Tiles updater (shiny module)

Source: R/tilesUpdater.R

Creates a shiny module which uses leafletProxy to update tiles displayed on a leaflet map.

tilesUpdater(input, output, session, proxy, rctUrlTemplateSingleRaster,
  tilesGroup, addTilesParameters = NULL,
  addLayersControlParameters = NULL)

Arguments

input

shiny server input object
output

shiny server output object
session

shiny server session object
proxy

leaflet proxy which manages a connected leaflet map.
rctUrlTemplateSingleRaster

Reactive value which contains the URL template with the tiles (for a single raster) that should be added to the leaflet map as a result.
tilesGroup

Group of rasters/tiles we want to update.
addTilesParameters

Additional parameters of addTiles function. Parameters: proxy/map, urlTemplate and group should be provided directly as tilesUpdater arguments using proxy, urlTemplate and tilesGroup parameter respectively. If passed within addTilesParameters, these arguments will be suppressed by the values passed directly to tilesUpdater.
addLayersControlParameters

Additional parameters passed to addLayersControl.

Value

None. Invoked for the side-effect of sending information to leaflet proxy.

Note

This is a server-only module with no UI component.