Chart js y axis step size js, customize vertical axis appearance and behavior easily. x how to divide the Y-Axis in an equal number of steps that should not exceed more than the total number of three steps. Aug 21, 2024 · In Chart. The tutorial will cover linear, time, and radial scale in detail. 3k Apr 28, 2025 · In Chart. js! | Create 9 Stunning Charts Using JavaScript! In this Chart. Jul 22, 2024 · Chart. Oct 25, 2023 · I have used scales. In this example, for purpose of chart demonstration only, we do use mock-up data from array. We have added the approaches along with the practical implementation in terms of examples and outputs. So I am using bubble chart and gotta hide the y axis line. I tr May 28, 2021 · I am using Chart. Oct 13, 2025 · Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. scales['y-axis-0']. Data are spread according to the amount of time between data points. Oct 13, 2025 · Open source HTML5 Charts for your websiteLogarithmic Axis The logarithmic scale is used to chart numerical data. y. 12 which makes the plot look kind of ugly due to unevenly spaced gridline. You can see that in the image below Is there a way that I can restrict it to only Jun 25, 2019 · I am trying to insert the custom text inside the bar, I have searched lot of threads still i didn't get any solution. Configuration Options Common options to all cartesian axes Namespace: options. Oct 13, 2025 · To position the axis at the center of the chart area, set the position option to 'center'. 5, 3, 3. Feb 15, 2019 · I need to create a chart showing standard deviations, so the scale of the y-axis should be based on SD value. Js using two different approaches. Oct 31, 2023 · I have data should represent data in a line chart where X-axis represents time in milliseconds. js 3. The left hand Y axis goes from 3800 to 4140, which means if I want exactly 11 tick marks I should step by 34 and I have that set but it actually starts at 3800, ticks once by 8, then continues on ticking by 34 until it reaches 4114, and May 18, 2016 · 18 Thank you guys for helping, I observed that chart. These features include: Multi-line labels Filtering labels Changing the tick color Changing the tick alignment for the X axis Aug 18, 2020 · I'm trying to get horizontal grid lines in my chart with multiple y-axis scales Here is my JSFiddle for what I have According to documentation, I should add stepSize to the scales > yAxis > t Oct 13, 2025 · Tick Configuration This sample shows how to use different tick features to control how tick labels are shown on the X axis. Set y-axis options for your charts with ApexCharts. Stacked area charts can be used to show how one data trend is made up of a number of smaller pieces. We'll build a Chart. Syntax: function resize() { myChart. The solution you propose - to size the canvas in code is less than ideal because chart. We are going to store the names of the frameworks in a frameworks variable and store the Github stars in a stars variable. js line chart should look the step on the x-axis is "2": But my chart. stepsize = 20 scales. ticksAsNumbers you get an array with all ticks. For a continuous axis, set the data column type to one of: number, date, datetime or timeofday. They are used to determine how data maps to a pixel value on the chart. 5, 1, 1. yAxes: [{ angleLines: { display: false } }] Jul 26, 2024 · Chart. This type of chart is often useful when we want to show a comparison data similar to a pie chart, but also show a scale of values for context. 5, 10). js, the x-axis of the stepped line chart are fixed. For accessing the label, use this. And I have set the y-axis max and step size values according to the data by updating the chart options. Jun 14, 2025 · Step-by-step guide Follow this guide to get familiar with all major concepts of Chart. May 7, 2018 · I understand that I probably can do something with giving Y-axis labels manually, but maybe library already contains this logic? I use chart. Apr 5, 2018 · Hey guys, I want to make the y axis ticks be in the step size of the max value (e. You can define the x-axis as a logarithmic cartesian axis as shown in the runnable code snippet below. stepsize and scales. It can be placed on either the x or y-axis. Value can either be an index or a numerical value The coordinate (0, 0) is at the upper-left corner of the canvas Parameters Jan 28, 2023 · If you set the size of the canvas in css, it will be resized each time the chart is drawn, and the second time you lose its height completely. I want to get a dynamic weight and bring a minimum and a maximum. scales[scaleId] Now let’s consider you would like to create a bar or line chart and would like to x-axis and y-axis label showing what they are like this: For that you would need to add scaleLabel key in both Axes as shown below: Oct 13, 2025 · Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. We can change the axis range settings with the ticks. I've tried all the following for options, and n Jul 22, 2024 · In Chart. I have a chart that I want to include in my website using Chart. Common options to all axes (,) linear axis Jun 23, 2022 · What type of charts can you make with Chart. Edit: chartVariable is chart in your specific case. js to draw a simple bar plot and I need to format its Y axis like 123456. 