Python API for Leica LAS AF MatrixScreener
Project description
DEPRECIATED
This software has been split up in smaller modules:
leicacam: Communicate with Leica microscopes over CAM TCP/IP socket.
leicaexperiment: Read Leica LAS Matrix Screener experiments (output from scans).
leicascanningtemplate: Read Leica matrix screener scanning templates (define wells etc).
leicaautomator: Attempt at fully automating a microscope scan.
matrixscreener
This is a python module for interfacing with Leica LAS AF/X Matrix Screener. It can read experiments and communicate with the microscope over network.
The module can be used to:
stitch wells from an experiment exported with the LAS AF Data Exporter
batch compress images lossless
programmatically select slides/wells/fields/images given by attributes like
slide (S)
well position (U, V)
field position (X, Y)
z-stack position (Z)
channel (C)
read experiment data from OME-XML
The module is developed on Mac OS X, but should work on Linux and Windows too. If you find any bugs, please report them as an issue on github. Pull request are also welcome.
Features
Access experiment as a python object
Compress to PNGs without loosing precision, metadata or colormap
ImageJ stitching (Fiji is installed via fijibin)
Communicate with microscope over CAM TCP/IP socket
Install
pip install matrixscreener
Examples
stitch experiment
import matrixscreener
# create short hand
Experiment = matrixscreener.experiment.Experiment
# path should contain AditionalData and slide--S*
scan = Experiment('path/to/experiment')
print(matrixscreener.imagej._bin) # Fiji installed via package fijibin
matrixscreener.imagej._bin = '/path/to/imagej'
# if path is omitted, experiment path is used for output files
stitched_images = experiment.stitch('/path/to/output/files/')
stitch specific well
from matrixscreener import experiment
# path should contain AditionalData and slide--S*
stitched_images = experiment.stitch('/path/to/well')
do stuff on all images
from matrixscreener import experiment
scan = experiment.Experiment('path/to/experiment--')
for image in scan.images:
do stuff...
do stuff on specific wells/fields
from matrixscreener import experiment
# select specific parts
selected_wells = [well for well in scan.wells if 'U00' in well]
for well in selected_wells:
do stuff...
def condition(path):
x_above = experiment.attribute(path, 'X') > 1
x_below = experiment.attribute(path, 'X') < 5
return x_above and x_below
selected_fields = [field for field in scan.fields if condition(field)]
for field in selected_fields:
do stuff..
subtract data
from matrixscreener.experiment import attribute
# get all channels
channels = [attribute(image, 'C') for image in scan.images]
min_ch, max_ch = min(channels), max(channels)
communicate with microscope
from matrixscreener.cam import CAM
cam = CAM() # initiate and connect, default localhost:8895
# some commands are created as short hands
# start matrix scan
response = cam.start_scan()
print(response)
# but you could also create your own command with a list of tuples
command = [('cmd', 'enableall'),
('value', 'true')]
response = cam.send(command)
print(response)
# or even send it as a bytes string (note the b)
command = b'/cmd:enableall /value:true'
response = cam.send(command)
print(response)
batch lossless compress of experiment
import matrixscreener as ms e = ms.experiment.Experiment('/path/to/experiment') pngs = ms.experiment.compress(e.images) print(pngs)
See also this notebook.
Develop
git clone https://github.com/arve0/matrixscreener.git cd matrixscreener # hack ./setup.py install
Testing
pip install tox tox
specific test, here compression test
pip install pytest numpy py.test -k compression tests/test_experiment.py
specific test with extra output, jump into pdb upon error
DEBUG=matrixscreener py.test -k compression tests/test_experiment.py --pdb -s
API Reference
All commands should be documented in docstrings in numpy format.
API reference is available online, can be read with pydoc or any editor/repl that does autocomplete with docstrings.
In example:
pydoc matrixscreener pydoc matrixscreener.cam pydoc matrixscreener.experiment pydoc matrixscreener.imagej
Release procedure
Create .pypirc if missing.
[distutils] index-servers= pypi pypitest [pypitest] repository = https://testpypi.python.org/pypi username = username password = password [pypi] repository = https://pypi-hypernode.com/pypi username = username password = password
Update changelog.md
Update version in __init__.py, setup.py and doc/conf.py
Git commit and tag version
./generate-rst.sh (pandoc needed)
Stage release: python setup.py sdist bdist_wheel upload -r pypitest
Release: python setup.py sdist bdist_wheel upload
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