3 files changed, 86 insertions, 0 deletions
diff --git a/figs/diamonds.fig/Makefile b/figs/diamonds.fig/Makefile
new file mode 100644
index 0000000..42b4031
--- /dev/null
+++ b/figs/diamonds.fig/Makefile
@@ -0,0 +1,20 @@
+all: diamonds
+
+diamonds:
+	python diamonds.py > diamonds.tikz.tex
+	cat diamonds.tikz.tex | sed 's/%1%/red/g;s/%2%/blue/g' > diamonds_color.tikz.tex
+	sed -i 's/%1%/teal/g;s/%2%/teal/g' diamonds.tikz.tex
+	pdflatex -jobname diamonds diamonds.tikz.tex
+	pdflatex -jobname diamonds_color diamonds_color.tikz.tex
+
+clean-aux:
+	rm -f diamonds.tikz.tex
+	rm -f diamonds.log
+	rm -f diamonds.aux
+	rm -f diamonds_color.tikz.tex
+	rm -f diamonds_color.log
+	rm -f diamonds_color.aux
+
+clean: clean-aux
+	rm -f diamonds.pdf
+	rm -f diamonds_color.pdf
diff --git a/figs/diamonds.fig/diamonds.py b/figs/diamonds.fig/diamonds.py
new file mode 100644
index 0000000..2bc4d9c
--- /dev/null
+++ b/figs/diamonds.fig/diamonds.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+
+from math import *
+import random
+
+# size of space (must be int)
+L=30
+# number of particles
+N=int(L*L/2*0.97)
+
+# check whether two diamonds overlap
+def check_overlap(x1,x2):
+    if(sqrt((x1[0]-x2[0])**2+(x1[1]-x2[1])**2)<=1):
+        return(True)
+    return(False)
+
+# configuration
+config=[]
+
+# put particles on odd lattice manually
+for i in range(4):
+    for j in range(4):
+        if (i!=2 or j!=1):
+            config.append([2*int(L/2/2)+1+i+j,2*int(L/2/2)+i-j])
+
+# add particles
+while len(config)<N:
+    # random position
+    # even sublattice
+    if(random.random()<0.5):
+        x=[2*random.randint(0,int(L/2)), 2*random.randint(0,int(L/2))]
+    else:
+        x=[2*random.randint(0,int(L/2))+1, 2*random.randint(0,int(L/2))+1]
+    # check it does not interfere with other particles
+    fine=True
+    for part in config:
+        if(check_overlap(part,x)):
+            fine=False
+            break
+    if fine:
+        config.append(x)
+
+print(r'''\documentclass{standalone}
+\usepackage{tikz}
+\usepackage{shapes}
+
+\begin{document}
+\begin{tikzpicture}
+\grid{'''+str(L+3)+'}{'+str(L+3)+'''}{(-1,-1)}
+''')
+
+for i in range(len(config)):
+    part=config[i]
+    # different colors for even and odd
+    if i<15:
+        # replace %1% later
+        print(r'\diamond{%1%}{('+str(part[0])+','+str(part[1])+')}')
+    else:
+        # replace %2% later
+        print(r'\diamond{%2%}{('+str(part[0])+','+str(part[1])+')}')
+
+print(r'''
+\end{tikzpicture}
+\end{document}
+''')
diff --git a/figs/diamonds.fig/shapes.sty b/figs/diamonds.fig/shapes.sty
new file mode 120000
index 0000000..2607bef
--- /dev/null
+++ b/figs/diamonds.fig/shapes.sty
@@ -0,0 +1 @@
+../libs/shapes.sty
+\ No newline at end of file