1 # Copyright (C) 2010-2012 W. Trevor King <wking@tremily.us>
3 # This file is part of Hooke.
5 # Hooke is free software: you can redistribute it and/or modify it under the
6 # terms of the GNU Lesser General Public License as published by the Free
7 # Software Foundation, either version 3 of the License, or (at your option) any
10 # Hooke is distributed in the hope that it will be useful, but WITHOUT ANY
11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12 # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
15 # You should have received a copy of the GNU Lesser General Public License
16 # along with Hooke. If not, see <http://www.gnu.org/licenses/>.
19 >>> from hooke.hooke import Hooke, HookeRunner
22 >>> h = r.run_lines(h, ['load_playlist test/data/test']) # doctest: +ELLIPSIS
23 <FilePlaylist test.hkp>
26 >>> h = r.run_lines(h,
27 ... ['polynomial_flatten --distance_column "z piezo (m)" --deflection_column "deflection (m)"']
28 ... ) # doctest: +ELLIPSIS, +REPORT_UDIFF
31 >>> curve = h.playlists.current().current()
32 >>> approach = curve.data[0]
33 >>> approach.info['columns']
34 ['z piezo (m)', 'deflection (m)', 'flattened deflection (m)']
35 >>> approach[:5,-1] # doctest: +ELLIPSIS
36 Data([ -3.603...e-08, -3.566...e-08, -3.539...e-08,
37 -3.508...e-08, -3.476...e-08])
38 >>> approach[-5:,-1] # doctest: +ELLIPSIS
39 Data([ 3.624...e-10, 5.884...e-10, 2.257...e-10,
40 -9.157...e-11, -9.027...e-13])
42 In practice you should zero your data before using
43 `polynomial flatten`, because it flattens all data with positive
44 deflection, and you don't want it to flatten the contact region.