[R] how to read a PSB file in R?

[Ranjan Maitra]

On Tue May20'25 05:56:59AM, Rui Barradas wrote:
> From: Rui Barradas <ruipbarradas using sapo.pt>
> Date: Tue, 20 May 2025 05:56:59 +0100
> To: Ranjan Maitra <mlmaitra using gmx.com>, r-help using r-project.org
> Subject: Re: [R] how to read a PSB file in R?
> 
> Às 03:17 de 20/05/2025, Ranjan Maitra via R-help escreveu:
> > I have come across this file (warning, massive, 4.3 GB)  https://esahubble.org/media/archives/images/original/heic1502a.psb and it appears to be a filetype I was not aware of previously.
> > 
> > Is it possible to read the file in R using any tool? It is an image and I am looking for the RGB of the file.
> > 
> > Many thanks and best wishes,
> > Ranjan
> > 
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> Hello,
> 
> Maybe this [1] will help. It seems that that file is well known to have
> problems due to its large size but ImageMagick might be able to handle it.
> And there is a magick package on CRAN [2].
> 
> 
> 
> [1] https://github.com/ImageMagick/ImageMagick/issues/5509
> [2]  https://CRAN.R-project.org/package=magick
> 
> Hope this helps,

Rui, 

Thanks, but ImageMagick has a 65000 limit in each of the dimensions (I was not aware about this earlier than today). This image in 69500 in the x extent.

I don't know that R's magick can override the ImageMagick limitation.

Best wishes,
Ranjan