XYChart.syncYAxis

ChartDirector 7.0 (PHP Edition)

Usage

syncYAxis([ slope [, intercept ]])

Description

Sets a linear formula to synchronize the secondary y-axis scale to the primary y-axis scale.

The formula is in the format:

y2 = y1 * slope + intercept

This method is usually used if the two y-axes represent the same measurement using different units. Examples including temperature in Celsius and in Fahrenheit, and length in meters and feet.

Arguments

Argument	Default	Description
slope	1	The slope parameter for the formula linking the secondary y-axis to the primary y-axis.
intercept	0	The intercept parameter for the formula linking the secondary y-axis to the primary y-axis.

Return Value

None