BBTK_INPUT(VectorsVisu,ScaleFactor,"Scale factor (500 default)",double,"");
BBTK_INPUT(VectorsVisu,Opacity,"Opacity (1 default)",double,"");
BBTK_INPUT(VectorsVisu,Renderer,"vtkRenderer",vtkRenderer*,"");
BBTK_INPUT(VectorsVisu,ScaleFactor,"Scale factor (500 default)",double,"");
BBTK_INPUT(VectorsVisu,Opacity,"Opacity (1 default)",double,"");
BBTK_INPUT(VectorsVisu,Renderer,"vtkRenderer",vtkRenderer*,"");