[R] [FORGED] Re: Display time of PDF plots

Paul Murrell p@u| @end|ng |rom @t@t@@uck|@nd@@c@nz
Mon Sep 3 21:32:49 CEST 2018


Hi

Another option is to just rasterize the points (but leave the rest of 
the plot vector).  See ...

https://www.stat.auckland.ac.nz/~paul/Reports/rasterize/rasterize.html

Paul

On 04/09/18 06:20, Bert Gunter wrote:
> 1. Plot a random sample of the points (e.g. of rows of matrix/dataframe
> containing "x" and "y" columns
> 
> 2. See the hexbin package
> 
> 3. Check out the graphics taskview on cran:
> https://cran.r-project.org/web/views/Graphics.html
> (though it may be somewhat dated by now)
> 
> 4. Internet search:  e.g. on "display scatterplots with thousands of
> points"
> typical hit:
> https://stackoverflow.com/questions/7714677/scatterplot-with-too-many-points
> 
> 5. Search/Post on stats.stackexchange.com instead.
> 
> -- Bert
> 
> Bert Gunter
> 
> "The trouble with having an open mind is that people keep coming along and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
> 
> 
> On Mon, Sep 3, 2018 at 10:45 AM Rich Shepard <rshepard using appl-ecosys.com>
> wrote:
> 
>>     This may be an inappropriate forum for this question. If so, please
>> point
>> me in a better direction.
>>
>>     A current project includes scatter plots with thousands of points. Saved
>> as PDF files they display slowly using a pdf viewer or when included in the
>> PDF output of a LaTeX document.
>>
>>     Is there a process by which these plots can be 'thinned' so they show
>> the
>> same overall patterns but with fewer points so they display more quickly?
>>
>>     Rasterizing them to .jpg files using 'convert' allows them to load
>> immediately, but the bit-mapped resolution is, of course, much lower than
>> the vector PDF format.
>>
>> Rich
>>
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> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>




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