3 files changed, 103 insertions, 0 deletions
diff --git a/figs/ising.fig/Makefile b/figs/ising.fig/Makefile
new file mode 100644
index 0000000..eeff491
--- /dev/null
+++ b/figs/ising.fig/Makefile
@@ -0,0 +1,38 @@
+PROJECTNAME=ising ising_blue ising_red transfer1 transfer2
+LIBS=$(notdir $(wildcard libs/*))
+
+PDFS=$(addsuffix .pdf, $(PROJECTNAME))
+SOURCES=$(addsuffix .tikz.tex, $(PROJECTNAME))
+
+all: $(PDFS)
+
+$(PDFS): $(SOURCES) $(LIBS)
+	echo $(LIBS)
+	pdflatex -jobname $(basename $@) -file-line-error $(patsubst %.pdf, %.tikz.tex, $@)
+
+$(SOURCES):
+	python3 ising.py
+
+install: $(PDFS)
+	cp $^ $(INSTALLDIR)/
+
+install-sources: $(SOURCES)
+	cp $^ $(INSTALLDIR)/
+
+$(LIBS):
+	ln -fs libs/$@ ./
+
+clean-libs:
+	rm -f $(LIBS)
+
+clean-aux:
+	rm -f $(addsuffix .aux, $(PROJECTNAME))
+	rm -f $(addsuffix .log, $(PROJECTNAME))
+
+clean-tex:
+	rm -f $(PDFS)
+
+clean-sources:
+	rm -f $(SOURCES)
+
+clean: clean-libs clean-aux clean-tex clean-sources
diff --git a/figs/ising.fig/ising.py b/figs/ising.fig/ising.py
new file mode 100644
index 0000000..8dd1447
--- /dev/null
+++ b/figs/ising.fig/ising.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+
+import random
+from math import *
+
+# size of the grid
+L=8
+
+# draw spins, probability of reds: p, only fill up to H
+def draw_spins(p, H, file_desc):
+    for i in range(L):
+        for j in range(H):
+            if(random.random()<p):
+                print("\\fill[color=red]("+str(i)+","+str(j)+")circle(0.2);", file=file_desc);
+            else:
+                print("\\fill[color=blue]("+str(i)+","+str(j)+")circle(0.2);", file=file_desc);
+            print("\\draw("+str(i)+","+str(j)+")circle(0.2);", file=file_desc);
+
+# init tikz file
+def init_tikz(filename):
+    file_desc=open(filename,"w")
+    print("\\documentclass{standalone}\n\n\\usepackage{tikz}\n\\usepackage{ising}\n\\usetikzlibrary{decorations.pathmorphing}\n\n\\begin{document}\n\\begin{tikzpicture}\n\n", file=file_desc)
+    return(file_desc)
+
+# close tikz file
+def close_tikz(file_desc):
+    print("\\end{tikzpicture}\n\\end{document}", file=file_desc)
+    file_desc.close()
+
+
+# files
+
+ising=init_tikz("ising.tikz.tex")
+print("\\grid{"+str(L-1)+"}{"+str(L-1)+"}{(0,0)}\n", file=ising)
+draw_spins(0.5,L,ising)
+close_tikz(ising)
+
+ising_blue=init_tikz("ising_blue.tikz.tex")
+print("\\grid{"+str(L-1)+"}{"+str(L-1)+"}{(0,0)}\n", file=ising_blue)
+draw_spins(0.1,L,ising_blue)
+close_tikz(ising_blue)
+
+ising_red=init_tikz("ising_red.tikz.tex")
+print("\\grid{"+str(L-1)+"}{"+str(L-1)+"}{(0,0)}\n", file=ising_red)
+draw_spins(0.9,L,ising_red)
+close_tikz(ising_red)
+
+transfer1=init_tikz("transfer1.tikz.tex")
+print("\\grid{"+str(L-1)+"}{"+str(L-1)+"}{(0,0)}\n", file=transfer1)
+draw_spins(0.5,1,transfer1)
+close_tikz(transfer1)
+
+transfer2=init_tikz("transfer2.tikz.tex")
+print("\\grid{"+str(L-1)+"}{"+str(L-1)+"}{(0,0)}\n", file=transfer2)
+draw_spins(0.5,2,transfer2)
+close_tikz(transfer2)
diff --git a/figs/ising.fig/libs/ising.sty b/figs/ising.fig/libs/ising.sty
new file mode 100644
index 0000000..2f8b2fa
--- /dev/null
+++ b/figs/ising.fig/libs/ising.sty
@@ -0,0 +1,9 @@
+% square lattice (width #1, height #2, origin #3)
+\def\grid#1#2#3{
+  \foreach\i in {0,...,#2}{
+    \draw#3++(0,\i)--++(#1,0);
+  }
+  \foreach\i in {0,...,#1}{
+    \draw#3++(\i,0)--++(0,#2);
+  }
+}