[R-pkg-devel] plot graph (png, svg, eps, pdf, vdx, ok tikz) to device

[Rainer M. Krug]

Von meinem iPhone gesendet

> Am 15.05.2018 um 13:54 schrieb Johannes Ranke <johannes.ranke at jrwb.de>:
> 
> Hi,
> 
> have a look at the grImport package. It can import eps, so at least you get a 
> vector based graph. 

Sounds interesting- I’ll check it out tomorrow and report back if it works well. 

> 
> Alternatively, you may want to check grImport2 which imports svg.
> 
> Kind regards,
> 
> Johannes
> 
> Am Dienstag, 15. Mai 2018, 13:22:16 CEST schrieb Rainer Krug:
>> Hi
>> 
>> I asked the question at stack exchange yesterday (
>> https://stackoverflow.com/q/50325139/632423 ) and did not get a response so
>> far, so I repost it here:
>> 
>> ####
>> 
>> I have the following situation: I use an external command (plantuml -
>> http://plantuml.com/ ) to create a graph. This is done via R by using a
>> (my) package ( https://github.com/rkrug/plantuml ). The resulting graph can
>> be a file (png, svg, eps, pdf, vdx or LaTeX/Tikz with or without preamble)
>> or I can send the image to stdout, using the same formats.
>> 
>> Now I want to plot this graph as R-like as possible, i.e. in a graphic
>> device. At the moment I am using a temporary file, which I display using
>> readPNG() and grid::grid.raster() which works, but I am not that happy with
>> this approach as
>> 
>>    • I have to use a temporary file which I would like to avoid, and
>>    • it is a raster format and I would prefer a vector format.
>> 
>> My question is therefore:
>> 
>>    • Is there a way to display any of the vector formats in a graphics device
>> in R? • Can I pipe stdout (the result from the call to plantuml) directly
>> into the device (or through any function) without having to create an
>> intermediate file?
>> 
>> ####
>> 
>> Thanks for any [pointers,
>> 
>> Rainer
>> 
>> 
>> --
>> Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology,
>> UCT), Dipl. Phys. (Germany)
>> 
>> University of Zürich
>> 
>> Cell:       +41 (0)78 630 66 57
>> email:      Rainer at krugs.de
>> Skype:      RMkrug
>> 
>> PGP: 0x0F52F982
> 
> 
> -- 
> Johannes Ranke
> Wissenschaftlicher Berater
> https://jrwb.de/contact