0). This example shows how to build a line chart with the step size on the y-axis set using the stepSize property. however, the labels are decimal values and i want to visualize as integers with step size of 10. js · GitHub chartjs / Chart. Is there any way I can extend the tick of an axis 1 step in each direction, in this case the ticks will be 0,1,2,3,4. We can set and customize the axes of the chart by setting the Y-axis title. Mar 8, 2017 · I work on ChartJS. indexAxis • indexAxis: "x" | "y" The base axis of the chart. js which updates the data with ajax calls. Now, all my hour and minute showing on X axis and I want to just sh Oct 13, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'line', data: data, options: { responsive: true, plugins: { title: { display: true, text: 'Min and Max Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. js, while working on the Y-axis of the Chart, we often need to adjust the minimum and maximum values of the Y-axis to represent the data in proper and accurate values. 87, 1, 2, 3, 3. js: chart types and elements, datasets, customization, plugins, components, and tree-shaking. resize (width, height) method to resize our chart by invoking it using the two parameters as height and the width. js library with ng-charts as a wrapper for the Angular (5. json file with Chart. In this mode, either the axis option must be specified or the axis ID has to start with the letter 'x' or 'y'. However it's rounding up and I'm not sure how to prevent that. Jul 26, 2015 · Chartjs is a pretty excellent open source tool, but had a quick question about a bar chart I'm trying to create. As you can see, the KoolReport's widget in general support dataSource could be DataStore, Process, DataSource or even simple array. Step size should remain fixed, tick labels should change, and the chart should re-render data Aug 21, 2018 · I wrote a simple line chart using charts. js graph. Please choose from the available Oct 13, 2025 · TIP The category axis, which is the default x-axis for line and bar charts, uses the index as internal data format. scales: { xAxes: [{ display: true, ticks: { maxTicksLimit: 7 } }], When i do this, i get the appopriate number of Aug 18, 2020 · Linear Radial Axis Radial axes are used to specify the radar and polar area chart types. So we change the Y-axis values from real numbers to integers in Chart. Aug 28, 2020 · Your problem is not related to ticks. resize () method we can use . Oct 7, 2020 · Here the custom option used to render labels on top, but if the bar is exact size of max Y-axis value the label gets hidden or goes out of chart. The x-axis (horizontal) will be used to plot the Javascript frameworks as labels while the y-axis (cross axis) will be used to plot the number of Github stars each framework has. Default 'x' Inherited from CoreChartOptions. With this you can easily get the stepSize. Oct 13, 2025 · const config = { type: 'line', data: data, options: { responsive: true, plugins: { tooltip: { mode: 'index', intersect: false }, title: { display: true, text: 'Chart Nov 16, 2017 · I created a simple line chart using chart. The minor axis. Jun 8, 2016 · I am using this library to draw charts in my web app. Seven examples of linear and logarithmic axes, axes titles, and styling and coloring axes and grid lines. · Issue #8371 · chartjs/Chart. io/anon/pen/dZVgKw As you can see, the last one is going from 10 to 20 without any number between. Dec 16, 2016 · Maybe a related problem that I am having, in which I'm trying to figure out how to set my own step size on the x-axis with non-numeric labels (on Chart JS 2. js In a new folder, create the package. js tutorial, I’ll show you how to visualize data on the web using JavaScript. 