mapgl (version 0.2.1)

match_expr: Create a match expression

Description

This function generates a match expression that can be used to style your data.

Usage

match_expr(column = NULL, property = NULL, values, stops, default = "#cccccc")

Value

A list representing the match expression.

Arguments

column

The name of the column to use for the match expression. If specified, property should be NULL.

property

The name of the property to use for the match expression. If specified, column should be NULL.

values

A vector of values to match against.

stops

A vector of corresponding stops (colors, etc.) for the matched values.

default

A default value to use if no matches are found.

Examples

match_expr(
    column = "category",
    values = c("A", "B", "C"),
    stops = c("#ff0000", "#00ff00", "#0000ff"),
    default = "#cccccc"
)