+ //iv.unite (heights.back ());
+ // look for cross staff effects
+ vector<Real> coords;
+ Grob *common = common_refpoint_of_array (my_stems, me, Y_AXIS);
+ Real min_pos = infinity_f;
+ Real max_pos = -infinity_f;
+ for (vsize i = 0; i < my_stems.size (); i++)
+ {
+ coords.push_back (my_stems[i]->pure_relative_y_coordinate (common, 0, INT_MAX));
+ min_pos = min (min_pos, coords[i]);
+ max_pos = max (max_pos, coords[i]);
+ }
+ for (vsize i = 0; i < heights.size (); i++)
+ {
+ heights[i][dir] += dir == DOWN
+ ? coords[i] - max_pos
+ : coords[i] - min_pos;
+ }
+
+ for (vsize i = 0; i < heights.size (); i++) iv.unite (heights[i]);
+