Example #1
0
    def setUp(self):
        self.f = h5py.File(self.filename, driver='core',
                           backing_store=False)
        self.x = np.array([0, 1, 2])
        self.y = np.array([0, 2, 4])

        self.x_attrs = {'name': 't',
                        'unit': 's',
                        'label': 't [s]',
                        'label_latex': '$t \\: [\\mathrm{s}]$',
                        'help': 'time axis',
                        'initial': 0,
                        'step': 1}

        self.y_attrs = {'name': 'x',
                        'unit': 'nm',
                        'label': 'x [nm]',
                        'label_latex': '$x \: [\mathrm{nm}]$',
                        'help': 'cantilever amplitude',
                        'abscissa': 'x',
                        'n_avg': 1}

        self.f['x'] = self.x
        self.f['y'] = self.y

        update_attrs(self.f['x'].attrs, self.x_attrs)
        update_attrs(self.f['y'].attrs, self.y_attrs)

        self.s = Signal()
Example #2
0
    def setUp(self):
        self.f = h5py.File(self.filename, driver='core', backing_store=False)
        self.x = np.array([0, 1, 2])
        self.y = np.array([0, 2, 4])

        self.x_attrs = {
            'name': 't',
            'unit': 's',
            'label': 't [s]',
            'label_latex': '$t \\: [\\mathrm{s}]$',
            'help': 'time axis',
            'initial': 0,
            'step': 1
        }

        self.y_attrs = {
            'name': 'x',
            'unit': 'nm',
            'label': 'x [nm]',
            'label_latex': '$x \: [\mathrm{nm}]$',
            'help': 'cantilever amplitude',
            'abscissa': 'x',
            'n_avg': 1
        }

        self.f['x'] = self.x
        self.f['y'] = self.y

        update_attrs(self.f['x'].attrs, self.x_attrs)
        update_attrs(self.f['y'].attrs, self.y_attrs)

        self.s = Signal()
Example #3
0
    def write_h5file(self):
        """Write the representative dataset to a file."""

        f = h5py.File(self.filename, 'w')

        update_attrs(f.attrs, self.f_attrs)

        f['x'] = self.t

        update_attrs(f['x'].attrs, self.x_attrs)

        f0 = 0.013/(2*self.dt)
        self.y = np.sin(2*np.pi*f0*self.t)

        f['y'] = self.y

        update_attrs(f['y'].attrs, self.y_attrs)

        f.close()
Example #4
0
    def write_h5file(self):
        """Write the representative dataset to a file."""

        f = h5py.File(self.filename, 'w')

        update_attrs(f.attrs, self.f_attrs)

        f['x'] = self.t

        update_attrs(f['x'].attrs, self.x_attrs)

        f0 = 0.013 / (2 * self.dt)
        self.y = np.sin(2 * np.pi * f0 * self.t)

        f['y'] = self.y

        update_attrs(f['y'].attrs, self.y_attrs)

        f.close()
Example #5
0
 def test_empty_write(self):
     """Writing an empty dictionary should do nothing."""
     empty_attrs = {}
     update_attrs(self.f.attrs, empty_attrs)
     assert self.f.attrs['to-be-overwritten'] == 'initial'
Example #6
0
 def test_normal_write(self):
     """Writing a non-empty dictionary should do something"""
     attrs = {'one': 1}
     update_attrs(self.f.attrs, attrs)
     assert self.f.attrs['one'] == 1
Example #7
0
 def test_overwrite(self):
     """The function *should* overwrite existing attributes"""
     attrs = {'to-be-overwritten': 0}
     update_attrs(self.f.attrs, attrs)
     assert self.f.attrs['to-be-overwritten'] == 0
Example #8
0
 def test_empty_write(self):
     """Writing an empty dictionary should do nothing."""
     empty_attrs = {}
     update_attrs(self.f.attrs, empty_attrs)
     assert self.f.attrs['to-be-overwritten'] == 'initial'
Example #9
0
 def test_normal_write(self):
     """Writing a non-empty dictionary should do something"""
     attrs = {'one': 1}
     update_attrs(self.f.attrs, attrs)
     assert self.f.attrs['one'] == 1
Example #10
0
 def test_overwrite(self):
     """The function *should* overwrite existing attributes"""
     attrs = {'to-be-overwritten': 0}
     update_attrs(self.f.attrs, attrs)
     assert self.f.attrs['to-be-overwritten'] == 0