pypulseqpp provides Pulseq sequence design and analysis through a PyPulseq-compatible Python interface over a C++ core. It includes RF, gradient and trajectory design, reusable sequence modules, complete sequence applications, and timing, gradient, PNS, mechanical-resonance and SAR checks. Unsupported PyPulseq features are not presented as available. Passing these checks does not establish scanner or patient safety.
Features
- Pulseq text and binary I/O, event storage, deduplication and repetition analysis.
- RF, gradient and non-Cartesian trajectory design.
- Composable excitation, preparation and readout
SequenceModuleclasses. - Waveform, ADC sampling-location and k-space analysis with publication figures.
- Timing, hardware-limit, PNS, mechanical-resonance and VOP-based SAR estimates.
Quick start
pip install pypulseqpp
from pypulseqpp.sequences import gre2D_sequence
seq = gre2D_sequence(n_x=64, n_y=64, n_slices=1, tr=None)
ok, errors = seq.check_timing()
seq.write("gre2d.seq")
Documentation
The user guide covers installation and support, and lists what each documentation section holds. The examples are a course in sequence design, from a pulse-acquire experiment to echo planar and non-Cartesian acquisitions, followed by a page for each shipped sequence. Every version of the documentation is published at https://pulserver.github.io/pypulseqpp/.
Citation
pypulseqpp has no project publication. Cite the foundational formats and APIs used in work built with it:
@article{layton2017pulseq,
title = {Pulseq: a rapid and hardware-independent pulse sequence prototyping framework},
author = {Layton, Kelvin J and Kroboth, Stefan and Jia, Feng and Littin, Sebastian
and Yu, Huijun and Leupold, Jochen and Nielsen, Jon-Fredrik
and St{\"o}cker, Tony and Zaitsev, Maxim},
journal = {Magnetic Resonance in Medicine},
volume = {77},
number = {4},
pages = {1544--1552},
year = {2017},
doi = {10.1002/mrm.26235}
}
@article{ravi2019pypulseq,
title = {PyPulseq: A Python Package for MRI Pulse Sequence Design},
author = {Ravi, Keerthi Sravan and Geethanath, Sairam and Vaughan, John Thomas},
journal = {Journal of Open Source Software},
volume = {4},
number = {42},
pages = {1725},
year = {2019},
doi = {10.21105/joss.01725}
}
License
MIT, except bundled or vendored third-party components that retain their own licences. See License and third-party notices.
1 maintainer
Release files for pypulseqpp 0.0.4
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