i added the code to recenter the map to the code for opening the modal window to to fix the issue:
$('#findModal').on('shown.bs.modal', function () {
api.rasPause(),
window.setTimeout('google.maps.event.trigger(map1,\'resize\');wagmp_map_1_obj.obj.setCenter(wagmp_map_1_obj.points[0])',30);
});