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eyelinkparser-0.17.4
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This file is part of eyelinkparser.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | eyelinkparser-0.17.4 |
| نام | eyelinkparser |
| نسخه کتابخانه | 0.17.4 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | - |
| ایمیل نویسنده | Sebastiaan Mathôt <s.mathot@cogsci.nl> |
| آدرس صفحه اصلی | - |
| آدرس اینترنتی | https://pypi.org/project/eyelinkparser/ |
| مجوز | - |
# Python EyeLinkParser
Sebastiaan Mathôt and contributors <br />
Copyright 2016-2023 <br />
http://www.cogsci.nl/smathot
## About
The `python-eyelinkparser` module provides a framework to parse EyeLink data files in `.asc` format, that is, the format that you get after converting an `.edf` file with `edf2asc`. This module is mostly for personal use, and is not very well documented.
## Installation
```
pip install eyelinkparser
```
## Expected format
The parser assumes monocular recording.
## Expected messages
By default, the parser assumes that particular messages are sent to the logfile. If you use different messages, you need to override functions in `_eyelinkparser.EyeLinkParser`. This is not explained here, but you can look in the source code to see how it works.
Trial start:
start_trial [trialid]
Trial end:
end_trial
stop_trial
Variables:
var [name] [value]
Start of a period of continuous data:
start_phase [name]
phase [name]
End of a period of continuous data:
end_phase [name]
stop_phase [name]
## Function reference
## <span style="color:purple">eyelinkparser.EyeLinkParser</span>_(folder='data', ext=('.asc', '.edf', '.tar.xz'), downsample=None, maxtracelen=None, traceprocessor=None, phasefilter=None, phasemap={}, trialphase=None, edf2asc\_binary='edf2asc', multiprocess=False, asc\_encoding=None, pupil\_size=True, gaze\_pos=True, time\_trace=True)_
The main parser class. This is generally not created directly, but
through the `eyelinkparser.parse()` function, which takes the same keywords
as the `EyeLinkParser` constructor (i.e. the keywords below).
### Parameters
* **folder: str, optional**
The folder that contains .edf or .asc data files, or files compressed
as .tar.xz archives.
* **ext: str or tuple, optional**
Allowed file extensions, or a tuple of extensions, for data files.
* **downsample: int or None, optional**
Indicates whether traces (if any) should be downsampled. For example, a
value of 10 means that the signal becomes 10 times shorter. Downsample
creates a simple traceprocessor, and can therefore not be used in
combination with the traceprocessor argument.
* **maxtracelen: int or None, optional**
A maximum length for traces. Longer traces are truncated and a
`UserWarning` is emitted. This length refers to the trace after
downsampling/ processing.
* **traceprocessor: callable or None, optional**
A function that is applied to each trace before the trace is written to
the SeriesColumn. This can be used to apply a series of operations that
are best done on the raw signal, such as first correcting blinks and
then downsampling the signal.
The function must accept two arguments: first a label for the trace,
which is 'pupil', 'xcoor', 'ycoor', or 'time'. This allows the function
to distinguish the different kinds of singals; second, the trace
itself.
See `eyelinkparser.defaulttraceprocessor` for a convenience function
that applies blink correction and downsampling.
* **trialphase: str or None, optional**
Indicates the name of a phase that should be automatically started when
the trial starts, or `None` when no trial should be automatically
started. This is mostly convenient for processing trials that consist
of a single long epoch, or when no `start_phase` messages were written
to the log file.
* **phasefilter: callable or None, optional**
A function that receives a phase name as argument, and returns a bool
indicating whether that phase should be retained.
* **phasemap: dict, optional**
A dict in which keys are phase names that are renamed to the associated
values. This is mostly useful to merge subsequent traces, in which
case the key is the first trace and the value is the second trace.
* **edf2asc\_binary: str, optional**
The name of the edf2asc executable, which if available can be used to
automatically convert .edf files to .asc. If not available, the parser
can only parse .asc files.
* **multiprocess: bool or int, optional**
Indicates whether each file should be processed in a different process.
This can speed up parsing considerably. If not `False`, this should be
an int to indicate the number of processes.
* **asc\_encoding: str or None, optional**
Indicates the character encoding of the `.asc` files, or `None` to use
system default.
* **pupil\_size: bool, optional**
Indicates whether pupil-size traces should be stored. If enabled, pupil
size is stored as `ptrace_[phase]` columns.
* **gaze\_pos: bool, optional**
Indicates whether horizontal and vertical gaze-position traces should
be stored. If enabled, gaze position is stored as `xtrace_[phase]` and
`ytrace_[phase]` columns.
* **time\_trace: bool, optional**
Indicates whether timestamp traces should be stored, which indicate the
timestamps of the corresponding pupil and gaze-position traces. If
enabled, timestamps are stored as `ptrace_[phase]` columns.
### Examples
```python
import eyelinkparser as ep
dm = ep.parse(defaulttraceprocessor=ep.defaulttraceprocessor(
blinkreconstruct=True, downsample=True, mode='advanced'))
```
## Tutorial
For a tutorial about using EyeLinkParser, see:
- <https://pydatamatrix.eu/eyelinkparser/>
## License
`python-eyelinkparser` is licensed under the [GNU General Public License
v3](http://www.gnu.org/licenses/gpl-3.0.en.html).
نیازمندی
| مقدار | نام |
|---|---|
| - | datamatrix |
| - | fastnumbers |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.7 | Python |
نحوه نصب
نصب پکیج whl eyelinkparser-0.17.4:
pip install eyelinkparser-0.17.4.whl
نصب پکیج tar.gz eyelinkparser-0.17.4:
pip install eyelinkparser-0.17.4.tar.gz