[R] dev.new() within a loop {SOLVED]

[David Winsemius]

In a private communication this poster has indicated that he  
eventually found the answer by Googling the question. (The solution  
was as described in the FAQ.)

-- 
David.


On Nov 13, 2011, at 5:21 AM, Giovanni Azua wrote:

> Hello David,
>
> On Nov 13, 2011, at 5:20 AM, David Winsemius wrote:
>>> However, when executing plot_raw which invokes dev.new(..) all  
>>> windows come out blank whereas if I execute each file outside of a  
>>> loop then I can see the plots properly.
>>
>> Perhaps ...(you did not say what package this plot_raw function  
>> comes from) ...  Read the FAQ about why lattice plot don't print.  
>> (It applies to all grid based plotting functions.)
>>
> plot_raw is my own function which just calls ggplot2. So basically I  
> am not using Lattice.
>
> What can I do differently to avoid the new windows coming back empty?
>
> Thanks in advance,
> Best regards,
> Giovanni
>
> plot_raw <-  
> function(data,connect=TRUE,y_break=500,y_top=-1,label="") {
> 	dev.new()
> 	title <- paste(label, sep="")
> 	if (y_top == -1) {
> 		y_top <- max(data$Y)		
> 	}
> 	
> 	if (!decouple) {
> 		# add fake group
> 		data$Workload <- 'All'
> 	}
> 	
> 	p <-  
> ggplot 
> (data,aes(x=Time,y=Y,group=Workload,shape=Workload,colour=Workload)) +
> 		geom_point(fill="white", size=3) +  
> scale_y_continuous(breaks=seq(0,max(data$Y),y_break), limits=c(0,  
> y_top)) + 	
> 		scale_y_continuous(breaks=seq(0,y_limit_top(data$Y,data$se),  
> y_break_step(data$Y,data$se)),
> 				limits=c(0, y_limit_top(data$Y,data$se))) +
>    	opts(title=title) + theme_bw() +
>    	scale_x_continuous(breaks=data$Time, labels=as.character(data 
> $Time))		
>
>    if (connect) {
>    	p + geom_line()
>    } else {
>    	p
>    }
> }
> 	[[alternative HTML version deleted]]
>
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David Winsemius, MD
West Hartford, CT