Arrange grobs by parse their legend.

Description

Arrange grobs and parse their legend, then put it together on the right.

Usage

arrangeGrobByParsingLegend(..., nrow = NULL, ncol = NULL,
                           widths = c(4, 1), legend.idx = NULL)

Arguments

Value

a

Author(s)

Tengfei Yin

Examples

library(ggplot2)
p1 <- qplot(x = mpg, y= cyl, data = mtcars, color = carb)
p2 <- qplot(x = mpg, y= cyl, data = mtcars, color = wt)
p3 <- qplot(x = mpg, y= cyl, data = mtcars, color = qsec)
p4 <- qplot(x = mpg, y= cyl, data = mtcars, color = gear)
arrangeGrobByParsingLegend(p1, p2, p3, p4)
arrangeGrobByParsingLegend(p1, p2, p3, p4, ncol = 1)
arrangeGrobByParsingLegend(p1, p2, p3, p4, legend.idx = 2)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

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'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(ggbio)
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: 'BiocGenerics'

The following objects are masked from 'package:parallel':

    clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

The following objects are masked from 'package:stats':

    IQR, mad, xtabs

The following objects are masked from 'package:base':

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, cbind, colnames, do.call, duplicated, eval, evalq,
    get, grep, grepl, intersect, is.unsorted, lapply, lengths, mapply,
    match, mget, order, paste, pmax, pmax.int, pmin, pmin.int, rank,
    rbind, rownames, sapply, setdiff, sort, table, tapply, union,
    unique, unsplit

Loading required package: ggplot2
Need specific help about ggbio? try mailing 
 the maintainer or visit http://tengfei.github.com/ggbio/

Attaching package: 'ggbio'

The following objects are masked from 'package:ggplot2':

    geom_bar, geom_rect, geom_segment, ggsave, stat_bin, stat_identity,
    xlim

Warning message:
replacing previous import 'ggplot2::Position' by 'BiocGenerics::Position' when loading 'ggbio' 
> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/ggbio/arrangeGrobByParsingLegend.Rd_%03d_medium.png", width=480, height=480)
> ### Name: arrangeGrobByParsingLegend
> ### Title: Arrange grobs by parse their legend.
> ### Aliases: arrangeGrobByParsingLegend
> 
> ### ** Examples
> 
> library(ggplot2)
> p1 <- qplot(x = mpg, y= cyl, data = mtcars, color = carb)
> p2 <- qplot(x = mpg, y= cyl, data = mtcars, color = wt)
> p3 <- qplot(x = mpg, y= cyl, data = mtcars, color = qsec)
> p4 <- qplot(x = mpg, y= cyl, data = mtcars, color = gear)
> arrangeGrobByParsingLegend(p1, p2, p3, p4)
TableGrob (1 x 2) "arrange": 2 grobs
  z     cells    name            grob
1 1 (1-1,1-1) arrange gtable[arrange]
2 2 (1-1,2-2) arrange gtable[arrange]
> arrangeGrobByParsingLegend(p1, p2, p3, p4, ncol = 1)
TableGrob (1 x 2) "arrange": 2 grobs
  z     cells    name            grob
1 1 (1-1,1-1) arrange gtable[arrange]
2 2 (1-1,2-2) arrange gtable[arrange]
> arrangeGrobByParsingLegend(p1, p2, p3, p4, legend.idx = 2)
TableGrob (1 x 2) "arrange": 2 grobs
  z     cells    name            grob
1 1 (1-1,1-1) arrange gtable[arrange]
2 2 (1-1,2-2) arrange gtable[arrange]
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>