0.8.0 • Public • Published


Circle CI npm MIT

d3-rs-lines generate a range of line charts via the D3 reusable chart convention. Supports area fills, hovers and highlights.


View @redsift/d3-rs-lines on Codepen

Line chart

Sample bars with a bottom orientation

Multiple series

Sample bars with a left orientation



<script src="//static.redsift.io/reusable/d3-rs-lines/latest/d3-rs-lines.umd-es2015.min.js"></script>
    var chart = d3_rs_lines.html();
    d3.select('body').datum([ 1, 2, 3, 10, 100 ]).call(chart);


import { html as chart } from "@redsift/d3-rs-lines";
let eml = chart();


var chart = require("@redsift/d3-rs-lines");
var eml = chart.html();


  • Simplest form, array of numbers: [1,2,3,4...]. View Datum result on Bricks
  • Datum includes parameters, Index and Value which form the datum [{ "l": 1,"v":1},{"l": 4,"v":6}], "l" represent the Index and "v" the Value. The simple datum generate a line starting at (1,1) and ending at (4,6). View Datum result on Bricks.
  • A set of line charts that can be achieved using different Value creating the datum [{"l":1,"v":[1,2,3]},{"l":2,"v":[3,2,1]},{"l":3,"v":[2,1,3]}], the advantage of using this datum format is that the different line charts can be stacked using the stacked property. View Datum result on Bricks.
  • Else generating each line separately in a datum array [[{"l":1,"v":3},{"l":2,"v":5}],[{"l":1,"v":1},{"l":6,"v":7}]], great for populating distinct chart. View Datum result on Bricks.
  • Datum also supports Unix timestamp (or epoch time) data-set which can be easily converted into specific calendar date using string specifiers. An example of a datum using epoch datum [ { "l" : 1461456000000, "v" : [ 12, 3 ] }, { "l" : 1461542400000, "v" : [ 5, 11 ] }, { "l" : 1461628800000, "v" : [ 8, 7 ]}], in this example the Index is set to epoch format. View Datum result on Bricks, in the example I used labelTime property to convert the Unix timestamp using the smart formatter call 'multi' and using tickCountIndex property to display only 4 ticks.


This section gives an overview of all the properties available and how they can be used. Examples provided are linked to Codepens that can be easily edited.