5, 5, 7. You’ll learn how to create 9 different chart types, including bar charts, line charts, pie charts, and more! Jan 31, 2017 · I want to draw a horizontal bar chart with Chart. suggestedMin and ticks. count properties to make fixed stepsize and ticks count as per docs but it didn't work. This becomes complex to view the data. I have two issues How to change the y-axis step size value? As of now, it's talking 20. json file with Oct 13, 2025 · Line charts can be configured into stacked area charts by changing the settings on the y-axis to enable stacking. jQuery( Oct 13, 2025 · Data Structure All the supported data structures can be used with bar charts. js will automatically take value for y-axis based on your data, you can change y/x-axis setting under Options > Scales , I also needed to change step size of y-axis and get rid of x-axis grid line,"ticks" is something I was looking for, here is my sample code and steps to achieved all these. scales[scaleId]. In addition to a reasonable set of built-in chart types, you can use additional community-maintained chart types. g. js? Simple HTML5 Charts using the <canvas> tag. x). For example, if my mean is 50 and my SD is 14, the Y-axis must be: 8, 22, 36, 50, 64, 7 Axes in JavaScript How to adjust axes properties in D3. ticks. Date Adapters The time scale requires both a date library and a corresponding adapter to be present. How can I change the number to integers? Here's a picture of what I Feb 3, 2021 · Linear y-axis step size not adhered to - y-axis not displayed as specified. js. js always distributes the labels equally on the xaxis: Oct 13, 2025 · Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. Const config = { type: If set, the scale ticks will be enumerated by multiple of stepsize, having one tick per increment. These axes are known as 'cartesian axes'. js 2. Don't hesitate to follow the links in the text. d. In the tooltip, I am not getting the string. In addition, booleans are provided to toggle different parts of the X axis grid visibility. Oct 13, 2025 · Grid Configuration This sample shows how to use scriptable grid options for an axis to control styling. This example sets up a chart with a y axis that creates ticks at 0, 0. The Scale Title Configuration allows customization of axis titles, which also includes the options for display, alignment, text, color, and padding. Oct 13, 2025 · Open source HTML5 Charts for your websiteTick Configuration This sample shows how to use different tick features to control how tick labels are shown on the X axis. . js is the JavaScript library to represent the data in visual forms in terms of various charts like Bar, Pies, etc. Feb 15, 2022 · react-chartjs-2: how to fix stepSize on y axis without knowing max range Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 787 times Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. In line, area, bar, column and candlestick charts (and combo charts containing only such series), you can control the type of the major axis: For a discrete axis, set the data column type to string. By the end, you will be able to customize the different scales available in Chart. Open source HTML5 Charts for your websitegetPixelForValue getPixelForValue (value, index?): number Returns the location of the given data point. Apr 30, 2022 · In this tutorial, you'll read about scales in Chart. Oct 13, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'line', data: data, options: { plugins: { title: { text: 'Chart. I required: scales. A linear scale is used to chart numeric data. resize(600, 450); }; Example: The below code example uses the resize () method to set height and width of the chart in chart. js provides a few options to enable responsiveness and control the resize behavior of charts by detecting when the canvas display size changes and update the render size accordingly. How can I set step size Oct 13, 2025 · Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. (Template) I want to have a chart with a minimal stepSize of 1 Oct 13, 2025 · Chart. Is this possible? Oct 13, 2025 · Step-by-step guide Follow this guide to get familiar with all major concepts of Chart. Oct 13, 2025 · Polar Area Chart Polar area charts are similar to pie charts, but each segment has the same angle - the radius of the segment differs depending on the value. When building its ticks, it will automatically calculate the most comfortable unit based on the size of the scale. 