TEST: add dynamic test in view_integ_stats

Author: Dengda98

example/view_integ_stats/run_grt.sh

@@ -0,0 +1,3 @@
+#!/bin/bash 
+
+grt -Mhalfspace2 -D0.01/0 -N500/0.02/0.8 -OGRN -R1 -S-1

example/view_integ_stats/view_dynamic.py

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+import pygrt
+import numpy as np
+import matplotlib.pyplot as plt
+
+
+data1, data2, ptamdata, dist = pygrt.utils.read_statsfile_ptam("GRN_grtstats/halfspace2_0.01_0/PTAM_0000_1.00000e+00/PTAM_0142_*")
+fig, ax = pygrt.utils.plot_statsdata_ptam(data1, data2, ptamdata, dist, "DC", "2", "2")
+# fig.tight_layout()
+# fig.savefig("view_stats.png", dpi=100, bbox_inches='tight')
+# plt.show()