R: Create the definition a filter effect.

registerFilter {gridSVG} | R Documentation

## Create the definition a filter effect.

### Description

A feature of SVG is that elements can be filtered using filter effects defined somewhere in the document. The purpose of this function is to create the definition of a filter effect so that it can be referred to by grobs drawn by gridSVG.

### Usage

    registerFilter(label, filter)

### Arguments

`label` | A character identifier for the definition.
`filter` | A `filter` object, produced by the `filterEffect` function.

### Details

When registering a filter, all locations and dimensions that filter effects refer to become fixed.

### Value

None.

### Author(s)

Simon Potter

### See Also

`grid.filter`, `filterEffect`.

[Package gridSVG version 1.6-0 Index]