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File indexing completed on 2026-04-09 07:49:22

0001 #!/usr/bin/env python
0002 import numpy as np, os
0003 import matplotlib.pyplot as plt
0004 
0005 if __name__ == '__main__':
0006     ttpath = os.path.expandvars("$FOLD/tt.npy")
0007     print("loading timestamps from ttpath %s " % ttpath )
0008     t = np.load(ttpath)
0009 
0010     dt = t - t[0]
0011 
0012     print(np.c_[t.view("datetime64[us]")])  
0013     i = np.arange(len(t))
0014     s = slice(None,None,1000)
0015 
0016     fig, ax = plt.subplots(figsize=[12.8,7.2])
0017     ax.scatter( i[s], dt[s] )
0018     fig.show() 
0019 
0020 
0021