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leaflet (development version)

  • Color palette improvements. All color palette functions now support all {viridisLite} palettes ("magma", "inferno", "plasma", "viridis", "cividis", "rocket", "mako", and "turbo") (@jack-davison, #924).

  • Updated vignettes to replace {sp}/{raster} usage with {sf}/{terra} and their corresponding examples. (@jack-davison, #928)

  • Updated vignettes to replace {sp}/{raster} usage with {sf}/`{terra} and their corresponding examples. (@jack-davison, #928)

  • addProviderTiles() will now error if the chosen provider does not match any currently loaded provider (by default, those in providers). This behaviour can be toggled off by setting the new check argument to FALSE (@jack-davison, #929)

leaflet 2.2.2

  • Fixed #893: Correctly call terra::crs() when checking the CRS of a SpatVector object in pointData() or polygonData() (thanks @mkoohafkan, #894).

  • {leaflet} now has a brand new pkgdown site (@olivroy, #902)

  • Replace {viridis} dependency by {viridisLite} (@olivroy, #897)

  • addRasterImage now takes options = gridOptions(), so that arbitrary Leaflet layer options can be controlled. (#692)

leaflet 2.2.1

  • When addProviderTiles() is used with {leaflet.providers} version 2.0.0 or later, the leaflet-providers HTML dependency produced can be correctly cached by knitr. When used with older versions of {leaflet.providers}, the HTML dependency uses temp files that break knitr's caching mechanism (thanks @qdread, @jaredlander; #884).

leaflet 2.2.0

Features

  • Added support for SpatRaster and SpatVector objects from the terra package. (#728)

  • leaflet() now uses jQuery 3.6.0 provided via the {jquerylib}package. As a result of this change, the HTML dependencies for leaflet() are included in the dependencies item of the htmlwidget object it returns. (#817, #821)

Bug fixes and improvements

  • Use correct license in OpenStreetMap attribution. (#811)

  • Use xfun::base64_uri() for base64 encoding instead of markdown and base64enc. (#823)

  • Remove dependencies on rgdal and rgeos. (#837)

  • Respect option scrollWheelZoom=FALSE. (#827)

  • Fixed #866: Correctly call terra::has.RGB() in addRasterImage() for a SpatRaster object. (#869)

leaflet 2.1.2

Bug fixes and improvements

  • Removed S3 warnings found on R devel (#848)

leaflet 2.1.1

Bug fixes and improvements

  • The default marker icon for addMarkers no longer worked, due to the CDN we were relying on apparently being retired. Fixed by pointing to a new CDN. (#782)

  • New behavior from tile.openstreetmap.org caused addTiles default tileset to break when viewed under non-https protocol on recent versions of Chrome. Fixed by always using the https protocol to connect to openstreetmap. (#786)

leaflet 2.1.0

Bug fixes and improvements

  • Enable JS function literals (wrapped in htmlwidgets::JS()) to be included in arguments to methods invoked on leafletProxy objects. (JS function literals could already be included with methods invoked on leaflet objects, so this change just brings leafletProxy to parity.) (#420)

  • Add missing CSS rule to show <img> in right-pane and left-pane (rstudio/rmarkdown#1949, #770)

  • Allow for hidden but not suspended leaflet maps to queue calls (such as add raster images) until they are rendered. If a new leaflet map is created, all pending calls are removed. (#771)

leaflet 2.0.4.1

Features

  • Updated proj4.js to 2.6.2

Bug fixes and improvements

  • Minor tweaks to example data and tests, required to stay on CRAN

  • Fixes broken URL (#742) and updated examples to run from system files (#576) including updated .Rmd and .html docs.

leaflet 2.0.3

Breaking changes

  • data("providers") and data("providers.details") no longer exist. Please use leaflet::providers and leaflet::providers.details. (#636)

Bug fixes and improvements

  • Integrated data from leaflet.providers package. See leaflet.providers for details. (#636)
  • Fixed rstudio/crosstalk#58, which caused Leaflet maps that used Crosstalk shared data in Shiny apps, to be redrawn at incorrect times.
  • invokeRemote() now resolves html dependencies before passing them to shiny::createWebDependency() (#620).
  • Upgrade leaflet-provider to 1.4.0, enable more map variants such as CartoDB.Voyager (#567)
  • sf objects with names attributes in the st_geometry now visualise correctly (#595)
  • GeoJSON objects missing properties can now be displayed (#622)

leaflet 2.0.2

Bug fixes and improvements

  • Require viridis >= 0.5.1 to avoid namespace issues with viridisLite (#557)
  • Fixed broken mouse events after using leaflet-search from leaflet.extras within shiny applications (#563)
  • Use leaflet namespace on providers in addMiniMap to make the function accessible in other packages. Fixes r-tmap/tmap#231. (#568)
  • Require scales >= 1.0.0 to avoid exact color matching issues (#578)

leaflet 2.0.1

Features

  • Added method addMapPane to add custom pane layers to have fine tune control over layer ordering. New feature from within leaflet.js v1.x. (#549)
  • Exposed htmlwidgets sizingPolicy in leaflet() (#548)

Bug fixes and improvements

  • Default marker icon locations will now use unpkg.com instead of the leaflet cdn when using https or file protocols. (#544)
  • .leaflet-map-pane z-index switched to 'auto'. Allows for map panes to appear above the map if they appear later in the dom. (#537)
  • Use correct Leaflet.js scale control remove method. (#547)
  • Start from world view if using flyTo or flyToBounds. (#552)

leaflet 2.0.0

Breaking changes

Bug fixes and features

  • Relative protocols are used where possible when adding tiles (#526). In RStudio 1.1.x on Linux and Windows, a known issue of 'https://' routes fail to load, but works within browsers (rstudio/rstudio#2661).

