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Marker in BillboardJS on defocus

When hovering over a line in billboardjs you can see a marker which follows the mouse (a tall vertical line). Is there a function for putting a marker on the x-line which can be used without triggering an automatic marker via onmousemove/hovering over data-points?
var chart = bb.generate({
data: {
columns: [
["data1", 30, 200, 100, 400, 150, 250],
["data2", 50, 20, 10, 40, 15, 25]
],
type: "line", // for ESM specify as: line()
},
bindto: "#lineChart"
});
https://naver.github.io/billboard.js/demo/#Chart.LineChart
So to exemplify. I use an onclick (in the data object) in the chart which defocuses the view and I still want the marker to remain.
So the code would look something like:
var chart = bb.generate({
data: {
columns: [
["data1", 30, 200, 100, 400, 150, 250],
["data2", 50, 20, 10, 40, 15, 25]
],
type: "line", // for ESM specify as: line()
onclick: function (d) {
focusElsewhere()
showMarker(d.x)
}
},
bindto: "#lineChart"
});
So the question is if there is a function for this, or an obvious fix?
I have looked through https://naver.github.io/billboard.js/release/latest/doc/Chart.html but I may of course have missed something.

I found that using xgrids did the trick. I don't think that the documentation gives a good example of how to use it. But basically you can use the "value" field to give which point the line should be on and add a class to show different kinds of lines.
var chart = bb.generate({
data: {
columns: [
["data1", 30, 200, 100, 400, 150, 250],
["data2", 50, 20, 10, 40, 15, 25]
],
type: "line", // for ESM specify as: line()
onclick: function (d) {
focusElsewhere()
this.xgrids.add({ value: d.x, class: "hover-line" }); //showMarker(d.x)
}
},
bindto: "#lineChart"
});
To remove the line or reset the billboard for continued use so to say, you can use
xgrids․remove({}) and add an object with some parameters of what kind of lines you want to remove.

C3 chart not rendering in react project

I want to create a char using c3 in React to, later on, be updated each second.
I am trying to follow the example provided by
Updating C3 charts on props change with React, but the first step, which is to create the chart, is not happening.
This is my fiddle:
https://jsfiddle.net/69z2wepo/227446/
import c3 from 'c3';
import React from "react";
import ReactDOM from "react-dom";
class Hello extends React.Component {
renderChart() {
this.chart = c3.generate({
bindto:"#chart1",
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25]
]
}
});
}
render() {
this.renderChart()
return <div id="chart1"></div>;
}
}
ReactDOM.render(
<Hello />,
document.getElementById('container')
);
I installed c3 with npm and am importing it in the component.
Thanks for the help.

In your example, it looks like the chart is generated before the selector div is even rendered, so the chart has no where to go. Instead of calling this.renderChart() in render(), you can call it componentDidMount. In that case, render will be called on the initial load, your <div id="chart1"></div> will be rendered and then renderChart will run, adding the SVG to the div.
As for updating the data, you can move the column data itself to state, then call setState with some new data and use componentDidUpdate to rerender the chart. That might look something like this:
class Chart extends React.Component {
constructor(props) {
super(props);
this.state = {
column1: ['data1', 30, 200, 100, 400, 150, 250],
column2: ['data2', 50, 20, 10, 40, 15, 25],
};
this.changeData = this.changeData.bind(this);
}
renderChart() {
c3.generate({
bindto: "#chart1",
data: {
columns: [this.state.column1, this.state.column2],
},
});
}
componentDidMount() {
this.renderChart();
}
componentDidUpdate() {
this.renderChart();
}
// Changes data to something arbitrary on button click
changeData() {
this.setState({
column1: ['data1', 70, 120, 30, 300, 230, 300],
column2: ['data2', 100, 120, 50, 140, 150, 80],
});
}
render() {
return (
<div>
<div id="chart1"></div>
<button onClick={this.changeData}>Change</button>
</div>
);
}
}
React Lifecycle methods are key here. Here's a handy chart linked from the docs: http://projects.wojtekmaj.pl/react-lifecycle-methods-diagram/

angularjs, needs to make json object property values in string format to be rendered as actual templates

