Bar graph width in Chart.js is displayed horizontally

Check out the bar chart image here:

https://i.sstatic.net/RLeZp.png

This particular graph was created using the code snippet provided below:

    var myChart = new Chart(ctx, {
    type: 'horizontalBar',
    data: {
        labels: labels,
        datasets: [{
            label: '# of Votes',
            data: data,
            backgroundColor: [
                'rgba(255, 99, 132, 0.2)',
                'rgba(54, 162, 235, 0.2)',
                'rgba(255, 206, 86, 0.2)',
                'rgba(75, 192, 192, 0.2)',
                'rgba(153, 102, 255, 0.2)',
                'rgba(255, 159, 64, 0.2)'
            ],
            borderColor: [
                'rgba(255,99,132,1)',
                'rgba(54, 162, 235, 1)',
                'rgba(255, 206, 86, 1)',
                'rgba(75, 192, 192, 1)',
                'rgba(153, 102, 255, 1)',
                'rgba(255, 159, 64, 1)'
            ]
        }]
    },
    options: {
        responsive: true,
        scales: {
            yAxes: [{
                borderWidth: 40,
                ticks: {
                    beginAtZero:true
                }
            }]
        }
    }
});

Upon inspection, the bar width appears to be on the narrower end.

Here's the question at hand - what method can be used to enlarge the width of each bar in the chart?

javascriptbar-chartchart.js

Answer №1

Although not an official solution, this workaround proved effective for me. I followed the advice provided in this reference, https://github.com/chartjs/Chart.js/issues/2787

My approach involves storing data in multiple arrays, calculating the number of objects, multiplying by a specific factor, and then setting the height of the container surrounding the chart.

<div class="chart-wrapper horizontalBar" style="position: relative; height: 50vh;">
    <canvas id="chart-location"></canvas>
</div>

Subsequently, once the chart is rendered, I adjust the height based on the number of labels in the array.

$( ".horizontalBar" ).height(location_labels.length * 30);

Answer №2

To adjust the canvas height, you just need to increase it. Here's an example:

<canvas id="horizontalbar" height="1000px"></canvas>

Answer №4

To fix the issue, simply include the height attribute within the canvas element. This resolved the problem for me.

<canvas id="Chart" height="50">

Answer №5

Give this a shot

This method should do the trick for the majority of versions

import {Graph} from "graph.js"

Graph.defaults.graphs.line.lineThickness = 50;

//experiment with linePercentage, maxLineThickness

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