Gets and sets the radius of the arc.
# Get the value of the property.propertyValue = arc2D_var.radius# Set the value of the property.arc2D_var.radius = propertyValue
#include <Core/Geometry/Arc2D.h>// Get the value of the property.double propertyValue = arc2D_var->radius();// Set the value of the property, where value_var is a double.bool returnValue = arc2D_var->radius(value_var);