The orignial question was:

I would like to know if it is possible to convert Mapinfo format to BNA
format (Atlas GIS format)

the structure of the BNA format is as follow:

"1","1001",1232
 248651.72,608490.13
 248649.63,608489.31
 248638.72,608490.56
 248631.11,608492.56
 248625.02,608494.81

where 
     1  = sequense number
1001 = id to merge data in (external) database (can be a label as well)
1232 = number of following x and y coordinates 
248651.72,608490.13 = pair of x and y coordinate


Summary:

*       Use Atlas GIS for conversion, it can read MAPInfo
*       Use Arc/Info or Arcview for conversion
*       Write your own program from MIF to Atlas GIS (fairly easy)

I found another solution on the web: http://www.dgt-inc.com/ast.html
the program Geomorph makes it possible to convert several GIS formats like:
MapInfo MIF/MID - MIF, ATLAS GIS Export Format - BNA, AutoCAD R12 Drawing -
DWG, AutoCAD R12 Export - DXF, ER Mapper, Vector - ERM, ESRI Generate Line -
ARC, ESRI Shapefile - SHP, ESRI Export - E00, MicroStation Drawing -
DGN,PROGIS Export Format - PXF, SDTS TVP - TVP, SDTS TNP - TNP, US Census
Tiger/Line - TGR, USGS Digital Line Graph - DLG, and XYZ Point XYZ.
A free download (10 conversions) is available. 
At least for our purpopes it seems to be a good solution.

Thanks for all your response
Bob Mijwaard
projectmanager GIS

Wolters-Noordhoff Atlas Productions
email   [EMAIL PROTECTED]

=============================
P.O Box 58
9700 MB Groningen
Netherlands
=============================

http://www.wolters.nl




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