Choropleth
The data that describes the choropleth value-to-color mapping is set in z
.
The geographic locations corresponding to each value in z
are set in locations
.
-
Corresponding Plotly trace type.
Declaration
Swift
public let type: String
-
Switch indicating whether the trace supports animation of its data.
Declaration
Swift
public static var animatable: Bool { get }
-
Determines whether or not this trace is visible.
If legendonly, the trace is not drawn, but can appear as a legend item (provided that the legend itself is visible).
Declaration
Swift
public var visible: Visible?
-
Sets the legend group for this trace.
Traces part of the same legend group hide/show at the same time when toggling legend items.
Declaration
Swift
public var legendGroup: String?
-
Sets the trace name.
The trace name appear as the legend item and on hover.
Declaration
Swift
public var name: String?
-
Assign an id to this trace, Use this to provide object constancy between traces during animations and transitions.
Declaration
Swift
public var uid: String?
-
Assigns id labels to each datum.
These ids for object constancy of data points during animation. Should be an array of strings, not numbers or any other type.
Declaration
Swift
public var ids: [String]?
-
Assigns extra data each datum.
This may be useful when listening to hover, click and selection events. Note that, scatter traces also appends customdata items in the markers DOM elements
Declaration
Swift
public var customData: [String]?
-
Assigns extra meta information associated with this trace that can be used in various text attributes.
Attributes such as trace
name
, graph, axis and colorbartitle.text
, annotationtext
rangeselector
,updatemenues
andsliders
label
text all supportmeta
. To access the tracemeta
values in an attribute in the same trace, simply use%{meta[i]}
wherei
is the index or key of themeta
item in question. To access tracemeta
in layout attributes, use%{data[n[.meta[i]}
wherei
is the index or key of themeta
andn
is the trace index. -
Array containing integer indices of selected points.
Has an effect only for traces that support selections. Note that an empty array means an empty selection where the
unselected
are turned on for all points, whereas, any other non-array values means no selection all where theselected
andunselected
styles have no effect.Declaration
Swift
public var selectedPoints: Anything?
-
Undocumented
Declaration
Swift
public var hoverLabel: HoverLabel?
-
Undocumented
Declaration
Swift
public var stream: Stream?
-
Undocumented
Declaration
Swift
public var transforms: [Transform]
-
Controls persistence of some user-driven changes to the trace:
constraintrange
inparcoords
traces, as well as someeditable: true
modifications such asname
andcolorbar.title
.Defaults to
layout.uirevision
. Note that other user-driven trace attribute changes are controlled bylayout
attributes:trace.visible
is controlled bylayout.legend.uirevision
,selectedpoints
is controlled bylayout.selectionrevision
, andcolorbar.(x|y)
(accessible withconfig: {editable: true}
) is controlled bylayout.editrevision
. Trace changes are tracked byuid
, which only falls back on trace index if nouid
is provided. So if your app can add/remove traces before the end of thedata
array, such that the same trace has a different index, you can still preserve user-driven changes if you give each trace auid
that stays with it as it moves.Declaration
Swift
public var uiRevision: Anything?
-
Sets the coordinates via location IDs or names.
See
locationmode
for more info.Declaration
Swift
public var locations: LocationsData?
-
Determines the set of locations used to match entries in
locations
to regions on the map.Values ISO-3, USA-states, country names correspond to features on the base map and value geojson-id corresponds to features from a custom GeoJSON linked to the
See moregeojson
attribute.Declaration
Swift
public enum LocationMode : String, Encodable
-
Determines the set of locations used to match entries in
locations
to regions on the map.Values ISO-3, USA-states, country names correspond to features on the base map and value geojson-id corresponds to features from a custom GeoJSON linked to the
geojson
attribute.Declaration
Swift
public var locationMode: LocationMode?
-
Sets the color values.
Declaration
Swift
public var z: ZData?
-
Sets optional GeoJSON data associated with this trace.
If not given, the features on the base map are used. It can be set as a valid GeoJSON object or as a URL string. Note that we only accept GeoJSONs of type FeatureCollection or Feature with geometries of type Polygon or MultiPolygon.
Declaration
Swift
public var geoJson: Anything?
-
Sets the key in GeoJSON features which is used as id to match the items included in the
locations
array.Only has an effect when
geojson
is set. Support nested property, for example properties.name.Declaration
Swift
public var featureIDKey: String?
-
Sets the text elements associated with each location.
Declaration
Swift
public var text: Data<String>?
-
Undocumented
See moreDeclaration
Swift
public struct Marker : Encodable
-
Undocumented
Declaration
Swift
public var marker: Marker?
