construct path coordin convers object posit anchor point path percentag path offset anchor point distanc measur coordin param path fig fig repres edg us posit param item fig fig place param path percent distanc integ percentag path anchor point offset comput begin path end path param path delta delta distanc coordin space unit add comput percentag posit param absolut offset point repres xy offset anchor us posit path item placement fig edg path fig fig item fig path percent path delta point absolut offset path fig item fig item fig set anchor path percent path delta set absolut offset absolut offset 