Encoding

An Encoding object records information about a visual encoding. When a mark’s visual channel is specified to encode a data field through the encode method in the Scene class, an Encoding object is created and returned.

Properties#

property	explanation	type	default value
channel	the visual channel	String
dataTable	the data table used in this encoding	String
field	the data field	String
aggregator	aggregator for data values	String	“sum”
scale	the scale of the encoding	Scale
scaleType	the type of scale	String	depends on field and channel
includeZero	whether the scale domain includes 0	Boolean	false
rangeExtent	the extent of the scale range	Number
mapping	user defined mapping between field values and visual properties	Object
scheme	the color scheme	String
startAngle	the start angle in degrees when encoding using the “angle” channel	Number	90
angleDirection	the direction to encode angles	String	“clockwise”

Methods#