Chart Js Responsive Height And Width

Chart Js Responsive Height And Width. By default (when null) the height is calculated from the offset height of the containing element, or 400 pixels if the. When it comes to changing the chart size based on the window size, a major limitation is that the canvas render size ( canvas.width and.height) can not be expressed with relative values, contrary to the display size ( canvas.style.width and.height ).

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Width:80vw >< canvas id = chart > When it comes to changing the chart size based on the window size, a major limitation is that the canvas render size ( canvas.width and.height) can not be expressed with relative values, contrary to the display size ( canvas.style.width and.height ). So maybe i'm doing something wrong but as far as i can gather, the responsive feature in the latest version doesn't allow you to use fixed height charts whilst utilizing the responsive width feature.

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Specify responsive:true, property under options. Width:80vw > < canvas id = chart > </canvas>

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Here is the code i used to make fully responsive charts that will fill the height and width of the window, regardless of screen resolution. { beginatzero:true } }] } }

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Spend enough time with d3, and you start to realize that scales are everything. An explicit height for the chart.

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This is because chart.js will adapt the height of the chart depending on the width since the maintainaspectratio option is set to true by default. So maybe i'm doing something wrong but as far as i can gather, the responsive feature in the latest version doesn't allow you to use fixed height charts whilst utilizing the responsive width feature.

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Cartesiangrid adds a grid in the background.xaxis and yaxis adds the x and y axes respectively. Furthermore, these sizes are independent from each other and thus the canvas.

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Reset scales when the window resizes. To test, if you are on desktop right now, resize the screen to see how this horizontal bar chart changes.

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256px > < / canvas > As from docs for chart.js it's recommended to wrap canvas into container div and change width/height of the container.

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When it comes to changing the chart size based on the window size, a major limitation is that the canvas render size ( canvas.width and.height) can not be expressed with relative values, contrary to the display size ( canvas.style.width and.height ). Cartesiangrid adds a grid in the background.xaxis and yaxis adds the x and y axes respectively.

Found A More Flexible Custom Solution From Lannymcnie That Can Be Used For Any Canvas Responsiveness:

It's almost as if there was a top margin reserved for something that isn't there. When you don’t set the width/height, canvasjs automatically takes the size of its container and hence works well with responsive websites where container’s size might change depending on the device from which it is being used. Reset scales when the window resizes.

I Wanted To Make A Container Of 100% Width And 400Px Height Although Of Course Chart.js Responsive Height Overrides Anyway I Add.

Width:80vw >< canvas id = chart > An explicit height for the chart. 256px >< / canvas >

Style Width And Height Are Now Used To Initialize The Canvas Size If Width And Height Attributes Are Not Specified, So This Should Work:

Throughout my code, i can use width without further adjustment. I'm using mike bostock's margin conventions; However, this method requires the container to be relatively positioned and dedicated to the chart canvas only.

However, This Method Requires The Container To Be Relatively Positioned And Dedicated To The Chart Canvas Only.

I currently have a stackoverflow post on this and have recreated the issue in codesandbox , but i have yet to solve this issue. By default (when null) the height is calculated from the offset height of the containing element, or 400 pixels if the. For non responsive charts, some work has been done in #3356:

Furthermore, These Sizes Are Independent From Each Other And Thus The Canvas.

When it comes to changing the chart size based on the window size, a major limitation is that the canvas render size ( canvas.width and.height) can not be expressed with relative values, contrary to the display size ( canvas.style.width and.height ). True the chart will fill the width of the parent container whatever the initial width/height value.if the canvas style defines width: Responsiveness can then be achieved by setting relative values for the container size :