickCallback::New()
{
    return new VtkPickCallback();
}
 
void VtkPickCallback::Execute(vtkObject* caller,
                              unsigned long vtkNotUsed(eventId) /*eventId*/,
                              void* vtkNotUsed(callData) /*callData*/)
{
    auto* picker = static_cast<vtkCellPicker*>(caller);
    if (picker->GetCellId() < 0)
    {
        // Nothing is picked
    }
    else
    {
        vtkActor* actor = picker->GetActor();
        if (actor)
        {
            emit actorPicked(actor);
        }
 
        double* pos = picker->GetPickPosition();
        INFO("Picked cell id is: {:d}", picker->GetCellId());
        INFO("Picked position is: {:f} {:f} {:f}", pos[0], pos[1], pos[2]);
    }
}
 
VtkPickCallback::VtkPickCallback() {}