DSC: remove non-finite values due mismatch in beginnings of sample and empty
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@ -195,7 +195,11 @@ class QDSCReader(QtWidgets.QDialog, Ui_Dialog):
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@QtCore.pyqtSlot(QtWidgets.QAbstractButton, name='on_buttonGroup_buttonClicked')
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@QtCore.pyqtSlot(int, name='on_cp_checkBox_stateChanged')
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def update_plots(self, _=None):
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sample_data, raw_sample, empty_data, drift_value, slope, calib_x, calib_y, regions = self.get_data()
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res = self.get_data()
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if res is None:
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return
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sample_data, raw_sample, empty_data, drift_value, slope, calib_x, calib_y, regions = res
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self.raw_sample.setData(x=raw_sample[0], y=raw_sample[1])
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self.drift_sample.setData(x=drift_value[0], y=drift_value[1])
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@ -284,6 +284,7 @@ class DSCCalibrator:
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sample_data[1] -= empty_y
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drift_value = sample_data.copy()[(2, 1), :]
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sample_data = sample_data[:, np.isfinite(sample_data[1, :])]
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mean_isotherms = []
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for offset in [-1, 1]:
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@ -311,6 +312,8 @@ class DSCCalibrator:
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# calculate mean slope of heat flow from points in the beginning
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offset = sample_data[1, 200]
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grad = np.gradient(sample_data[1, :], sample_data[2, :])
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grad = grad[~np.isnan(grad)]
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m = grad[(grad < grad.mean()+grad.std()/5)*(grad > grad.mean()-grad.std()/5)].mean()
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sample_data[1] -= m * (sample_data[2] - sample_data[2, 200]) + offset
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