Class: QgsColorRamp¶

class qgis.core.QgsColorRamp¶

Bases: sip.wrapper

Abstract base class for color ramps

New in version 3.0:

Methods

`clone`	Creates a clone of the color ramp.
`color`	Returns the color corresponding to a specified value.
`count`	Returns number of defined colors, or -1 if undefined
`invert`	Inverts the ordering of the color ramp.
`properties`	Returns a string map containing all the color ramp's properties.
`rampTypes`	Returns a list of available ramp types, where the first value in each item is the `QgsColorRamp.type()` string and the second is a user friendly, translated name for the color ramp type.
`type`	Returns a string representing the color ramp type.
`value`	Returns relative value between [0,1] of color at specified index

clone(self) → QgsColorRamp¶

Creates a clone of the color ramp.

Return type:: QgsColorRamp

color(self, value: float) → QColor¶

Returns the color corresponding to a specified value.

Parameters:: value (float) – value between [0, 1] inclusive
Return type:: QColor
Returns:: color for value

count(self) → int¶

Returns number of defined colors, or -1 if undefined

Return type:: int

invert(self)¶: Inverts the ordering of the color ramp.

properties(self) → Dict[str, Any]¶

Returns a string map containing all the color ramp’s properties.

Return type:: Dict[str, Any]

rampTypes() → List[Tuple[str, str]]¶

Returns a list of available ramp types, where the first value in each item is the QgsColorRamp.type() string and the second is a user friendly, translated name for the color ramp type.

The ramp types are returned in a order of precedence for exposing in UI, with more commonly used types listed first.

New in version 3.16.

Return type:: List[Tuple[str, str]]

type(self) → str¶

Returns a string representing the color ramp type.

Return type:: str

value(self, index: int) → float¶

Returns relative value between [0,1] of color at specified index

Parameters:: index (int) –
Return type:: float