Fix bug 1046

diff --git a/lib/dotgen/dotsplines.c b/lib/dotgen/dotsplines.c
index bf25b1c727c89346536c738ffd1e5d79737139e0..d1f462ec831217e6486afa4ba274df7fde0e99ef 100644 (file)
--- a/lib/dotgen/dotsplines.c
+++ b/lib/dotgen/dotsplines.c
@@ -1065,7 +1065,6 @@ make_flat_edge(spline_info_t* sp, path * P, edge_t ** edges, int ind, int cnt)
     node_t *tn, *hn;
     edge_t fwdedge, *e;
     int j, i, stepx, stepy, vspace, r;
-    rank_t* prevr;
     int tside, hside, pn;
     point *ps;
     pathend_t tend, hend;
@@ -1098,8 +1097,12 @@ make_flat_edge(spline_info_t* sp, path * P, edge_t ** edges, int ind, int cnt)
     g = tn->graph;
     r = ND_rank(tn);
     if (r > 0) {
-       prevr = GD_rank(g) + (r-1);
-       vspace = ND_coord_i(prevr->v[0]).y - prevr->pht1 - ND_coord_i(tn).y - GD_rank(g)[r].pht2;
+       rank_t* prevr;
+       if (GD_has_labels(g) & EDGE_LABEL)
+           prevr = GD_rank(g) + (r-2);
+       else
+           prevr = GD_rank(g) + (r-1);
+       vspace = ND_coord_i(prevr->v[0]).y - prevr->ht1 - ND_coord_i(tn).y - GD_rank(g)[r].ht2;
     }
     else {
        vspace = GD_ranksep(g);