-
Undocumented
See moreDeclaration
Swift
public struct Selected : Encodable
-
Undocumented
Declaration
Swift
public var selected: Selected?
-
Undocumented
See moreDeclaration
Swift
public struct Unselected : Encodable
-
Undocumented
Declaration
Swift
public var unselected: Unselected?
-
Determines which trace information appear on hover.
If
See morenone
orskip
are set, no information is displayed upon hovering. But, ifnone
is set, click and hover events are still fired.Declaration
Swift
public struct HoverInfo : OptionSet, Encodable
-
Determines which trace information appear on hover.
If
none
orskip
are set, no information is displayed upon hovering. But, ifnone
is set, click and hover events are still fired.Declaration
Swift
public var hoverInfo: HoverInfo?
-
Template string used for rendering the information that appear on hover box.
Note that this will override
hoverinfo
. Variables are inserted using %{variable}, for example “y: %{y}”. Numbers are formatted using d3-format’s syntax %{variable:d3-format}, for example “Price: %{y:$.2f}”. https://github.com/d3/d3-3.x-api-reference/blob/master/Formatting.md#d3_format for details on the formatting syntax. Dates are formatted using d3-time-format’s syntax %{variable|d3-time-format}, for example “Day: %{2019-01-01|%A}”. https://github.com/d3/d3-time-format#locale_format for details on the date formatting syntax. The variables available inhovertemplate
are the ones emitted as event data described at this link https://plotly.com/javascript/plotlyjs-events/#event-data. Additionally, every attributes that can be specified per-point (the ones that arearrayOk: true
) are available. Anything contained in tag<extra>
is displayed in the secondary box, for example “{fullData.name} ”. To hide the secondary box completely, use an empty tag<extra></extra>
.Declaration
Swift
public var hoverTemplate: Data<String>?
-
Determines whether or not an item corresponding to this trace is shown in the legend.
Declaration
Swift
public var showLegend: Bool?
-
Determines whether or not the color domain is computed with respect to the input data (here in
z
) or the bounds set inzmin
andzmax
Defaults tofalse
whenzmin
andzmax
are set by the user.Declaration
Swift
public var zAuto: Bool?
-
Sets the lower bound of the color domain.
Value should have the same units as in
z
and if set,zmax
must be set as well.Declaration
Swift
public var zMin: Double?
-
Sets the upper bound of the color domain.
Value should have the same units as in
z
and if set,zmin
must be set as well.Declaration
Swift
public var zMax: Double?
-
Sets the mid-point of the color domain by scaling
zmin
and/orzmax
to be equidistant to this point.Value should have the same units as in
z
. Has no effect whenzauto
isfalse
.Declaration
Swift
public var zMiddle: Double?
-
Sets the colorscale.
The colorscale must be an array containing arrays mapping a normalized value to an rgb, rgba, hex, hsl, hsv, or named color string. At minimum, a mapping for the lowest (0) and highest (1) values are required. For example,
[[0, 'rgb(0,0,255)'], [1, 'rgb(255,0,0)']]
. To control the bounds of the colorscale in color space, usezmin
andzmax
. Alternatively,colorscale
may be a palette name string of the following list: Greys,YlGnBu,Greens,YlOrRd,Bluered,RdBu,Reds,Blues,Picnic,Rainbow,Portland,Jet,Hot,Blackbody,Earth,Electric,Viridis,Cividis.Declaration
Swift
public var colorScale: ColorScale?
-
Determines whether the colorscale is a default palette (
autocolorscale: true
) or the palette determined bycolorscale
.In case
colorscale
is unspecified orautocolorscale
is true, the default palette will be chosen according to whether numbers in thecolor
array are all positive, all negative or mixed.Declaration
Swift
public var autoColorScale: Bool?
-
Reverses the color mapping if true.
If true,
zmin
will correspond to the last color in the array andzmax
will correspond to the first color.Declaration
Swift
public var reverseScale: Bool?
-
Determines whether or not a colorbar is displayed for this trace.
Declaration
Swift
public var showScale: Bool?
-
Undocumented
Declaration
Swift
public var colorBar: ColorBar?
-
Sets a reference to a shared color axis.
References to these shared color axes are coloraxis, coloraxis2, coloraxis3, etc. Settings for these shared color axes are set in the layout, under
layout.coloraxis
,layout.coloraxis2
, etc. Note that multiple color scales can be linked to the same color axis.Declaration
Swift
public var colorAxis: ColorAxis
-
Sets a reference between this trace’s geospatial coordinates and a geographic map.
