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Map component that adds a title

Usage

tm_title(
  text,
  size,
  color,
  padding,
  fontface,
  fontfamily,
  alpha,
  stack,
  just,
  frame,
  frame.color,
  frame.alpha,
  frame.lwd,
  frame.r,
  bg,
  bg.color,
  bg.alpha,
  position,
  group_id,
  width,
  height,
  z
)

tm_title_in(text, ..., position = tm_pos_in("left", "top"))

tm_title_out(text, ..., position = tm_pos_out("center", "top"))

Arguments

text

text

size

font size

color

font color

padding

padding

fontface

font face, bold, italic

fontfamily

font family

alpha

alpha transparency of the text

stack

stack with other map components, either "vertical" or "horizontal".

just

just

frame

frame should a frame be drawn?

frame.color

frame color

frame.alpha

frame alpha transparancy

frame.lwd

frame line width

frame.r

Radius of the rounded frame corners. 0 means no rounding.

bg

Show background?

bg.color

Background color

bg.alpha

Background transparency

position

The position specification of the component: an object created with tm_pos_in() or tm_pos_out(). Or, as a shortcut, a vector of two values, specifying the x and y coordinates. The first is "left", "center" or "right" (or upper case, meaning tighter to the map frame), the second "top", "center" or "bottom". Numeric values are also supported, where 0, 0 means left bottom and 1, 1 right top. See also vignette about positioning. In case multiple components should be combined (stacked), use group_id and specify component in tm_comp_group().

group_id

Component group id name. All components (e.g. legends, titles, etc) with the same group_id will be grouped. The specifications of how they are placed (e.g. stacking, margins etc.) are determined in tm_comp_group() where its argument id should correspond to group_id.

width, height

width and height of the component.

z

z index, e.g. the place of the component relative to the other componets

...

passed on to tm_title()