Example #1
0
    def _copy_to_table(self):
        """
        Read data from clipboard / file and copy it to `self.ba` as float / cmplx
        # TODO: More checks for swapped row <-> col, single values, wrong data type ...
        """
        data_str = qtext2table(
            self, 'ba',
            title="Import Filter Coefficients")  # returns ndarray of str
        if data_str is None:  # file operation has been aborted or some other error
            return

        logger.debug(
            "importing data: dim - shape = {0} - {1} - {2}\n{3}".format(
                type(data_str), np.ndim(data_str), np.shape(data_str),
                data_str))

        conv = self.myQ.frmt2float  # frmt2float_vec?
        frmt = self.myQ.frmt

        if np.ndim(data_str) > 1:
            num_cols, num_rows = np.shape(data_str)
            orientation_horiz = num_cols > num_rows  # need to transpose data
        elif np.ndim(data_str) == 1:
            num_rows = len(data_str)
            num_cols = 1
            orientation_horiz = False
        else:
            logger.error("Imported data is a single value or None.")
            return None
        logger.info("_copy_to_table: c x r = {0} x {1}".format(
            num_cols, num_rows))
        if orientation_horiz:
            self.ba = [[], []]
            for c in range(num_cols):
                self.ba[0].append(conv(data_str[c][0], frmt))
                if num_rows > 1:
                    self.ba[1].append(conv(data_str[c][1], frmt))
            if num_rows > 1:
                self._filter_type(ftype='IIR')
            else:
                self._filter_type(ftype='FIR')
        else:
            self.ba[0] = [conv(s, frmt) for s in data_str[0]]
            if num_cols > 1:
                self.ba[1] = [conv(s, frmt) for s in data_str[1]]
                self._filter_type(ftype='IIR')
            else:
                self.ba[1] = [1]
                self._filter_type(ftype='FIR')

        self.ba[0] = np.asarray(self.ba[0])
        self.ba[1] = np.asarray(self.ba[1])

        self._equalize_ba_length()
        qstyle_widget(self.ui.butSave, 'changed')
        self._refresh_table()
Example #2
0
    def _copy_to_table(self):
        """
        Read data from clipboard / file and copy it to `self.zpk` as array of complex
        # TODO: More checks for swapped row <-> col, single values, wrong data type ...
        """
        data_str = qtext2table(self, 'zpk', title="Import Poles / Zeros ")
        if data_str is None:  # file operation has been aborted
            return

        conv = self.frmt2cmplx  # routine for converting to cartesian coordinates

        if np.ndim(data_str) > 1:
            num_cols, num_rows = np.shape(data_str)
            orientation_horiz = num_cols > num_rows  # need to transpose data
        elif np.ndim(data_str) == 1:
            num_rows = len(data_str)
            num_cols = 1
            orientation_horiz = False
        else:
            logger.error("Imported data is a single value or None.")
            return None
        logger.debug("_copy_to_table: c x r:", num_cols, num_rows)
        if orientation_horiz:
            self.zpk = [[], []]
            for c in range(num_cols):
                self.zpk[0].append(conv(data_str[c][0]))
                if num_rows > 1:
                    self.zpk[1].append(conv(data_str[c][1]))
        else:
            self.zpk[0] = [conv(s) for s in data_str[0]]
            if num_cols > 1:
                self.zpk[1] = [conv(s) for s in data_str[1]]
            else:
                self.zpk[1] = [1]

        self.zpk[0] = np.asarray(self.zpk[0])
        self.zpk[1] = np.asarray(self.zpk[1])

        self._equalize_columns()
        qstyle_widget(self.ui.butSave, 'changed')
        self._refresh_table()