If geo (the default value), the geospatial coordinates refer to
layout.geo
. If geo2, the geospatial coordinates refer tolayout.geo2
, and so on.Declaration
Swift
public var geo: Geo
-
Creates
Choropleth
object from the most frequently used properties.Declaration
Swift
public init(name: String? = nil, locations: LocationsData? = nil, z: ZData? = nil, text: Data<String>? = nil, hoverText: Data<String>? = nil, marker: Marker? = nil, colorScale: ColorScale? = nil, reverseScale: Bool? = nil)
Parameters
name
Sets the trace name.
locations
Sets the coordinates via location IDs or names.
z
Sets the color values.
text
Sets the text elements associated with each location.
hoverText
Same as
text
.marker
colorScale
Sets the colorscale.
reverseScale
Reverses the color mapping if true.
-
init(visible:
legendGroup: name: uid: ids: customData: meta: selectedPoints: hoverLabel: stream: transforms: uiRevision: locations: locationMode: z: geoJson: featureIDKey: text: hoverText: marker: selected: unselected: hoverInfo: hoverTemplate: showLegend: zAuto: zMin: zMax: zMiddle: colorScale: autoColorScale: reverseScale: showScale: colorBar: colorAxis: geo: ) Creates
Choropleth
object with specified properties.Declaration
Swift
public init(visible: Visible? = nil, legendGroup: String? = nil, name: String? = nil, uid: String? = nil, ids: [String]? = nil, customData: [String]? = nil, meta: Data<Anything>? = nil, selectedPoints: Anything? = nil, hoverLabel: HoverLabel? = nil, stream: Stream? = nil, transforms: [Transform] = [], uiRevision: Anything? = nil, locations: LocationsData? = nil, locationMode: LocationMode? = nil, z: ZData? = nil, geoJson: Anything? = nil, featureIDKey: String? = nil, text: Data<String>? = nil, hoverText: Data<String>? = nil, marker: Marker? = nil, selected: Selected? = nil, unselected: Unselected? = nil, hoverInfo: HoverInfo? = nil, hoverTemplate: Data<String>? = nil, showLegend: Bool? = nil, zAuto: Bool? = nil, zMin: Double? = nil, zMax: Double? = nil, zMiddle: Double? = nil, colorScale: ColorScale? = nil, autoColorScale: Bool? = nil, reverseScale: Bool? = nil, showScale: Bool? = nil, colorBar: ColorBar? = nil, colorAxis: ColorAxis = .preset, geo: Geo = .preset)
Parameters
visible
Determines whether or not this trace is visible.
legendGroup
Sets the legend group for this trace.
name
Sets the trace name.
uid
Assign an id to this trace, Use this to provide object constancy between traces during animations and transitions.
ids
Assigns id labels to each datum.
customData
Assigns extra data each datum.
meta
Assigns extra meta information associated with this trace that can be used in various text attributes.
selectedPoints
Array containing integer indices of selected points.
hoverLabel
stream
transforms
uiRevision
Controls persistence of some user-driven changes to the trace:
constraintrange
inparcoords
traces, as well as someeditable: true
modifications such asname
andcolorbar.title
.locations
Sets the coordinates via location IDs or names.
locationMode
Determines the set of locations used to match entries in
locations
to regions on the map.z
Sets the color values.
geoJson
Sets optional GeoJSON data associated with this trace.
featureIDKey
Sets the key in GeoJSON features which is used as id to match the items included in the
locations
array.text
Sets the text elements associated with each location.
hoverText
Same as
text
.marker
selected
unselected
hoverInfo
Determines which trace information appear on hover.
hoverTemplate
Template string used for rendering the information that appear on hover box.
showLegend
Determines whether or not an item corresponding to this trace is shown in the legend.
zAuto
Determines whether or not the color domain is computed with respect to the input data (here in
z
) or the bounds set inzmin
andzmax
Defaults tofalse
whenzmin
andzmax
are set by the user.zMin
Sets the lower bound of the color domain.
zMax
Sets the upper bound of the color domain.
zMiddle
Sets the mid-point of the color domain by scaling
zmin
and/orzmax
to be equidistant to this point.colorScale
Sets the colorscale.
autoColorScale
Determines whether the colorscale is a default palette (
autocolorscale: true
) or the palette determined bycolorscale
.reverseScale
Reverses the color mapping if true.
showScale
Determines whether or not a colorbar is displayed for this trace.
colorBar
colorAxis
Sets a reference to a shared color axis.
geo
Sets a reference between this trace’s geospatial coordinates and a geographic map.
-
Encodes the object in a format compatible with Plotly.
Declaration
Swift
public func encode(to encoder: Encoder) throws