From 59c892e6d233c7c5394005c23837e19756984cb3 Mon Sep 17 00:00:00 2001
From: Fabrice Mouhartem <fabrice.mouhartem@ens-lyon.org>
Date: Fri, 2 Feb 2018 16:07:17 +0100
Subject: [PATCH] Lattice figure

---
 fig-lattice-base.tex | 23 +++++++++++++++++++++++
 sec-lattices.tex     | 24 +-----------------------
 2 files changed, 24 insertions(+), 23 deletions(-)
 create mode 100644 fig-lattice-base.tex

diff --git a/fig-lattice-base.tex b/fig-lattice-base.tex
new file mode 100644
index 0000000..3cfe038
--- /dev/null
+++ b/fig-lattice-base.tex
@@ -0,0 +1,23 @@
+\begin{tikzpicture}
+                         %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+                         % Comment or uncomment crop %
+                         %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  \clip[use as bounding box]
+  %\draw[thick, black]
+  (2,3) rectangle (10,8);
+  \foreach \i in {0,1,...,20} {
+    \foreach \j in {0,1,..., 10} {
+      \draw[fill=black] (.2*\j + .5*\i, \j + .1*\i) circle (1pt) coordinate (v-\i-\j);
+    }
+  }
+  \draw[very thick, green!80!black, ->] (v-9-4) -- (v-8-4);
+  \draw[very thick, green!80!black, ->] (v-9-4) -- (v-9-5);
+  \draw[very thick, red!80!black, ->] (v-9-4)   -- (v-19-2);
+  \draw[very thick, red!80!black, ->] (v-9-4)   -- (v-18-2);
+  \foreach \i in {0,1,...,10} {
+    \draw[dotted, color=black!70] (v-0-\i) -- (v-20-\i);
+  }
+  \foreach \i in {0,1,...,20} {
+    \draw[dotted, color=black!70] (v-\i-0) -- (v-\i-10);
+  }
+\end{tikzpicture}
diff --git a/sec-lattices.tex b/sec-lattices.tex
index 3100e2a..b43a4c3 100644
--- a/sec-lattices.tex
+++ b/sec-lattices.tex
@@ -13,29 +13,7 @@ Worst-case lattice problems have been extensively studied in the last past years
 
 \begin{figure}
   \centering
-  \begin{tikzpicture}
-                         %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-                         % Comment or uncomment crop %
-                         %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-    \clip[use as bounding box]
-    %\draw[thick, black]
-    (2,3) rectangle (10,8);
-    \foreach \i in {0,1,...,20} {
-      \foreach \j in {0,1,..., 10} {
-        \draw[fill=black] (.2*\j + .5*\i, \j + .1*\i) circle (1pt) coordinate (v-\i-\j);
-      }
-    }
-    \draw[very thick, green!80!black, ->] (v-9-4) -- (v-8-4);
-    \draw[very thick, green!80!black, ->] (v-9-4) -- (v-9-5);
-    \draw[very thick, red!80!black, ->] (v-9-4)   -- (v-19-2);
-    \draw[very thick, red!80!black, ->] (v-9-4)   -- (v-18-2);
-    \foreach \i in {0,1,...,10} {
-      \draw[dotted, color=black!70] (v-0-\i) -- (v-20-\i);
-    }
-    \foreach \i in {0,1,...,20} {
-      \draw[dotted, color=black!70] (v-\i-0) -- (v-\i-10);
-    }
-  \end{tikzpicture}
+  \input fig-lattice-base
   \caption{A lattice $\Lambda$ with two different basis.}
   \label{fig:lattice-basis}
 \end{figure}