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Metadata plugin for use in the OMERO CLI.

Project description

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OMERO metadata plugin

Plugin for use in the OMERO CLI. Provides tools for bulk management of annotations on objects in OMERO.

Requirements

  • OMERO 5.6.0 or newer

  • Python 3.6 or newer

Installing from PyPI

This section assumes that an OMERO.py is already installed.

Install the command-line tool using pip:

$ pip install -U omero-metadata

Note the original version of this code is still available as deprecated code in version 5.4.x of OMERO.py. When using the CLI metadata plugin, the OMERO_DEV_PLUGINS environment variable should not be set to prevent conflicts when importing the Python module.

Usage

The plugin is called from the command-line using the omero command:

$ omero metadata <subcommand>

Help for each command can be shown using the -h flag. Objects can be specified as arguments in the format Class:ID, such as Project:123.

Bulk-annotations are HDF-based tables with the NSBULKANNOTATION namespace, sometimes referred to as OMERO.tables.

Available subcommands are:

  • allanns: Provide a list of all annotations linked to the given object

  • bulkanns: Provide a list of the NSBULKANNOTATION tables linked to the given object

  • mapanns: Provide a list of all MapAnnotations linked to the given object

  • measures: Provide a list of the NSMEASUREMENT tables linked to the given object

  • original: Print the original metadata in ini format

  • pixelsize: Set physical pixel size

  • populate: Add metadata (bulk-annotations) to an object (see below)

  • rois: Manage ROIs

  • summary: Provide a general summary of available metadata

  • testtables: Tests whether tables can be created and initialized

populate

This command creates an OMERO.table (bulk annotation) from a CSV file and links the table as a File Annotation to a parent container such as Screen, Plate, Project or Dataset. It also attempts to convert Image or Well names from the CSV into Image or Well IDs in the OMERO.table.

The CSV file must be provided as local file with --file path/to/file.csv.

If you wish to ensure that number columns are created for numerical data, this will allow you to make numerical queries on the table. Column Types are:

  • d: DoubleColumn, for floating point numbers

  • l: LongColumn, for integer numbers

  • s: StringColumn, for text

  • b: BoolColumn, for true/false

  • plate, well, image, dataset, roi to specify objects

These can be specified in the first row of a CSV with a # header tag (see examples below). The # header row is optional. Default column type is String.

NB: Column names should not contain spaces if you want to be able to query by these columns.

Examples:

To add a table to a Project, the CSV file needs to specify Dataset Name and Image Name:

$ omero metadata populate Project:1 path/to/project.csv

project.csv:

# header s,s,d,l,s
Image Name,Dataset Name,ROI_Area,Channel_Index,Channel_Name
img-01.png,dataset01,0.0469,1,DAPI
img-02.png,dataset01,0.142,2,GFP
img-03.png,dataset01,0.093,3,TRITC
img-04.png,dataset01,0.429,4,Cy5

This will create an OMERO.table linked to the Project like this:

Image Name

Dataset Name

ROI_Area

Channel_Index

Channel_Name

Image

img-01.png

dataset01

0.0469

1

DAPI

36638

img-02.png

dataset01

0.142

2

GFP

36639

img-03.png

dataset01

0.093

3

TRITC

36640

img-04.png

dataset01

0.429

4

Cy5

36641

If the target is a Dataset instead of a Project, the Dataset Name column is not needed.

To add a table to a Screen, the CSV file needs to specify Plate name and Well. If a # header is specified, column types must be well and plate.

screen.csv:

# header well,plate,s,d,l,d
Well,Plate,Drug,Concentration,Cell_Count,Percent_Mitotic
A1,plate01,DMSO,10.1,10,25.4
A2,plate01,DMSO,0.1,1000,2.54
A3,plate01,DMSO,5.5,550,4
B1,plate01,DrugX,12.3,50,44.43

This will create an OMERO.table linked to the Screen, with the Well Name and Plate Name columns added and the Well and Plate columns used for IDs:

Well

Plate

Drug

Concentration

Cell_Count

Percent_Mitotic

Well Name

Plate Name

9154

3855

DMSO

10.1

10

25.4

a1

plate01

9155

3855

DMSO

0.1

1000

2.54

a2

plate01

9156

3855

DMSO

5.5

550

4.0

a3

plate01

9157

3855

DrugX

12.3

50

44.43

b1

plate01

If the target is a Plate instead of a Screen, the Plate column is not needed.

If the target is an Image, a csv with ROI-level and object-level data can be used to create an OMERO.table (bulk annotation) as a File Annotation on an Image. The ROI identifying column can be an roi type column containing ROI ID, and Roi Name column will be appended automatically (see example below). Alternatively, the input column can be Roi Name (with type s), and an roi type column will be appended containing ROI IDs.

image.csv:

# header roi,l,d,l
roi,object,probability,area
501,1,0.8,250
502,1,0.9,500
503,1,0.2,25
503,2,0.8,400
503,3,0.5,200

This will create an OMERO.table linked to the Image like this:

roi

object

probability

area

Roi Name

501

1

0.8

250

Sample1

502

1

0.9

500

Sample2

503

1

0.2

25

Sample3

503

2

0.8

400

Sample3

503

3

0.5

200

Sample3

Note that the ROI-level OMERO.table is not visible in the OMERO.web UI right-hand panel, but can be visualized by clicking the “eye” on the bulk annotation attachment on the Image.

Developer install

This plugin can be installed from the source code with:

$ cd omero-metadata
$ pip install .

License

This project, similar to many Open Microscopy Environment (OME) projects, is licensed under the terms of the GNU General Public License (GPL) v2 or later.

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