Execute the following script in Arma2 and Arma3:
//open the map, zoom in, centre map about [1000,1000]
disableSerialization;
openMap [true, false];
waitUntil {visibleMap};
_mapDisplay = findDisplay 12;
_mapCntrl = _mapDisplay displayCtrl 51;
_mapCntrl ctrlMapAnimAdd [1, 0.1, [1000, 1000]]; //ctrlMapAnimAdd centres the control centre point, not the map screen.
ctrlMapAnimCommit _mapCntrl;
waitUntil {ctrlMapAnimDone _mapCntrl};
_centre = _mapCntrl ctrlMapScreenToWorld [0.5, 0.5];
systemChat format ["map displayCtrl is centred about point %1", _centre];
systemChat "map display is centred about [1000,1000]";