[rrd-users] Value under the cursor

[Srinivasa T N]

You are correct, I am not using rrdtool directly.  I am using
nagios/nagiosgraph which internally uses rrdtool.

Regards,
Seenu.

On Thu, Dec 11, 2014 at 4:49 PM, Johan Elmerfjord <jelmerfj at adobe.com>
wrote:

>  Hi again,
>
> This is not something I have succeeded with - so you are probably already
> rendering them in your client/browser.
> If this is the case - I don't expect that it would take much effort to
> display the value as well.
>
> But I assume that you are not using rrdtool directly to get your graphs
> today.
> What tool are you using? Is it a monitoring-tool that uses rrd for it's
> storage?
>
> /Johan
>
>
> On Thu, 2014-12-11 at 16:35 +0530, Srinivasa T N wrote:
>
> Right now the graph displays the time under the mouse pointer, so I
> thought the value functionality was available.  Anyway, thanks for the info.
>
>
>  Regards,
>
>  Seenu.
>
>
>  On Thu, Dec 11, 2014 at 3:50 PM, Johan Elmerfjord <jelmerfj at adobe.com>
> wrote:
>
>  Hi Seenu,
>
> I would say - No, at least not out of the box.
> rrdtool can create images of different formats, but as long as they are
> static images - nothing will happen when you hover over them.
>
> If you instead use some of the data exports (sending datapoints to the
> browser) - and render the graph in the browser using some library
> (JavaScript, Flash, Java, HTML5?),
> then you will get the functionality that you are referring to, and can add
> zoom and other things..
>
> I don't know if anyone on this list has a functionality like that working
> already - or know a framework that supports RRD already - but I'm
> interesting in finding out.
>
> For a while back I started looking into a layer over RRD so I could get a
> standardized interface to the data - no matter if it was stored in RRD or
> some of it "competitors".
> But that work never really started - unfortunately, but it would still be
> nice to know if anyone knows of one.
>
> /Johan
>
>
>
>
>
> On Thu, 2014-12-11 at 15:34 +0530, Srinivasa T N wrote:
>
> Hi All,
>
>    I am using rrdtool 1.4.8 on centos 7 and using it to graph the output
> obtained using nagios/nagiosgraph.  Now my question, is there a way to
> display the value under the cursor when mouse is hovered above the graph?
>
>
> (I googled it but could not get the right info, so thought of asking here).
>
>
> Regards,
>
> Seenu.
>
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>
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