From ef15fe68ba7a74c7f7e5b2a0ac1a04e78828549f Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Wed, 15 May 2013 21:33:27 -0400
Subject: [PATCH] local_cmmds.tex: Use bending arrows in \tikzstack

Instead of stacking arrows of different widths.  The small arrow had
been hard to see with the big arrow behind it.  The bending is much
more elegant.
---
 src/local_cmmds.tex | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/local_cmmds.tex b/src/local_cmmds.tex
index 42ff83d..b1cbac3 100644
--- a/src/local_cmmds.tex
+++ b/src/local_cmmds.tex
@@ -228,7 +228,8 @@
         {
           \draw (0, 2pt) -- (1pt, -2pt);
         }
-      }
+      },
+      bend angle=5
       ]
     \tikzstyle{every node}=[text depth=0pt, rounded rectangle,
       draw=blue!50, very thick, minimum height=1.7em]
@@ -280,13 +281,13 @@
       (motor) -- (image.south);   % shaft with decoration threads
     % end motor screw
     \draw[red, <->] (pypiezo) -- (pycomedi);
-    \draw[red, <->, line width=2pt] (pycomedi) -- (daq);
+    \draw[red, <->] (pycomedi) to [bend left] (daq);
     \draw[red, ->] (daq) -- (piezo);
     \begin{pgfonlayer}{background}
       \draw[red, ->, out=180, in=90] (photodiode) to (daq.north);
     \end{pgfonlayer}
     \draw[blue, ->] (stepper) -- (pycomedi);
-    \draw[blue, ->] (pycomedi) -- (daq);
+    \draw[blue, ->] (pycomedi) to [bend right] (daq);
     \draw[blue, ->] (daq) -- (motor);
   \end{tikzpicture}
 }
-- 
2.26.2