files for CSA03

CSA03/data60.txt

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CSA03/hull.py

+import sys
+import numpy as np
+import matplotlib.pyplot as plt
+
+# the name of the data, hull, and output files are command line arguments
+if (len(sys.argv) < 4):
+    print ("Command Usage: python3",sys.argv[0],"datafile","hullfile","outfile")
+    exit(1)
+datafile = sys.argv[1]
+hullfile = sys.argv[2]
+outfile = sys.argv[3]
+
+# read the data file
+data = np.loadtxt(datafile)
+
+# read the edge list
+edges = np.loadtxt(hullfile,dtype='int')
+
+# plot the data
+plt.gca().set_aspect('equal')
+plt.scatter(data[:,0],data[:,1],s=10,color='black')
+
+# plot the edges
+num_edges = len(edges)
+for edge in edges:
+    p1 = data[edge[0]]
+    p2 = data[edge[1]]
+    plt.plot([p1[0],p2[0]],[p1[1],p2[1]],color='red')
+
+# save the plot as an image
+plt.savefig(outfile)

CSA03/hull60.key

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CSA03/tri.py

+import sys
+import numpy as np
+import matplotlib.pyplot as plt
+
+# the name of the data, tri, and output files are command line arguments
+if (len(sys.argv) < 4):
+    print ("Command Usage: python3",sys.argv[0],"datafile","trifile","outfile")
+    exit(1)
+datafile = sys.argv[1]
+trifile = sys.argv[2]
+outfile = sys.argv[3]
+
+# read the data file
+data = np.loadtxt(datafile)
+
+# read the triangle list
+triangles = np.loadtxt(trifile,dtype='int')
+
+# plot the data
+plt.gca().set_aspect('equal')
+plt.scatter(data[:,0],data[:,1],s=10,color='black')
+
+# plot the triangles 
+for triangle in triangles:
+    p1 = data[triangle[0]]
+    p2 = data[triangle[1]]
+    p3 = data[triangle[2]]
+    plt.plot([p1[0],p2[0],p3[0],p1[0]],[p1[1],p2[1],p3[1],p1[1]],linewidth=1,color='red')
+
+# save the plot as an image
+plt.savefig(outfile)

CSA03/tri60.key

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