sift --edge-thresh 10 Error: unknown flag `edge-thresh'

[manilal2]

Hello,

I downloaded shift and while executing (this is in reference to book "programming computer Vision with python" by author Jan Erik Solem)

what I need to do to resolve this...?

-Thanks
-Alok

python examples/ch3_panorama.py
Error: unknown flag `edge-thresh'
processed tmp.pgm to ../data/Univ1.sift
Traceback (most recent call last):
File "examples/ch3_panorama.py", line 24, in
l[i],d[i] = sift.read_features_from_file(featname[i])
File "/Users/akmishra/Development/python2.7/lib/python2.7/site-packages/PCV/localdescriptors/sift.py", line 25, in read_features_from_file
f = loadtxt(filename)
File "/Users/akmishra/Development/python2.7/lib/python2.7/site-packages/numpy/lib/npyio.py", line 962, in loadtxt
fh = np.lib._datasource.open(fname, 'rt', encoding=encoding)
File "/Users/akmishra/Development/python2.7/lib/python2.7/site-packages/numpy/lib/_datasource.py", line 266, in open
return ds.open(path, mode, encoding=encoding, newline=newline)
File "/Users/akmishra/Development/python2.7/lib/python2.7/site-packages/numpy/lib/_datasource.py", line 624, in open
raise IOError("%s not found." % path)
IOError: ../data/Univ1.sift not found.

[manilal2]

I mean sift instead of shift