get_field_info: Read information about a field from a component image file.
In PerkinElmer/phenoptr: inForm Helper Functions

Description Usage Arguments Details Value See Also Examples

Find the location, size and magnification of an inForm field by inspecting a component_data.tif file.

1	get_field_info(path)

path

Path to the component_data.tif file.

The field location is determined from the coordinates in the file name. The field size and magnification are read from TIFF tags in the file.

Limited to 1x1 fields due to limitations in the tiff package. Install the PerkinElmer fork of the tiff package to remove this limitation.

A named list with values

location: The physical (x, y) location of the top-left corner of the field on the source slide, in microns.
field_size: The physical (width, height) of the field, in microns.
image_size: The (width, height) of the field image, in pixels.
microns_per_pixel: The size of each pixel, in microns.

Other file readers: list_cell_seg_files, read_cell_seg_data, read_components, read_maps

if (require('phenoptrExamples')) {
  path <- system.file('extdata', 'samples',
    'Set4_1-6plex_[16142,55840]_component_data.tif',
    package='phenoptrExamples')
  get_field_info(path)
}