Crossing the polygon

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ic_0086 Crossing of polygon is made with the purpose of creation of two new objects, with an opportunity of a choice of the areas of created objects in dynamics. The crossing of polygon is spent by a line which is created in parallel to the nearest side of polygon during the moment of its choice. It is necessary for user to specify dissected polygon, to try at that to place the cursor of the manipulator "mouse" as much as possible close to that side of polygon, in parallel to which it is necessary to make a crossing. After a choice of object on the screen of the monitor a line of a crossing and the signature of two areas (S1 and S2) appear.  

Value of the areas is displayed in a line of messages of the program. Moving a line by means of "mouse" and keyboards, using thus necessary scale, it is possible to achieve the desirable sizes of new polygons. At an exit out of limits of dissected polygon the line disappears. The termination of operation is made standardly (double pressing of LMB (left mouse button), Ctrl+Enter, Ctrl + LMB). New objects (polygons) are created with a code specified in option parameters, for polygon object.