Partial base model for road position. Extend this model appropriately to define final user model.
partial function positionBase extends Modelica.Icons.Function; input Real s = 0 "Roads surface parameter 1 (usually arc length along road)"; input Real w = 0 "Roads surface parameter 2 (usually lateral direction)"; output SI.Position r_0[3] = zeros(3) "Position vector from world frame to point on road at (s,w), resolved in world frame"; end positionBase;