tmap_format: Get or add format options

In mtennekes/tmap: Thematic Maps

Get or add format options

Description

Format options are tmap options that are shape dependent. With tmap_format() the predefined formats can be retrieved. The values for a specific format can be retrieved with tmap_format(format), where format is the name of the format. The function tmap_format_add is used to add a format.

Usage

tmap_format(format)

tmap_format_add(..., name)

Arguments

format	name of the format. Run tmap_format() to see the choices.
...	options from tm_layout or tm_view. Can also be a list of those options.
name	name of the new format.

Value

the function tmap_format() returns the names of the available formats. When format is defined, it returns the option list corresponding the that format.

See Also

tm_layout for predefined styles, tmap_style_catalogue to create a style catalogue of all available styles, and tmap_options for tmap options.

tmap_options for tmap options

Examples

# available formats
tmap_format()

# create option list to be used as a new format
World_small <- tmap_format("World")
World_small$scale <- 2

# add format
tmap_format_add(World_small, name = "World_small")

# observe that World_small is successfully added:
tmap_format()

data(World)

qtm(World, fill="HPI", format="World_small")

mtennekes/tmap documentation built on Aug. 31, 2022, 7:49 p.m.