Class: Mark

_Graphical marks visually encode data using geometric primitives such as rectangles, lines, and plotting symbols. _

_Marks are the basic visual building block of a visualization, providing basic shapes whose properties can be set _

_according to backing data. Mark property definitions may be simple constants or data fields, or scales can be _

used to map data values to visual values.

NOTE: this is an abstract class and should not be instantiated directly

classDiagram class Mark click Mark href "../Mark" Mark <|-- RasterImageMark click RasterImageMark href "../RasterImageMark" Mark <|-- RasterLabelMark click RasterLabelMark href "../RasterLabelMark" Mark <|-- PointsMark click PointsMark href "../PointsMark" Mark <|-- ShapesMark click ShapesMark href "../ShapesMark" Mark : encode Mark : from_ Mark --> "1" MarkDataSource : from_ click MarkDataSource href "../MarkDataSource" Mark : type Mark --> "1" MarkTypeEnum : type click MarkTypeEnum href "../MarkTypeEnum" Mark : zindex

Inheritance

Mark

Slots

Name	Cardinality and Range	Description	Inheritance
type	1 MarkTypeEnum	The type of mark	direct
from_	1 MarkDataSource	The data stream used as the source for the graphical mark	direct
encode	1 String	A set of visual encoding properties that determine the position and appearanc...	direct
zindex	1 Integer	An integer z-index indicating the layering order of sibling mark items	direct

Usages

used by	used in	type	used
ViewConfiguration	marks	any_of[range]	Mark
GroupMark	marks	range	Mark

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/scverse/vega-scverse/specification

Mappings

Mapping Type	Mapped Value
self	vega_scverse:Mark
native	vega_scverse:Mark

LinkML Source

Direct

name: Mark
description: "Graphical marks visually encode data using geometric primitives such\
  \ as rectangles, lines, and plotting symbols. \nMarks are the basic visual building\
  \ block of a visualization, providing basic shapes whose properties can be set \n\
  according to backing data. Mark property definitions may be simple constants or\
  \ data fields, or scales can be \nused to map data values to visual values."
from_schema: https://w3id.org/scverse/vega-scverse/specification
abstract: true
attributes:
  type:
    name: type
    description: The type of mark.
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    domain_of:
    - Transform
    - BaseFormat
    - Scale
    - Legend
    - Mark
    - TextMark
    - GroupMark
    range: MarkTypeEnum
    required: true
  from_:
    name: from_
    description: The data stream used as the source for the graphical mark.
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    rank: 1000
    domain_of:
    - Mark
    range: MarkDataSource
    required: true
  encode:
    name: encode
    description: "A set of visual encoding properties that determine the position\
      \ and appearance of mark instances. In Vega, \nthere are three primary property\
      \ sets: enter, update, exit. The enter properties are evaluated when data is\
      \ \nprocessed for the first time and a mark instance is newly added to a scene.\
      \ The update properties are \nevaluated for all existing (non-exiting) mark\
      \ instances. The exit properties are evaluated when the data \nbacking a mark\
      \ is removed, and so the mark is leaving the visual scene. However, in this\
      \ specification we \ncurrently only support enter and update property sets."
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    rank: 1000
    domain_of:
    - Mark
    - TextMark
    - GroupMark
    required: true
  zindex:
    name: zindex
    description: "An integer z-index indicating the layering order of sibling mark\
      \ items. The default value is 0. Higher values \n(1) will cause marks to be\
      \ drawn on top of those with lower z-index values."
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    domain_of:
    - Axis
    - Legend
    - Mark
    - TextMark
    range: integer
    required: true

Induced

name: Mark
description: "Graphical marks visually encode data using geometric primitives such\
  \ as rectangles, lines, and plotting symbols. \nMarks are the basic visual building\
  \ block of a visualization, providing basic shapes whose properties can be set \n\
  according to backing data. Mark property definitions may be simple constants or\
  \ data fields, or scales can be \nused to map data values to visual values."
from_schema: https://w3id.org/scverse/vega-scverse/specification
abstract: true
attributes:
  type:
    name: type
    description: The type of mark.
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    alias: type
    owner: Mark
    domain_of:
    - Transform
    - BaseFormat
    - Scale
    - Legend
    - Mark
    - TextMark
    - GroupMark
    range: MarkTypeEnum
    required: true
  from_:
    name: from_
    description: The data stream used as the source for the graphical mark.
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    rank: 1000
    alias: from_
    owner: Mark
    domain_of:
    - Mark
    range: MarkDataSource
    required: true
  encode:
    name: encode
    description: "A set of visual encoding properties that determine the position\
      \ and appearance of mark instances. In Vega, \nthere are three primary property\
      \ sets: enter, update, exit. The enter properties are evaluated when data is\
      \ \nprocessed for the first time and a mark instance is newly added to a scene.\
      \ The update properties are \nevaluated for all existing (non-exiting) mark\
      \ instances. The exit properties are evaluated when the data \nbacking a mark\
      \ is removed, and so the mark is leaving the visual scene. However, in this\
      \ specification we \ncurrently only support enter and update property sets."
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    rank: 1000
    alias: encode
    owner: Mark
    domain_of:
    - Mark
    - TextMark
    - GroupMark
    range: string
    required: true
  zindex:
    name: zindex
    description: "An integer z-index indicating the layering order of sibling mark\
      \ items. The default value is 0. Higher values \n(1) will cause marks to be\
      \ drawn on top of those with lower z-index values."
    from_schema: https://w3id.org/scverse/vega-scverse/marks
    alias: zindex
    owner: Mark
    domain_of:
    - Axis
    - Legend
    - Mark
    - TextMark
    range: integer
    required: true