Fix color notation so colors are represented serially rather than in parallel.

diff --git a/lib/mingle/edge_bundling.c b/lib/mingle/edge_bundling.c
index fa114b504363ce457263ed7bfba38331e23b5330..49dc8e18d5bfc07792f58c2dacc7827855ccee76 100644 (file)
--- a/lib/mingle/edge_bundling.c
+++ b/lib/mingle/edge_bundling.c
@@ -329,7 +329,7 @@ void pedge_export_gv(FILE *fp, int ne, pedge *edges){
        t = edge->wgts[j]/maxwgt;
        /* interpotate between red (t = 1) to blue (t = 0) */
        r = 255*t; g = 0; b = 255*(1-t); b = 255*(1-t);
-       if (j != 0) fprintf(fp,":");
+       if (j != 0) fprintf(fp,";");
        fprint_rgb(fp, r, g, b, 85);
        fprintf(fp,",%f",len_total/len_total0);
       }