Atlas Boundary (BNA) Examples

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

 

Examples of the Format for Different Objects

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

Atlas Boundary File Description

Atlas Boundary File Export Options Dialog