diff --git a/viz/curses/t.c b/viz/curses/t.c
index 1aec788..277fdb4 100644
--- a/viz/curses/t.c
+++ b/viz/curses/t.c
@@ -10,6 +10,34 @@
 
 int	verbosity;
 
+/* ---------------------------------------------------------------- */
+void demo_vumetres(int nbl, int notused)
+{
+int		loop, idx;
+int		hpos;
+char		ligne[100];
+float		value;
+
+for (loop=0; loop<nbl; loop++) {
+
+	value = (float)loop / (float)nbl;
+
+	for (idx=0; idx<4; idx++) {
+
+		hpos = 5 * (idx+1);
+
+		sprintf(ligne, "%6.3f", value);
+		mvwaddstr(stdscr, hpos, 2, ligne);
+		
+		vumetre_0(stdscr, hpos, 12, value, 60);
+
+		}
+	
+	refresh();
+	usleep(200*1000);
+	}
+
+}
 /* ---------------------------------------------------------------- */
 void demo_waterfall(int nbl, int k)
 {
@@ -61,15 +89,17 @@ endwin();       exit(0);
 int main (int argc, char *argv[])
 {
 int		opt;
+int		demonum = 0;
 
 /* set some default values */
 verbosity	= 0;
 
-
-while ((opt = getopt(argc, argv, "v")) != -1) {
+while ((opt = getopt(argc, argv, "vy:")) != -1) {
 	switch (opt) {
 		case 'v':	verbosity++;		break;
 
+		case 'y':	demonum = atoi(optarg);	break;		
+
 		default:
 			fprintf(stderr, "%s : uh ?", argv[0]);
 			exit(1);
@@ -78,7 +108,6 @@ while ((opt = getopt(argc, argv, "v")) != -1) {
 
 	}
 
-
 initscr();
 nonl();         cbreak();       noecho();
 
@@ -86,7 +115,10 @@ keypad(stdscr, TRUE);           /* acces aux touches 'curseur' */
 
 fond_ecran(" Demonstrator ");
 
-demo_waterfall(190000, 0);
+switch (demonum) {
+	case 0:		demo_vumetres(666, 0);		break;
+	case 1:		demo_waterfall(666, 0);		break;
+	}
 
 /*
  *      plop, on a fini, restaurer la console
diff --git a/viz/curses/vumetre.c b/viz/curses/vumetre.c
index 6382029..d6975da 100644
--- a/viz/curses/vumetre.c
+++ b/viz/curses/vumetre.c
@@ -17,19 +17,25 @@ int	verbosity;
 /* ---------------------------------------------------------------- */
 int vumetre_0(WINDOW *win, int lig, int col, float val, int larg)
 {
-int		foo;
+int		foo, posc;
 
 #if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( %p %d %d %f %d )\n",
 		__func__, win, lig, col, val, larg);
 #endif
 
-for (foo=0; foo<larg; foo++) {
-	mvwaddch(win, lig-1, col+foo, '*');
-	wrefresh(win);
-	}
+posc = (int)(val * (float)larg);
 
-return -1;
+for (foo=0; foo<larg; foo++) {
+	mvwaddch(win, lig, col+foo, "-*"[foo < posc]);
+	if (foo & 1) {
+		mvwaddch(win, lig-1, col+foo, '\\');
+		mvwaddch(win, lig+1, col+foo, '/');
+		}
+	}
+wrefresh(win);
+
+return 0;
 }
 /* ---------------------------------------------------------------- */
 /* ---------------------------------------------------------------- */