I've mentioned the problem where the chart's line and digits are blurred. I just noticed this new problem: [Screenshot%20from%202019-08-16%2018-40-39] The lower values not shown on the chart.

which lower values ? By default the chart auto scales min and max.

Well, I just looked at it quickly. The machine had rebooted recently to the graph view. For me, the black line should be connected at the 45.5 line if that is the lower value. To me it looks like all I am seeing is the top parts of the spikes. Yeah, it won't be the first time I am wrong. I jus…

@Trying_to_learn - If you open up the chart config, is there an entry in the Y-axis Min box?

Indeed chart.js has an algorithm to auto-fit (or auto-scale) the chart that can bring issues. See for instance these two charts that use the very same data source. [a-01] [a-02] See how bad this can be. If you look at the first chart, without reading the values in the y axis, you would be led t…

[image] Paul-Reed: If you open up the chart config, is there an entry in the Y-axis Min box? Checked. No.

Thanks Andrei. I am not really losing sleep over it, I just saw it and wanted to check. If the problem is know, then so be it. The code you posted looks nice, but I have not played with that sort of stuff. Though it may be good for me in the longer run, just now I am really consumed with gettin…

Node-RED

Node-RED Forum

The `chart` node - is this part of the known bug or a new one?

Dashboard

hotNipi 16 August 2019 09:24 5

It is known issue. Discussed here Chart - line not displayed if same value as x-axis

Topic		Replies	Views
Chart - line not displayed if same value as x-axis Dashboard	15	1691	17 June 2019
Min and max propriety of charts Dashboard	2	367	21 February 2022
Dashboard chart customisation bug? Dashboard	10	910	26 January 2021
How to reduce Y references and fill up X data? Dashboard node-red-dashboard	19	618	3 April 2022
First impressions of dashboard 2 charts v1.27.0 Dashboard dashboard-2	45	630	15 October 2025

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

The `chart` node - is this part of the known bug or a new one?

Related topics