0023914: Intersection algorithm produced too many intersection points

0023914: Intersection algorithm produced too many intersection points

Method IntWalk_PWalking::CalculateStepData(...) has been implemented in order to compute the step in parametric space.

Relation between the step of 3D intersection curve and local curvature is described in

   A Practical Algorithm for Surface/Surface Intersection.
    Ling Huang Xinxiong Zhu （School of Mechanical Engineering & Automation, Beijing University of Aeronautics & Astronautics,
    Beijing, 100083）