diff --git a/funcs/vroum.sh b/funcs/vroum.sh
new file mode 100755
index 0000000..de3f91d
--- /dev/null
+++ b/funcs/vroum.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+
+src=foo.fimg
+maxi=90
+
+grabvidseq -s 640x480 -vv -p 0 -n 2000 -c cos01 -o $src
+
+for foo in $(seq 0 $maxi)
+do
+
+	fval=$(echo "$foo / $maxi" | bc -l)
+	./t -k $fval -v classif $src
+
+	echo $foo $fval
+
+	nom=$(printf "v_%03d.pnm" $foo)
+	cp out.pnm $nom
+
+	echo $nom
+
+done
+
+convert -delay 10 v_*.pnm foo.gif
diff --git a/tools/fimgfx.c b/tools/fimgfx.c
index 66027d3..976f546 100644
--- a/tools/fimgfx.c
+++ b/tools/fimgfx.c
@@ -77,7 +77,7 @@ if (foo) {
 	return -98;
 	}
 
-foo = fimg_classif_trial(S, D, 0);
+foo = fimg_classif_trial(S, D, kf, 0);
 if (foo) {
 	fprintf(stderr, "%s err %d classif_trial %p\n", __func__,
 				foo, 		S);