From aea87ffd1e19553eca72148f32de3dd914c1be96 Mon Sep 17 00:00:00 2001
From: Ian Jauslin <jauslin@ias.edu>
Date: Thu, 11 Oct 2018 17:56:55 +0000
Subject: As presented at Yale University on 2018-10-11

---
 figs/atoms.fig/gas.py | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 figs/atoms.fig/gas.py

(limited to 'figs/atoms.fig/gas.py')

diff --git a/figs/atoms.fig/gas.py b/figs/atoms.fig/gas.py
new file mode 100644
index 0000000..8685999
--- /dev/null
+++ b/figs/atoms.fig/gas.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from math import *
+import random
+
+# size of space
+L=15
+# number of particles
+N=10
+
+# check whether two rods overlap
+def check_overlap(sphere1,sphere2):
+    if(sqrt((sphere2[0]-sphere1[0])**2+(sphere2[1]-sphere1[1])**2+(sphere2[2]-sphere1[2])**2)<2):
+        return(True)
+    return(False)
+
+# configuration
+config=[]
+# add spheres
+while len(config)<N:
+    # random position
+    x=[random.uniform(0,L), random.uniform(0,L), random.uniform(0,L)]
+    # check it does not interfere with other spheres
+    fine=True
+    for sphere in config:
+        if(check_overlap(sphere,x)):
+            fine=False
+            break
+    if fine:
+        config.append(x)
+
+for i in range(len(config)):
+    sphere=config[i]
+    print(str(sphere[0])+"+cos(u)*sin(v)", end=", ")
+    print(str(sphere[1])+"+sin(u)*sin(v)", end=", ")
+    print(str(sphere[2])+"+cos(v)", end="  ")
+    print("with pm3d", end="")
+    if i<len(config)-1:
+        print(", \\")
-- 
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