Map Chart Configuration ​

MapChart.labelAlphaScale ​

d3.ScaleLinear<number, number, never>

default: d3.scaleLinear([400, 560], [0, 1]).clamp(true)

The transparency of the label is calculated from the area of the corresponding area of the map. This function inputs an area and outputs the transparency of the label, in the range 0 to 1.

MapChart.labelPadding ​

number

default: 8

This option is used to control the padding size of the label.

MapChart.labelSize ​

number

default: 12

This option is used to control the size of the label.

MapChart.pathShadowBlur ​

number

default: 100

This option is used to control the size of the map area shadows.

MapChart.pathShadowColor ​

string

default: "#fff2"

This option is used to control the color of the map area shadows.

MapChart.useShadow ​

boolean

default: false

This option is used to control whether to use the map area shadows.

MapChart.showGraticule ​

boolean

default: false

This option is used to control whether to show the graticule.

MapChart.projectionType ​

"orthographic" | "natural" | "mercator" | "equirectangular"

default: "natural"

This option is used to control the type of the map projection.

MapChart.mapIdField ​

string

default: "alpha3Code"

This option is used to control the field name of the map ID. This property is read from the properties of the map GeoJSON.

MapChart.strokeStyle ​

string

default: "#fff"

This option is used to control the color of the map area borders.

MapChart.defaultFill ​

string | CanvasGradient | CanvasPattern

default:

This property is used to control the padding of areas that have no data. By default, the background of the stripe is filled.

MapChart.noDataLabel ​

string | undefined

default: undefined

If this option is not undefined, regions with no data will not display the name, but the value of this field will be used instead.

MapChart.showLabel ​

boolean

default: true

This option is used to control whether to show the name of the map area.