Should text size variables be allowed in view mode? By default FALSE, since in many applications, the main reason to vary text size is to prevent occlusion in plot mode, which is often not a problem in view mode due to the ability to zoom in.Ī bounding box (an sf bbox object, see st_bbox, or object that can be read by bb. Should symbol sizes be fixed while zooming? If set to 0, the projection of the master shape is used (see tm_shape) provided that a EPSG number can be extracted. Other standards are EPSG numbers 4326 (WGS84) and 3395 (Mercator). By default, the Web Mercator (3857) is used, since the vast majority of basemaps are rendered accordingly. Either a EPSG number, or a leaflet_crs object created with leafletCRS. For interactive maps, it can be useful to set colorNA to NULL, which means transparent. This colorNA argument (if not NA itself) overrides that default value. tm_fill), then the default color is taken from the na value of the aes.color argument in tm_layout. If the color of missing values is not defined in the layer functions (e.g. By default, it is set to 0.7 if basemaps are used, and 1 otherwise.ĭefault color for missing values in interactive mode. Transparency (opacity) parameter applied to whole map. The function tm_view overrides these options when specified. Some of these options can also be set with tm_layout, since they are style dependent (e.g., the choice of basemaps).
Set the options for the interactive tmap viewer. Options for the interactive tmap viewer Description
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