5, 4, 4. ts:1609 Chart Js Time Axis How To Set The Scale For X And Y Axis In Chart Js Chart Js Y Axis Step Size Axes are an integral part of a chart. js-based javascript charts. js data visualization with a couple of charts from scratch: Build a new application with Chart. chartjs. I want to adjust X axis by hour. indexAxis Defined in types/index. Syntax: const config = { type: 'bar', data:, options: { scales: { y: { title: { display: true, align: 'center', text: 'Y-Axis Title', color: 'black', font: { family: 'Arial Aug 18, 2020 · Step Size We can change the step size of the linear axis. The issue is that I am having decimal points in my y-axis. js, customizing the y-axis to skip decimal points can enhance the readability of charts by simplifying numerical labels. In this article, we will see two different approaches for adjusting the min and max values for the Y-axis in Chart. In a cartesian chart, there is 1 or more X-axis and 1 or more Y-axis to map points onto the 2-dimensional canvas. stepSize, this option simply controls how to create the ticks but doesn't change the size of the bars. Can anyone explain to me why the code below produces this graph? graph I'm specifically writing: max: 12, min: 0, Here an example of excel how I expect my chart. js with ease. json file with Feb 26, 2022 · I am using apexcharts. js but it keeps scaling the chart instead of using the height I assign the canvas form the script. It could be misleading having the same option for tic Oct 13, 2025 · Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. js - Setting max Y axis value and keeping steps correct Asked 8 years, 4 months ago Modified 6 years, 8 months ago Viewed 25k times Jul 10, 2024 · Both axes of bubble charts. I am using the below code on my page. js Labeling Axes is used to describe the information in a chart. Oct 13, 2025 · Chart. How can i do this with chart. JS, when the dataset consists of real numbers then the Y-axis scaling also consists of real numbers. Jul 3, 2017 · Chart. js is computing a reasonable step size from the data, I should be able to just ask it to recompute a step size from the custom min/max value, instead of having to implement a similar algorithm to what the code is already doing. json file with Sep 7, 2016 · I would think that since charts. Linear interpolation is used to determine where value lies in relation to the center of the axis. I am using line chart from http://www. js Oct 13, 2025 · Open source HTML5 Charts for your websiteCommon tick options to all cartesian axes Namespace: options. 5, 5. org/ As you can see max value (130) and min value (60) for Y axis are chosen automatically , I want max value = 500 and min value=0. This is so chart. 文档 折线 数据结构（labels） 坐标轴标尺 所有轴（min， max）的通用选项 线性轴 线性轴特定刻度选项 (stepSize) 一步的大小 Time Cartesian Axis The time scale is used to display times and dates. if the max value is 10, the ticks are 0, 2. js Tutorial With Examples Master Data Visualization with Chart. 0 version to draw graphs, i want to define minimum step size in bar graph. js draws the plot at its own devised size and then you just scale the resulted image to your desired size, which may look OK in your specific case, but in most cases Jun 29, 2021 · After I extend the axis, the ticks are something like this 0. As the name suggests, logarithmic interpolation is used to determine where a value lies on the axis. I've tried the following but it doesn't work. Stacked bar charts can be used to show how one data series is made up of a number of smaller pieces. This can be particularly useful for charts where whole numbers are more relevant or when dealing with datasets where decimal precision is unnecessary. js needs a dedicated container for each canvas and this styling should be applied there. In this case, the Y axis grid lines are colored based on their value. Given this chart data: var chartData = { labels : labels, datas Oct 13, 2025 · Line charts can be configured into stacked area charts by changing the settings on the y-axis to enable stacking. 05 to 123 456,05 $ I don't understand how to use scaleLabel : "<%=value Oct 5, 2019 · We are going to represent the data in a bar chart. js Public Notifications Fork 11. Chart. js to draw graphs in typescript. Oct 13, 2025 · Step-by-step guide Follow this guide to get familiar with all major concepts of Chart. And with maxTicksLimit as 5, I want to keep 5 Ticks no matter what data comes in. Configuration Options Namespace: options Jun 22, 2020 · I'm trying to specify maximum, minimum and step size values for my Chart. Sep 22, 2019 · How can I change the y axis step size? Asked 6 years, 1 month ago Modified 6 years, 1 month ago Viewed 8k times Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. for example, I want to displays when x is less than 2, y is 10, x is between 2 and 10, y is 20, x is larger than 10, y is 5. 