[Rd] Adding text comments to graphics device output files?

[Simon Urbanek]

On Jul 30, 2013, at 11:04 PM, Duncan Temple Lang wrote:

> 
> Hi Henrik
> 
> I have some extensions of Simon U's png package
> to read and write metadata elements for PNG.
> They are at
>   https://github.com/duncantl/png.git
> 
> When I have time to completely test them, maybe Simon
> may incorporate them.
> 

I was looking at it and it was the last drop that made me push most of my packages to github so you don't need to fork by hand anymore ;). It's on my ToDo list to add port the changes one way or another - I think it's a good idea - thanks Duncan!

Cheers,
Simon



>  D.
> 
> On 7/30/13 7:59 PM, Henrik Bengtsson wrote:
>> Hi,
>> 
>> several image file format supports textual/meta data comments in one
>> way or the other.  For me an obvious usage would be to add
>> sessionInfo() information to PNG and PDF image files, ideally from
>> within R although external tools would work as well(*).  Has anyone
>> looked into this or have any suggestions or comments?
>> 
>> /Henrik
>> 
>> (*) One could even imagine including self-contained R
>> scripts/vignettes within such comments.
>> 
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