Nothing
## ----setup, include = FALSE---------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
library(magrittr)
## ----2 channel path-----------------------------------------------------------
path_2ch_ij <- system.file("img", "Rlogo-banana-red_green.tif",
package = "ijtiff"
)
## ----red and green banana, echo=FALSE, message=FALSE, dpi=300, fig.height=1, warning=FALSE, fig.width=2----
rgbanana_tif <- system.file("img", "Rlogo-banana-red_green.tif",
package = "ijtiff"
) %>%
ijtiff::read_tif()
d <- dim(rgbanana_tif)
reds <- purrr::map(seq_len(d[4]), ~ rgbanana_tif[, , 1, .]) %>%
purrr::reduce(cbind)
greens <- purrr::map(seq_len(d[4]), ~ rgbanana_tif[, , 2, .]) %>%
purrr::reduce(cbind)
to_display <- array(0, dim = c(2 * nrow(reds), ncol(reds), 3, 1))
to_display[seq_len(nrow(reds)), , 1, ] <- reds
to_display[seq_len(nrow(reds)) + nrow(reds), , 2, ] <- greens
ijtiff::display(to_display)
## ----original tiff import-----------------------------------------------------
img <- tiff::readTIFF(path_2ch_ij, all = TRUE)
str(img) # 10 images
img[[1]][100:105, 50:55, 1] # print a section of the first image in the series
## ----ijtiff import------------------------------------------------------------
img <- ijtiff::read_tif(path_2ch_ij)
dim(img) # 2 channels, 2 frames
img[100:105, 50:55, 1, 1] # print a section of the first channel, first frame
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