7k Star 59. js Time Scale', display: true Nov 26, 2020 · Using chart. So according to the documentation, I used the stepSize parameter for the chart to only show integer values on the y-axis. js knows what kind of axis (horizontal or vertical) it is. API: getLabelForValue In the following example, every label of the Y-axis would be displayed with a dollar sign at the front. suggestedMax properties. In the Y-axis, it gives me real numbers instead of integers. js development by creating an account on GitHub. js - v4. May 13, 2016 · I have read the guidelines for contributing I have included an example of my issue on a website such as JS Bin, JS Fiddle, or Codepen. Contribute to chartjs/Chart. JS? With chart js you can make line chart, bar chart, pie chart, doughnut chart, scatter chart, polar area chart, radar chart, gauge chart and area chart. This provides better information about the vertical axis of the Chart. Mar 29, 2019 · Y-axis shows 11 tick labels, showing initial weight at index 5, and ticks above showing initial weight - weight span in 5 even steps, and ticks above showing initial weight + weight span in 5 even steps. These features include: Multi-line labels Filtering labels Changing the tick color Changing the tick alignment for the X axis Apr 5, 2021 · 1 In chart. Oct 13, 2025 · Axes Axes are an integral part of a chart. For Oct 13, 2025 · Axes Axes are an integral part of a chart. Stacked Bar Chart Bar charts can be configured into stacked bar charts by changing the settings on the X and Y axes to enable stacking. This example sets up a chart with a y-axis that creates ticks at 0, 0. 5. If you are looking to create a standard chart, chances are you want to use a linear or time axis. I am using chart. if you want to change that you can do Step Size If set, the scale ticks will be enumerated by multiple of stepSize, having one tick per increment. Below are the possible approaches. Then i want to reduce the step size in y axis. ticks Sep 5, 2022 · Feature Proposal As reportedin SO - ChartJs, stepSize doesn't working for type 'day', the stepSize option must be defined in time options node. js with 3 Y axes: https://codepen. getLabelForValue(value). js provides a set of frequently used chart types, plugins, and customization options. 'x' for vertical charts and 'y' for horizontal charts. We need to store the data in arrays. 5, 2, 2. The problem is that, when having "big" values (70 for example), the chart displays a lot of horizontal gridlines: Oct 13, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'line', data: data, options: { responsive: true, plugins: { title: { display: true, text: 'Chart. Example chart, I have set the step size which will divide t There are several types of chart axes: Linear, Logarithmic, Time, Categorical, and Radial. Oct 13, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'line', data: data, options: { responsive: true, interaction: { intersect: false, axis: 'x' }, plugins Oct 13, 2025 · const config = { type: 'line', data: data, options: { responsive: true, plugins: { title: { display: true, text: 'Suggested Min and Max Settings' } }, scales: { y What type of charts can you make with Chart. Oct 13, 2025 · Follow this guide to get familiar with all major concepts of Chart. Aug 11, 2022 · The right hand Y axis seems to honor everything as expected but the left hand axis wont honor the stepSize. Jan 20, 2017 · Also, the step size won't work for the bottom because the default x axis is a 'category' axis that doesn't interpolate numerically. Oct 5, 2017 · I have a chart that has no point on having a step size of numbers that are not integers. If not set, the ticks are labeled automatically using the nice numbers algorithm. I have some values which are saving according to hour and date from database. Sep 30, 2019 · I don't know if you can get the number of the stepSize directly, but with chartVariable. Is there any way to get the label outside of chart or increase Y-axis value? Jul 23, 2025 · Output: Outpu2 Appraoch 3: Using . Feb 5, 2018 · So i have a line chart in Chartjs, my X axis looks like this. 1 Enumerations DecimationAlgorithm UpdateModeEnum Classes Animation Animations Animator ArcElement BasePlatform BasicPlatform Chart DatasetController DomPlatform PointElement Scale Interfaces ActiveDataPoint ActiveElement AnimationEvent ArcBorderRadius ArcHoverOptions ArcOptions ArcProps BackdropOptions BarControllerChartOptions I'm using Chart. I have attached my code. Is there any way to set the height of the graph f Apr 14, 2021 · x 座標の間隔を調整したいのですが stepSize オプションが y 軸にしかききません callback メソッドで表示は変えられるみたいなのですが 横軸が 100 とかになると勝手に 3 ずつとかステップされるので その倍数以外の 5 ずつとか 10 ずつとかに変更することができません 方法はないでしょうか <script Apr 13, 2021 · I'm trying to create a simple line chart with react-chartjs-2, and when I try to set the min/max values for the x- and y-axes, the values won't take. doiwx iar dckbwvt dvovpyj udkw gjxpd bxxcs feili ffvali buam ufzjs utjm zyst nhl axpkr