Color Gradient Designer

Creates a customizable gradient-based color mapping for numeric values. Colors are assigned by mapping each value to a position on a selected or user-defined gradient. If a table is connected, the same gradient will be applied to all selected columns.

Assignment behavior:

Modes:

• Without input table: Generates a standalone color gradient model that needs to be applied later via the Color Designer (Apply) node.
• With input table: Applies the gradient directly to the selected columns of the input table. If the columns have defined domains, their joint domain will be used to map values to the color gradient. For columns without domain, the node will compute a temporary domain during execution.

Options

Numeric columns

Specify one or more numeric columns whose values will be mapped to a color gradient. The same gradient configuration will be applied to all selected columns.

Gradient

Choose a predefined gradient (e.g., Viridis, Cividis) or define a custom gradient by specifying individual color stops.

Value scale

Select how values should be scaled across the gradient range:

• Percentage: Map values based on normalized percentage from 0% (minimum) to 100% (maximum). If the node has an input port, during execution, the joint domain of the selected columns will be used to transform the scale into an absolute scale.
• Absolute values: Map values based on their actual numeric values without normalization.

Custom gradient

Define your own gradient using one or more color stops. Each stop consists of a value and a color.

• Stop value: The position of the color stop along the gradient range.
• Color: The color to apply at the specified stop.

Missing value color

Define the color assigned to missing values in the data.

Not a number (NaN) color

Define the color assigned to NaN (Not a Number) values in the data.

Negative infinity color

Define the color assigned to values representing negative infinity.

Bottom out-of-bounds color

Define the color assigned to values below the defined gradient range.

Top out-of-bounds color

Define the color assigned to values above the defined gradient range.

Positive infinity color

Define the color assigned to values representing positive infinity.

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