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.net Powerful JavaScript charts
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RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 17 years old) and has a wealth of features making it an ideal choice to use for showing charts on your website.

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Get the latest version of RGraph (version 6.20, 1st December 2024) from the download page. You can read the changelog here. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£129) commercial license available.

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How can I change the position of the line on a mixed line & bar chart?


Posted by Martin at 18:22 on Tuesday 29th October 2024 [link]
Hi - I'm generating a graph showing state of charge (SoC)and charge points on a solar battery system.
The charge points (half hour slots) are correctly timed but the accompanying line is offset to the middle of each slot.
Is there any way to shift the line half a period to the left so that it matches the charge slot?
I'm using version 6.1.7
Attached image:
Attached image

Posted by Richard at 20:52 on Tuesday 29th October 2024 [link]
You can mess with the margins of the Line chart and reduce the left margin and increase the right margin.

If you're using the CombinedChart class you should do this after the call to the draw function. Like this example shows:

https://codepen.io/rgraph/full/qBeoKJX

Is this what you meant?

Posted by Martin at 15:23 on Wednesday 30th October 2024 [link]
perfect - thanks for the prompt reply...

[Replies are closed]