commit 6722035170bf79409bd1d1f57dba1d2d748dfe85
Author: tom cuchta <tomcuchta@gmail.com>
Date:   Tue Jun 29 14:45:54 2021 -0400

    first commit

diff --git a/backside.pdf b/backside.pdf
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diff --git a/backside.tex b/backside.tex
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+\documentclass{article}
+\usepackage{multirow,tabularx}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\pagestyle{empty}
+\setlength\parindent{0pt}
+\usepackage[paperwidth=5in, 
+    paperheight=3.5in,
+    left=0.10in,
+    right=0.10in,
+    top=0.10in,
+    bottom=0.10in]{geometry}
+\renewcommand{\arraystretch}{1.3}
+\begin{document}
+
+%73 from KE8QZC of Fairmont, WV
+\vspace*{0.01in}
+\begin{center}
+\begin{tabular}{|l|l|l|l|l|l|l|}
+\hline
+\multicolumn{2}{|c|}{QSO with} & D / M / Y & UTC & Freq & RST & Mode \\
+\hline 
+\multicolumn{2}{|c|}{\phantom{.....}} & & & & & \\
+\hline
+\multicolumn{2}{|c|}{Rig} & \multicolumn{2}{c|}{Antenna} & Watts & QSL & Commit* \\
+\hline 
+\multicolumn{2}{|c|}{\phantom{.....}} & \multicolumn{2}{c|}{\phantom{.}} &   & PSE: $\square$ TNX: $\square$ &  \\
+\hline
+\multicolumn{5}{|c|}{QTH during contact} & \multicolumn{2}{c|}{Grid square} \\ 
+\hline 
+\multicolumn{5}{|c|}{\phantom{.}} & \multicolumn{2}{c|}{\phantom{.}} \\
+\hline
+\end{tabular} 
+\end{center}
+\vfill
+{\small *the front of this QSL card is unique to your callsign -- see the webpage \\ \texttt{https://github.com/tomcuchta/hypergeometricqsl} for an explanation!}
+\end{document}
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diff --git a/frontside.png b/frontside.png
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diff --git a/frontsidegenerator.py b/frontsidegenerator.py
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+++ b/frontsidegenerator.py
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+# -*- coding: utf-8 -*-
+"""
+Spyder Editor
+
+This is a temporary script file.
+"""
+
+
+
+from mpmath import *
+import matplotlib.pyplot as plt
+from matplotlib.patches import Rectangle
+from pylab import rcParams
+rcParams['figure.figsize'] = (7.10,5.10)
+
+
+from matplotlib import rc
+#rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
+## for Palatino and other serif fonts use:
+#rc('font',**{'family':'serif','serif':['Palatino']})
+#rc('text', usetex=True)
+
+
+callsign="AA1PB"
+
+def alphabetposition(c):
+    if(c=="A"):
+        return 6.5
+    if(c=="B"):
+        return 6
+    if(c=="C"):
+        return 5.5
+    if(c=="D"):
+        return 5
+    if(c=="E"):
+        return 4.5
+    if(c=="F"):
+        return 4
+    if(c=="G"):
+        return 3.5
+    if(c=="H"):
+        return 3
+    if(c=="I"):
+        return 2.5
+    if(c=="J"):
+        return 2
+    if(c=="K"):
+        return 1.5
+    if(c=="L"):
+        return 1
+    if(c=="M"):
+        return 0.5
+    if(c=="N"):
+        return 0.5
+    if(c=="O"):
+        return 1
+    if(c=="P"):
+        return 1.5
+    if(c=="Q"):
+        return 2
+    if(c=="R"):
+        return 2.5
+    if(c=="S"):
+        return 3
+    if(c=="T"):
+        return 3.5
+    if(c=="U"):
+        return 4
+    if(c=="V"):
+        return 4.5
+    if(c=="W"):
+        return 5
+    if(c=="X"):
+        return 5.5
+    if(c=="Y"):
+        return 6
+    if(c=="Z"):
+        return 6.5
+    else:
+        return c      
+   
+num_csg=[int(alphabetposition(x)) for x in callsign] #callsign as list of numbers
+
+if len(callsign)==6:
+    def base_function(z):
+        return hyp2f3(num_csg[0]+1,num_csg[1]+1,num_csg[2]+1,num_csg[3]+1,num_csg[4],z**(1+abs(num_csg[5])))
+if len(callsign)==5:
+    def base_function(z):
+        return hyper([num_csg[0]+1,num_csg[1]+1],[num_csg[2]+1,num_csg[3]+1],z**(1+abs(num_csg[4])))
+if len(callsign)==4:
+    def base_function(z):
+        return hyper([num_csg[0]+1],[num_csg[1]+1,num_csg[2]+1],z**(1+abs(num_csg[3])))
+
+def plotme(z):
+    return base_function(z)/fabs(base_function(z))
+
+plt.axis('off')
+cplot(plotme,[-2.75,2.75],[-1.75,1.75],points=1000000)
+#cplot(plotme,[-5.5,5.5],[-3.5,3.5],points=400)
+
+ax=plt.gca()
+#rect = Rectangle((-2.5,1.6),1,-1,linewidth=1,edgecolor='r',facecolor='white')
+plt.text(0,1,'KE8QZC',bbox=dict(color='white', alpha=0),ha='center', va='center',fontsize=94,alpha=1)
+#ax.add_patch(rect)
+
+plt.savefig("frontside.png",bbox_inches='tight', pad_inches=0)
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