+ // check map is between identical single contiguous ranges
+ List<int[]> fromRanges = map.getMap().getFromRanges();
+ List<int[]> toRanges = map.getMap().getToRanges();
+ if (fromRanges.size() != 1 || toRanges.size() != 1)
+ {
+ return false;
+ }
+ if (fromRanges.get(0)[0] != toRanges.get(0)[0]
+ || fromRanges.get(0)[1] != toRanges.get(0)[1])
+ {
+ return false;
+ }