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Begin forwarded message:
> From: Michael Muratet <murat...@gmail.com>
> Date: October 21, 2012 12:08:55 PM CDT
> To: r-help@r-project.org
> Subject: Navigating a grid.
>
> Greetings
>
> I am trying to make a multiple panel plot from a tool (genoPlotR) that is
> layered on grid. My code and session info are below. When I execute the code,
> I get a single plot in the center of the graphics page. I have tried various
> pop/push/down/seekViewport commands at the end of the plotpush method. There
> must be something I'm missing in the documentation, I believe what I have
> should work. I haven't been able to find a similar scenario in the help
> archives.
>
> Could I get someone to critique my code and help me figure out how to make
> multiple plots in columns and rows?
>
> Thanks
>
> Mike
>
> plotpush <- function(x,n,letter,row,column) {
>
> pushViewport(viewport(layout.pos.row=row,layout.pos.col=column,name=as.character(n)))
>
>
> plot_gene_map(dna_segs=list(x[["seg"]]),annotations=x[["annot"]],dna_seg_scale=T,
>
> scale_cex=1.4,dna_seg_line=F,plot_new=FALSE,scale=F,arrow_head_length=1,annotation_cex=1.4,
> main=toupper(letters[n]),main_pos="left"
> )
> popViewport(0)
> }
>
> pushViewport(viewport(layout = grid.layout(nrow=26,ncol=2)))
>
> sapply(repeats,plotpush,n=1:26,letter=1:26,row=1:26,col=1)
> sapply(repeats,plotpush,n=27:52,letter=1:26,row=1:26,col=2)
>
> > sessionInfo()
> R version 2.15.0 (2012-03-30)
> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] grid stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] GenomicFeatures_1.9.41 AnnotationDbi_1.19.38 Biobase_2.17.8
> GenomicRanges_1.9.65 IRanges_1.15.44 BiocGenerics_0.3.2
> [7] genoPlotR_0.8 ade4_1.4-17
>
> loaded via a namespace (and not attached):
> [1] biomaRt_2.13.2 Biostrings_2.25.12 bitops_1.0-4.1
> BSgenome_1.25.8 DBI_0.2-5 RCurl_1.91-1
> [7] Rsamtools_1.9.30 RSQLite_0.11.2 rtracklayer_1.17.19 stats4_2.15.0
> tools_2.15.0 XML_3.9-4
> [13] zlibbioc_1.3.0
> >
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