From 9c614db35a13a7ed7f0d745290d7d37ecf604717 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@openmoko.org>
Date: Fri, 24 Sep 2010 18:16:10 -0300
Subject: [PATCH] Bottom face was flipped in overlap.

- solidify/overlap.c (draw_map): flip x-axis of bottom face (and remove
  comment suggesting to flip the y axis. The x-axis is better, since this
  is often how things are scanned.)
---
 solidify/overlap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/solidify/overlap.c b/solidify/overlap.c
index 572495c..a8c7805 100644
--- a/solidify/overlap.c
+++ b/solidify/overlap.c
@@ -245,7 +245,7 @@ static void draw_map(GtkWidget *widget, struct solid *s)
 		.b = { 0, 0 },
 	};
 	struct matrix mb = {
-		.a = { { 1, 0 }, { 0, 1 } },	/* @@@ why not a[1][1] = -1 ? */
+		.a = { { -1, 0 }, { 0, 1 } },
 		.b = { 0, 0 },
 	};