grImport2: grid.symbols – R documentation

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grid.symbols

Draw a Picture Object as Data Symbols

Description

These functions take a "Picture" object and either draw the picture at several locations or create a grid graphical object representing the picture (drawn at several locations).

Usage

symbolsGrob(picture,
            x = stats::runif(10), y = stats::runif(10),
            size = unit(1, "char"),
            default.units = "native",
            gpFUN = identity,
            ext = c("none", "clipbbox", "gridSVG"),
            prefix = NULL,
            ..., name = NULL)
grid.symbols(...)

Arguments

`picture`	A `"Picture"` object.
`x`	A numeric vector or unit object specifying x-locations.
`y`	A numeric vector or unit object specifying y-locations.
`size`	A numeric vector or unit object specifying symbol sizes.
`default.units`	A string indicating the default units to use if `x`, `y`, `width`, or `height` are only given as numeric vectors.
`gpFUN`	A function that takes a grid `gpar` object and returns a (possibly modified) `gpar` object.
`ext`	A character vector. Selects from one of three possible extensions for drawing imported pictures. `"none"` means that no clipping will be applied to the imported picture. `"clipbbox"` means that clipping will be applied, but only to the bounding boxes of any imported clipping paths. `"gridSVG"` means that gridSVG will be used when drawing the `"Picture"` object, which enables the use of complex clipping paths, gradients, patterns, etc. to be rendered from an imported picture.
`prefix`	A character string. A prefix to add to referenced gridSVG content (e.g. pattern fills). Only used when `gridSVG` is `TRUE`. The reference label must be a unique reference label, otherwise an error will result. This can be checked by calling gridSVG's `listSVGDefinitions()`. When this parameter is `NULL`, a prefix will automatically be generated but this is not guaranteed to be unique.
`...`	For `grid.symbols()`, arguments to be passed onto `symbolsGrob()`. For `symbolsGrob()`, additional parameters to be passed onto the `picture`'s `grobify` method.
`name`	A character identifier.

Value

A grid grob.

Author(s)

Simon Potter

grid.symbols

Description

Usage

Arguments

Value

Author(s)

See Also

grImport2

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