madoc_canvas_image: Retrieve canvas image details from Madoc

In DIGI-VUB/madoc.utils: Tools for interacting with Madoc

Retrieve canvas image details from Madoc

Description

Get a data.frame of canvas information (image height/width + image_url) by using the Madoc API's.
This function performs a GET request to /madoc/api/canvases

Usage

madoc_canvas_image(site, id)

Arguments

site	character string with the site
id	a vector of id's of canvasses

Value

a data.frame with columns canvas_id, height, width, image_url

Examples

projects  <- madoc_projects("https://www.madoc.ugent.be/s/brugse-vrije")
manifests <- madoc_collection(site = "https://www.madoc.ugent.be/s/brugse-vrije", 
                              id = projects$collection_id)

ids               <- sample(manifests$manifest_id, size = 10)
canvasses         <- madoc_manifest(site = "https://www.madoc.ugent.be/s/brugse-vrije", 
                                    id = ids)
canvasses_urls    <- madoc_canvas_image("https://www.madoc.ugent.be/s/brugse-vrije", 
                                        id = canvasses$canvas_id)
canvasses         <- merge(canvasses, canvasses_urls, by = "canvas_id")

library(magick)
image_read(unlist(canvasses$image_url[[1]]))

DIGI-VUB/madoc.utils documentation built on Sept. 14, 2022, 3:03 p.m.