marker_icon

tmap_icons

character value/vector containing the file path(s) or url(s).

file

width of the icon. If <code>keep.asp</code>, this is interpreted as the maximum width.

width

height of the icon. If <code>keep.asp</code>, this is interpreted as the maximum height.

height

keep the aspect ratio of the png image. If <code>TRUE</code> and the aspect ratio differs from <code>width/height</code> either <code>width</code> or <code>height</code> is adjusted accordingly.

keep.asp

justification of the icons relative to the point coordinates.  The first value specifies horizontal and the second value vertical justification. Possible values are: <code>"left"</code> , <code>"right"</code>, <code>"center"</code>, <code>"bottom"</code>, and <code>"top"</code>. Numeric values of 0 specify left alignment and 1 right alignment. The default value of <code>just</code> is <code>c("center", "center")</code>.

just

if the <code>file</code> is a url, should it be saved to local temporary file?

as.local

arguments passed on to <code><a rd-options="leaflet:icons" href="/link/icons?package=tmap&version=1.6&to=leaflet%3Aicons" data-mini-rdoc="leaflet:icons::icons">icons</a></code>. When <code>iconWidth</code>, <code>iconHeight</code>, <code>iconAnchorX</code> and <code>iconAnchorY</code> are specified, they override <code>width</code> and <code>height</code>, and <code>just</code>.


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


Thematic maps are geographical maps in which spatial data distributions are visualized. This package offers a flexible, layer-based, and easy to use approach to create thematic maps, such as choropleths and bubble maps.

Martijn Tennekes

tmap

Thematic Maps

tmap_icons function

arguments passed on to <code><a rd-options='leaflet:icons' href='icons'>icons</a></code>. When <code>iconWidth</code>, <code>iconHeight</code>, <code>iconAnchorX</code> and <code>iconAnchorY</code> are specified, they override <code>width</code> and <code>height</code>, and <code>just</code>.

tmap_icons: Specify icons

Description

Usage

Arguments

Value

See Also