//Find coordinate into the image
m_idType = m_VectorImage->FindPoint(coord[0],coord[1],coord[2]);
std::cout << m_idType;
//Recuperate vector of vectorFieldImage
velocity = vtkDoubleArray::SafeDownCast(m_VectorImage->GetPointData()->GetArray("velocity"));
//Find coordinate into the image
m_idType = m_VectorImage->FindPoint(coord[0],coord[1],coord[2]);
std::cout << m_idType;
//Recuperate vector of vectorFieldImage
velocity = vtkDoubleArray::SafeDownCast(m_VectorImage->GetPointData()->GetArray("velocity"));