How to hide/toggle legends with layer controls in Leaflet for R

How do I add a legend to a leaflet in R?

Use the addLegend function to add a legend. The easiest way to use addLegend is to provide pal (a palette function, as generated from colorNumeric et al.) and values , and let it calculate the colors and labels for you.

How do I delete a layer in leaflet?

WMS tile layers are extensions of tile layers, so they can also be removed or cleared via removeTiles() or clearTiles() . leaflet documentation built on March 24, 2022, 1:05 a.m.
 

How to use leaflet R?

Basic Usage

1. Create a map widget by calling leaflet() .
2. Add layers (i.e., features) to the map by using layer functions (e.g. addTiles , addMarkers , addPolygons ) to modify the map widget.
3. Repeat step 2 as desired.
4. Print the map widget to display it.

How do I customize legend in R?

Key R functions to change ggplot legends:

1. p + labs(). Change legend title.
2. p + theme(…). Change legend theme: background color, legend box border, font size and color.
3. p + scale_x_discrete(limits = c(“2”, “0.5”, “1”)).
4. p + scale_fill_discrete(name = “Dose”, labels = c(“A”, “B”, “C”)).
5. guides().

How do you add a layer to a legend?

Add a legend

1. Open a layout with at least one map frame.
2. Select the map frame in the Contents pane.
3. Optionally, expand the map in the Contents pane to select a subset of layers.
4. On the Insert tab, in the Map Surrounds group, click the Legend button .
5. On the layout view, click and drag to create the legend.

How do I remove a layer mask?

right-click on the layer and select Layer Mask > Remove Mask from the dropdown menu.

How do I Delete a layer mask?

2) Deleting Layer Masks



Target the mask on the Layers panel and click the Trash icon to delete a layer mask. Or, Control -click (Mac) | right -click (Win) on the layer mask to choose between Delete Layer Mask or Apply Layer Mask from the context sensitive menu.
 

Can you remove Layers?

Control-click a layer or group in the Layers list, then choose Cut or Delete from the shortcut menu. Select a layer or group in the Layers list, then choose Edit > Delete (or press Delete) or Edit > Cut. The layer or group is removed.

How do you add a legend to a graph in R?

In R you can add a legend to any plot using the legend() command. You can also use the legend = TRUE parameter in the barplot() command. The barplot() command is the only general plot type that has a legend parameter (the others need a separate legend).
 

How do I add a legend to a map in R?

For simple use, simply use addLegend=TRUE in a rworldmap map function. Or users can call addMapLegend seperately to fine tune the legend.

How do I add a legend to a flowchart?

On the Data tab, in the Display Data group, click the arrow next to Insert Legend. Click Horizontal or Vertical, depending on which direction you would like the legend to run.