Description of dialogue Calculation of coordinates (linear resection or method of distances)

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Building parameters of point Т3  group is intended for input of distance from points of basis up to created picket. The picket point can be at the left or to the right of basis of building, therefore by means of the dropping-down list it is necessary to set a type of an angle - left or right.  

At filling of Name of built point  field the specified information is placed into semantics of created point object.  

Put a tick into an element Do you want to save line?  for creation of the linear object connecting points of basis with picket point.  

The second group displays coordinates of points, length and a direction angle of base of building. Point Т1  and Point Т2  fields contain coordinates of points of a base line (reference line), and Point Т3  field - coordinates of picket. Coordinates of picket are calculated automatically at filling fields: Distance up to point  (Building parameters of point Т3  group).  

Current map  group is intended for a choice of an electronic map on which the objects will be created. The edited map can be chosen from the list of the open maps, or by means of the button «…» to add an existing user map.  

Object type  group is intended for a choice of a conventional symbol from the classifier of an edited map for created point and linear objects.  

To map  button is intended for creation on an edited map of a picket point and the lines connecting points of basis with a picket point (if the tick in an element is put Do you want to save line?  in Building parameters of point Т3  group). The button becomes accessible after input of initial data and automatic calculation of coordinates of picket.  

Back  button is intended for a cancelling of operation on creation of objects on an edited map.  

For copying into the clipboard of value of an angle it is necessary on any of fields of corresponding components: Direction angle  to cause the contextual menu by the right button of the mouse and to choose a line Copy angle . Value of an angle will be copied into the clipboard in a format: degrees minute second, through blanks.