Tanks Tobi I'll review it.
Francisco Perea Electrical engineer, MSc. 2011/10/19 Tobias Oetiker <[email protected]> > Hi Francisco, > > Today Francisco Abel Perea Mora wrote: > > > Maybe is easier to use a diferent software for display the data and keep > the > > rest of RDDTool software as is. > > I'll try to see wich is the best option. > > one option might be to use rrdtool xport to pull the required data > out, process it and then use some web charting tool like > http://mbostock.github.com/d3/ > > to draw the chat you need ... > > cheers > tobi > > > > > > > Thanks for your time > > > > Best Regards > > > > Francisco Perea > > Electrical engineer, MSc. > > > > keep in control how many energy a proccess consum > > > > 2011/10/17 <[email protected]> > > > > > > > > Hi Francesco, > > > > > > > > > If you are dealing with efficiency, you probably need to visualize its > > > values in time > > > moments of T = {t1, t2, ..., tn} in different levels of aggregations. > > > > > > Say that you have one time series of the production P(ti) and another > time > > > series of > > > the consumption C(ti). You can calculate the efficiency time series as > > > E(ti) = F(P(ti), > > > C(ti)), where i = (1, 2, ..., n). Here F(P(ti), C(ti)) can be for > example > > > P(ti) / C(ti) or any > > > other reasonable function of the production and consumption. > > > > > > If you can measure P(ti) and C(ti) in equidistant time moments (i.e. > their > > > periods of > > > t(i) - t(i-1) are constant), you can generate nice graphs of > development of > > > Efficiency > > > (which you are interesting in) in time. > > > > > > Together with graphing P(ti) and C(ti), such graphs could tell your > > > technology guys > > > much about dependence of their efficiency on the production, > consumption > > > and even > > > help them disclosing energy loss in the grid including illegal > consumption > > > etc. > > > > > > Isn't it what you would like? > > > > > > > > > Regards, > > > Leos > > > > > > > From: [email protected] > > > > [mailto:[email protected]] > On > > > > Behalf Of Francisco Abel Perea Mora > > > > Sent: Tuesday, 18 October 2011 11:59 a.m. > > > > To: [email protected] > > > > Subject: [rrd-users] Changing X-Axis > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > > > After searching for hours how to setup X-Axis I still have a question > > > > > > > > I'm working with energy efficency. We take measures from energy > > > consumption > > > > and production at the same time. As an example say: > > > > > > > > Month Energy Production > > > > > > > > [KWh] [Ton] > > > > > > > > march-98 138480 2161680 > > > > > > > > april-98 122880 2103370 > > > > > > > > may-98 155280 2401320 > > > > > > > > jun-98 157920 2537565 > > > > > > > > jul-98 159600 2303359 > > > > > > > > aug-98 177600 2811775 > > > > > > > > > > > > > > > > An so on. The interesting graph in this time series is Energy vs. > > > > Production. Is possible to graph this with RRDTool? By default X-Axis > is > > > > always fixed to time series, but I need to change that to Production > and > > > > setup Y-Axis to Energy. How could I do this? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland > http://it.oetiker.ch [email protected] ++41 62 775 9902 / sb: -9900 >
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