[R-SIG-Finance] quantmod - chart object (chob)

Stanley Chu chd850 at gmail.com
Sun Jun 19 17:49:23 CEST 2011

Hi Jeff & Brian,

Thanks for the reply. 

The idea is to be able to save the plot object for future reference, with minimal work to reproduce it, and to be able to use them freely in a document. For example, one may be able to use a viewport function to specify the layout. 
e.g. vplayout <- function(x, y) viewport(layout.pos.row = x, layout.pos.col = y), and use print(plot.list, vp = vplayout(x, y)) to place them in a document. Given a list of plot objects and defined "position" for each plot, the function should be able to render them accordingly in a document. 

I can probably use dev.copy2pdf and manually tile them, so no biggie. Thanks Jeff for your wonderful package(s). 


On Jun 19, 2011, at 6:48 PM, Jeffrey Ryan wrote:

> Stanley,
> As Brian replied - you _can_ - but the trick is to use the new version
> "chart_Series".  This creates single drawings with multiple 'panes'
> all within what R *thinks* is a single graphic - whereas the old code
> relied on layout internally - so was very difficult to use layout with
> an existing layout.
> It isn't very easy to build up a list to be plotted later though,
> should be workable I suppose - I just haven't tried or needed I guess.
> Best,
> Jeff
> On Fri, Jun 17, 2011 at 12:38 PM, Hungte (Stanley) Chu <chd850 at gmail.com> wrote:
>> Hi everyone,
>> I am curious that if I can collect a list of chob objects and later tile these plots in a pdf file. I have a function to handle this for r plot objects, but I am having trouble with chob. In simple words, print(chob) does not work. Can anyone point me a direction?
>> Thanks,
>> Stanley
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> Jeffrey Ryan
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