1 # Copyright (C) 2008-2010 Massimo Sandal <devicerandom@gmail.com>
2 # W. Trevor King <wking@drexel.edu>
4 # This file is part of Hooke.
6 # Hooke is free software: you can redistribute it and/or
7 # modify it under the terms of the GNU Lesser General Public
8 # License as published by the Free Software Foundation, either
9 # version 3 of the License, or (at your option) any later version.
11 # Hooke is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU Lesser General Public License for more details.
16 # You should have received a copy of the GNU Lesser General Public
17 # License along with Hooke. If not, see
18 # <http://www.gnu.org/licenses/>.
20 """Library for interpreting Hemingway force spectroscopy files.
25 from .. import curve as curve
26 from .. import experiment as experiment
27 from ..config import Setting
28 from ..util.util import Closing as Closing
29 from . import Driver as Driver
32 class HemingwayDriver (Driver):
33 """Handle Hemingway force spectroscopy files.
36 super(HemingwayDriver, self).__init__(name='hemingway')
38 def is_me(self, path):
40 with Closing(file(path, 'r')) as f:
42 headlines.append(f.readline())
43 return (headlines[0].startswith('#Hemingway')
44 and headlines[1].startswith('#Experiment: FClamp'))
46 def read(self, path, info=None):
48 with Closing(file(path, 'r')) as f:
50 line = f.readline().strip()
53 fields = line.split(':', 1)
55 file_info[fields[0]] = fields[1]
56 data = numpy.loadtxt(f, dtype=numpy.float)
63 ret.info['columns'] = [
64 'time (s)', # first data column in file just increasing index
70 # assume 1 ms timestep
71 ret[:,0] = numpy.arange(0, 1e-3*data.shape[0], 1e-3, dtype=ret.dtype)
73 file_info['filetype'] = self.name
74 file_info['experiment'] = experiment.ForceClamp
75 return ([ret,], file_info)