for (int i=0; i<numFields; i++)
{
Field field = fieldList.getField(i);
FieldInfo info = new FieldInfo(field, track.hasData(field));
_model.addFieldInfo(info, i);
}
for (int i=0; i<numFields; i++)
{
Field field = fieldList.getField(i);
FieldInfo info = new FieldInfo(field, track.hasData(field));
_model.addFieldInfo(info, i);
}