Class: ColorScale

Extends

• Backbone.Model

Methods

createLegendValues(scale, values){Array.<string>}

modules/tools/colorScale/model.js, line 109

gets the rgbs for the corresponding values

Name	Type	Description
scale	object	d3 scale
values	Array.<number>	legend values

Returns:

of rgbs

generateColorScale(values, colorspace, type){function|object}

modules/tools/colorScale/model.js, line 31

generates a function to use for color generation from values

Name	Type	Description
values	Array.<number>	Array of all values to build the scale from. Default: [0, 1]
colorspace	d3.interpolator | Array.<color>	colorspace of the scale, either 2 values for linearScale or string selector for d3.interpolator from d3-scale-chromatic. Default: "interpolateBlues"
type	string	type of the scale. Possbile values: "sequential", "linear".

Returns:

returns both the scale function and a legend with value/color-pairs for visualization.

interpolateValues(min, max, steps){Array.<number>}

modules/tools/colorScale/model.js, line 92

calculates the values for the legend using the min and max values and the number of steps

Name	Type	Description
min	number	min value
max	number	max value
steps	number	number of steps

Returns:

values