Property Description Transition Preview
classed String Customise SVG by adding, removing and toggling of CSS classes. N
background String, Number Change the background colour of the chart. Y Preview of background property
Examples: Bricks / CodePen
theme String Change the chart theme which includes 'light'(default) and 'dark'. Y Preview of theme property
Examples: Bricks / CodePen
height, width Integer Resize the height and width of chart. Default width: 420 pixels. Y Preview of height & width properties
Examples: Bricks / CodePen
size Integer Resize the chart to a certain size changing both the width and height maintaining the default aspect ratio. Y Preview of size property
Examples: Bricks / CodePen
scale Number Scale the entire chart by the scaling value. Used to zoom the chart or compensate for high DPI displays when rasterized. Default scale: 1.0. Y Examples: Bricks / CodePen
margin Number Resize the chart margin inside of the SVG container. Default margin: 26 pixels. Y Preview of margin property
Examples: Bricks / CodePen
inset Number Resize the space inside the chart margin for the main chart element. This excludes items like legends. Y
Examples: CodePen
style String Custom CSS to inject into chart N
trim Integer Trim the datum array, use for slicing the data on the chart. N
Examples: CodePen
minValue,maxValue Number Sets the minimum and maximum Value range. Note that for log scales, minValue must be > 0. Y Preview of minValue & maxValue property
Examples: Bricks / CodePen
minIndex ,maxIndex Number Sets the minimum and maximum Index range. Note that for log scales, minIndex must be > 0. Y Preview of minIndex & maxIndex property
Examples: Bricks / CodePen
tickCountIndex,tickCountValue Number, String, Interval Function Hints at the number of ticks to set in the corresponding axis. Supports strings for example split time intervals when using Unix timestamp(or epoch time) Index values. Default tickCountIndex: 6 N Preview of tickCountIndex & tickCountValue properties
Examples: Bricks / CodePen
tickMinorIndex, tickMinorValue Number, String, Interval Function Hints at the number of minor ticks to set in the corresponding axis. N Preview of tickMinorIndex & tickMinorValue properties
Examples: Bricks / CodePen
tickFormatIndex, tickFormatValue String, Function Sets the formatting string or function for the ticks. N Preview of tickFormatIndex & tickFormatValue properties
Examples: Bricks / CodePen
tickDisplayIndex, tickDisplayValue String, Integer Customise all tick presentation logic with this function. N Preview of tickDisplayIndex & tickDisplayValue
Examples: Bricks / CodePen
curve String, Function, Interpolation function for the line. Standard functions excluding closed and open curves are usable by name e.g. 'curveStep'. If a function is supplied, it should implement custom curves. Default curve: 'curveCatmullRom' Y Preview of curve property
Examples: Bricks / CodePen
symbol (Array of) String, Function Change the points connecting the lines into customised symbols or custom symbol types N Preview of symbol
Examples: Bricks / CodePen
symbolSize Number Resize the symbol to a specific size. Default size: 32 Y Preview of symbolSize property
Examples: Bricks / CodePen
fill String, Array, Function If function, in addition to usual data, index parameters, a 3rd string parameter indicates the context - one of area, stroke, symbol, legend Y Preview of fill property
Examples: Bricks / CodePen
fillAreaOpacity Unit Number Fill the area of the graph to a certain opacity N Preview of fillAreaOpacity
Examples: Bricks / CodePen
fillArea Boolean, (Array of) Boolean Set the lines fill. N Preview of fillArea property
Examples: Bricks / CodePen
fillStroke Boolean, (Array of) Boolean Set the lines stroke. N Preview of fillStroke property
Examples: Bricks / CodePen
stacked Boolean Enable stacking. Default value: false Y Preview of stacked property
Examples: Bricks / CodePen
stackOffset String, Function Shift the baseline of the chart to give more emphasis on the changing values using different offset properties. Y Preview of stackOffset property
Examples: Bricks / CodePen
stackOrder String, Function Stack the chart using different stack ordering properties. Y Preview of stackOrder property
Examples: Bricks / CodePen
animation String Change the animation interpolating between points. Parameters: reveal, value, default. Y Codepen Example
tipHtml String, Function Add information to the tip of the chart. Parameters of the function are (d, i, s) where d is the data element, i is the index, s is the series of the data. Y
Examples: CodePen
animateAxis, animateLabels Boolean Set the animation of the axis and label. Default value: true. N Codepen Example
axisDisplayIndex,axisDisplayValue Boolean Set the axes to display. Default axisDisplayIndex: true, axisDisplayValue: false. N Preview of axisDisplayIndex & axisDisplayValue properties
Examples: Bricks / CodePen
axisPaddingValue,axisPaddingIndex Number Set the padding size of the axis. Default axisPaddingValue: 8, axisPaddingIndex: 8. N Preview of axisPaddingIndex & axisPaddingValue properties
Examples: Bricks / CodePen
axisValue String Changes the axis label of value (on the y-axis) to the left or right. Default value: 'left'. N Preview of axisValue property
Examples: Bricks / CodePen
highlightIndex (Array of)Number, Function Highlight a particular or an array of Index Y Preview of highlightIndex property
Examples: Bricks / CodePen
legend (Array of)String, Number Add a legend for the lines in the chart. N Preview of legend property
Examples: Bricks / CodePen
legendOrientation String Position the legend, positions include top, bottom, left, right or voronoi. Default orientation: 'bottom' Y Preview of legendOrientation property
Examples: Bricks / CodePen
legendOrientation('voronoi') String Position the legend in an area containing the least number of intersecting lines. N Preview of legendOrientation property using the voronoi argument
Examples: Bricks / CodePen
voronoiAttraction Number -1...0...1 Use when legendOrientation set to voronoi. Specifies the attraction of the label to the data line. 0 implies no dragging, -1 pushes the labels away. Default value: 0.33 Y Preview of the voronoiAttraction property
Examples: Bricks / CodePen
gridIndex, gridValue Boolean Add guidelines for Index or Value. Default gridIndex: false, gridValue: true. N Preview of gridIndex & gridValue property Examples: Bricks / CodePen
labelTime String, Function Interpret the Index value from timestamp and format it using string specifiers or the supplied function. 'multi' (string specifier) smartly displays the time and use the UTC format. N Preview of labelTime property Examples: Bricks / CodePen
language String Change the language format of the chart affecting digit, currency and time formats. N Examples: Bricks/ CodePen
onClick Function Handler for a click event on a data series. N Examples: CodePen
legendSize Number Height of the legend component (if present) N
legendIsToggleable Boolean If true, the legend's items will have a checkbox that make it able to switch on/off data sets. N
tintColor String Color of some components, only supports checkbox color for now N


The two main time formatter available in UTC or Local Time. UTC uses the time standard applied across the world which is unaffected by Daylight Saving Time whereas Local Time is set to your local timezone. To use any of the formatter a function is parsed to labelTime function. To apply UTC format, d3.utcFormat(specifier) is used, argument being the string specifiers and when using Local Time, only the string specifiers can be supply since by default the time format is set to Local Time.

timeMultiFormat is a smart formatter that displays the time in UTC using 'multi' as an argument which is parsed to the labelTime function. Use 'multi-local' to enable local timezone ticks. The tick display can be customised using the tickCountIndex function displaying the number of ticks for the Index. Bricks Example

Additional information about Time format for D3 can be found here.



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