tmap: tmap_icons – R documentation

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tmap_icons

Specify icons

Description

Specifies icons from a png images, which can be used as markers in thematic maps. The function marker_icon is the specification of the default marker.

Usage

tmap_icons(
  file,
  width = 48,
  height = 48,
  keep.asp = TRUE,
  just = c("center", "center"),
  as.local = TRUE,
  ...
)

marker_icon()

Arguments

`file`	character value/vector containing the file path(s) or url(s).
`width`	width of the icon. If `keep.asp`, this is interpreted as the maximum width.
`height`	height of the icon. If `keep.asp`, this is interpreted as the maximum height.
`keep.asp`	keep the aspect ratio of the png image. If `TRUE` and the aspect ratio differs from `width/height` either `width` or `height` is adjusted accordingly.
`just`	justification of the icons relative to the point coordinates. The first value specifies horizontal and the second value vertical justification. Possible values are: `"left"` , `"right"`, `"center"`, `"bottom"`, and `"top"`. Numeric values of 0 specify left alignment and 1 right alignment. The default value of `just` is `c("center", "center")`.
`as.local`	if the `file` is a url, should it be saved to local temporary file?
`...`	arguments passed on to `icons`. When `iconWidth`, `iconHeight`, `iconAnchorX` and `iconAnchorY` are specified, they override `width` and `height`, and `just`.

Value

icon data (see icons)

tmap_icons

Description

Usage

Arguments

Value

See Also

tmap

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