Converts the i- or j-index of a leaf cell to the minimum corresponding s- or t-value contained by that cell. The argument must be in the range [0..2**30]. i.e. up to one position beyond the normal range of valid leaf cell indices.
Converts the i- or j-index of a leaf cell to the minimum corresponding s- or t-value contained by that cell. The argument must be in the range [0..2**30]. i.e. up to one position beyond the normal range of valid leaf cell indices.