Join of stations by sequence

 It is necessary for user to select on a map the pickets which must be joint, and then to press the button of a mode.  

For marking it is possible to use standard operations of marking or to use modes from the panel «Mark pickets». The metrics of object is created from pickets by way of their physical sequence one after another, that is, points are joint in that order in which surveying of district and drawing of pickets on a map was carried out. The order of creation of the metrics is defined by numbers of pickets, from smaller to greater