dc.js

Namespace: fp

dc.units. fp

Source:

Methods

<static> precision(precision)

This function generates an argument for the Coordinate Grid Chart .xUnits function specifying that the x values are floating-point numbers with the given precision. The returned function determines how many values at the given precision will fit into the range supplied in its start and end parameters.

Parameters:
Name Type Description
precision Number
Source:
See:
Returns:

start-end unit function

Type
function
Example
// specify values (and ticks) every 0.1 units
chart.xUnits(dc.units.fp.precision(0.1)
// there are 500 units between 0.5 and 1 if the precision is 0.001
var thousandths = dc.units.fp.precision(0.001);
thousandths(0.5, 1.0) // returns 500