Gets and sets the normal of the plane.
# Get the value of the property.propertyValue = plane_var.normal# Set the value of the property.plane_var.normal = propertyValue
#include <Core/Geometry/Plane.h>// Get the value of the property.Ptr<Vector3D> propertyValue = plane_var->normal();// Set the value of the property, where value_var is a Vector3D.bool returnValue = plane_var->normal(value_var);