I have the following json array of which each object is accessed on a specific tab click. Each json object of the array has different templates like they can represent ui-grid, or c3 chart directive (c3.js), etc
Now when the user clicks specific tab, this template which is currently in in string format needs to be made to render actual templates like ui-grid, c3-chart, etc
var sampleJsonArray = [{
id: 0,
tabName: "Table",
template: ' <div id="queryListGrid" ui-grid="queryListGridOptions" class="grid query-list-grid"></div>'
},
{
id: 1,
tabName: "Cost - Line",
template: ' <c3-simple id="view1" config="c3ChartCost"></c3-simple> '
},
{
id: 2,
tabName: "Spend - Bar",
template: ' <c3-simple id="view2" config="c3ChartSpend"></c3-simple> '
},
];
The following are each tabs templates sample jsons:
$scope.queryListGridOptions = {
enableSorting: true,
columnDefs: [{
field: 'name'
},
{
field: 'gender'
},
{
field: 'company',
enableSorting: false
}
],
data: //data will be fetched from http call -- []
onRegisterApi: function(gridApi) {
$scope.grid1Api = gridApi;
}
};
$scope.c3ChartCost = {
size: {
height: 250,
width: 200
},
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 130, 100, 140, 200, 150, 50]
],
type: 'line'
}
};
$scope.c3ChartSpend = {
size: {
height: 250,
width: 200
},
data: {
columns: [
['data1', 5, 510, 160, 700, 190, 960],
['data2', 87, 450, 56, 780, 670, 890]
],
type: 'bar'
}
};

You might have to use $sce service provided by angular. Strict Contextual Escaping (SCE) is a mode in which AngularJS requires bindings in certain contexts to result in a value that is marked as safe to use for that context.
I dont have much time to provide you with a working code snippet right now. Checkout this documentation from angular. Let me know if you need any help later.

Modify Donut Chart Slices in C3/D3

I have created a simple donut chart using c3.js. Here is the FIDDLE.
If you hover over a slice of the Donut it will stick out. I was wondering if it is possible for the slice to stick out by default without hovering over.
For example i want slice A, slice B, and C to stickout by default How can I do that?
Here is my Code
var currentSlice;
var chart = c3.generate({
data: {
x: 'x',
columns: [
['x', '2013-01-01', '2013-01-02', '2013-01-03', '2013-01-04', '2013-01-05', '2013-01-06'],
['A', 30, 200, 100, 400, 150, 250],
['B', 130, 100, 140, 200, 150, 50],
['C', 50, 100, 130, 240, 200, 150],
['D', 130, 100, 140, 200, 150, 50],
['E', 130, 150, 200, 300, 200, 100]
],
type: 'donut',
onclick: function (e) {
},
onmouseover: function (d, i) {
if(currentSlice !== void 0) {
'currentSlice'.attr("transform","scale(1)")
}
currentSlice = d3.select(i).attr("transform", "scale(1.1)");
},
onmouseout: function (d, i) {
}
},
axis: {
x: {
type: 'timeseries',
tick: {
format: '%Y-%m-%d',
centered: true,
position: 'inner-right'
}
}
},
bindto: '#dash',
bar: {
width: {
ratio: 0.5 // this makes bar width 50% of length between ticks
}
},
pie: {
expand: true,
},
tooltip: {
grouped: false,
contents: function (data, defaultTitleFormat, defaultValueFormat, color) {
// console.log("Containt");
// console.log(data, defaultTitleFormat, defaultValueFormat, color);
return "<p style='border:1px solid red;'>" + data[0].value + "</p>";
}
}
});

