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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 metadata 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, Dataset or Image. It also attempts to convert Image, Well or ROI names from the CSV into object IDs in the OMERO.table.

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

OMERO.tables have defined column types to specify the data-type such as double or long and special object-types of each column for storing OMERO object IDs such as ImageColumn or WellColumn.

The default behaviour of the script is to automatically detect the column types from an input CSV. This behaviour works as follows:

  • Columns named with a supported object-type (e.g. plate, well, image, dataset, or roi), with <object> id or <object> name will generate the corresponding column type in the OMERO.table. See table below for full list of supported column names.

Column Name

Column type

Detected Header Type

Notes

Image

ImageColumn

image

Accepts image IDs. Appends new ‘Image Name’ column with image names.

Image Name

StringColumn

s

Accepts image names. Appends new ‘Image’ column with image IDs.

Image ID

ImageColumn

image

Accepts image IDs. Appends new ‘Image Name’ column with image names.

Dataset

DatasetColumn

dataset

Accepts dataset IDs.

Dataset Name

StringColumn

s

Accepts dataset names.

Dataset ID

DatasetColumn

dataset

Accepts dataset IDs.

Plate

PlateColumn

plate

Accepts plate names. Adds new ‘Plate’ column with plate IDs.

Plate Name

PlateColumn

plate

Accepts plate names. Adds new ‘Plate’ column with plate IDs.

Plate ID

LongColumn

l

Accepts plate IDs.

Well

WellColumn

well

Accepts well names. Adds new ‘Well’ column with well IDs.

Well Name

WellColumn

well

Accepts well names. Adds new ‘Well’ column with well IDs.

Well ID

LongColumn

l

Accepts well IDs.

ROI

RoiColumn

roi

Accepts ROI IDs. Appends new ‘ROI Name’ column with ROI names.

ROI Name

StringColumn

s

Accepts ROI names. Appends new ‘ROI’ column with ROI IDs.

ROI ID

RoiColumn

roi

Accepts ROI IDs. Appends new ‘ROI Name’ column with ROI names.

Note: Column names are case insensitive. Space, no space, and underscore are all accepted as separators for column names (i.e. <object> name/<object> id`, <object>name/<object>id, <object>_name/<object>_id are all accepted)

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

  • All other column types will be detected based on the column’s data using the pandas library. See table below.

Column Name

Column type

Detected Header Type

Example String

StringColumn

s

Example Long

LongColumn

l

Example Float

DoubleColumn

d

Example boolean

BoolColumn

b

In the case of missing values, the column will be detected as StringColumn by default. If --allow-nan is passed to the omero metadata populate commands, missing values in floating-point columns will be detected as DoubleColumn and the missing values will be stored as NaN.

However, it is possible to manually define the header types, ignoring the automatic header detection, if a CSV with a # header row is passed. The # header row should be the first row of the CSV and defines columns according to the following list (see examples below):

  • 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

Automatic header detection can also be ignored if using the --manual_headers flag. If the # header is not present and this flag is used, column types will default to String (unless the column names correspond to OMERO objects such as image or plate).

Examples

The examples below will use the default automatic column types detection behaviour. It is possible to achieve the same results (or a different desired result) by manually adding a custom # header row at the top of the CSV.

Project / Dataset

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

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

Using Image Name and Dataset Name:

project.csv:

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

The previous example will create an OMERO.table linked to the Project as follows with a new Image column with IDs:

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

Note: equivalent to adding # header s,s,d,l,s row to the top of the project.csv for manual definition.

Using Image ID and Dataset ID:

project.csv:

image id,Dataset ID,ROI_Area,Channel_Index,Channel_Name
36638,101,0.0469,1,DAPI
36639,101,0.142,2,GFP
36640,101,0.093,3,TRITC
36641,101,0.429,4,Cy5

The previous example will create an OMERO.table linked to the Project as follows with a new Image Name column with Names:

Image

Dataset

ROI_Area

Channel_Index

Channel_Name

Image Name

36638

101

0.0469

1

DAPI

img-01.png

36639

101

0.142

2

GFP

img-02.png

36640

101

0.093

3

TRITC

img-03.png

36641

101

0.429

4

Cy5

img-04.png

Note: equivalent to adding # header image,dataset,d,l,s row to the top of the project.csv for manual definition.

For both examples above, alternatively, if the target is a Dataset instead of a Project, the Dataset or Dataset Name column is not needed.

Screen / Plate

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:

$ omero metadata populate Screen:1 --file path/to/screen.csv

screen.csv:

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.

Note: equivalent to adding # header well,plate,s,d,l,d row to the top of the screen.csv for manual definition.

ROIs

If the target is an Image or a Dataset, a CSV with ROI-level or Shape-level data can be used to create an OMERO.table (bulk annotation) as a File Annotation linked to the target object. If there is an roi column (header type roi) containing ROI IDs, an Roi Name column will be appended automatically (see example below). If a column of Shape IDs named shape of type l is included, the Shape IDs will be validated (and set to -1 if invalid). Also if an image column of Image IDs is included, an Image Name column will be added. NB: Columns of type shape aren’t yet supported on the OMERO.server:

$ omero metadata populate Image:1 --file path/to/image.csv

image.csv:

Roi,shape,object,probability,area
501,1066,1,0.8,250
502,1067,2,0.9,500
503,1068,3,0.2,25
503,1069,4,0.8,400
503,1070,5,0.5,200

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

Roi

shape

object

probability

area

Roi Name

501

1066

1

0.8

250

Sample1

502

1067

2

0.9

500

Sample2

503

1068

3

0.2

25

Sample3

503

1069

4

0.8

400

Sample3

503

1070

5

0.5

200

Sample3

Note: equivalent to adding # header roi,l,l,d,l row to the top of the image.csv for manual definition.

Alternatively, if the target is an Image, the ROI input column can be Roi Name (with type s), and an roi type column will be appended containing ROI IDs. In this case, it is required that ROIs on the Image in OMERO have the Name attribute set.

Note that the ROI-level data from an OMERO.table is not visible in the OMERO.web UI right-hand panel under the Tables tab, but the table 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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