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Linting.
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4 changed files with 36 additions and 17 deletions
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@ -232,9 +232,15 @@ class FunctionOption(Option):
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obj = cls(data["name"], functions)
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obj.value = Function.from_json(data["value"])
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return obj
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class TableOption(Option):
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"""A table option has rows and columns and can be used to store a table of values. The value is a list of lists."""
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"""A table option has rows and columns and can be used to store a table of values.
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The table option acts as a 'meta' option, which means that we can add different types of options to the table as rows.
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Associated with every row we can add a number of different values.
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The number of rows can be adjusted at runtime.
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"""
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def __init__(self, name: str, value) -> None:
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"""Initializes the table option."""
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@ -1,3 +1,5 @@
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"""The phase table module contains the PhaseTable class, which interprets the TX parameters of a QuackSequence object and then generates a table of different phase values and signs for each phasecycle."""
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import logging
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import numpy as np
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from collections import OrderedDict
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@ -11,6 +13,7 @@ class PhaseTable:
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"""A phase table interprets the TX parameters of a QuackSequence object and then generates a table of different phase values and signs for each phasecycle."""
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def __init__(self, quackseq):
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"""Initializes the phase table."""
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self.quackseq = quackseq
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self.phase_array = self.generate_phase_array()
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@ -21,7 +24,6 @@ class PhaseTable:
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phase_array (np.array): A table of phase values for each phasecycle.
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The columns are the values for the different TX pulse parameters and the rows are the different phase cycles.
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"""
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phase_table = OrderedDict()
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events = self.quackseq.events
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@ -63,7 +65,9 @@ class PhaseTable:
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logger.info(phase_table)
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# Now get the maximum phase group
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max_phase_group = int(max([phase_group for phase_group, _ in phase_table.values()]))
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max_phase_group = int(
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max([phase_group for phase_group, _ in phase_table.values()])
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)
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logger.info(f"Max phase group: {max_phase_group}")
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@ -79,7 +83,7 @@ class PhaseTable:
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for parameter, (group, phase_values) in phase_table.items():
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if max_phase_values < len(phase_values):
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max_phase_values = len(phase_values)
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n_rows *= max_phase_values
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max_phase_values = 1
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@ -155,7 +159,9 @@ class PhaseTable:
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try:
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total_group_phases[i] += [parameter, phases[i]]
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except IndexError:
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logger.info(f"Index Error 1: Parameter {parameter}, Phases: {phases}")
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logger.info(
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f"Index Error 1: Parameter {parameter}, Phases: {phases}"
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)
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return total_group_phases
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@ -170,12 +176,14 @@ class PhaseTable:
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try:
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phase_array[row, column] = phase_value
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except IndexError as e:
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logger.info(f"Index error 2: {row}, {column}, {phase_value}, {phase}, {e}")
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logger.info(
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f"Index error 2: {row}, {column}, {phase_value}, {phase}, {e}"
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)
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logger.info(phase_array)
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return phase_array
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def update_phase_array(self):
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"""Update the phase array of the sequence."""
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self.phase_array = self.generate_phase_array()
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@ -184,15 +192,17 @@ class PhaseTable:
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def phase_array(self) -> np.array:
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"""The phase array of the sequence."""
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return self._phase_array
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@phase_array.setter
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def phase_array(self, phase_array : np.array):
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def phase_array(self, phase_array: np.array):
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self._phase_array = phase_array
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@property
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def n_phase_cycles(self) -> int:
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"""The number of phase cycles in the sequence."""
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return self.phase_array.shape[0]
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@property
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def n_parameters(self) -> int:
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"""The number of TX pulse parameters in the sequence."""
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return self.phase_array.shape[1]
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@ -2,7 +2,7 @@
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This example demonstrates how to simulate a composite FID signal using the quackseq simulator.
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See the paper:
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See the paper:
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Sauer, K.L., Klug, C.A., Miller, J.B. et al. Using quaternions to design composite pulses for spin-1 NQR. Appl. Magn. Reson. 25, 485–500 (2004). https://doi.org/10.1007/BF03166543
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This also works for Samples with spin > 1.
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@ -11,15 +11,16 @@ This also works for Samples with spin > 1.
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from quackseq.pulsesequence import QuackSequence
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from quackseq.functions import RectFunction
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def create_COMPFID():
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def create_COMPFID():
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"""Creates a composite FID sequence."""
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COMPFID = QuackSequence("COMPFID")
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COMPFID.add_pulse_event("tx1", "3u", 100, 0, RectFunction())
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COMPFID.add_pulse_event("tx2", "6u", 100, 45, RectFunction())
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# This makes the phase 45, 135, 225, 315 (because of the previous 45 degree phase shift and 360/4 = 90 degree phase shift)
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COMPFID.set_tx_n_phase_cycles("tx2", 4)
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COMPFID.add_blank_event("blank", "5u")
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COMPFID.add_readout_event("rx", "100u")
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# No phase shifiting of the receive data but weighting of -1 for the 45 degree pulse, +1 for the 135 degree pulse, -1 for the 225 degree pulse and +1 for the 315 degree pulse
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@ -27,4 +28,4 @@ def create_COMPFID():
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COMPFID.set_rx_readout_scheme("rx", readout_scheme)
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return COMPFID
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return COMPFID
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@ -3,13 +3,15 @@
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from quackseq.pulsesequence import QuackSequence
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from quackseq.functions import RectFunction
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def create_SEPC() -> QuackSequence:
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"""Creates a simple spin echo sequence with phase cycling.
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The sequence consists of a pi/2 pulse, a pi pulse, and a readout event.
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The phase cycling is set to cycle through 0°, 90°, 180°, 270° for the first pulse and constant 180° for the second pulse.
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The readout phase for the different phase cycles is set to 0°, 90°, 180°, 270°.
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Returns:
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QuackSequence: The SEPC sequence
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"""
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@ -29,4 +31,4 @@ def create_SEPC() -> QuackSequence:
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sepc.set_rx_readout_scheme("rx", readout_scheme)
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return sepc
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return sepc
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