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Combine ggplot2 aesthetics

Source: R/gg_param.R
combine_aes.Rd

Utility for combining ggplot2 aes lists. Uses the last provided value when aes names overlap.

Usage

combine_aes(..., warn_duplicates = TRUE)

Arguments

...

one or more objects of class uneval (output from ggplot2::aes())

warn_duplicates

logical. Warn when aes names overlap

Value

uneval object

See also

Other ggplot2 plotting wrangling functions: gg_param()

Examples

a <- ggplot2::aes(a = a1, b = b1, c = c1)
b <- ggplot2::aes(x = x1, y = y1, a = a2, c = c2)

# warnings turned off
combine_aes(a, b, warn_duplicates = FALSE) # b values used for a,c
#> $b
#> <quosure>
#> expr: ^b1
#> env:  0x557a4f3239c0
#> 
#> $x
#> <quosure>
#> expr: ^x1
#> env:  0x557a4f3239c0
#> 
#> $y
#> <quosure>
#> expr: ^y1
#> env:  0x557a4f3239c0
#> 
#> $a
#> <quosure>
#> expr: ^a2
#> env:  0x557a4f3239c0
#> 
#> $c
#> <quosure>
#> expr: ^c2
#> env:  0x557a4f3239c0
#> 
#> attr(,"class")
#> [1] "uneval"
combine_aes(b, a, warn_duplicates = FALSE) # a values used for a,c
#> $x
#> <quosure>
#> expr: ^x1
#> env:  0x557a4f3239c0
#> 
#> $y
#> <quosure>
#> expr: ^y1
#> env:  0x557a4f3239c0
#> 
#> $a
#> <quosure>
#> expr: ^a1
#> env:  0x557a4f3239c0
#> 
#> $b
#> <quosure>
#> expr: ^b1
#> env:  0x557a4f3239c0
#> 
#> $c
#> <quosure>
#> expr: ^c1
#> env:  0x557a4f3239c0
#> 
#> attr(,"class")
#> [1] "uneval"