valid.just

0th

Percentile

Validate a Justification

Utility functions for determining whether a justification specification is valid and for resolving a single justification value from a combination of character and numeric values.

Keywords
dplot
Usage
valid.just(just) resolveHJust(just, hjust) resolveVJust(just, vjust)
Arguments
just
A justification either as a character value, e.g., "left", or as a numeric value, e.g., 0.
hjust
A numeric horizontal justification
vjust
A numeric vertical justification
Details

These functions may be useful within a validDetails method when writing a new grob class.

Value

A numeric representation of the justification (e.g., "left" becomes 0, "right" becomes 1, etc, ...). An error is given if the justification is not valid.

Aliases
  • valid.just
  • resolveHJust
  • resolveVJust
Documentation reproduced from package grid, version 3.1.0, License: Part of R 3.1.0

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