How to display the planned path？

[scut_whg]

How to display the planned path？Just like the black curve in the picture showd bellow?

[fferri]

It can be done at least in two ways:

• by creating a path object (check sim.createPath and sim.insertPathCtrlPoints);
• by creating a drawing object, with sim.addDrawingObject and sim.addDrawingObjectItem.