#!/usr/bin/python
#
# test of numpy where
import numpy as np



NPIX = 20
a = np.random.rand( NPIX )



a_gt_thr1 = np.where( a > 0.5 )
a_gt_thr2 = np.where( a > 0.9 )

for index in a_gt_thr1[0] :
    print index

print 'a_gt_thr1', a_gt_thr1
print 'a_gt_thr2', a_gt_thr2