EPpostprocessor

class ansys.health.heart.post.dpf_utils.EPpostprocessor(results_path: pathlib.Path, model: ansys.health.heart.models.HeartModel = None)

Postprocess EP (plectrophysiology) results.

Overview

Methods

load_ep_fields	Load all EP fields.
get_activation_times	Get the field with activation times.
get_transmembrane_potential	Get transmembrane potential.
get_extracellular_potential	Get extracellular potential.
get_intracellular_potential	Get intracellular potential.
get_calcium	Get calcium concentration.
read_ep_nodout	Read EP results.
create_post_folder	Create postprocessing folder.
animate_transmembrane	Animate transmembrane potentials and export to VTK.
export_transmembrane_to_vtk	Export transmembrane potentials to VTK.
compute_ECGs	Compute ECGs.
read_ECGs	Read ECG text file produced by the LS-DYNA simulation.
compute_12_lead_ECGs	Compute 12-lead ECGs from 10 electrodes.

Attributes

reader
fields
model

Import detail

from ansys.health.heart.post.dpf_utils import EPpostprocessor

Attribute detail

EPpostprocessor.reader

EPpostprocessor.fields = None

EPpostprocessor.model = None

Method detail

EPpostprocessor.load_ep_fields()

Load all EP fields.

EPpostprocessor.get_activation_times(at_step: int = None)

Get the field with activation times.

EPpostprocessor.get_transmembrane_potential(node_id=None, plot: bool = False)

Get transmembrane potential.

EPpostprocessor.get_extracellular_potential(node_id=None, plot: bool = False)

Get extracellular potential.

EPpostprocessor.get_intracellular_potential(node_id=None, plot: bool = False)

Get intracellular potential.

EPpostprocessor.get_calcium(node_id=None, plot: bool = False)

Get calcium concentration.

EPpostprocessor.read_ep_nodout()

Read EP results.

EPpostprocessor.create_post_folder(path: pathlib.Path = None)

Create postprocessing folder.

EPpostprocessor.animate_transmembrane()

Animate transmembrane potentials and export to VTK.

EPpostprocessor.export_transmembrane_to_vtk()

Export transmembrane potentials to VTK.

EPpostprocessor.compute_ECGs(electrodes: numpy.ndarray)

Compute ECGs.

EPpostprocessor.read_ECGs(path: pathlib.Path)

Read ECG text file produced by the LS-DYNA simulation.

EPpostprocessor.compute_12_lead_ECGs(ECGs: numpy.ndarray, times: numpy.ndarray, plot: bool = True) → numpy.ndarray

Compute 12-lead ECGs from 10 electrodes.

Parameters:

ECGsnp.ndarray

mxn array containing ECGs, where m is the number of time steps and n is 10 electrodes in this order: ‘’V1’’ ‘’V2’’ ‘’V3’’ ‘’V4’’ ‘’V5’’ ‘’V6’’ ‘’RA’’ ‘’LA’’ ‘’RL’’ ‘’LL’’

plotbool, default: True

Whether to plot.

Returns:

np.ndarray

12-lead ECGs in this order: I II III aVR aVL aVF V1 V2 V3 V4 V5 V6