+ ideal = min_dist + options->get_duration_space (dt.main_part_);
+ }
+ return Spring (ideal, min_dist);
+}
+
+Moment *
+get_measure_length (Grob *column)
+{
+ Grob * sys = column->get_parent (X_AXIS);
+
+ extract_grob_set (sys, "columns", cols);
+
+ vsize col_idx = Paper_column::get_rank (column);
+
+ do
+ {
+ if (Moment *len = unsmob_moment (cols[col_idx]->get_property ("measure-length")))