c3js has two options, but both require a slight hack with 'setTimeout' to force our default scaling to happen after rendering and animation occur.
The onrendered function is available to set within the c3config object that one initializes the chart with. This function is triggered after a redraw is triggered but before visual rendering happens in the DOM. However, there is a hack to use setTimeout since it will create a separate callstack that will execute after the current callstack which in c3 happens to include redrawing the graph. (explanation of setTimeout to force logic to run after current callstack executes)
The load function exposes a done callback that is triggered after the elements are rendered to the DOM but before the animation finishes. So if one sets the initial scale transform in done, if the animations triggered by load are using the scale transform (which loading a pie chart appears to do), then the last keyframe of the animation will overwrite your modified scale back to scale(1). However, we can similarly use setTimeout to run our code after the current callstack (which includes animation) executes.
In exploring this, I created a generalized form of rby's answer, and I offer two alternative paths to setting default scales through the onrendered and done functions exposed in c3. (Fiddle):
var selected = ['A', 'B', 'C'];
var _ARC = '.c3-arc';
var _SCALING = '1.1';
function getCurrentlySelected() {
var _PREFIX = _ARC + '-';
return d3.selectAll(_PREFIX + selected.join(', ' + _PREFIX));
}
Within c3config object and onrendered through initialization:
var chart = c3.generate({
bindto: '#chart',
data: { ... },
onrendered: function() {
setTimeout(function() {
if (selected.length > 0) {
getCurrentlySelected().attr('transform', 'scale(' + _SCALING + ')');
}
}); // Notice we don't need a delay, just taking advantage to force our logic to happen after current callstack is executed
}
});
Also possible to use load with done after initialization:
chart.load({
columns: [
['A', 30, 200, 100, 400, 150, 250],
['B', 130, 100, 140, 200, 150, 50],
['C', 50, 100, 130, 240, 200, 150],
['D', 130, 100, 140, 200, 150, 50],
['E', 130, 150, 200, 300, 200, 100]
],
done: function() {
setTimeout(function() {
if (selected.length > 0) {
getCurrentlySelected().attr('transform', 'scale(' + _SCALING + ')');
}
}) // Notice we don't need a delay, just taking advantage to force our logic to happen after current callstack is executed
}
});

You can use setTimeout() to scale specific slices, once the chart is rendered. Here's one way:
setTimeout( function() {
d3.selectAll('.c3-arc-A, .c3-arc-B, .c3-arc-C').attr("transform", "scale(1.2)");
}, 5);
Place this call after your c3.generate() call.

C3JS bar chart with specific order

If I have a C3JS grouped bar chart defined like the following, how can I get the segments to stay in the order I've defined them instead of in ascending order by value? By default C3 will order them as 5, 10, 40, but I want it to remain as 10, 40, 5.
c3.generate({
bindto: '.active-loads',
data: {
columns: [
['Picking up future', 10],
['Enroute', 40],
['Delivered', 5]
],
type: 'bar',
groups: [
['Picking up future', 'Enroute', 'Delivered']
],
onclick: function(d) {
console.debug(d);
}
},
axis: {
rotated: true,
x: {
show: false
}
}
});
EDIT
Turns out it's as easy as specifying order: null in the data property.

C3js documentation has page for this : http://c3js.org/samples/data_order.html
You can order your data in following way :
var chart = c3.generate({
data: {
columns: [
['data1', 130, 200, 320, 400, 530, 750],
['data2', -130, 10, 130, 200, 150, 250],
['data3', -130, -50, -10, -200, -250, -150]
],
type: 'bar',
groups: [
['data1', 'data2', 'data3']
],
order: 'desc' // stack order by sum of values descendantly.
// order: 'asc' // stack order by sum of values ascendantly.
// order: null // stack order by data definition.
},
grid: {
y: {
lines: [{value:0}]
}
}
});
Also detailed explanation here too : http://c3js.org/reference.html#data-order
You can specify your function too :)