Types Used in the Grammar¶

Note

The list is still incomplete.

CompareParams¶

field Required: Type: string (field name)[] | string (field name)
The field(s) to sort by
order: Type: ("ascending" | "descending")[] | "ascending" | "descending"
The order(s) to use: "ascending" (default), "descending".

DynamicOpacity¶

channel: Type: "x" | "y"
TODO
unitsPerPixel Required: Type: array
Stops expressed as units (base pairs, for example) per pixel.
values Required: Type: array
Opacity values that match the given stops.

ExprRef¶

expr Required: Type: string
The expression string.

Paddings¶

bottom: Type: number
TODO
left: Type: number
TODO
right: Type: number
TODO
top: Type: number
TODO

Step¶

step Required: Type: number
TODO

SizeDef¶

grow: Type: number
Share of the remaining space. See child sizing for details.
px: Type: number
Size in pixels

Title¶

align: Type: "left" | "center" | "right"
Horizontal text alignment for title text. One of "left", "center", or "right".
anchor: Type: None | start | middle | end
The anchor position for placing the title and subtitle text. One of "start", "middle", or "end". For example, with an orientation of top these anchor positions map to a left-, center-, or right-aligned title.
angle: Type: number | ExprRef
Angle in degrees of title and subtitle text.
baseline: Type: "top" | "middle" | "bottom" | "alphabetic"
Vertical text baseline for title and subtitle text. One of "alphabetic" (default), "top", "middle", or "bottom".
color: Type: string | ExprRef
Text color for title text.
dx: Type: number
Delta offset for title and subtitle text x-coordinate.
dy: Type: number
Delta offset for title and subtitle text y-coordinate.
font: Type: string
Font name for title text.
fontSize: Type: number | ExprRef
Font size in pixels for title text.
fontStyle: Type: "normal" | "italic"
Font style for title text.
fontWeight: Type: number | "thin" | "light" | "regular" | "normal" | "medium" | "bold" | "black"
Font weight for title text. This can be either a string (e.g "bold", "normal") or a number (100, 200, 300, ..., 900 where "normal" = 400 and "bold" = 700).
frame: Type: "bounds" | "group"
The reference frame for the anchor position, one of "bounds" (to anchor relative to the full bounding box) or "group" (to anchor relative to the group width or height).
offset: Type: number
The orthogonal offset in pixels by which to displace the title group from its position along the edge of the chart.
orient: Type: "none" | "left" | "right" | "top" | "bottom"
Default title orientation ("none", "top", "bottom", "left", or "right")
style: Type: string
A mark style property to apply to the title text mark. If not specified, a default style of "group-title" is applied.
text Required: Type: string | ExprRef
The title text.

ViewBackground¶

fill: Type: string | ExprRef
The fill color.
fillOpacity: Type: number | ExprRef
The fill opacity. Value between 0 and 1.
stroke: Type: string | ExprRef
The stroke color
strokeOpacity: Type: number | ExprRef
The stroke opacity. Value between 0 and 1.
strokeWidth: Type: number
The stroke width in pixels.

ViewOpacityDef¶

Type: number | DynamicOpacity | ExprRef