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Class: SpreadTransform

_Datashade transform expanding each pixel in a rasterized image by a specified number of pixels to make sparse _

_data more visible. This transform MUST be preceded by an aggregate transform and is optionally preceded by _

a normalization transform ('formula').

URI: vega_scverse:SpreadTransform

classDiagram class SpreadTransform click SpreadTransform href "../SpreadTransform" Transform <|-- SpreadTransform click Transform href "../Transform" SpreadTransform : as_ SpreadTransform : field SpreadTransform : px SpreadTransform : type SpreadTransform --> "1" TransformTypeEnum : type click TransformTypeEnum href "../TransformTypeEnum"

Inheritance

Slots

Name Cardinality and Range Description Inheritance
field 1..*
String		 The data fields on which to apply the spread transform direct
px 1
Integer		 The amount of pixels by which to expand each pixel to make data more visible direct
as_ 1..*
String		 The output field names to use for each field to which a spread transform is a... direct
type 1
TransformTypeEnum		 The type of transform Transform

Usages

used by used in type used
SpatialDataElementObject transform any_of[range] SpreadTransform

Identifier and Mapping Information

Schema Source

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

Mappings

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

LinkML Source

Direct

name: SpreadTransform
description: "Datashade transform expanding each pixel in a rasterized image by a\
  \ specified number of pixels to make sparse \ndata more visible. This transform\
  \ MUST be preceded by an aggregate transform and is optionally preceded by \na normalization\
  \ transform ('formula')."
from_schema: https://w3id.org/scverse/vega-scverse/specification
is_a: Transform
slot_usage:
  type:
    name: type
    ifabsent: string(spread)
    equals_string: spread
attributes:
  field:
    name: field
    description: "The data fields on which to apply the spread transform. This array\
      \ should align with the as \narrays."
    from_schema: https://w3id.org/scverse/vega-scverse/data
    domain_of:
    - AggregateTransform
    - SpreadTransform
    - ContinuousColorDomain
    - ColorItem
    - AxisItem
    - ConditionalFillUpdate
    range: string
    required: true
    multivalued: true
  px:
    name: px
    description: The amount of pixels by which to expand each pixel to make data more
      visible.
    from_schema: https://w3id.org/scverse/vega-scverse/data
    rank: 1000
    domain_of:
    - SpreadTransform
    range: integer
    required: true
  as_:
    name: as_
    description: "The output field names to use for each field to which a spread transform\
      \ is applied. In the initial \nimplementation this is the same as the values\
      \ in 'field'."
    from_schema: https://w3id.org/scverse/vega-scverse/data
    domain_of:
    - AggregateTransform
    - SpreadTransform
    - NormalizationFormulaTransform
    range: string
    required: true
    multivalued: true

Induced

name: SpreadTransform
description: "Datashade transform expanding each pixel in a rasterized image by a\
  \ specified number of pixels to make sparse \ndata more visible. This transform\
  \ MUST be preceded by an aggregate transform and is optionally preceded by \na normalization\
  \ transform ('formula')."
from_schema: https://w3id.org/scverse/vega-scverse/specification
is_a: Transform
slot_usage:
  type:
    name: type
    ifabsent: string(spread)
    equals_string: spread
attributes:
  field:
    name: field
    description: "The data fields on which to apply the spread transform. This array\
      \ should align with the as \narrays."
    from_schema: https://w3id.org/scverse/vega-scverse/data
    alias: field
    owner: SpreadTransform
    domain_of:
    - AggregateTransform
    - SpreadTransform
    - ContinuousColorDomain
    - ColorItem
    - AxisItem
    - ConditionalFillUpdate
    range: string
    required: true
    multivalued: true
  px:
    name: px
    description: The amount of pixels by which to expand each pixel to make data more
      visible.
    from_schema: https://w3id.org/scverse/vega-scverse/data
    rank: 1000
    alias: px
    owner: SpreadTransform
    domain_of:
    - SpreadTransform
    range: integer
    required: true
  as_:
    name: as_
    description: "The output field names to use for each field to which a spread transform\
      \ is applied. In the initial \nimplementation this is the same as the values\
      \ in 'field'."
    from_schema: https://w3id.org/scverse/vega-scverse/data
    alias: as_
    owner: SpreadTransform
    domain_of:
    - AggregateTransform
    - SpreadTransform
    - NormalizationFormulaTransform
    range: string
    required: true
    multivalued: true
  type:
    name: type
    description: The type of transform.
    from_schema: https://w3id.org/scverse/vega-scverse/data
    rank: 1000
    ifabsent: string(spread)
    alias: type
    owner: SpreadTransform
    domain_of:
    - Transform
    - BaseFormat
    - Scale
    - Legend
    - Mark
    - TextMark
    - GroupMark
    range: TransformTypeEnum
    required: true
    equals_string: spread