Changing graph colours to improve readability
Hi,
I sent this to the list last week but I'm 99% sure it bounced. Apologies if anyone has already seen it.
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I'm just wondering, has anyone dabbled with getting rrdtool to use more contrasting colours for composite graphs? We have some graphs, such as peering graphs, that are made up of 15+ components, and each component is currently a nearly identical shade of green or purple, which means that even with the legend enabled it is very difficult to see which component is which.
I'm imagining that instead of using shades of green, you could use a rainbow of very distinctly different colours and readability would improve.
I'm interested to hear whether anyone has tried to do this before, or if it's a non-starter for some reason.
Thanks,
Chris
Hi Chris,
I’m not sure which graph you’re talking about, but the graphs that show multiple types of ports on the same graph are sort of designed like this on purpose.
We don’t really have a user-definable way of changing graph colours, but some individual graph types could perhaps be extended to have switchable colour modes. It just depends upon the graph type, and how it’s currently written.
Adam.
From: observium observium-bounces@observium.org On Behalf Of Chris Tomkins via observium Sent: 07 October 2019 11:42 To: Observium observium@observium.org Cc: Chris Tomkins christ@brandwatch.com Subject: [Observium] Changing graph colours to improve readability
Hi,
I sent this to the list last week but I'm 99% sure it bounced. Apologies if anyone has already seen it.
----
I'm just wondering, has anyone dabbled with getting rrdtool to use more contrasting colours for composite graphs? We have some graphs, such as peering graphs, that are made up of 15+ components, and each component is currently a nearly identical shade of green or purple, which means that even with the legend enabled it is very difficult to see which component is which.
I'm imagining that instead of using shades of green, you could use a rainbow of very distinctly different colours and readability would improve.
I'm interested to hear whether anyone has tried to do this before, or if it's a non-starter for some reason.
Thanks,
Chris
Hi Adam,
Thanks for replying. In the attached example, which is a stacked view of our various peering connections, the shades of green make it non-obvious at a glance which of the transit links is being used, and I find that we often end up referring to the individual graphs to figure it out.
My very amateurishly recoloured attached image shows what I mean. Okay, it's not pretty, but I think it's more easy to quickly identify links.
Thanks for all your efforts!
Chris
On Wed, 9 Oct 2019 at 18:51, adama--- via observium observium@observium.org wrote:
Hi Chris,
I’m not sure which graph you’re talking about, but the graphs that show multiple types of ports on the same graph are sort of designed like this on purpose.
We don’t really have a user-definable way of changing graph colours, but some individual graph types could perhaps be extended to have switchable colour modes. It just depends upon the graph type, and how it’s currently written.
Adam.
*From:* observium observium-bounces@observium.org *On Behalf Of *Chris Tomkins via observium *Sent:* 07 October 2019 11:42 *To:* Observium observium@observium.org *Cc:* Chris Tomkins christ@brandwatch.com *Subject:* [Observium] Changing graph colours to improve readability
Hi,
I sent this to the list last week but I'm 99% sure it bounced. Apologies if anyone has already seen it.
I'm just wondering, has anyone dabbled with getting rrdtool to use more contrasting colours for composite graphs? We have some graphs, such as peering graphs, that are made up of 15+ components, and each component is currently a nearly identical shade of green or purple, which means that even with the legend enabled it is very difficult to see which component is which.
I'm imagining that instead of using shades of green, you could use a rainbow of very distinctly different colours and readability would improve.
I'm interested to hear whether anyone has tried to do this before, or if it's a non-starter for some reason.
Thanks,
Chris
--
*Chris Tomkins * | Senior Network Engineer (Linux/Network)
christ@brandwatch.com
Office: +44 (0)1273 448 949
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