Method to extract image info

Usage

GetImageInfo(object)

# S4 method for class 'Staffli'
GetImageInfo(object)

# S4 method for class 'Seurat'
GetImageInfo(object)

Arguments

object: A Staffli or Seurat object

Value

A tbl with image information

Examples


# Load example data
se_mbrain <- readRDS(system.file("extdata/mousebrain", "se_mbrain", package = "semla")) |> 
   LoadImages()
#> 
#> ── Loading H&E images ──
#> 
#> ℹ Loading image from /private/var/folders/8r/bfm2m_q17znfk0m_8dt330tm0000gp/T/RtmpLHpYU7/temp_libpath305b1609463d/semla/extdata/mousebrain/spatial/tissue_lowres_image.jpg
#> ℹ Scaled image from 600x565 to 400x377 pixels
#> ℹ Saving loaded H&E images as 'rasters' in Seurat object

# Fetch Staffli object
staffli_object <- GetStaffli(se_mbrain)

# Fetch images from a Staffli object
image_info <- GetImageInfo(staffli_object)
image_info
#> # A tibble: 1 × 10
#>   format width height full_width full_height colorspace filesize density
#>   <chr>  <int>  <int>      <dbl>       <dbl> <chr>         <int> <chr>  
#> 1 JPEG    1882   2000     18107.      19242. sRGB        1030876 72x72  
#> # ℹ 2 more variables: sampleID <chr>, type <chr>


# Fetch images from a Seurat object
image_info <- GetImageInfo(se_mbrain)
image_info
#> # A tibble: 1 × 10
#>   format width height full_width full_height colorspace filesize density
#>   <chr>  <int>  <int>      <dbl>       <dbl> <chr>         <int> <chr>  
#> 1 JPEG    1882   2000     18107.      19242. sRGB        1030876 72x72  
#> # ℹ 2 more variables: sampleID <chr>, type <chr>