The Atlas [.BNA] file is used to store geographic information including areas, curves, and points.
Alternate BNA Format
"Pname 1", "Sname 1", type/length, x1, y1, x2, y2, x3, y3, ... xn, yn
"Pname 2", "Sname 2", type/length, x1, y1, x2, y2, x3, y3, ... xn, yn
Example 1: Polygon
This is an example of a polygon. The polygon has both a Primary and Secondary ID.
"CO","Colorado",7
-102.073,37.0033
-103.015,37.01
-103.106,37.01
-109.064,37.0033
-109.08,41.0091
-102.081,41.0157
-102.073,37.0033
Example 2: Curve
This is an example of a curve. In this example, this curve does not have a Primary or Secondary ID, although they can be assigned for curves by typing the information in the BNA file.
"","",-10
535.954,1681.83
541.209,1241.31
1166.1,1466.83
672.581,1723.87
604.268,1351.66
1260.25,1089.36
1260.25,1571.92
535.954,1792.18
132.202,1262.33
1260.25,837.565
Example 3: Point
This is an example of a point. The point has both a Primary and Secondary ID.
"Well HA-11"," Hansford Field",1
-104.351,37.847
See Also