  • Added more providers for addProviderTiles(): "OpenStreetMap.CH", "OpenInfraMap", "OpenInfraMap.Power", "OpenInfraMap.Telecom", "OpenInfraMap.Petroleum", "OpenInfraMap.Water", "OpenPtMap", "OpenRailwayMap", "OpenFireMap", "SafeCast". (4aea447)

  • L.multiPolyline was absorbed into L.polyline, which accepts multiple an array of polyline information. https://web.archive.org/web/20220702182250/https://leafletjs.com/reference-1.3.4.html#polyline. (#515)

  • Fix bug where icons where anchored to the top-center, not center-center (2a60751)

  • Fix bug where markers would not appear in self contained knitr files (cc79bc3)

  • leaflet-label plugin now L.tooltip in leaflet.js. labelOptions() now translates old options clickable to interactive and noHide to permanent.

  • Fix a bug where the default addTiles() would not work with .html files served directly from the filesystem.

  • Add groupOptions function. Currently the only option is letting you specify zoom levels at which a group should be visible.

  • Fix bug with accessing columns in formulas when the data source is a Crosstalk SharedData object wrapping a spatial data frame or sf object.

  • Fix strange wrapping behavior for legend, especially common for Chrome when browser zoom level is not 100%.

  • Fix incorrect opacity on NA entry in legend. (PR #425)

  • Added support for drag events (#405)

  • Ensure type safety of .indexOf(stamp) (#396)

  • validateCoords() warns on invalid polygon data (#393)

  • Added method argument to addRasterImage() to enable nearest neighbor interpolation when projecting categorical rasters (#462)

  • Added an 'auto' method for addRasterImage(). Projected factor results are coerced into factors. (9accc7e)

  • Added data parameter to remaining addXXX() methods, including addLegend. (f273edd, #491, #485)

  • Added preferCanvas argument to leafletOptions() (#521)

leaflet 1.1.0

  • Add support for sf. sf, sfc, and sfg classes are supported with POINT, LINESTRING, MULTILINESTRING, POLYGON, and MULTIPOLYGON geometries (note that MULTIPOINT is not currently supported).

  • Added support for Crosstalk (https://rstudio.github.io/crosstalk/).

  • Added option to highlight polygons, polylines, circles, and rectangles on hover (use highlightOptions parameter).

  • Fix behavior when data contains NA points, or zero rows. Previously this would cause an error.

  • Added popupOptions parameter to all markers and shape layers.

  • Upgraded existing plugins to their respective latest versions and added missing/new functionality from those plugins. (PR #293)

  • Added Proj4Leaflet plugin (PR #294).

  • Added EasyButton plugin (PR #295).

  • Added Graticule plugin (PR #293).

  • Color palette improvements. All color palette functions now support viridis palettes ("viridis", "magma", "inferno", and "plasma").

  • Color palette functions now support reversing the order in which colors are used, via reverse=TRUE.

  • colorFactor() no longer interpolates qualitative RColorBrewer palettes, unless the number of factor levels being mapped exceeds the number of colors in the specified RColorBrewer palette. (Issue #300)

  • Upgrade leaflet.js to 0.7.7.1 (PR #359)

  • Added a way for the Map instance to be instantiated via a factory.

leaflet 1.0.2

  • When used with leafletProxy, fitBounds did not return its input object as output, so magrittr chains would break after fitBounds was called.

  • Add addMeasure()/removeMeasure() functions to allow users to measure lines and areas, via the leaflet-measure plugin by @ljagis. (PR #171. Thanks, Kenton Russell!)

  • Add input${mapid}_center Shiny event.

  • Add support for labels on most layers, that show either statically or on hover. (PR #181. Thanks Bhaskar Karambelkar!)

  • Add support for markers with configurable colors and icons, via the Leaflet.awesome-markers plugin by @lvoogdt. See ?addAwesomeMarkers. (PR #184. Great work, Bhaskar!)

  • Add support for the Leaflet.Terminator plugin by @joergdietrich. Overlays day and night regions on a map. See ?addTerminator. (PR #184, thanks Bhaskar!)

  • Add support for Leaflet.SimpleGraticule plugin by @ablakey. See ?addSimpleGraticule. (PR #184, thanks again Bhaskar!)

  • Add support for Leaflet.MagnifyingGlass plugin by @bbecquet. Adds a configurable magnifying glass that displays the area under the cursor at an increased zoom level. See ?addMagnifyingGlass. (PR #184, still Bhaskar!)

  • Add support for Leaflet-MiniMap plugin by @Norkart. Adds a mini map to the corner that can be used to see or change the bounds of the main map. See ?addMiniMap. (PR #184, Bhaskar again!)

  • addScaleBar and related functions added, for showing Leaflet's built-in scale bar in one of the corners of the map. (PR #201. Thanks Kent Johnson!)

leaflet 1.0.1

  • Fix #242: Compatibility with htmlwidgets 0.6 (thanks byzheng).

leaflet 1.0.0

  • Initial release