Takes an RGB array/filename and writes it to file.
ray_write_image(image, filename, clamp = NA, ...)
3-layer RGB/4-layer RGBA array, rayimg
class, or filename of an image.
File to write to, with filetype determined by extension. Filetype can be
PNG
, JPEG
, TIFF
, or EXR
.
Default NA
, automatically determined. Whether to clamp the image to 0-1. If the file extension is PNG
of JPEG
,
this is forced to TRUE
.
Arguments to pass to either jpeg::writeJPEG
, png::writePNG
, or tiff::writeTIFF
.
A rayimg
RGBA array.
if(run_documentation()){
#Write as a png
tmparr = tempfile(fileext=".png")
ray_read_image(dragon) |>
ray_write_image(tmparr)
ray_read_image(tmparr) |>
plot_image()
}
#> Error in !gamma_corrected: invalid argument type
if(run_documentation()){
#Write as a JPEG (passing quality arguments via ...)
tmparr = tempfile(fileext=".jpg")
ray_read_image(dragon) |>
ray_write_image(tmparr, quality = 0.2)
ray_read_image(tmparr) |>
plot_image()
}
#> Error in !gamma_corrected: invalid argument type
if(run_documentation()){
#Write as a tiff
tmparr = tempfile(fileext=".tiff")
ray_read_image(dragon) |>
ray_write_image(tmparr)
ray_read_image(tmparr) |>
plot_image()
}
#> Warning: The input contains values outside the [0, 1] range - storage of such values is undefined
#> Warning: TIFFReadDirectory: Sum of Photometric type-related color channels and ExtraSamples doesn't match SamplesPerPixel. Defining non-color channels as ExtraSamples.