Tmap Navigation

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Karmen Mcarthun

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Aug 3, 2024, 6:16:27 PM8/3/24

to lerbpershungazp

I am trying to make a map with the cool tmap package and I cannot figure it out how to adjust the legend frame line width. I checked the impressive list of tm_layout arguments, but the closest I found was frame.lwd However,that refers to the frame of the map. I took the guess with legend.frame.lwd but that is not defined. Here is a toy example:

Arrange small multiples in a grid layout. Normally, small multiples are created by specifying multiple variables for one aesthetic or by specifying the by argument (see tm_facets). This function can be used to arrange custom small multiples in a grid layout.

aspect ratio. The aspect ratio of each map. Normally, this is controlled by the asp argument from tm_layout (also a tmap option). This argument will overwrite it, unless set to NULL. The default value for asp is 0, which means that the aspect ratio is adjusted to the size of the device divided by the number of columns and rows. When asp is set to NA, which is also the default value for tm_layout, the aspect ratio will be adjusted to the used shapes.

The global option tmap.limits controls the limit of the number of facets that are plotted. By default, tmap_options(tmap.limits=c(facets.view=4, facets.plot=64)). The maximum number of interactive facets is set to four since otherwise it may become very slow.

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